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Company Information View more Message from the President Management Philosophy History Company Profile & Executives Locations Group Companies Our Business View more Ferroalloys Functional Materials Incineration Ash Recycling Aqua Solutions Electric Power R&D IR Information View more To Shareholders and Investors Stock Price Chart Medium/Long-Term Business Plan To Individual Investors IR News Financial Highlights Library Stock Information Calendar AGM Shareholder Return FAQ Sustainability View more Message from the President Sustainability Management Policy & Organization Materiality Environment Human Resources Society Governance Data Index Contact Us Nippon Denko at a Glance Site Map Terms of Service Privacy Policy Company Company - Company Information -->   View more Message from the President Management Philosophy History Company Profile & Executive Management --> Company Profile & Executives Locations Group Companies   Nippon Denko at a Glance Careers Business Our Business - Our Business -->   View more Ferroalloys Functional Materials Incineration Ash Recycling Aqua Solutions Electric Power R&D Contact Us Investors IR Information - IR Information -->   View more Message from the president Library Medium/Long-Term Business Plan To Individual Investors IR News Financial Highlights Stock Price Chart Share Information Calendar AGM Shareholder Return FAQ   Nippon Denko at a Glance IR News News Sustainability Sustainability - Sustainability -->   View more Message from the President Policy & Organization Materiality --> Environment Human Resources Society Governance Nippon Denko at a Glance Data Index Careers Careers - Careers -->   View more SustainabilityHuman Resources Application Guidelines Meet our People Benefits Candidates We Seek Career Paths FAQ   Nippon Denko at a Glance Apply (Mynavi) Contact Us   Site search: JP EN ND MINICHROPACK Nippon Denko Our Business Environmental Systems ND MINICHROPACK Aqua Solutions Business We contribute to the achievement of a sustainable society in this business by providing wastewater treatment equipment that purifies and recycles wastewater to promote water and resource recycling in addition to pure water production equipment that supplies the high-purity water required for cutting-edge technologies. Wastewater Treatment Equipment (Clean Recycle Technology) Our wastewater treatment equipment is packed with ion-exchange resin and other adsorbents. The consignment regeneration scheme at our Koriyama Plant makes it possible to recycle water and recover resources. 1. Purifying and reusing water and chemicals Wastewater can be reused as deionized water or pure water. When impurities are removed from the chemical solutions used in plating and other industrial processes, the solutions last longer and the water can be reused. 2. Consignment regeneration scheme No need for customer maintenance or chemicals for regenerating ion-exchange resin. No sludge is generated from wastewater treatment. Consignment regeneration of wastewater treatment equipment involves maintaining water treatment equipment, which does not constitute waste. --> Consignment regeneration of wastewater treatment equipment involves maintaining the equipment. Furthermore, the water treatment equipment does not constitute waste. 3. Recycling resources The heavy metal ions adsorbed and recovered from the ion-exchange resin are recycled. 4. Sales method Choice of rental, purchase, or lease 5. Stable performance and robust after-sales service We deploy a rigorous quality control system to maintain and regenerate wastewater treatment equipment at our Koriyama Plant. Our after-sales service program is similarly robust. Pure Water Production System (Pure Water Technology) Demand for high-purity water (for cleaning, mixing, inspections, and other uses) continues to rise as industrial products become more advanced. Pure water is also used to produce hydrogen, which powers fuel cell EVs and thus is regarded as an essential part of the effort to achieve carbon neutrality. Our AQUA PACK pure water production equipment is a simple pure water system packed with ion-exchange resin, and it is capable of creating high-purity water by removing impurities from tap water. Our MR PACK (pure water production equipment)-reverse osmosis (RO) membranes paired with AQUA PACK (ion-exchange resin tower)-is used at most of the on-site hydrogen stations in Japan, thus facilitating the shift to a hydrogen-based society. Main applications Hydrogen production (hydrogen stations, Ene-Farm home-use fuel cells) Washing cars Surface treatment washing (plating, coating, etc.) Boilers, air conditioning and humidifiers Experiments and analysis Products Wastewater treatmentt Pure Water Production Wastewater Treatment Equipment ND MINICHROPACK B-CLEPACK Ni-PACK F-PACK Swipe left or right to view more menu items. ND MINICHROPACK   Model 40 150 350 550 700 External dimensions Φ360×H947mm Φ600×H1,410~1,450mm Φ800×H1,745~1,765mm Φ900×H2,055~2,270mm Φ900×H2,309mm Operating weight 65 kg/tower 260 kg/tower 600 kg/tower 900 kg/tower 1,200 kg/tower Main