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When discharging water containing heavy metals, it is necessary to comply with the discharge standards set forth by the Water Pollution Control Law. To this end, spinning mills and metal processing factories that discharge water containing heavy metals employ various wastewater treatment technologies. This article explains the types of wastewater treatment technologies for water containing heavy metals, along with the advantages and disadvantages of each treatment method. *For detailed content of the column, please refer to the related links. For information about our products, please download the materials for confirmation.

• Hazardous material processing

When phosphorus flows into rivers in even small amounts due to industrial wastewater, it can cause fluctuations in the concentration of phosphorus in the natural environment, leading to the possibility of eutrophication. Therefore, it is necessary to reduce the concentration to the specified standard value when discharging wastewater. This article explains the types of wastewater treatment technologies for phosphorus-containing water and the advantages and disadvantages of each treatment method. *For detailed content of the column, you can view it through the related links. Please download the materials to check our products.

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Excessive intake of fluoride has been confirmed to cause poisoning symptoms, so it is necessary to reduce its concentration to the specified standard level when discharging wastewater. For this reason, power plants and factories that contain fluoride in their wastewater are making efforts to meet the standard values by utilizing various wastewater treatment technologies. This article will explain the types of fluoride wastewater treatment technologies and the advantages and disadvantages of each type. *For detailed content of the column, please refer to the related links. For information about our products, please download the materials for confirmation.

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Arsenic is a harmful substance to the human body, so when discharging wastewater, it is necessary to reduce the arsenic concentration to the specified standard level. Additionally, when used for drinking purposes, it must be treated to meet the standards set by drinking water regulations. This article explains the types of wastewater treatment technologies for arsenic-containing water and the advantages and disadvantages of each treatment method. *For detailed content of the column, you can view it through the related links. Please download the materials to check our products.

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When discharging boron-containing water, it is necessary to comply with the standard values set by the Water Pollution Control Law. Boron is said to be one of the elements that is very difficult to treat, and at places like industrial waste treatment facilities where there is a possibility of discharging water containing boron, various treatment technologies are employed for wastewater treatment. This article explains the types of wastewater treatment technologies for boron-containing water and their respective advantages and disadvantages. *For detailed content of the column, please refer to the related links. For information about our products, please download the materials for confirmation.

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This is a case where water with a boron concentration of 500 mg/L was treated to a target concentration of 50 mg/L using READ-CX(L) at a thermal power plant overseas. At the same power plant, it was necessary to treat the boron contained in the desulfurization wastewater to meet the standards related to wastewater regulations. After treatment with a water treatment coagulant, the target value of below 50 mg/L was achieved. [Case Summary] ■Challenge - It was necessary to treat the boron contained in the desulfurization wastewater to meet the standards related to wastewater regulations. ■Results - Achieved the target value of below 50 mg/L. - Compared to conventional methods, the amount used was less, and the amount of sludge generated was also minimized, contributing to cost improvement. *For more details, please refer to the related links or download the materials for confirmation.

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We would like to introduce a case of arsenic treatment using the water treatment adsorbent 'READ-As' at a certain tunnel excavation site. During the tunnel excavation, arsenic-contaminated spring water emerged, necessitating treatment to bring it below environmental standards after the excavation work was completed. After the introduction of the water treatment adsorbent, we were able to respond to fluctuations in flow rate and consistently treat the water to achieve an arsenic concentration of less than 0.01 mg/L through adsorption treatment in automatic operation. [Case Summary] ■Challenges - Treatment was required to meet environmental standards. ■Results - We were able to respond to fluctuations in flow rate. - We successfully treated the water to achieve an arsenic concentration of less than 0.01 mg/L through adsorption. *For more details, please refer to the related links or download the materials for confirmation.

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We would like to introduce a case where the water treatment adsorbent 'READ-F(HG)' was used for fluoride treatment at a semiconductor factory. In this factory, it was necessary to treat wastewater containing fluoride derived from hydrofluoric acid, and after coagulation and precipitation treatment with calcium, advanced treatment was carried out using the adsorbent. Since wastewater is continuously generated, treatment was conducted using multiple towers, allowing for ongoing processing even during regeneration. Additionally, because it can also be utilized as a safety device, it has become possible to reduce operational costs through extended regeneration cycles. 【Case Summary】 ■Challenges - There was a need to treat wastewater containing fluoride derived from hydrofluoric acid. ■Results - Continuous processing was achieved even during regeneration. - It became possible to reduce operational costs through extended regeneration cycles. *For more details, please refer to the related links or download the materials for confirmation.

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This document introduces the immobilization of heavy metal contaminated soil, which stops the leaching of heavy metals from target substances and prevents the spread of contamination. It includes methods for immobilization treatment such as "full soil immobilization" and "adsorption layer method," featuring the "Heavy Metal Immobilization Material Weeks Series," which has a high adsorption capacity for heavy metals and demonstrates significant immobilization effects with a small amount of additive. Additionally, we adjust the chemical formulation to match the contaminated soil in question and provide appropriate formulations. The "Weeks-RX(Ca)" formulated for the treatment of coal ash can treat hexavalent chromium and selenium. Detailed treatment cases are presented in the brochure. [Contents] ■ What is immobilization treatment? ■ Heavy Metal Immobilization Material Weeks Series ■ Recycling plants for industrial waste such as incineration ash ■ Treatment cases of coal ash using Weeks-RX(Ca) ■ Proposal process *For more details, please refer to the PDF document or feel free to contact us.

