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In the sports industry, odor control for clothing and equipment is crucial. In particular, clothing that easily absorbs sweat and sebum, as well as shoes used after workouts, need to prevent the growth of bacteria that cause odors. Photocatalytic technology can decompose odor-causing substances and maintain a clean state. Titanister has high photocatalytic activity and contributes to odor prevention measures in sports scenes by breaking down substances that cause odors. 【Usage Scenarios】 - Sportswear - Shoes - Lockers - Bags 【Benefits of Implementation】 - Reduction of odors - Antibacterial effects - Improved cleanliness

The demand for air purification in residential settings is increasing alongside the growing health consciousness. In particular, addressing factors that degrade indoor air quality, such as pollen, PM2.5, and household odors, is essential. Photocatalytic technology is gaining attention as an effective means to solve these issues. Our titanium dioxide photocatalyst material, "Titanistar," purifies indoor air with its high photocatalytic activity, providing a comfortable living environment. 【Usage Scenarios】 - Air purification within homes - Filters for exhaust fans and air purifiers - Use in interior materials 【Benefits of Implementation】 - Decomposition of harmful substances in indoor air - Realization of a comfortable living space - Support for a healthy lifestyle

In the apparel industry, antibacterial and deodorizing measures are important to enhance product quality and customer comfort. In particular, clothing is prone to accumulating sweat and sebum, which can lead to bacteria and odors. These issues not only diminish the value of the products but can also lower customer satisfaction. The titanium dioxide photocatalyst material "Titanistar" breaks down bacteria and odors using the power of photocatalysis, keeping clothing clean. 【Usage Scenarios】 - Textile products such as clothing, bedding, and towels - Store interiors and fixtures - Transport containers 【Benefits of Implementation】 - Increased product value due to antibacterial and deodorizing effects - Enhanced reliability from customers - Long-term maintenance of product quality

In the medical industry, thorough antibacterial measures are required to reduce the risk of hospital-acquired infections. In particular, high antibacterial performance and sustained effectiveness are important in areas and instruments that patients and healthcare workers are likely to touch. Inadequate antibacterial measures can lead to the spread of infections. Photocatalytic titanium surfaces, created with titanium dioxide photocatalytic films on pure titanium surfaces, are effective against common bacteria and various viruses. This improves the hygienic environment in medical settings and reduces infection risks. 【Usage Scenarios】 - Operating rooms - Examination rooms - Waiting rooms - Medical instruments 【Benefits of Implementation】 - Reduced risk of hospital-acquired infections - Maintenance of a clean environment - Increased sense of security for patients and healthcare workers

In the food industry, maintaining the freshness of products is a crucial issue that affects quality and customer satisfaction. In particular, temperature changes, humidity, and oxygen in the air can lead to the oxidation and spoilage of food, potentially degrading its quality. Photocatalytic titanium oxide has the potential to preserve the freshness of food and suppress quality deterioration through its air purification effects. 【Application Scenarios】 - Food storage facilities - Transportation containers - Food processing facilities 【Benefits of Implementation】 - Preservation of food freshness - Suppression of quality deterioration - Reduction of unpleasant odors

In the airline industry, ensuring the health and comfort of passengers is crucial. In particular, the cabin is a closed space where issues such as airborne viruses, bacteria, and odors can arise. Effective air purification and antibacterial measures are required to address these challenges. Photocatalytic titanium stars help improve the hygiene environment in the cabin by decomposing harmful substances in the air through a titanium dioxide photocatalytic film generated on a pure titanium surface. 【Usage Scenarios】 - Air purification in the cabin - Antibacterial measures for cabin facilities - Odor control in restrooms 【Benefits of Implementation】 - Improvement of the cabin environment - Enhanced passenger comfort - Reduction of infection risk

In residential interiors, indoor air quality significantly affects health and comfort. In particular, measures against harmful substances such as VOCs (volatile organic compounds), which can cause sick house syndrome, as well as mold, bacteria, and viruses, are crucial. The photocatalytic Titanistar was developed to address these issues. The titanium dioxide photocatalytic film formed on the pure titanium surface decomposes harmful substances in the air and purifies the indoor air. 【Usage Scenarios】 - Wall materials - Ceiling materials - Interior building materials 【Effects of Implementation】 - Indoor air purification - Decomposition of VOCs - Measures against mold, bacteria, and viruses Yield Co., Ltd. manufactures and sells chemical industrial products. Please feel free to contact us with any inquiries regarding the titanium oxide photocatalytic material "Titanistar."

