Process for efficient separation of organic carbon source in sewage and energy development and utilization
A technology for organic carbon and source separation, applied in biological water/sewage treatment, multi-stage water/sewage treatment, water/sludge/sewage treatment, etc., can solve the problem of large chemical flocculation sludge production, difficult treatment and disposal, and high pollution problems such as sludge production reduction, significant environmental benefits, and organic load reduction
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[0016] The invention provides an efficient source separation and energy development and utilization process for organic carbon in sewage. The following combination figure 1 The examples cited illustrate the present invention.
[0017] The influent water is typical urban sewage, and the influent water volume is 10,000 tons / day. Urban sewage firstly coarse and fine grids and grit chambers, and then enter the primary sedimentation tank, at 8mL / L (or 9mL / L, or 10mL / L) Bacillus colloid microbial flocculant and 0.1mg / L polyacrylamide Under the combined action, most of the suspended organic matter, colloid and part of the dissolved organic matter in the sewage are settled. The initial settling time is 1.5h, fast stirring for 2 minutes, and slow stirring for 30 minutes; they are separated from the sewage in the form of primary settling sludge. The effluent from the primary sedimentation tank enters the sequencing batch biofilm reactor (SBBR) of the biological section for denitrificatio...
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