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"READ-CX" is an inorganic coagulant that purifies contaminated water containing boron, fluorine, and heavy metals by adding it to the water to aggregate and precipitate harmful substances. Boron can be treated in a weak alkaline pH range. Fluorine can also be treated down to low concentration levels, making it effective for the treatment of both boron and fluorine. Being in liquid form, it is easy to handle and convenient to use. Please feel free to consult us when you need our services. 【Features】 ■ Effective for the treatment of boron and fluorine ■ Capable of treating fluorine down to low concentration levels ■ Can treat boron in a weak alkaline pH range ■ Low dosage of chemicals and minimal sludge generation, resulting in significant total cost benefits ■ Easy to handle due to its liquid form *For more details, please refer to the PDF document or feel free to contact us.

• Hazardous material processing

This document introduces our boron removal technologies, including our adsorbent READ-B(MC) and coagulant READ-CX, which are widely used for the treatment of factory wastewater and similar applications. It covers general boron treatment methods such as vacuum evaporation and membrane separation, as well as the "inorganic coagulant READ-CX and boron treatment," which has high selectivity for boron, and "boron treatment using adsorbents," suitable for low concentration treatment. Additionally, we provide case studies and major implementation sites. If you have any concerns, please feel free to consult with us. 【Contents】 ■ General boron treatment methods ■ Inorganic coagulant READ-CX and boron treatment ■ Boron treatment using adsorbents ■ Case studies ■ Major implementation sites *For more details, please refer to the PDF document or feel free to contact us.

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"READ-F(HG)" is a fluoride removal adsorbent that can be used for advanced treatment after calcium precipitation, allowing for stable and low-cost processing. It has fine grooves running inside, which enable high performance by allowing penetration through these grooves. By covering low concentration treatment, which is not well-suited for precipitation treatment, it is possible to reduce the amount of chemical agents used and the volume of sludge generated, thereby lowering running costs. Additionally, advanced treatment of fluoride can be achieved by utilizing a coagulant "READ-CX," which allows for low concentration treatment with a small amount of addition. 【Features】 ■ Granular adsorbent with a diameter of approximately 0.7mm ■ Capable of stable and low-cost processing ■ Fluoride adsorbed can be desorbed by flowing alkali, allowing for regeneration and reuse ■ Reduces the amount of chemical agents used and the volume of sludge generated ■ Significantly reduces running costs *For more details, please refer to the PDF document or feel free to contact us.

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We would like to introduce our recommended technology, the "Adsorption Method" for arsenic treatment. This technology removes arsenic from water by passing the target water through a tower filled with an adsorbent. Our arsenic removal adsorbent "READ-As" has numerous achievements both domestically and internationally, and can be used not only for well water treatment but also for factory wastewater treatment and mineral water production. (We offer regeneration at our factory.) Please feel free to consult us when you need our services. 【Benefits of Treatment with the Adsorption Method】 ■ Stable treatment is possible ■ Low operational costs ■ No waste generated on-site ■ Easy maintenance ■ Capable of treating trivalent and pentavalent arsenic without pretreatment *For more details, please refer to the PDF document or feel free to contact us.

• others

"READ-As" is an arsenic removal adsorbent that has passed the leaching test for water supply materials, making it suitable for securing drinking water. Trivalent arsenic, which is highly toxic, could not be treated with conventional adsorbents or iron co-precipitation methods without prior oxidation to pentavalent arsenic. However, this product can treat both trivalent and pentavalent forms directly. It is less affected by commonly present components such as silica, excluding phosphorus, and maintains high performance. 【Features】 ■ Can handle both trivalent and pentavalent arsenic ■ Less susceptible to the influence of impurities ■ Reusable through regeneration treatment (regeneration is available at our factory) ■ Usable for drinking water treatment *For more details, please refer to the PDF document or feel free to contact us.

• others

Our company proposes an adsorption method using boron adsorbents suitable for advanced treatment as a way to handle boron. We offer three types of cerium-based boron adsorbents: "READ-B," "READ-B(MC)," and "READ-B(LC)." These adsorbents are classified according to their applications and purposes, such as for high-concentration wastewater, low-concentration wastewater, and drinking water, allowing us to recommend the most suitable adsorbent for each case. 【Product Lineup】 ■READ-B ■READ-B(MC) ■READ-B(LC) *For more details, please download the PDF or feel free to contact us.

• Hazardous material processing

Our company proposes an adsorption method using the arsenic adsorbent "READ-As" for treating arsenic-contaminated water. The adsorption method involves passing raw water through a tower filled with the arsenic adsorbent, which adsorbs and removes arsenic from the liquid. Since treatment can begin immediately after the installation of the adsorption tower, it is possible to respond even in urgent situations, and operational management is relatively easy. 【Features】 - Capable of adsorbing and removing arsenic in both trivalent and pentavalent forms without pretreatment in water. - The arsenic adsorption capacity is very high, allowing for stable treatment of arsenic concentrations below target levels for extended periods. - Capable of treating to meet environmental standards of 0.01 mg/L or lower, etc. *For more details, please download the PDF or feel free to contact us.

• Hazardous material processing

Calcium-based coagulation and sedimentation treatment is common, but our company offers fluoride treatment technology using adsorption methods. In the adsorption method, it is possible to efficiently treat low concentrations by passing liquid through a tower filled with fluoride adsorbent. The adsorbent can be reused after regeneration, leading to reduced running costs, and we use "READ-F(HG)." 【Features】 ■ Efficient for concentrations of around 20 mg/L ■ Capable of treating down to environmental standards (0.8 mg/L) ■ Strong against concentration changes ■ Relatively easy to manage operations *For more details, please download the PDF or feel free to contact us.

• Hazardous material processing