Treatment method of oil-containing leachate of industrial solid waste
A technology of solid waste and treatment methods, which is applied in the fields of filtration treatment, contaminated groundwater/leachate treatment, water/sewage treatment, etc., and can solve the problems of large area occupied by equipment and structures, poor degreasing effect of animal and vegetable oils, and complex processes and other problems, to achieve the effect of small footprint, excellent degreasing effect and simple process
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Embodiment 1
[0022] like figure 1 As shown, a method for treating oily leachate of industrial solid waste specifically includes the following steps:
[0023] (1) Coagulation and air flotation treatment: The industrial production of solid landfill leachate stock solution sample I of an environmental protection group company is collected, and the analysis results of the main pollutant indicators are shown in Table 1 (the separation and degreasing of landfill leachate in different process sections in Examples 1-3). effect comparison table). 2.0m with an oil content of 363mg / L 3 The industrial solid landfill leachate sample I was continuously pumped into the coagulation-air flotation reaction chamber of the coagulation-air flotation reactor, and sodium hydroxide was added to adjust the pH to 7.0, and then the mass was continuously added under medium speed (150r / min) stirring. Fraction 20% polyaluminum ferric chloride solution 20L / m 3 , and continuously add coagulant quicklime 1kg / m after mi...
Embodiment 2
[0029] like figure 1 As shown, a method for treating oily leachate of industrial solid waste specifically includes the following steps:
[0030] (1) Coagulation and air flotation treatment: The industrial production of solid landfill leachate stock solution sample II of an environmental protection group company was collected. The analysis results of the main pollutant indicators are shown in Table 1 (the separation and degreasing of landfill leachate in different process sections in Examples 1-3). effect comparison table). 2.0m with an oil content of 2025mg / L3 The industrial solid landfill leachate sample II was continuously pumped into the coagulation-air flotation reaction chamber of the coagulation-air flotation reactor, and sodium hydroxide was added to adjust the pH to 8.0, and then the mass was continuously added under medium speed (150r / min) stirring. 20% polyferric sulfate solution 50L / m 3 , after mixing evenly, add coagulant sodium carbonate 2kg / m 3 , stir and mix ...
Embodiment 3
[0036] like figure 1 As shown, a method for treating oily leachate of industrial solid waste specifically includes the following steps:
[0037] (1) Coagulation and air flotation treatment: Collect sample III of water produced by the evaporation of solid landfill leachate industrially produced by an environmental protection group company. The main pollutant index analysis results of the evaporated water after treatment by permeation) + MVR (Mechanical Vapor Recompression Evaporator) are shown in Table 1 (a comparison table of the separation and degreasing effects of landfill leachate in different process sections in Examples 1-3). 2.0m with an oil content of 364mg / L 3 The industrial solid landfill leachate sample III was continuously pumped into the coagulation-air flotation reaction chamber of the coagulation-air flotation reactor, and sodium hydroxide was added to adjust the pH to 8.0, and then the mass was continuously added under medium speed (150r / min) stirring. 20% pol...
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