Domestic landfill leachate treatment process steps?
Domestic landfill leachate treatment belongs to the field of wastewater treatment, composition and its complex biochemical low.
Lead to waste leachate treatment is difficult, complex process.
Chengdu water treatment equipment
to introduce the domestic landfill leachate treatment process steps?
1, the garbage leachate through leachate imports into the grille/grid, entered collection pool after preprocessing, pretreatment of waste leachate.
2, will receive the pretreatment of waste leachate, in turn, to lead in the level of oxygen pool denitrification, aerobic treatment in aerobic pond and endogenous denitrification in the secondary anaerobic pool, get the endogenous denitrification effluent, endogenous denitrification water part stated the reflow exports and mixture reflux pump, back to front denitrification, part of the outlet, enter the first MBR system, for the first MBR process, get the first MBR first MBR effluent and sludge, as described in the first part of the return sludge MBR sludge and sludge reflux pump via aerobic treatment, the residual sludge after export first excess sludge and sludge pump into the sludge dewatering sludge dewatering system.
3, will be the first among the MBR effluent into the pool after the access to the screening system for film screening, contains a high concentration of macromolecular organic wastewater and low concentration wastewater containing small molecule organic matter.
4, will receive a high concentration of waste water containing macromolecular organic matter into the macromolecular electric catalytic oxidation device, electric macromolecule catalytic oxidation, macromolecular electric catalytic oxidation wastewater, described in the macromolecular electric catalytic oxidation of wastewater oxidation wastewater by the return of the export of preoxidation pre denitrification.
5, will get low concentration wastewater containing small molecule organic matter into small molecule electric catalytic oxidation device, small molecule electric catalytic oxidation, get small molecule electric catalytic oxidation wastewater, described in the small molecule electric catalytic oxidation wastewater into the drains discharge after disinfection disinfection pool.
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