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79 pages for “cat=approfondimenti&q=q%3Dchlorine”

Insights

Water pH control › pH and disinfection with chlorine

Chlorine added to water, whether sodium hypochlorite or trichloroisocyanurate, dissociates into hypochlorous acid and hypochlorite ion, in proportions that depend on pH. Hypochlorous acid is the form with the highest and fastest disinfecting power and prevails …

Also in: Why control pH

Insights

Legionella and regulations › Disinfection methods (Annex 13)

… must be monitored constantly, including the disinfectant concentration. Chlorine dioxide Produced on site with a generator; effective concentration 0.1 – 1.0 mg/l depending on the installation and the water, shock flushing 5 – 10 mg/l. More active than chlorin …

Also in: Comparison of treatments · Design and management of domestic water systems · Cooling towers, swimming pools and whirlpool baths · Action levels

Insights

Water treatment technology › All insights

… problems Insight → Drinking water Well water Analysis and disinfection Chlorine measurement Systems Insight → Swimming pools Private swimming pools pH and disinfectants Redox, cells and DPD Insight → Swimming pools · Regulations Pools for collective use UNI 10 …

Insights

Cooling tower water treatment › Treatment products

… promote corrosion, reduce heat exchange, clog nozzles and form sludge. Chlorine, hypochlorite, bromine, chlorine dioxide, hydrogen peroxide: they act by oxidation and are maintained with a measurable residual, which can be controlled continuously with Redox or …

Also in: Technical terms

Insights

Chemical compatibility › Resistance of materials to chemicals

… 4 unsatisfactory · – insufficient data. Search for a chemical or formula (e.g. hypochlorite, H2SO4) 490 entries Chemical Formula PVDF PP PVC 316 SS PMMA Hastelloy PTFE FPM EPDM NBR PE PharMed® BPT Acetaldehyde CH3CHO 3 2 3 1 3 1 1 3 2 3 1 4 Acetamide CH3CONH2 …

Insights

The pump does not prime or dose › Why the pump does not dose

… prime; the level probe prevents the problem. Chemicals that release gas Sodium hypochlorite and hydrogen peroxide release gas that accumulates in the pump head. Remedy: open the purge valve and let the gas out; for continuous use, a self-venting pump head. Sel …

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