Water Treatment Chemicals

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Aluminium sulphate is a chemical compound with the formula Al2(SO4)3 it is soluble in water and is mainly use...

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Ferrous sulfate appears as a greenish or yellow-brown crystalline solid. Density 15.0 lb /gal. Melts at 64 °C and loses the seven waters of hydration at 90 °C. The primary hazard is the threat to the environment.

Approx. Rs 160 / KgGet Latest Price

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Chemical Nature:Copolymer of acrylamide and acrylic acidApplication Areas: Polyelectrolyte for the conditioning of a variety of municipal and industrial substrates prior to mechanical or static solid/liquid separation.Benefits:Highly effective across a wide range of applications including mechanical dewatering, thickening, flotation, and clarification. Operation over a wide pH range (4-9).

Approx. Rs 12.50 / KgGet Latest Price

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Bleaching powder is chemically, calcium oxychloride (CaOCl2). Bleaching powder is manufactured using Backmann’s plant in which slack lime and Chlorine are made to react to create Bleaching Powder.

Bleaching powder is a yellowish white powder with a strong smell of chlorine. When exposed to air, bleaching powder gives a smell of chlorine. This is because bleaching powder reacts with carbon dioxide from the atmosphere to produce calcium carbonate and chlorine.

 

How bleaching Powder bleaches?

In the presence of a very small amount of dilute acid, it gives nascent oxygen. Due to the evolution of nascent oxygen, it acts as an oxidising and a bleaching agent.

2CaOCl2 + H2SO4 → CaCl2 + CaSO4 + 2HOCl

2HOCl → 2 HCl + 2 [O]

When it is treated with excess of dilute acids, chlorine is evolved. Chlorine gas produced in this way is known as, “available chlorine” which is responsible for the bleaching action of bleaching power. Available chlorine in bleaching powder is usually 35 – 38% by weight. The strength of bleaching powder is estimated on the basis of available chlorine content.

CaOCl2 + H2SO4→ CaSO4 + H2O + Cl2

CaOCl2 + 2HCl→ CaCl2 + H2O + Cl2

Bleaching powder is used to bleach cotton and linen in textile industry and wood pulp in paper industry. It is also used to bleach washed clothes in laundry. Bleaching powder is also used as a disinfectant and germicide, since it liberates chlorine on exposure to the atmosphere which destroys the germs. It is also used for disinfecting water for the same reason. It is also used as an oxidising agent in many chemical industries

Approx. Rs 8 / KgGet Latest Price

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Hydrochloric acid, also known as muriatic acid or spirits of salt, is an aqueous solution of hydrogen chloride with the chemical formula HCl(aq).