Method for treating persistent organic pollutant wastewater
A technology for organic pollutants and organic pollution, applied in the new process field of continuous wastewater treatment, can solve the problems of difficult treatment of industrial wastewater and high cost, and achieve the effect of reducing treatment costs and saving energy consumption
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Embodiment 1
[0030] Embodiment 1: the acquisition of basidiomycetes
[0031] The strains in this case can be purchased from the General Microbiology Center of the China Committee for the Collection of Microbial Cultures, or can be screened in nature through the following operations.
[0032] Select the wood with white rot in nature or the basidiomycetes grown in the forest after the rain as the strain screening source, and use tweezers to pick the internal tissue of the screening source after surface disinfection of the screening source with alcohol, and transfer it to Add streptomycin resistance screening plate, culture at room temperature until mycelium grows, and then purify the grown mycelium under sterile conditions, and after lignocellulose degradation evaluation, transfer the high-efficiency strain to the inclined test tube After being covered with mycelia, store in a refrigerator at 4°C for later use.
Embodiment 2
[0033] Embodiment 2: preparation of basidiomycete solid bacterial classification
[0034] The basidiomycete Pleurotus sp. (Pleurotus) slant strain preserved in the refrigerator was placed on the potato slant for activation. After culturing until the mycelium covered the slant, the mycelium slant was taken and inserted into the corn straw medium for cultivation. Place the culture for 7 days, and then carry out shallow plate expansion culture for 8 days to obtain the solid strains for opening.
Embodiment 3
[0035] Embodiment 3: the continuous treatment method of printing and dyeing wastewater (1)
[0036] Agricultural and forestry waste: rice straw, crushed to 10 mesh for later use.
[0037] Printing and dyeing wastewater: mainly contains various reactive dyes, oxidants and other printing and dyeing auxiliaries.
[0038] The solid bacteria prepared in Example 2 were inoculated into agricultural and forestry wastes at a ratio of 1:6 (mass ratio), the ratio of solid to liquid was 1:3, stirred evenly, and incubated at room temperature for 8 days to obtain the phase transfer carrier.
[0039] Divide 1000kg of the regenerated phase transfer carrier into 96 batches, add each batch to 3 tons of printing and dyeing wastewater for phase transfer, stir evenly, the phase transfer temperature is 30°C, and the phase transfer time is 2h; after each batch of phase transfer, immediately carry out another batch Phase transfer of organic pollutants in wastewater. Each batch of carriers after pha...
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