Method for treating sludge with heavy metals exceeding standard
A technology of heavy metals and heavy metal passivators, applied in sludge treatment, biological sludge treatment, etc., can solve the problem of not meeting the requirements of reduction, stabilization and harmlessness of sludge treatment and disposal, polluting groundwater, and massive infiltration Liquid and other problems, to achieve the effect of reducing land occupation area, improving ecology, and less environmental disturbance
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[0030] Example, treatment of sludge with excessive heavy metal content
[0031] 1. Preparation of aerobic microbial agents
[0032] The active ingredients of the aerobic microbial agent are composed of aerobic bacteria and facultative aerobic bacteria, the aerobic bacteria are Bacillus subtilis, Aspergillus niger and S. thermophila; the facultative aerobic bacteria are thermophilic fat Bacillus and Saccharomyces cerevisiae.
[0033] The above five types of bacteria were purchased from the China Industrial Microorganism Collection and Management Center (CICC). The deposit number of Bacillus subtilis is 10163, the deposit number of Bacillus stearothermophilus is 10208, the deposit number of Aspergillus niger is 2105, and the deposit number of the thermophilic side The deposit number of Sporomyces is 2441, and the deposit number of Saccharomyces cerevisiae is 1923.
[0034] Preparation:
[0035] 1. Separate various bacteria into powdered active bacteria: inoculate various bacteria (Bacil...
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