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Sunday, May 15, 2016

OPERATION MANUAL FOR 10 KLD ETP CHEMICAL DOSE OF ALUM

OPERATION MANUAL FOR 10 KLD ETP

OPERATION INSTRUCTION :

1.         The total quantity of waste water from kitchen for which the ETP is designed is 10,000 liter per day. The unit functions 8 hours in a day .There is no flow at day.The ETP is designed for continuous flow treatment of effluent at a average flow rate of 1250 liter per hour. The air blower will have to be run continuously for mixing of chemicals in reaction tank and flocculation tanks.
2.         Allow all the effluent of the day generated to enter the underground collection tank. Collected effluent is planned to be pumped continuously for eight hours at a average flow rate of 1250 liter per hour . The plant and machinery cant take more than this flow.
.

CHEMICAL DOSING  :

1.   Lime, add 20 Kg per day to maintain pH at 10 at collection tank. Check pH at Collection tank after adding lime manually. pH maintaining is extremely important or alum will not work properly. Use it up in one day.
2.    Alum, add 15 Kg in the auto doser tank of the reaction tank in 100 liter of water and use it up in one day. pH will come down to 8 after addition of alum.
3.   PAC, add 100 gm in the auto doser tank in the flocculation tank and use it up in one day.


COMMON INSTRUCTION FOR ETP  :
1.   When the pumps are on, the blower must be on also for mixing the chemicals with water. Note down the time in log sheet.
2.   The Auto doser for alum in reaction tank should be on when pump is on. Note down the time in log sheet
3.   The Auto doser for PAC in flocculator should be always on continuously when pump is on. Note down the time in log sheet
4.   Fill the auto doser tank with fresh water and mix the estimated chemical in it for the day and set it at the desired dose. Note down the time and quantity in log sheet
5.   Preventive maintenance of pumps and blowers like oiling etc should be regularly done.
6.   Note down the pH of the inlet and outlet water and note it at log sheet.
7.   The waste sludge from tube settler is to be suitably disposed off to the sludge drying bed by opening the valve provided at the hopper bottom of the tube settler.
8.   Backwash the Sand filter and carbon filters after each 4 hours.
9.   Raw and treated effluent is to be analyzed periodically for pH, TSS, BOD and O&G. .

10.Skilled Operator will be required  to carry out all these instructions.

11.The operator will maintain a log book. And chemical stock registers.


12. The performance of the ETP is dependent on the proper skill of the operator and proper chemical dosing.

2 comments:

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Venessa said...

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