Method for culturing activated sludge for waste drilling fluid treatment
A technology of waste drilling fluid and activated sludge, which is applied in the direction of using microorganisms, mining wastewater treatment, anaerobic digestion treatment, etc., to achieve high load resistance, shorten cultivation and domestication time, improve tolerance and degradation Effect
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[0034] The present invention is a kind of activated sludge cultivation method for waste drilling fluid treatment, which comprises the following process steps:
[0035] 1. Acquisition of strains: Due to the complex composition of waste drilling fluid, special strains need to be added in order to make activated sludge more effectively tolerate and treat waste drilling fluid. Existing microorganisms, the present invention obtains bacterial classification by following two methods:
[0036] 1) Strain screening method: After enrichment, acclimation, separation and purification from the waste drilling fluid to be treated, some strains with good growth are obtained, and as composite strains, they can be used as a strain source for activated sludge cultivation. The strains obtained by this method can be preserved in the form of concentrated liquid, and can also be made into dry bacterial preparation, which is further convenient for preservation and transportation. Specific operation: ...
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