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首页> 外文会议>Membrane technology 2008 >RECLAIMING MUNICIPAL AND INDUSTRIAL WASTEWATER USING COMBINEDMEMBRANE BIOREACTOR AND REVERSE OSMOSIS
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RECLAIMING MUNICIPAL AND INDUSTRIAL WASTEWATER USING COMBINEDMEMBRANE BIOREACTOR AND REVERSE OSMOSIS

机译：结合膜生物反应器和反渗透技术回收市政和工业废水

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Gippsland Water is implementing the Gippsland Water Factory (GWF) to reclaim 35,000 m~3/dayrn(9.2 mgd) of municipal and industrial (pulp and paper) wastewater to a quality matching thernpristine quality of the existing raw water supply. Bench- and pilot-scale testing supported multicriteriarnanalysis to select the most sustainable approach, which consists of separate treatment inrnparallel treatment trains of the municipal and industrial wastewater using membrane bioreactorrn(MBR) technology followed by reverse osmosis (RO). Primary treatment is incorporated intornthe municipal treatment train, while the industrial treatment train includes anaerobic pretreatment.rnIndustrial MBR effluent will be pre-treated by ozone followed by biological activatedrncarbon (BAC) prior to RO to reduce fouling caused by non-biodegradable organics in thernindustrial MBR effluent. The industrial anaerobic pre-treatment unit is also being used tornstabilize primary and waste activated sludge prior to dewatering. Anaerobic pre-treatment ofrnindustrial waste helped minimize MBR membrane fouling. Results demonstrate that additionalrntreatment is needed to reclaim the difficult to treat industrial wastewater due to RO membranernfouling. Organics levels must be reduced to allow a chloramine residual to be maintained, asrnwell as to control fouling organics. The project is being implemented using an alliance model.rnMembranes were selected using monetary and non-monetary criteria. Stage 1, which willrnreclaim the municipal wastewater, is currently under construction and Stage 2, which will allowrnreclamation of the industrial wastewater, is being planned. Bench- and pilot-scale testing tornrefine the Stage 2 facilities is continuing.
机译：Gippsland Water正在实施Gippsland水厂（GWF），以回收35,000 m〜3 / dayrn（9.2 mgd）的市政和工业（纸浆和造纸）废水，其质量与现有原水供应的原始质量相当。基准测试和中试规模测试支持多标准分析，以选择最可持续的方法，该方法包括使用膜生物反应器（MBR）技术对市政和工业废水进行并行处理，然后再进行反渗透（RO）。初级处理已纳入市政处理系统，而工业处理系统包括厌氧预处理。工业MBR废水将在进行RO之前先进行臭氧预处理，然后进行生物活性炭（BAC）臭氧处理，以减少工业MBR中不可生物降解的有机物造成的结垢。废水。工业厌氧预处理装置还用于在脱水前稳定初级和废料活性污泥。工业废物的厌氧预处理有助于最大程度地减少MBR膜结垢。结果表明，需要进行额外的处理以回收由于反渗透膜结垢而难以处理的工业废水。必须降低有机物含量，以保持氯胺残留，以控制有机物结垢。该项目正在使用联盟模型实施。使用货币和非货币标准选择膜。目前正在建设第一阶段，将回收市政废水，而第二阶段将计划回收工业废水。进一步完善第二阶段设施的基准和中试规模测试仍在继续。

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