In the field of agriculture that involves greenhouse cultivation, it is important to optimize the growing environment for crops. In particular, the removal of molds, bacteria, and harmful substances in the air, which can cause diseases, greatly affects yield and quality. The photocatalytic material "Titanister(R)" purifies the air inside the greenhouse and supports the healthy growth of crops. The photocatalytic coating decomposes harmful substances in the air and reduces the risk of diseases. 【Usage Scenarios】 - Air purification inside the greenhouse - Reduction of disease risk 【Effects of Implementation】 - Improvement of the growing environment for crops - Increase in yield and quality - Reduction in pesticide usage

In the construction industry, there is a demand for maintaining the aesthetic appeal of buildings and reducing maintenance costs. Particularly in outdoor-facing areas such as exterior walls and roofs, the accumulation of dirt and deterioration pose significant challenges. The photocatalytic material "Titanistar(R)" demonstrates excellent anti-soiling effects and contributes to solving these issues. 【Usage Scenarios】 - Exterior walls - Roofs - Interior design 【Benefits of Implementation】 - Maintenance of the building's aesthetic appeal - Reduction of maintenance costs - Long-term increase in asset value

In medical institutions, thorough disinfection measures are required to reduce the risk of hospital-acquired infections. It is particularly important to prevent the proliferation of bacteria and viruses in areas frequently touched by patients and healthcare workers, as well as in places where air tends to stagnate. Inadequate disinfection measures can lead to the spread of infections and decrease the quality of medical services. The photocatalytic material "Titanistar(R)" demonstrates excellent deodorizing, antibacterial, and anti-soiling effects, helping to improve the hygienic environment within hospitals. 【Usage Scenarios】 - Operating rooms - Examination rooms - Waiting rooms - Patient rooms - Restrooms 【Effects of Implementation】 - Reduces the risk of hospital-acquired infections - Provides a clean environment - Protects the health of patients and healthcare workers - Reduces odors

In the food industry, it is important to maintain the freshness of products and ensure quality. In particular, temperature changes, humidity, and bacterial growth are factors that accelerate food deterioration. Freshness preservation measures are essential to reduce food waste and enhance customer satisfaction. The photocatalytic material "Titanistar(R)" contributes to maintaining the freshness of food. 【Usage Scenarios】 - Food storage facilities - Transport containers - Food packaging materials 【Effects of Implementation】 - Suppression of food spoilage and discoloration - Extension of food shelf life - Maintenance of food quality - Reduction of food waste

The need for air purification in residential settings is crucial for seeking a healthy living environment. It is essential to effectively remove harmful substances and odors from indoor air, providing a clean and comfortable space. The photocatalytic material "Titanistar(R)" demonstrates excellent deodorizing, antibacterial, and anti-soiling effects, purifying indoor air and addressing these needs. 【Usage Scenarios】 - Air purification within the home - Filters for ventilation ducts and air purifiers - Use in interior materials 【Benefits of Implementation】 - Improvement of indoor air quality - Reduction of allergies and respiratory issues - Creation of a comfortable living space

In an office environment, virus prevention is crucial to protect the health and safety of employees. Particularly in places where many people gather, airborne viruses and bacteria can increase the risk of infection. The photocatalytic material "Titanistar(R)" demonstrates excellent antiviral effects and helps improve the hygienic environment of office spaces. 【Usage Scenarios】 - Air purification within the office - Virus prevention in meeting rooms and break areas - Antibacterial measures at reception and entrances 【Benefits of Implementation】 - Decomposes airborne viruses and bacteria, reducing infection risk - Achieves a clean and comfortable office environment - Protects the health and safety of employees, contributing to increased productivity

In transportation systems, odors can occur in various places such as inside vehicles and within station premises, which can compromise user comfort. Particularly in enclosed spaces, odors tend to linger, necessitating improvements in air quality. The photocatalytic material "Titanistar(R)" demonstrates excellent deodorizing effects and contributes to creating a comfortable environment. 【Usage Scenarios】 - Inside vehicles - Within station premises - Inside buses - Inside taxis 【Benefits of Implementation】 - Enhanced comfort due to deodorizing effects - Improved air quality - Increased user satisfaction

