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首页> 外文期刊>Journal of industrial and engineering chemistry >Physico-chemical treatment applied to compost liquor: Feasibility study
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Physico-chemical treatment applied to compost liquor: Feasibility study

机译：物理化学处理应用于堆肥液：可行性研究

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Compost liquor was treated using a combination of physico-chemical processes: (i) lime precipitation, (ii) filtration on a rotary drum vacuum precoat filter, (iii) ultrafiltration, and (iv) reverse osmosis. Laboratory Jar tests showed the interest of using lime to precipitate compost liquor. Yields of ammonium removal up to 90% were obtained for an optimum lime concentration of 6 g L~(-1). A test was run at semi-industrial scale on 400 L of highly loaded compost liquor (COD: 15,800 mgL~(-1) ammoniacal pollution: 18,433 mg NH4~+-N L~(-1) conductivity: 74,000 μS cm~(-1)) to demonstrate the potential of the treatment process proposed. Outstanding purification yields were obtained, especially 95% of COD removal and 93% of ammoniacal pollution removal.
机译：使用多种物理化学方法处理堆肥液：（i）石灰沉淀，（ii）在转鼓真空预涂层过滤器上过滤，（iii）超滤，和（iv）反渗透。实验室广口瓶测试显示了使用石灰沉淀堆肥液的兴趣。最佳石灰浓度为6 g L〜（-1）时，脱铵率最高可达90％。在半工业规模上对400 L高负荷堆肥液进行了测试（COD：15,800 mgL〜（-1）氨污染：18,433 mg NH4〜+ -NL〜（-1）电导率：74,000μScm〜（- 1））证明所建议的治疗方法的潜力。获得了出色的纯化产率，尤其是95％的COD去除率和93％的氨污染去除率。

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