水解酸化+两级SBR工艺处理天然气净化废水与回用

Environmental Engineering(2010)

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Abstract
天然气净化废水水质水量波动大,且含有大量难降解物质,一直难以稳定达标。本工程采用水解酸化+两级SBR法工艺处理天然气净化废水,在进水均值ρ(COD)=943 mg/L、(ρBOD)=268 mg/L、ρ(NH3-N)=30.5 mg/L时,出水均值ρ(COD)=37.4 mg/L、ρ(BOD)=4.7 mg/L、ρ(NH3-N)=1.9 mg/L,完全达到GB8978-1996《污水综合排放标准》一级标准,工程运行稳定。出水回用于循环冷却、绿化、冲厕、道路冲洗等,回用率达到100%,实现了废水零排放。
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Key words
SBR,reuse,wastewater treatment,natural gas purification
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