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Wastewater treatment is an important process for removing pollutants contained in domestic and industrial wastewater to make it safe. Various methods and facilities are used in wastewater treatment depending on the type of wastewater and the pollutants it contains, but fundamentally, it can be divided into three methods: "physical treatment," "chemical treatment," and "biological treatment." Each method has a variety of techniques and processes, and by appropriately combining these, efficient water quality purification can be achieved. This article will clearly explain useful knowledge for practical use, from the basic concepts of wastewater treatment to the main treatment methods such as physical treatment, chemical treatment, biological treatment, and methods for removing harmful substances. *For more details about the blog, you can view it through the related links. Please feel free to contact us for more information.

In wastewater treatment, "coagulation and sedimentation" play an important role. In the coagulation and sedimentation method, fine substances in wastewater, such as heavy metals, are bound together by a coagulant to form large clumps called "flocs," which are then separated from the water by sedimentation or flotation. Understanding the principles of coagulation and sedimentation and the process by which flocs settle is a key point that beginners in wastewater treatment should grasp. This article will provide a detailed and easy-to-understand explanation of the basics of coagulation and sedimentation, as well as specific treatment methods for beginners. *For more detailed content of the blog, please refer to the related links. Feel free to contact us for more information.*

Water treatment equipment is an essential part of our lives and industrial activities, and water quality management is required in various factories and business locations. Therefore, daily maintenance is indispensable, and regular inspections are also important for accurate measurements and stable operations. In this article, we will explain in detail the maintenance of pH meters and their pH electrodes, which play a central role in wastewater treatment equipment, including the necessary daily procedures and specific care methods. *For more detailed information, please refer to the related links. Feel free to contact us for more details.

Water treatment is an important process that ensures the safety of water for domestic and industrial use, supports environmental protection, and contributes to the sustainable management of companies that require water treatment. Among water treatment methods, the use of chemical agents is very common, with various types of chemicals utilized for water quality improvement, purification, sludge treatment, and disinfection. Here, we will provide a detailed explanation of representative chemicals such as "caustic soda," "sulfuric acid," and "quicklime," introducing their respective purposes and roles in actual water treatment processes. *For more detailed content, please refer to the related links. Feel free to contact us for further information.*

In this article, we have summarized the opinions and requests for service improvement and development based on the survey results regarding water treatment equipment, wastewater facilities, and services received from our customers. We will introduce the feedback from customers regarding whether our maintenance services are helpful in managing your equipment and whether you are satisfied with our responsiveness. *For more details about the blog, please refer to the related links. For further inquiries, feel free to contact us.*

Water is an essential element for human survival. It is needed not only in daily life but also in various situations such as agriculture and industry. Since water is not infinite, it is necessary to purify dirty water and return it to nature. The process of removing impurities from water for human use or to return it to nature is called water treatment. We will introduce what water treatment is, the types of water treatment, and information about Suirei's water treatment. *For more detailed information, please refer to the related links. Feel free to contact us for more details.

The field of water treatment is an essential area for the conservation of the global environment and the realization of a sustainable society. However, issues such as water scarcity and water pollution are becoming increasingly serious due to population growth and industrial development, making water treatment technology play an increasingly important role. In this context, water treatment exhibitions where industry stakeholders gather provide an excellent opportunity to learn about cutting-edge technological trends and expand business possibilities. This time, we will introduce major water treatment exhibitions scheduled to be held in 2025, highlighting their features and points of interest. We hope this will be helpful to you. *For detailed information, please refer to the related links. For more details, feel free to download the PDF or contact us.*

Cyanides are widely used in industrial fields, for example in metal surface treatment, gold refining, and plastic manufacturing. However, cyanides are highly toxic and can have serious effects on human and animal health, so careful handling is necessary. To safely treat wastewater containing cyanide, a wastewater treatment technology called cyanide treatment is employed. The purpose of cyanide treatment is to decompose cyanide into harmless substances and reduce the burden on the water environment. This article will clearly explain the basic principles of cyanide treatment as well as specific treatment methods. *For detailed content of the article, please refer to the related links. For more information, feel free to download the PDF or contact us.*

Water pollution is one of the significant environmental issues in modern society. In particular, fluoride and boron released into water from industrial activities and agricultural runoff can have harmful effects on humans and ecosystems if not properly managed. In this article, we will clearly explain the characteristics and impacts of fluoride and boron, the regulatory standards in water treatment, and removal methods. We hope this will serve as a starting point for considering what efforts are necessary to achieve a safer and more sustainable water environment. *For more detailed information, please refer to the related links. You can download the PDF for more details or feel free to contact us.*