In the agricultural sector, crop diseases are a significant issue that greatly affects yield and quality. The occurrence of diseases can lead to increased pesticide use, which may heighten the environmental burden. The photocatalytic material "Titanistar(R)" contributes to the suppression of bacteria and viruses that cause diseases, thanks to its excellent deodorizing, antibacterial, and anti-soiling effects. This helps reduce pesticide usage and supports sustainable agriculture. 【Application Scenarios】 - Disease control in greenhouse cultivation - Suppression of mold and bacteria in crop storage areas - Disinfection and antibacterial treatment of agricultural tools 【Effects of Implementation】 - Reduction of disease risk - Decrease in pesticide usage - Improvement in crop quality

In the aquaculture industry, the management of water quality in fish ponds and tanks significantly affects the health and growth of seafood, and consequently, the yield. In particular, the accumulation of organic matter and harmful substances in the water can lead to the occurrence of fish diseases and hinder growth, potentially resulting in a decline in the quality of aquatic products. The photocatalytic material "Titanistar®" contributes to water purification and supports the healthy development of seafood. 【Application Scenarios】 - Water purification in fish ponds - Water purification in tanks - Wastewater treatment in fishing ports 【Effects of Implementation】 - Maintenance of seafood health through water purification - Promotion of growth by reducing harmful substances - Improvement of the quality of aquatic products

In sports facilities, there are environments such as changing rooms and shower rooms that are humid and prone to mold growth. Mold not only detracts from the aesthetic appeal of the facility but can also negatively impact the health of users. The photocatalytic material "Titanistar(R)" suppresses mold growth and maintains the hygienic environment of the facility due to its excellent antibacterial and anti-soiling effects. It also has high surface hydrophilicity, making it suitable for outdoor use. 【Usage Scenarios】 - Changing rooms - Shower rooms - Locker rooms - Training rooms 【Benefits of Implementation】 - Suppresses mold growth and improves the hygienic environment of the facility - Maintains the aesthetic appeal of the facility - Protects the health of users - Reduces maintenance costs

In medical institutions, thorough disinfection measures are required to reduce the risk of hospital-acquired infections. In particular, disinfecting areas and instruments that patients and healthcare workers may touch is extremely important for preventing the spread of infections. If appropriate disinfection measures are not implemented, hospital-acquired infections may occur, threatening patient health and potentially undermining the trust in medical institutions. The titanium photocatalyst material "Titanistar(R)" contributes to disinfection measures that reduce the risk of hospital-acquired infections due to its photocatalytic oxidative decomposition ability and hydrophilicity. 【Usage Scenarios】 - Operating rooms - Examination rooms - Waiting rooms - Medical instruments - Alternative to hand sanitizer alcohol 【Benefits of Implementation】 - Reduction of hospital-acquired infection risk due to high disinfection effectiveness - Sustained effects from photocatalysis - Use of highly safe materials - Reduced burden of cleaning and maintenance

In the food industry, maintaining product quality and extending expiration dates are important challenges. In particular, food spoilage and deterioration can lead to decreased customer satisfaction and increased waste. The titanium photocatalyst material "Titanistar(R)" contributes to preserving food freshness. Its photocatalytic oxidation and decomposition capabilities break down substances that cause food degradation, while its superhydrophilic properties maintain a clean state. This enables the maintenance of food quality and allows for longer sales periods. 【Usage Scenarios】 - Food packaging materials - Food storage facilities - Transport containers 【Benefits of Implementation】 - Preservation of food freshness - Extension of expiration dates - Reduction of food waste

In the agricultural sector, the occurrence of diseases and pests is a significant issue that greatly affects yield and quality. Diseases can hinder crop growth and potentially lead to reduced profits. The titanium photocatalyst material "Titanistar(R)" promotes the decomposition of substances that cause diseases through photocatalytic action, supporting a healthy growth environment for crops. 【Usage Scenarios】 - Spraying on crops - Space purification in greenhouse cultivation - Treatment of seeds and seedlings 【Benefits of Introduction】 - Reduction of disease risk - Decrease in pesticide usage - Improvement in crop quality

