Method for treating high salinity and high consistency industrial wastewater to realize waste control by waste
A technology for industrial waste water and waste treatment, which is applied in energy waste water treatment, water/sewage treatment, general water supply conservation, etc. It can solve the problems of not being able to ensure the low operating cost of waste water and meet the discharge standards, so as to improve the biochemical performance and BC ratio, detoxification effect
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[0037] Example 1
[0038] This embodiment takes as the object the intermediate wastewater and fine chemical wastewater of drugs with high concentration of organic pollutants, high salt content, high ammonia nitrogen, and complex pollutant components, which are difficult to treat, and adopts MVR evaporation process, three-dimensional overpotential electrolysis, and efficient composite bacteria The biochemical process processes and collects biogas for power generation to supply the electricity for the above process.
[0039] (1) Processing object:
[0040] The object to be treated is the production wastewater from the workshop of a chemical company in Shanghai, including: high-salt wastewater (QCC64, KC190, DBC80), low-salt wastewater (QCC64, KC190, DBC80), and other wastewater. The water quality is shown in the table 1. These wastewaters are composed of different production wastewaters, as shown in Tables 2 and 3.
[0041] Table 1. Water quality and quantity of treated wastewater
[0...
Example Embodiment
[0059] Example 2
[0060] 1 Overview
[0061] A pilot experiment was conducted on pesticide wastewater from a Jiangsu Green Chemical Co., Ltd.
[0062] 2.1 Test water quality
[0063] The specific water quality of pesticide wastewater is shown in Table 5.
[0064] Table 5. Water quality of pesticide wastewater
[0065]
[0066] 2.2 Test device and scale
[0067] One set of evaporation device with a processing capacity of 4L per batch; one set of partial dissolved air flotation device with a processing capacity of 5L per batch; a set of overpotential three-dimensional electrolysis device (patented in the United States) with a processing capacity of 10L / h; one facilitation tank , Effective volume 10L; 1 aerobic tank, effective volume 10L; Meijing efficient compound microorganism strain 8L (US patent).
[0068] 2.3 Process flow and description
[0069] Suggestions on pesticide wastewater treatment process Figure 4 .
[0070] This experiment is mainly for the treatment of the comprehensive wa...
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