applications and features Treatment of wastewater containing chrome and other metals Removal of impurities from plating solution, etc. Rinse water for surface treatment, etc. In-situ treatment of contaminated soil and groundwater Removal of coloring and chemical organic demand (COD) from other types of wastewater Main customers (lines of business) Plating, coating, auto parts manufacturing, aircraft parts manufacturing, electronic parts manufacturing, machine parts manufacturing, platemaking and printing, construction machinery manufacturing, chemical manufacturing, steelmaking, mining, construction (treating soil/groundwater contamination), environmental cleanup, waste disposal plants, landfills Models and Specifications Features by tower type Tower type Features of ion-exchange resin S Selective removal of Cr(VI) G Removal of cations of Cr(III), Pb, Cu, Zn, etc. H Refining of liquids, mainly by removing ions of Fe, Cu, etc. from Cr(III) solutions O Removal of anions of Cr(VI), SO4, Cl, NO3, etc. A Removal of Cr(VI), SO4, F, and other elements as well as slightly acidic ions of SiO2, CO2, etc. M Total removal of ions of Na, K, Ca, SiO2, CO2, etc. C Removal of organic matter and COD components Specification charts Model Total exchange capacity (approximately) (Eq/tower) Volume of ion-exchange resin (L/tower) Standard flow rate (m3/h) Treatment capacity (m3/tower)* CR-40 40 30~40 ≦0.5 40 CR-150 150 90~140 ≦2 150 CR-350 350 220~330 ≦4 350 CR-550 550 400~520 ≦4 550 CR-700 700 500~690 ≦10 700 * Treatment capacity is based on pre-treatment water quality with Cr(VI) = 52 mg/L, CaCO3 = 50 mg/L. GO model, quality of treated washing water for chromium plating Title of source material Cr6+ SO4 Na CI pH Conductivity mg/L μS/cm Washing water for chromium plating 35 12 14 8 6.1 300 Wastewater after treatment by an ND MINICHROPACK system Cr6+ SO4 Na CI pH Conductivity mg/L μS/cm Washing water for chromium plating <0.01 <0.1 <0.04 <0.1 <5.8 2 HH model, removal of iron ions from trivalent chromium solution Model and tower type combinations   CR40 CR150 CR350 CR550 CR700 CR1000 Treated wastewater quality SS   ● ● ● ● Selective removal of Cr(VI)Acid water (containing chloride ions) cannot be reused AA ● ● ● ● ● ● Alkaline, neutral, and acid waterAdsorption and removal of all anions GG ● ● ● ● ● ● Removal of acid water Cr(III), Al, Fe, etc.Refining of plating solutions, etc. HH ● ● ● ● ● ● Refining of solutionsMainly removal of Fe and Cu from Cr(III) solutions GO ● ● ● ● ● ● Deionized waterElectric conductivity ≧ 2 μS/cm GA ● ● ● ● ● ● Pure waterElectric conductivity ≧ 0.2 μS/cm GOM ● ● ● ● ● ● High-purity waterElectric conductivity ≧ 0.055 μS/cm GAM ● ● ● ● ● ● High-purity waterElectric conductivity ≧ 0.055 μS/cm MM ● ● ● ● ● ● High-purity pure waterElectric conductivity ≧ 0.055 μS/cm C ● ● ● ● ● ● Activated carbon towerRemoval of organic matter and COD components The figures are not guaranteed as the quality of treated water is subject to change based on the composition of pre-treatment water and other factors. Usage flow sheets FAQ Can ion-exchange resin be reused? Yes, ion-exchange resin can be regenerated and reused over and over. Different chemical solutions are used to regenerate different types of ion-exchange resin. How is wastewater containing hexavalent chromium treated? Generally through reduction treatment using sodium bisulfite or the like, or adsorption and removal using ion-exchange resin. What does “selectivity of ion-exchange resin” mean? The term refers to the way ion-exchange resin in solutions containing multiple elements triggers ion exchanges with certain elements over others. Highly acidic ion-exchange resin (H model) selects ions in the following order: Cr3+ > Al3+ > Pb2+ > Fe2+ > Ca2+ > Ni2+ > Cu2+ > Zn2+ > K+ > NH4+ > Na+ > H+ 純水製造装置一覧 可搬式 設備・装置 Swipe left or right to view more menu items. 可搬式 設備・装置 --> Aqua Solutions ND MINICHROPACK B-CLEPACK Ni-PACK F-PACK AQUA PACK MR PACK     Inquiries about Environmental Systems Business For inquiries by phone +81-3-6860-6814 Environmental System Marketing Dept. For inquiries via email Contact Form Company Information Company Message from the President Management Philosophy History Company Profile & Executives Locations Group Companies Our Business Business Ferroalloys Functional Materials Incineration Ash Recycling Aqua Solutions Electric Power R&D IR Information Investors Message from the President Stock Price Chart Medium/Long-Term Business Plan To Individual Investors IR News Financial Highlights Library Stock Information Calendar AGM Shareholder Return News FAQ Sustainability Sustainability Message from the President Sustainability Management Policy & Organization Materiality Environment Human Resources Society Governance Data Index Careers Careers Apply (Mynavi) Application Guidelines Meet our People Benefits Candidates We Seek Career Paths FAQ Nippon Denko at a Glance Nippon Denko Compendium Contact Us Nippon Denko at a Glance Contact Us Site Map Terms of Service Privacy Policy Site Map Terms of Service Privacy Policy Copyright (C) NIPPON DENKO CO., LTD. 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