厭氧-好氧工藝處理造紙廢水工程實(shí)例及清潔生產(chǎn)
更新時(shí)間：2014-07-15 15:54
來源：環(huán)境工程學(xué)報(bào)
作者:
閱讀：2317
| 中文摘要: |
| 介紹了萬隆造紙廠廢水處理工程改建實(shí)例，分析了厭氧 好氧工藝相比原好氧工藝的優(yōu)勢(shì)及其運(yùn)行狀況與處理成本。工程改造并實(shí)行清潔生產(chǎn)后，污染物質(zhì)排放總量明顯減少，水質(zhì)可達(dá)到GB18918-2002一級(jí)A標(biāo)準(zhǔn)，滿足一般回用水的質(zhì)量要求，同時(shí)與原有的好氧生物處理工藝相比可節(jié)省動(dòng)力約55%。工程采取節(jié)水措施后，產(chǎn)品耗水量?jī)H為7～9 m3/t，有效控制了水資源消耗。通過運(yùn)行狀況可知活性污泥法作為厭氧后處理工藝操作控制方便，并可在較低溶解氧（0.9～1.2 mg/L）條件下運(yùn)行，有效減少了能耗，是實(shí)際工程中較為理想的厭氧后處理工藝。 |
| 英文摘要: |
| The wastewater treatment reconstruction project in Wanlong Paper Mill was introduced. The operational process and treament costs were compared， it could be concluded that anaerobic-aerobic process was more advantaged than the former aerobic treatment process. After the reconstruction of the project and clean production accomplished， the effluent quality could achieve first grade discharge standard of GB 18918-2002 and the recycle requirement of reuse water. Meanwhile， the energy costs of the new process were reduced by 55%， comparing with the former aerobic biological treatment technology. With the water conservation technology， the water comsumption for per unity unit product was just 7～9 m3/t， protecting the water resource effectively. The result indicated that as a developed post-treatment process， the activated sludge system was convenient to be operated， while the dissolved oxygen concentration was low (0.9～1.2 mg/L)， it presents an attractive characteristic of low energy consumption. |
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