In the aquaculture industry, water quality management is a crucial factor that affects productivity and quality. In particular, the accumulation of organic matter and harmful substances in aquaculture ponds and tanks can hinder the growth of seafood and cause diseases, potentially impacting profits negatively. Effective water purification is essential for maintaining a healthy aquaculture environment. The titanium photocatalyst material "Titanistar(R)" contributes to water purification through its oxidation and decomposition capabilities and superhydrophilicity. 【Application Scenarios】 - Water purification in aquaculture ponds - Decomposition of organic matter in tanks - Removal of harmful substances 【Effects of Implementation】 - Promotion of seafood growth through improved water quality - Reduction of disease risk - Increased profitability

In sports facilities, purifying the air environment is essential to maintain the health and comfort of users. Especially in places where many people gather, the removal of odors and harmful substances is required. Titanister® utilizes photocatalytic technology to decompose organic and harmful substances in the air, providing a clean environment. 【Usage Scenarios】 - Changing rooms - Training rooms - Spectator seats - Reception areas 【Benefits of Implementation】 - Reduction of odors - Decomposition of harmful substances - Realization of a clean air environment

In the medical device industry, particularly in bone fusion surgeries, the risk of postoperative infections is a significant challenge. Infections can delay patient recovery and may require reoperation. Titanister® provides a solution to this issue by utilizing photocatalytic technology. Collaborative research with the Department of Orthopedic Surgery at Kyoto Prefectural University of Medicine has demonstrated that titanium pins treated with Titanister® contribute to reducing the risk of postoperative infections. There have been nearly 100 cases documented, and a paper has been published in an international medical journal. Titanister® is a product that pursues safety and effectiveness in medical settings. 【Application Scenarios】 - Fracture treatment - Artificial joint replacement surgery - Spinal fixation surgery 【Effects of Implementation】 - Reduction of postoperative infection risk - Early recovery for patients - Reduced burden on healthcare professionals

In the aerospace industry, reducing the weight of aircraft is essential for improving fuel efficiency and reducing operational costs. At the same time, high durability and functionality that can withstand the harsh environments of outer space and high altitudes are required. Titanistar® contributes to solving these challenges by imparting photocatalytic functions to lightweight, high-strength titanium materials. Photocatalytic technology is expected to provide surface protection for components, enhance corrosion resistance, and enable self-cleaning functions. This allows for weight reduction of the aircraft while simultaneously improving maintainability and ensuring long-term performance. 【Application Scenarios】 - Gas deodorization and purification of condensate water for drinking inside aircraft - Components for spacecraft - Components for satellites 【Effects of Implementation】 - Improved fuel efficiency through weight reduction - Enhanced durability of components - Reduced maintenance costs

In the automotive industry, shock absorption performance is emphasized to improve safety. It is required to effectively absorb the impact during an accident and reduce damage to occupants and the vehicle body. Titanistar® has the potential to contribute to the performance enhancement of shock-absorbing materials due to its durability and photocatalytic function. Photocatalytic technology prevents material degradation and enables long-term performance maintenance. 【Application Scenarios】 - Deodorization of gas components inside the vehicle - Vehicle body frame - Interior materials 【Effects of Implementation】 - Improved shock absorption performance - Enhanced material durability - Increased safety

In dental implant treatment, postoperative infections pose a serious threat to patient health. Peri-implantitis can also compromise the long-term stability of the implant. Therefore, the use of photocatalytic technology, specifically 'Titanistar(R)', is gaining attention. Implants treated with Titanistar contribute to reducing the risk of postoperative infections. 【Usage Scenarios】 - Photocatalytic Titanistar treatment of titanium pins in implant surgery - Reduction of the risk of postoperative infections 【Effects of Implementation】 - Decreased risk of inflammation at the skin incision site after surgery - Improved long-term stability of the implant

In the field of regenerative medicine, scaffold materials are crucial for promoting cell proliferation and tissue regeneration. Scaffold materials serve as a foundation for cells to grow and form tissues in an appropriate environment. In particular, biocompatibility, cell affinity, and reduced infection risk are essential. Titanistar® contributes to these challenges with its high antibacterial properties and biocompatibility due to its photocatalytic effect. As a scaffold material in cell culture, it holds the potential to support cell adhesion and proliferation, thereby promoting tissue regeneration. 【Usage Scenarios】 - Cell culture - Tissue regeneration - Scaffold materials 【Benefits of Implementation】 - Reduced infection risk due to high antibacterial properties - Improved cell affinity due to biocompatibility - Promotion of cell growth through photocatalytic effects

