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首页> 外文期刊>International Journal of Applied Environmental Sciences >Evaluation of two-stage biological treatment with attached filter media on treatment of tofu-processing wastewater
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Evaluation of two-stage biological treatment with attached filter media on treatment of tofu-processing wastewater

机译：用附着过滤介质对豆腐加工废水处理的两级生物处理评价

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Tofu-processing wastewater treatment using combination of two-stage biological treatment with filtration system was assessed in relation to the process stability and efficiency. The biological treatments were operated anaerobic and aerobic, with filter media (river stone) was attached to one of the compartments in both anaerobic and aerobic reactor system. The two-stage . biological treatment was configured under different sequence include anaerobic-aerobic and aerobic-anaerobic system operated for 30 days. The results indicated that both systems enhanced the effluent quality in the same degree;however the anaerobic-aerobic system showed a better process stability over the aerobic-anaerobic system. The steady state point in the anaerobic-aerobic system was obtained from day 24 to day 30 with the fluctuation of~5% between days. While, in the aerobic-anaerobic system no process stability have been observed. The results further suggested that anaerobic treatment prior to aerobic treatment was preferable for treating tofu-processing wastewater.
机译：多阶段生物处理与过滤系统的组合的豆腐加工废水进行评估，与过程稳定性和效率进行评估。生物处理是厌氧和有氧运动的，用过滤介质（河石）附着在厌氧和有氧反应器系统中的一个隔室中。两阶段。在不同的序列下配置生物处理包括厌氧 - 有氧和有氧 - 厌氧系统操作30天。结果表明，两种系统在相同程度上增强了污水质量;然而，厌氧 - 有氧系统在有氧厌氧系统上显示出更好的过程稳定性。在第24天至第30天获得厌氧 - 有氧系统中的稳态点，波动在天之间的波动〜5％。虽然，在有氧厌氧系统中，没有观察到过程稳定性。结果进一步表明，在有氧处理之前的厌氧处理优选用于治疗豆腐加工废水。

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