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Sewage WWTP: SLUDGE HOLDING TANK (Read 310 times)

Karan YaBB Newbies Offline I love Water and Wastewater.com Posts: 22 Company or Organization: University Malaysia Perlis	Sewage WWTP: SLUDGE HOLDING TANK Jan 15^th, 2012, 8:24pm I'm Karan here just join working in Sewage WWTP. I did encounter a problem where the sludge in sludge holding tank is getting harder and rising higher level in the tank. The sludge send to thickening tank process is working well, but still there is prob in sludge holding tank. Advise from member are appreciate.
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AZS Senior Member Offline Water and Wastewater.com is the best! Posts: 264 Gender: Company or Organization: OIL, GAS & UTILITIES	Re: Sewage WWTP: SLUDGE HOLDING TANK Reply #1 - Jan 16^th, 2012, 3:29am Hi , Does the sludge holding tank has any equipment installed in it ? or is it just a tank ? reg
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grrun God Member Offline WaterandWastewa ter.Com is the best! Posts: 3526 Pekin, IL Gender: Company or Organization: Freelance Environmental Engine	Re: Sewage WWTP: SLUDGE HOLDING TANK Reply #2 - Jan 16^th, 2012, 4:36pm Aeration of the holding tank contents may help this problem. grrun
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Geoff God Member Offline Posts: 1007 Gender: Company or Organization: Retired. :-)	Re: Sewage WWTP: SLUDGE HOLDING TANK Reply #3 - Jan 16^th, 2012, 9:50pm Karan, The forum can provide lots of help if you provide more technical details. We need to be able to "see" the problem to be able to assist.. Cheers
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Karan YaBB Newbies Offline I love Water and Wastewater.com Posts: 22 Company or Organization: University Malaysia Perlis	Re: Sewage WWTP: SLUDGE HOLDING TANK Reply #4 - Jan 17^th, 2012, 1:45am Thank you, Sorry for lack of info. The 2 twin tank consist of 1 mixer each. The sludge from this tank send to THICKENED SLUDGE HOLDING TANK. Btw, Mr. Grrun, i didnt understan what u saying.
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Karan YaBB Newbies Offline I love Water and Wastewater.com Posts: 22 Company or Organization: University Malaysia Perlis	Re: Sewage WWTP: SLUDGE HOLDING TANK Reply #5 - Jan 17^th, 2012, 2:15am My technician claim that the mixer is small size for the tank and this might cause the sludge not mix on top surface. This made the surface sludge hard.
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Geoff

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Re: Sewage WWTP: SLUDGE HOLDING TANK
Reply #6 - Jan 17^th, 2012, 2:17am

Karan,
Can you provide the following information:
- type of sludges (primary/secondary etc)
- approximate flow per day of each sludge type
- size and number of tanks
- operating parameters (i.e. sludge levels)
- target sludge density from the tank

Otherwise we are still trying to guess what your problem really is.

Cheers

« Last Edit: Jan 17^th, 2012, 10:22pm by Geoff »

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