In the chemical industry, materials with biocompatibility are in demand across various fields, particularly in the medical sector. Especially for medical devices and implants that are embedded in the body, reducing the risk of infection is a critical challenge. The photocatalytic material "Titanistar(R)" possesses biocompatibility and demonstrates high antibacterial performance, contributing to solving this issue. In collaborative research with the Department of Orthopedic Surgery at Kyoto Prefectural University of Medicine, the treatment of titanium pins for orthopedic surgery with "Titanistar(R)" successfully reduced the risk of postoperative infections, and a paper was published in an international medical journal. This technology suggests new possibilities for biocompatible materials in the chemical industry. 【Application Scenarios】 - Medical implants in orthopedic surgery - Dental implants - Other medical devices requiring biocompatibility 【Effects of Implementation】 - Reduction of postoperative infection risk - Improvement of long-term stability of implants - Enhancement of patients' quality of life (QOL)

In the robotics industry, the long-term reliability and performance maintenance of moving parts are crucial. Particularly for robots used in harsh environments, issues such as friction, corrosion, and degradation from bacteria in moving parts become significant problems. These issues can lead to operational downtime and performance decline, potentially resulting in increased costs. Titanister® contributes to improving durability and maintaining long-term performance by being applied to the surface treatment of moving parts. 【Application Scenarios】 - Joints - Drive units - Sensor components 【Effects of Implementation】 - Reduced friction resistance - Suppression of corrosion - Inhibition of bacterial growth - Extended lifespan of moving parts

In the water supply and drainage industry, the safe supply of water is the most important issue. Water quality contamination has a direct impact on people's health, necessitating the advancement of water purification technologies. In particular, the removal of bacteria, viruses, and chemicals present in raw water is essential for providing safe water. Our photocatalytic Titanister has received high praise in the Ministry of Defense's water purification contest, proving its purification capability. Through photocatalytic technology, it is possible to purify non-potable water to make it drinkable. 【Usage Scenarios】 - Water quality purification at water treatment plants - Sterilization and disinfection of tap water - Emergency water purification during disasters 【Benefits of Implementation】 - Safe water supply due to high purification capability - Removal of bacteria, viruses, and chemicals - Reliability recognized by the Ministry of Defense

In the food manufacturing industry, ensuring product quality and safety is the top priority. Contamination by bacteria and viruses during the manufacturing process increases the risk of product quality deterioration and foodborne illnesses. Photocatalytic titanium dioxide addresses these challenges with its high sterilization effectiveness. Its reliability is proven by its award-winning performance in the Ministry of Defense's water purification contest. 【Usage Scenarios】 - Food manufacturing lines - Food storage facilities - Sterilization of cooking utensils 【Benefits of Implementation】 - Improved product quality through the removal of bacteria and viruses - Enhanced food safety - Strengthened hygiene management in the manufacturing process

In medical institutions, advanced sterilization measures are required to reduce the risk of hospital-acquired infections. The sterilization of surgical instruments and medical devices is extremely important for ensuring patient safety. Photocatalytic titanium oxide has a high sterilization effect and can contribute to sterilization measures in medical settings. 【Usage Scenarios】 - Operating rooms - Examination rooms - Sterilization of medical instruments 【Benefits of Implementation】 - Reduction of the risk of hospital-acquired infections - Ensuring the safety of healthcare workers - Increased sense of security for patients

In agriculture, the quality of irrigation water has a significant impact on crop growth. The contamination of harmful substances and bacteria, which can lead to the occurrence of pests and diseases or soil pollution, may result in reduced yields and decreased quality. Ensuring safe irrigation water is crucial for stable agricultural management. Our photocatalytic Titanister applies technology that has received high praise in the Ministry of Defense's water quality purification contest and contributes to the purification of irrigation water. 【Usage Scenarios】 - Agricultural water channels - Reservoirs - Ponds 【Effects of Implementation】 - Promotion of crop growth through water quality improvement - Reduction of pest and disease risks - Increase in yields - Improvement in agricultural product quality

