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首页> 外文期刊>Australian Journal of Dairy Technology >Removal of salts from dairy processors effluent via reverse osmosis - results from lab and pilot-scale trials
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Removal of salts from dairy processors effluent via reverse osmosis - results from lab and pilot-scale trials

机译：通过反渗透去除乳制品加工商废水中的盐-实验室和中试规模的试验结果

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摘要

The aim of this study was to investigate the feasibility of reverse osmosis (with micro- and ultrafiltration pre-treatment) for salt removal from various dairy liquid waste streams, including CIP caustic solutions, salty whey, ion exchanger regeneration solution and final effluent (after biological treatment). Laboratory scale investigations were carried out on all the streams mentioned above followed by pilot-scale trials on spent caustic solutions and salty whey. Samples were analysed for pH, electrical conductivity, total suspended solids, chemical oxygen demand and nutrients. The trials demonstrated the suitability of reverse osmosis (with micro- and ultrafiltration pre-treatment) for salt removal from various liquid streams from dairy industries. However, the options for the concentrated retentate stream need further consideration in most cases.
机译：这项研究的目的是研究反渗透（微滤和超滤预处理）用于从各种乳制品废液中去除盐的可行性，这些废液包括CIP苛性碱溶液，咸乳清，离子交换剂再生溶液和最终流出物（经过生物处理）。对上述所有物流进行了实验室规模的研究，然后对废碱溶液和咸乳清进行了中试规模的试验。分析样品的pH，电导率，总悬浮固体，化学需氧量和养分。试验证明，反渗透（微滤和超滤预处理）适用于从乳制品行业的各种液体流中去除盐分。但是，在大多数情况下，浓缩滞留物流的选择需要进一步考虑。

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