Method for restoring crude oil-polluted soil by using sludge generated in yeast production
A technology of polluted soil and sludge, applied in the field of environmental restoration, can solve the problems of difficult separation of oil and soil, achieve the effect of increasing soil permeability, improving micro-ecological environment, and promoting synergistic degradation
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[0019] The following examples further describe the application effects of the present invention, but do not limit the present invention.
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[0021] A method for remediation of crude oil-contaminated soil by yeast production sludge, including the detection of crude oil-contaminated soil, the detection of sludge produced by yeast, and the restoration, maintenance and detection of crude oil-contaminated soil by using yeast production to remove sludge; The feature is that the yeast production sludge containing 40-48% organic matter, 3.12-3.6% nitrogen, 0.28-0.56% phosphorus, and 5.38-6.1% potassium is directly used for the remediation of crude oil contaminated soil. The remediation steps are:
[0022] a) Use yeast containing 40-48% organic matter, 3.12-3.6% nitrogen, 0.28-0.56% phosphorus, and 5.38-6.1% potassium, with a water removal rate of 95-100%, to produce sludge directly used for crude oil Remediation of contaminated soil, mixing t...
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