Removing hard scum and sludge from septic tank

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  • BPopov
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  • Ecologist involved with ecosanitation in Ukrainian Carpathians
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Removing hard scum and sludge from septic tank

Hello everyone! 
My colleagues at one of the monasteries in Ukraine need to clean their  8 cubic meters septic tank from acumulated sludge and scum.  However they found the layers of both are quite hard and it is difficult to break  and remove  with pumping out pipe.   Does anyone has suggestion of how to soften/dissolve a bit these layers and possibly prevent formation of those hard layers in the future?
Best,
Bogdan
Bogdan Popov
The Ecosolutions Forge
www.ecoforge.org
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  • Nicolas
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  • Independent consultant on WASH in developing countries
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Re: Removing hard scum and sludge from septic tank

Dear Bogdan,
we had similar problems in SouthAfrica with DEWATS settlers in which lots of scum accumulated in very short time.
Problem there was that connected households flushed a lot of animal fat down their drain and that the grease traps at household level were either not existing or not sufficiently effective, to remove that scum we had to dig with shovels...
Greetings, Nico
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  • AjitSeshadri
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  • Marine Chief Engineer by profession (1971- present) and at present Senior Faculty in Marine Engg. Deptt. Vels University, Chennai, India. Also proficient in giving Environmental solutions, Prof. Ajit Seshadri, Environment Consultant located at Chennai, India
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Re: Removing hard scum and sludge from septic tank

Dear Nicholas.

Prior to taking effluent to the Anaerobic Settlr, pre process is needed ie floating scum ( float trap chambers on twin basis given) and for removal of solid partcles ( mesh filter on twin basis given) are done.

Users are made aware that both floating matter viz. fat Etc.. and grit solid particles are removed individually from each feeder ww line.

Thse matters as are bio are composted as manures..

Well wishes.
Prof Ajit seshadri
Prof. Ajit Seshadri, Senior Faculty in Marine Engg. Deptt. Vels University, and
Environment Consultant (Water shed Mngmnt, WWT, WASH, others) Chennai, India
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