It is an essential technology for processing to below environmental standards, as it can be stably handled at low concentrations.
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.
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【Other Treatment Methods】 ■Biological Contact Filtration Method By cultivating iron bacteria on the carrier filled in the tower and passing the liquid through this tower, arsenic is precipitated as sludge and removed. ■Iron Co-precipitation Method By adding ferric chloride (III) to the raw water, arsenic is removed as sludge. *For more details, please download the PDF or feel free to contact us.
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【Achievements (Adsorption Method)】 ■ Hot spring wastewater treatment (river discharge) ■ Arsenic removal from mineral water ■ Tunnel spring water treatment, etc. *For more details, please download the PDF or feel free to contact us.
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Nihonkai Water Co., Ltd. has been delivering safe and reliable salt to everyone for many years as a leading company in the salt industry. Building on the "technological capabilities" and commitment to "manufacturing" cultivated through salt production, which is a blessing from the sea, we are expanding our business into various fields such as the environment, food, and agriculture, utilizing the infinite resources of seawater. Please feel free to contact us if you have any inquiries.