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Sunfloc Anionic Polyelectrolyte for Silt and Thermal Power Ash in Vijayawada

Krishna water at the Prakasam Barrage runs from clear to heavy with silt. Anionic polyacrylamide (PAM) after the coagulant scales with it.

Anionic SunflocKrishna flood waterclear watersettled sludge drawn offAnionic Sunfloc on the Krishna
Flood water can need several times the summer dose.

A worked example for a thermal-power ash-water circuit

Take a thermal-power ash-water circuit: 1,800 m³ a day at 0.6 mg/L is 1.08 kg of Sunfloc Anionic a day, about 32.4 kg a month. Made up at 0.1%, that is 1,080 litres of solution a day. These figures are illustrative; a jar test on your own effluent sets the real dose.

Ash slurry is heavy and settles quickly; the aim is a clear return, not a bigger floc.

A river that changes character

The water taken at the Prakasam Barrage follows the river: low and clear in summer, silt-laden in flood. Plants add a coagulant and then an anionic grade, Anionic HQ for instance, and raise the dose as turbidity rises.

Thermal power and ash

Raw water pre-treatment and ash-handling water at thermal plants use anionic grades after the coagulant, keeping cooling and boiler make-up water clean.

Take 12,000 m³ a day at 0.6 mg/L: that is 7.2 kg of polymer daily, and at 0.1% about 7,200 litres of solution.

Flood-season stock

In a Krishna flood, test raw water every day and hold extra polymer, because doses can multiply and the roads slow down. About 450 km from Chennai, Vijayawada is normally one to two days away. The Andhra Pradesh Pollution Control Board regulates units. For rice mills and dairies, see cationic polyelectrolyte for Vijayawada.

Anionic Sunfloc questions from Vijayawada

How much can the dose rise in a flood?

Several times over. Jar-test daily.

Is it suitable for ash water?

Yes, anionic grades are used on ash-handling water.

How long is delivery?

One to two days by road.

Start an Anionic Sunfloc trial in Vijayawada

Water works and power plants near Vijayawada: send a litre of raw water in flood for a free jar test.

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