Method for promoting ferment acid production of excess sludge through soapnut saponin production leftovers
A technology of sapindus saponin and excess sludge, which is applied in biological sludge treatment, fermentation, chemical instruments and methods, etc., can solve the problems of increasing excess sludge output, increasing operating costs, and being uneconomical, and achieving the realization of The effect of reducing excess sludge, increasing acid production and realizing resource utilization
Inactive Publication Date: 2016-04-20
JINGGANGSHAN COLLEGE
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The invention discloses a method for promoting ferment acid production of excess sludge through soapnut saponin production leftovers. The method includes the steps of firstly, drying the soapnut saponin production leftovers; secondly, putting the soapnut saponin production leftovers into concentrated excess sludge; thirdly, conducting anaerobic fermentation on the excess sludge; fourthly, conducting solid-liquid separation on ferment liquid to obtain clear liquid containing volatile fatty acid. By adding the soapnut saponin production leftovers, the hydrolysis fermentation acid yield of the excess sludge is increased, and meanwhile the resource utilization of the soapnut saponin production leftovers and the consumption decrease of the excess sludge are achieved.
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