In the aquaculture industry, water quality management is essential for the health and growth of seafood. In particular, the deterioration of water quality in aquaculture ponds can lead to disease outbreaks and stunted growth, negatively impacting profits. Photocatalytic titania contributes to the purification of water quality in aquaculture ponds, addressing these challenges. This technology, recognized in the Ministry of Defense's water purification contest, is applied to water quality management in aquaculture. 【Application Scenarios】 - Purification of water quality in aquaculture ponds - Suppression of pathogens and viruses - Purification of water in tanks 【Effects of Implementation】 - Maintenance of seafood health - Promotion of growth - Reduction of disease risk - Improvement of profitability

In hot spring facilities, measures against Legionella bacteria are essential to protect the health of users. In particular, the circulation filtration system and the bathing area are environments where Legionella bacteria can easily proliferate, and without appropriate measures, there is a possibility of health hazards. Our photocatalytic Titanister applies technology recognized in the Ministry of Defense's water purification contest and contributes to measures against Legionella bacteria in hot spring water. 【Usage Scenarios】 - Bathtubs in hot spring facilities - Circulation filtration systems - Humidifiers 【Effects of Implementation】 - Suppression of Legionella bacteria - Water purification - Protection of user health

In pool water quality management, it is important to maintain a safe and comfortable water quality. In particular, the accumulation of bacteria and viruses, such as Legionella, and organic matter can negatively impact the health of users. Photocatalytic titanium oxide is an effective means to address these issues and keep pool water clean. 【Usage Scenarios】 - Pool water purification - Assistance for circulation filtration systems - Measures against Legionella and viruses 【Effects of Implementation】 - Protection of user health through improved water quality - Reduction in chemical usage - Decrease in pool operating costs

In the hotel industry, it is important to provide customers with safe and high-quality drinking water. Particularly, water quality management is a significant issue amidst the demands for hygiene management. The photocatalytic titanium star is a technology that has received high praise in the Ministry of Defense's water purification contest and contributes to the purification of drinking water. Our photocatalytic technology has been proven to purify non-potable water to make it drinkable. 【Usage Scenarios】 - Drinking water in guest rooms - Drinking water in restaurants - Drinking water in banquet halls 【Effects of Implementation】 - Provision of safe drinking water - Improvement of customer satisfaction - Strengthening of hygiene management

In theme park attractions, water quality management is crucial for the safety and comfort of visitors. This is especially true for attractions that use water, where measures against water contamination, bacteria, and viruses are essential. Inadequate water quality management can lead to health risks for visitors and potential shutdowns of attractions. Our photocatalytic Titanister applies technology recognized in the Ministry of Defense's water purification contest and contributes to the purification of attraction water quality. 【Usage Scenarios】 - Water attractions - Waterside shows - Water landscape areas 【Benefits of Implementation】 - Reduced health risks for visitors through water purification - Continued operation of attractions - Provision of a clean environment

In factory wastewater treatment, responding to environmental regulations and reducing treatment costs are important challenges. It is required to efficiently remove harmful substances contained in the wastewater and meet legal standards. Photocatalytic titanium oxide has the potential to contribute to water purification and improve the quality of wastewater treatment. 【Application Scenarios】 - Purification of factory wastewater quality - Performance enhancement of wastewater treatment facilities 【Effects of Implementation】 - Reduction of environmental impact through water quality improvement - Potential reduction in wastewater treatment costs

In building management, air purification in air conditioning systems is essential for maintaining the health and comfort of occupants. Particularly in office buildings and commercial facilities, issues such as dust, mold, viruses, and odors can arise, making it difficult to address these problems adequately with just ventilation and filter replacement. Photocatalytic titanium oxide can help solve these issues and improve the performance of air conditioning systems. 【Usage Scenarios】 - Office buildings - Commercial facilities - Hospitals - Schools 【Effects of Implementation】 - Decomposition of harmful substances in the air - Suppression of mold and viruses - Removal of odors - Improved efficiency of air conditioning systems

In the field of disaster management, securing safe water is the top priority. Especially in situations where there is a water outage or only contaminated water is available, technology that can quickly and reliably secure safe water is essential. The photocatalytic titanister has received high praise in the Ministry of Defense's water purification contest and has been proven to purify non-potable water into drinkable water. This technology addresses significant challenges in securing water during emergencies. 【Usage Scenarios】 - Evacuation centers - Disaster preparedness stockpiling - Water supply during disasters 【Effects of Implementation】 - Rapid securing of safe water - Reduction of infection risk - Stable supply of drinking water