Nitrogen compounds such as ammonia and nitrate found in domestic wastewater and industrial effluent can lead to eutrophication of rivers and lakes if not properly treated. Since this can have serious impacts on ecosystems, nitrogen removal in water treatment has become an essential technology for protecting water environments. In this article, we will clearly explain the necessity of nitrogen removal and its basic processes. *For more detailed information, please refer to the related links. You can download the PDF for more details or feel free to contact us.*

Polymer coagulants are agents that help improve the efficiency of water treatment and reduce costs. There are various methods and technologies for water treatment, but among them, polymer coagulants can be considered one of the particularly effective means. In this article, we will convey the basic information about polymer coagulants. We will clearly introduce their usage and specific examples. We aim to provide knowledge that will be useful for those responsible for the maintenance of water treatment facilities in their daily tasks. *For detailed content of the article, you can view it through the related links. For more information, please download the PDF or feel free to contact us.*

Activated carbon is a porous adsorbent made from natural materials that are processed at high temperatures, and it is utilized in a wide range of fields. It is used in various applications, including water purification treatment for tap water, industrial water treatment, and wastewater treatment. It is particularly effective in removing organic substances and adsorbing heavy metals, making it an important technology for providing safe and clean water. In this article, we will explain the basic mechanisms and types of activated carbon, as well as its role in water treatment. *For more detailed information, please refer to the related links. Feel free to contact us for further inquiries.*

Phosphorus is an essential element in agriculture and industry, but it is also known as a major cause of eutrophication in aquatic environments. It triggers abnormal growth of phytoplankton in lakes and coastal areas, leading to water quality deterioration and impacts on ecosystems. Therefore, it is crucial to properly manage and remove phosphorus concentrations in wastewater. In this article, we will clearly explain the importance of phosphorus removal and the basic technologies involved. Those involved in water treatment are encouraged to refer to this information. *For more detailed content, please refer to the related links. Feel free to contact us for further inquiries.*

In modern society, pure water has become an indispensable presence in various fields. In industries such as semiconductors, pharmaceuticals, and food production, where advanced technology is required, pure water with impurities removed to the utmost limit is sought after. At the core of pure water production is ion exchange resin. In this article, we will provide a clear explanation of the basic concepts of pure water and fundamental knowledge about ion exchange resins. If you are considering introducing or improving a pure water generation system, please use this as a reference. *For detailed content of the article, you can view it through the related links. For more information, feel free to contact us.*

In factories and manufacturing sites, wastewater treatment is essential. Particularly in the processes of metalworking and electronic component manufacturing, wastewater may contain "heavy metals with harmful substances" such as cadmium, lead, arsenic, hexavalent chromium, and cyanide, which must be properly removed. However, treating heavy metals is not easy. It is necessary to choose methods that comply with regulations while being efficient and cost-effective. This is where "heavy metal removers" become important. This article will provide a detailed explanation of the mechanisms, types, and selection points for heavy metal removers. *For more detailed information, please refer to the related links. Feel free to contact us for further inquiries.*

Water is essential for our survival. To use safe and secure water consistently, proper water treatment is indispensable. Water treatment plants play a crucial role in improving water quality from sources such as rivers, lakes, and groundwater into water for our daily lives, industrial use, and environmentally considerate wastewater. In this article, we will explain the basic knowledge about the mechanisms, types, design and construction, and maintenance of water treatment plants. *For more detailed information, please refer to the related links. Feel free to contact us for more details.*

In recent years, as the importance of water resources has been increasing, the role of water treatment plants has become very important. Water treatment plants use various types of filters to remove impurities and harmful substances contained in raw water, providing safe and clean water. This time, we will clearly explain the basics of water treatment filters, including what they are, how they work, their types, and how to choose them. *For detailed content of the article, you can view it through the related links. Please feel free to contact us for more information.*

Semiconductors are incorporated into various electronic devices in modern society and serve as the foundation that supports our lives. An essential component of semiconductor manufacturing is the highly purified "ultrapure water." Water treatment technology in semiconductor factories is a crucial element that supports product quality and requires an extremely high standard. In this article, we will explain the indispensable water treatment technology used in semiconductor factories, as well as provide basic knowledge about the process of producing pure water. *For detailed content of the article, please refer to the related links. Feel free to contact us for more information.*

