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The best solution for tertiary filtration: high solid removal yields, minimum water and energy consumption. In the PEC – PEC VM (VM = metal tank) series, cloth washing is done with pumps, each of which is served by two or more discs. The pumps are actuated in sequence in order not to disrupt the functionality of the system. The PEC – PEC MT solution is ideal for small-medium unattended systems with heavy and extremely variable loads. The largest model of this series can process a load equal to a community of approximately 20.000 PE. The various models can be installed in parallel to obtain various working capacities. - Gravity filtration with limited head loss. - Continuous filtration without standby units for the backwash phases. - Cloth filter in polstoff free fibre provided with high mechanical strength. - High filtration rate (concentrations of TSS < 5 mg/l at discharge).

Sodium Hypochlorite 12% Aqueous solution of sodium hypochlorite in demineralized/decalcified water, obtained from the reaction between chlorine gas and an aqueous solution of sodium hydroxide, both substances obtained with mercury-free membrane technology. Physical specifications: Green liquid with pH about 11, solved in water with boiling point of 40° C. Stability and reactions: Slowly dissolved in the air, incompatible with hydrochloric acid, ammonia, urea, metals and methanol. Handling and storage: Keep away from sun shine, acids, heat, flammable materials and organic material. Keep in a dry place. CAS number 7681-52-9 WE number,231-668-3 Chemical formula NaOCl Molar mass 74,44 g/mol Customs tariff code,28289000

Hydrochloric acid 31% is a colorless transparent liquid Also known as muriatic acid or spirits of salt It is an aqueous solution of hydrogen chloride with the chemical formula HCl(aq) Physical specifications: HCl is a strong and highly corrosive acid Yellowish liquid with a distinctive pungent odor, soluble in water and dissolves in alcohols but insoluble in hydrocarbons. Stability and reactions: Stable and incompatible with metals, organic materials, alkalis, explosives, epoxies Properties and applications Boiling point / range 50°C Relative density >1123 kg/m3 @20°C food & pharmaceuticals industry chloroalkalies production processes water treatment processes for drinking water and industrial water production of industrial& household chemicals mining industry production of biofuels, oils and lubricants, galvanising and zinc plating textile industry and tanning CAS number 7647-01-0 WE number 231-595-7 Molar mass 36,45 g/mol Customs tariff code 28061000 ADR UN1789