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Sludge removal from sludge tank

1. By the help of air-lift pump – partial sludging

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1. Switch off the blower and let the sludge settle for about 20 min.

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2. Put out the hose of the sludge tank air-lift pump from the blind flange and put it into the prepared container.

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3. Put the WWTP into the flow phase. (Switch on the blower and take out the end piece of the controlling float so, that increased water level in accumulation is simulated). 

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4. Remove the sludge into the container, until the sludge runs out from the air-lift pump. The stabilized sludge is possible to compost or to use as a fertilizer.

2. By the help of sludge pump – full sludging

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1. Let down the pump into the sludge tank and pump out the whole content of the tank.

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2. After pumping out of the sludge tank, fill the tank approx. to the half with pure water.

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