| abstract |
The present invention discloses a heavy metal treatment composite microbial agent in water and a preparation method thereof, belonging to the field of heavy metal treatment. The microbial agent of the present invention is prepared from the following components in parts by weight: 20-30 parts of Pseudomonas , 15-30 parts of Bacillus , 5-15 parts of Staphylococcus , and 5-15 parts of Pichia pastoris . The microbial agent of the present invention can quickly and efficiently adsorb and remove heavy metal ions, and the removal efficiencies of the microbial agent of the present invention on the cadmium, copper, lead and chromium after 2 d reach 81.0%, 56.5%, 52.0% and 74.0% respectively, wherein the adsorption and removal effects on the cadmium and chromium are most obvious. In addition, the microbial agent of the present invention can effectively improve the removal efficiency of the pollutants in the sewage to be treated, can achieve 80% CODMn removal rate or more, 85% TN removal rate or more, 80% TP removal rate or more, and 80% NH 4 + -N removal rate or more with a small amount, meets the pollutant discharge standards of the sewage treatment plant, and has a good application prospect. |