Water treatment design is an essential technology for protecting our lives and the environment. For example, in nearby food processing plants, wastewater containing a lot of organic matter is generated, so appropriate treatment is necessary before it is discharged into the sea or rivers. Additionally, in metal surface treatment-related factories, the treatment of wastewater containing metals is crucial. To properly treat this wastewater, water treatment design tailored to the characteristics of each industry is required. Therefore, this time, we will clearly explain the basic concepts and processes of water treatment design. *For detailed content of the article, please refer to the related links. For more information, feel free to contact us.*

Water is essential to our lives. However, this water may contain various impurities. Water treatment technology is crucial for ensuring safe and delicious water. Among these, "RO membrane (reverse osmosis membrane)" is gaining attention as a particularly high-performance water purification technology. RO membranes use very fine filters to remove impurities from water. In this article, we will clearly explain the basic knowledge about the characteristics and benefits of RO membranes. *For more detailed information, please refer to the related links. Feel free to contact us for more details.*

Water is the source of life and an essential resource for our daily lives and industrial activities. However, once used, water can cause environmental burdens if not properly treated. In this context, Suirei Co., Ltd., headquartered in Nagoya, has been developing and providing water treatment technologies for many years, supporting the sustainable development of businesses and society. In this article, we will introduce Suirei's strengths and features in detail, explaining why the company is recognized as a leading water treatment firm representing Nagoya. *For more detailed information, please refer to the related links. Feel free to contact us for more details.*

Global warming, population growth, and industrial development. The water resources that support our lives are now facing an unprecedented crisis. The worsening water shortages and water pollution around the world are urgent issues that threaten our future. In this situation, the water treatment industry plays a crucial role in realizing a sustainable society, and innovations in water treatment technology and the introduction of new systems are steadily progressing. In this article, we will provide a detailed explanation of the current state of the water treatment industry and its future prospects, including advanced technological trends, market changes, and efforts toward achieving a sustainable society. *For more detailed information, please refer to the related links. Feel free to contact us for further inquiries.*

Water treatment equipment is an essential device for purifying water discharged from factories and facilities, minimizing its impact on the environment. This article will explain what water treatment equipment is, providing basic knowledge, as well as clearly describing its types and roles. Additionally, I will discuss the water treatment equipment handled by Suirei Co., Ltd., so those interested in water treatment equipment should definitely find this information useful. *You can view the detailed content of the article through the related links. For more information, please feel free to contact us.*

Water supports various social activities, not only as drinking water but also in agriculture, industry, and energy production. However, with the development of industries, the burden on water resources has been steadily increasing, and water pollution has become a serious issue. The technology that restores dirty water to a safe state and allows for the sustainable use of precious water resources is called a "water treatment system." The reuse of water and the purification of contaminated water are important issues that directly relate not only to environmental protection but also to cost reduction for companies. In this article, we will clearly explain the basic mechanisms of water treatment systems, including the processes and types of treatment methods. If you want to grasp the overall picture of water treatment, please refer to this information. *You can view detailed content of the article through the related links. For more information, feel free to contact us.*

The reuse of factory wastewater has been attracting increasing attention in recent years as an important initiative towards achieving a sustainable society. Against the backdrop of severe water resource constraints, strengthened environmental regulations, and the growing need for cost reduction, many companies are actively advancing the sophistication of wastewater treatment technologies and the introduction of reuse systems. In this article, we will explain in detail what factory wastewater reuse is, its benefits, and the basic mechanisms involved. Now is the time to explore the possibilities of reuse for the sustainable use of water resources. *For more detailed information, please refer to the related links. Feel free to contact us for more details.*

Wastewater treatment facilities are an "inconspicuous yet important presence" for factories and facilities. Behind the scenes of daily operations, they support environmental considerations and compliance with regulations, serving as the unsung heroes. To ensure that these wastewater treatment facilities continue to perform at their best, proper daily management of equipment and instruments is essential. In this article, from the perspective of professionals responsible for maintenance on-site, we will introduce basic information that you should know, along with specific examples. *For detailed content of the article, please refer to the related links. For more information, feel free to download the PDF or contact us.*

"Creating beautiful water, cultivating beautiful water." This is our company motto and an important mission that we face every day on-site. Taking responsibility for the design, construction, and operation of wastewater treatment facilities is not merely about infrastructure development; we see it as a responsible job that builds connections with society and the environment through water. In this article, we will clearly introduce the basic classifications of wastewater treatment facilities and their respective roles. We hope this will serve as a helpful guide for those in charge who are considering the introduction of wastewater treatment facilities. *For detailed content of the article, please refer to the related links. For more information, feel free to download the PDF or contact us directly.*

