養殖行業糞污綜合處置

河南快3正文 www.pyxdxm.com.cn 養殖廢水處理技術
Aquaculture wastewater treatment technology



■ 工作原理及特點 / Working principle & characteristics
養殖廠外排廢水的主要特征是:有機物濃度高、懸浮物多、色度深,并含有大量的細菌,因含有大量動物的糞尿而使NH3-N濃度很高。廢水中的污染物主要以固態、溶解態存在的碳水化合物形式存在,使廢水表現出很高的BOD5、CODcr 、SS和色度等,污染物可生物降解性好,此外廢水中含有大量的N、P等營養物質。廢水中的固體殘渣主要為有機物質,因此在工藝上先進行固液分離,固體物進行制作有機肥。對分離后的有機廢水進行厭氧—好氧串聯工藝處理,該工藝運行穩定,在能耗、投資、處理成本和治理效果方面都具有較大的優越性。處理后的污水達到《農田灌溉水質標準》(GB5084-2005)中水質標準。
1、工藝簡單,剩余污泥處置麻煩少,節約投資。
2、投資省、占地少、運行費用低。
3、反應過程基質濃度梯度大,反應推動力大,效率高。
4、耐有機負荷和毒物負荷沖擊,運行方式靈活,由于是靜止沉淀,因此出水效果好。
5、缺氧和好氧過程交替發生、泥齡短、活性高,有很好的脫氮除磷效果。
Plants discharge of waste water of main features are: high concentration of organic matter, suspended solids, deep chromaticity, and contains a lot of bacteria, because contain a large amount of animal manure and NH3 - N concentration is very high. Pollutants in wastewater mainly exist in solid state, dissolved the carbohydrates form, make the waste water showed high BOD5, CODcr, SS and chroma, biodegradable pollutants sex good, moreover wastewater contains large amounts of N, P and other nutrients. Solid residue mainly for organic matter in wastewater, so on craft to carry on the solid-liquid separation, first produced by solid organic fertilizer. After the separation of organic wastewater anaerobic - aerobic series process processing, the process operation is stable, the energy consumption, investment, processing costs, and governance effect has great superiority. Treated sewage reached the irrigation water quality standard (GB5084-2005) in the water quality standard.
1, the craft is simple, less surplus sludge disposal problems, save investment.
2, the investment province, covers an area of less, low operating cost.
3 substrate concentration gradient, reaction process and reaction force, high efficiency.
4, impact resistance to toxic organic load and load, flexible operation mode, because the precipitation is stationary, so water effect is good.
5, alternating hypoxia anaerobic-aerobic process, sludge age is short, high activity, good denitrification and phosphorus removal effect.

    

  

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