reverse osmosis plant sewage treatment plant in chennai water softening plant
Sewage Treatment Plant

Sewage Treatment Plant

Design , Supply, Erection & Commissioning of 10 KLD to 300 KLD Pakaged Type Sewage Treatment Plant More »

Industrial Reverse Osmosis Plant

Industrial Reverse Osmosis Plant

We design, manufacturing Erection & commissioning of Industrial RO plants for varied industries on turnkey basis in Chennai Tamilnadu India. More »

Water Treatment Plant

Water Treatment Plant

We design, manufacturing Erection & commissioning of water treatment plants for varied industries on turnkey basis in Chennai Tamilnadu India. RRR ENVIRO SYSTEMS offers a wide variety of options for purification of water from different sources either from surface water sources or ground water sources. More »

Water Softening Plant

Water Softening Plant

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Chemicals

WTP , RO , STP, ETP Chemical Manufacturer , dealer , Supplier in Chennai  Tamilnadu India

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The pH should be raised to about 9.5 and excess lime is stabilized. More expensive than alum.

The most commonly used coagulants in water treatment are: Aluminum Sulfate (Alum) Al2(SO4)3. Ferric Sulfate Fe2(SO4)3. Ferric Chloride FeCl3.

2Al(OH)3 + 3H2SO4 + 10H2O → Al2(SO4)3·16H2O. When ALUM is dissolved in alkaline water, it undergoes hydrolysis (reacts with water) to produce a high surface area gelatinous precipitate of aluminum hydroxide, Al(OH)3 (gibbsite) (Al(OH)3 sticks the negatives. When ALUM is reacted with water it hydrolyzes to form aluminum hydroxide and dilute sulfuric acid (lowers pH) Need alkalinity adjustment.

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reverse osmosis plant sewage treatment plant in chennai water softening plant