豆制品废水处理工艺探讨
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王延林,孙启康,杨贞建,王建峰,陆慧锋,周伟竹,陈小光
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Discussion of the treatment technology of soybean wastewater
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Yanlin WANG,Qikang SUN,Zhenjian YANG,Jianfeng WANG,Huifeng LU,Weizhu ZHOU,Xiaoguang CHEN
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表3 厌氧-好氧生物法处理豆制品废水效果
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Table 3 Treatment effects of soybean products wastewater by anaerobic-aerobic biological process
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| 工艺 | 废水种类 | 规模 | 进水COD/（mg·L-1） | COD去除率/% | 厌氧段COD容积负荷/（kg·m-3·d-1） | NH3-N去除率/% | 产气量/（m3·m-3·d-1） | CH4体积分数/% | 参考文献 | | 厌氧段 | 好氧段 | 总计 | | 厌氧+缺氧+好氧 | 稀释废水 | 小试 | 517 | — | — | 96.0 | 4.6 | 82 | 0.6 | 59.5~69.8 | 〔41〕 | | EGSB+SPMBR | 模拟废水 | 小试 | 12 000~15 000 | 88.0 | 90.0 | 99.0 | 12.3~15.3 | 35 | — | — | 〔42〕 | | IC-A/O | 实际废水 | 中试 | 8 000~10 000 | 90.0 | 96.0 | 99.2 | 9.5 | 90 | — | — | 〔43〕 | | IC-CAAC | 实际废水 | 中试 | — | — | 86.0 | — | — | 91 | — | — | 〔29〕 | | 厌氧+好氧 | 实际废水 | 生产规模 | 15 000~20 000 | 93.5 | 59.4 | 97.3 | 6.7 | — | 3.4 | 59.0 | 〔44〕 |
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