| abstract |
Provided are a biological floc, a preparation method therefor and uses thereof in aquaculture, water purification, industrial water treatment, soil remediation and improvement, and sludge decontamination treatment, wherein the biological floc comprises a composted stalk powder, a first microbial bacterial agent, nitrifying bacteria and denitrifying bacteria, wherein the first microbial bacterial agent comprises Bacillus subtilis and a selective actinomycete. The method for preparing the biological floc comprises first adding the microbial bacterial agent to the composted stalk powder, and then successively adding the nitrifying bacteria and the denitrifying bacteria. Further provided is an organic fertilizer which comprises a sludge, a biological floc and fermenting bacteria. |