Wastewater treatment facilities are essential systems that clean various types of wastewater generated by factories and facilities before returning it to nature. Effective operation of this equipment requires a strong focus on "treatment management." This article provides a clear explanation of the basics of treatment management and key points to consider, based on insights gained from the field of wastewater treatment. This content is highly recommended for those struggling with the operation of water treatment facilities. *For more detailed information, please refer to the related links. You can download the PDF for more details or feel free to contact us.*

When introducing or updating wastewater treatment equipment, determining what kind of equipment is necessary and how to choose it is a significant challenge. In this article, a professional with 50 years of field experience shares insights on "the types of equipment used in wastewater treatment facilities and key selection points," while avoiding technical jargon as much as possible. *For detailed content of the article, you can view it through the related links. For more information, please feel free to download the PDF or contact us.*

Water treatment equipment" is essential for corporate activities and factory operations. If this equipment does not operate normally, there is a risk of operational stoppage and negative impacts on the environment. That is why regular maintenance of water treatment equipment is indispensable. However, in recent years, issues such as a reliance on individual inspection systems and labor shortages have become apparent. Against this backdrop, maintenance utilizing cloud-based monitoring systems is gaining attention. In this article, we will touch on the basic maintenance content and importance of water treatment equipment, while introducing the features and implementation effects of the unique cloud monitoring system "SUIREI SACRA" provided by SUIREI Co., Ltd. *For detailed content of the article, please refer to the related links. For more information, feel free to download the PDF or contact us directly.

The design of wastewater treatment facilities is not simply about arranging and equipping machinery. The key is the "design capability" to combine equipment according to the water quality being treated and the site conditions, and to build a system that can be operated efficiently. In this article, we will provide a detailed explanation of the strengths and design philosophy of Suirei Co., Ltd.'s "assembly technology" in constructing appropriate water treatment facilities, as well as their achievements both domestically and internationally. If you are considering the introduction of wastewater treatment facilities or reviewing existing equipment, please use this as a reference. *For detailed content of the article, you can view it through the related links. For more information, please download the PDF or feel free to contact us.

In wastewater treatment facilities, "pH management" plays a very important role. If pH control is not successful, the treatment efficiency can significantly decrease, and ultimately, there is a possibility that the wastewater may not meet environmental standards. The key to pH management is the "pH electrode." Regular maintenance of the pH electrode is essential for accurately measuring pH and performing appropriate treatment. In this article, we will introduce the causes of pH electrode contamination, the correct cleaning methods, and points to be aware of, in as clear a manner as possible. *For detailed content of the article, you can view it through the related links. For more information, please download the PDF or feel free to contact us.*

In wastewater treatment facilities, various pumps are used for water supply and chemical injection. Only when these pumps operate normally can stable wastewater treatment be achieved, making the management and maintenance of pumps very important. This time, we will clearly introduce the management of metering pumps for chemical injection, which greatly influences the "quality" of wastewater treatment. *For detailed content of the article, you can view it through the related links. For more information, please download the PDF or feel free to contact us.

The "sedimentation tank" is essential for wastewater treatment in factories and facilities. However, in actual settings, many people face concerns related to design and operation, such as "limited installation space" and "wanting to keep it compact without reducing processing capacity." Therefore, this time, we will clearly explain the basic mechanism of sedimentation tanks and key points to consider during design. Additionally, we will also provide detailed information about the features of the high-performance model "Suiray-Sic," which integrates a coagulation tank and a sedimentation tank, developed by Suiray. If you want to make effective use of space and improve processing efficiency, please use this as a reference. *For detailed content of the article, you can view it through the related link. For more information, please download the PDF or feel free to contact us.

Ion exchange resins are an essential component for water treatment and heavy metal removal, but over time their adsorption performance decreases, necessitating regular regeneration. This regeneration process actually requires specialized knowledge and equipment, which may lead many companies to face challenges such as "difficulty handling it in-house" or "struggling with the disposal of regeneration wastewater." Choosing the wrong regeneration process can not only increase costs but also lead to environmental risks and quality issues. In this article, we will clearly explain why the regeneration of ion exchange resins is necessary, along with the challenges of regeneration, and introduce Suirei's services. If you are looking for a high-quality and reliable regeneration method, please use this as a reference. *For more detailed information, you can view it through the related links. For more details, please download the PDF or feel free to contact us.