共查询到19条相似文献,搜索用时 62 毫秒
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MBR(膜生物反应器)是膜分离技术与生化处理技术有机结合的一种新的污废水处理系统。近年来,在污废水处理领域中的应用逐渐增多,成为了一个研究热点。本文简单综述了MBR在国内外的发展状况,论述了其净化原理,介绍了几种在污水处理领域中应用的MBR技术,总结了目前MBR技术面临的挑战和未来的发展前景。 相似文献
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西泉眼水库污染防治项目是运用MBR膜技术的污水处理工程,主要任务是解决哈尔滨市西泉眼水库由旅游风景区向供水水源地转化后的库区内生活污水净化问题,经过多方案比较,确定采用世界领先的并由水利部推广使用的MBR膜污水处理工艺。 相似文献
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MBR在医院污水处理领域中的应用分析 总被引:2,自引:1,他引:2
对我国各大城市医院污水处理系统中病原微生物状况的调查表明:膜生物反应器将减少出水中悬浮物、降低后续消毒剂投加量、减少污泥的产量及气溶胶的排放三大特点结合起来,适用于我国医院污水的处理.现有工程实践表明:MBR与传统的医院污水处理工艺相比,可以有效节约消毒剂用量(投氯量可降低到1 mg/L),缩短接触时间(>1.5 min即可),微生物灭活效果好,对于降低消毒工艺的运行费用,减少消毒剂残留对自然生态环境的影响具有积极意义. 相似文献
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以某核电厂900m3/d生活污水处理工程为例,详细介绍了污水处理的工艺流程、设计参数,总结分析了工艺设计的技术特点和要求。MBR技术作为一种高效的污水处理技术,具有广阔的应用前景。 相似文献
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陈忠宝 《河北水利水电技术》2011,(5):24-26
按照国家排放标准DB21/1627--2008(JZ宁省污水综合排放标准》中排入城镇收集管网的排放标准,采用MBRT.艺技术处理可使卅水水质达到COD29≤200mg/L、BOD5≤100mg/L、NH3-N≤20mg/L、SS≤20mg/L、pH6-9。 相似文献
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按照国家排放标准DB 21/1627-2008《辽宁省污水综合排放标准》中排入城镇收集管网的排放标准,采用MBR工艺技术处理可使出水水质达到CODσ口≤200mgL、BOD5≤ 100mg/L、NH3-N≤20mg/L、SS≤20mg/L、pH6~9. 相似文献
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沸石滤料生物滤池用于生活污水脱氮处理研究 总被引:10,自引:0,他引:10
为了去除生活污水中的氨氮,开发了沸石滤料生物滤池工艺,设置了13种工况对此生物滤池进行应用研究。试验结果表明,该工艺是一种经济实用的生活污水脱氮处理工艺。氨氮去除率稳定可以作为生物膜培养成功的标志。水力负荷的提高使氨氮的去除率明显下降,对CODCr去除影响则不大,最佳水力负荷为3m/h;同一工况下,生物降解稳定时,氨氮和CODCr去除容积负荷与其进水容积负荷呈线性相关,去除效果稳定;20-30℃是该工艺运行的最佳温度,低温下可适当延长停留时间;气水比为1:1即可使出水中溶解氧充足。 相似文献
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微生物燃料电池在废水处理中的应用进展 总被引:2,自引:0,他引:2
微生物燃料电池(M icrob ial Fuel Cell,MFC)是一种以微生物为催化剂,将有机物中的化学能转化成电能的装置,它具有原料广泛、反应条件温和、清洁高效等优点。简述了MFC的原理、分类及特点,总结了该技术在废水处理中的应用进展,包括处理模拟废水、生活污水、工业废水及其他领域废水,最后也指出了该技术目前存在的问题和今后的发展方向。 相似文献
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生物除臭在污水处理厂中的应用 总被引:8,自引:0,他引:8
介绍了污水处理厂臭气测定方法、气味物质浓度设计值及除臭需满足的标准,并重点说明了厌氧池除臭工艺选择及生物除臭系统工程设计,最后根据除臭系统运行情况总结了设计经验。 相似文献
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介绍了用一体式膜生物反应器(M BR)处理焦化废水的技术,讨论了对焦化废水中的COD,NH3-N和浊度的去除效果及影响因素。实验结果表明,一体式膜生物反应器用于处理焦化废水在技术上是可行的,调整合适的操作参数,其对焦化废水中的COD,NH3-N和浊度的平均去除率分别达到80%、95%、90%以上,操作简单,出水水质好,稳定,且优于国家一级排放标准,有一定的推广意义。 相似文献
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Yaneth A. Bustos-Terrones Erick R. Bandala Gabriela E. Moeller-Ch avez Victoria Bustos-Terrones 《水科学与水工程》2022,15(2):125-133
In this study, a microbial consortium isolated from an activated sludge tank of a conventional wastewater treatment plant was immobilized using sodium alginate (SA) as a support material for contaminant biodegradation in wastewater. A volume of 500 mL of activated sludge was immobilized in the SA beads (with a mass concentration of 25 g/L). The resulting SA beads were characterized, introduced into a fluidized bed reactor, fed with 1000 mL of the sample, and characterized again after the treatment process. The SA-immobilized microorganisms were tested first for degradation of organic matter (expressed as chemical oxygen demand) and total phosphorous in domestic wastewater, achieving removal efficiencies of 71% and 93%, respectively, after 12 h. Subsequently, the SA-immobilized microorganisms were tested for degradation of a basic blue 9 (BB9) textile dye in a condition that simulated textile wastewater. The efficiency of the BB9 degradation was found to be as high as 99.5% after 2 h. According to these results, SA-immobilized microorganisms were found to be an environmentally friendly and cost-effective alternative for treatment of municipal and industrial wastewater effluents. 相似文献
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介绍了一种新型构筑物——搪瓷罐体在污水处理厂改造工程中的施工和应用,讨论了工程中搪瓷钢板的施工管理和验收。搪瓷罐体的应用有利于简化污水处理构筑物的施工过程。 相似文献
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An expanded-bed anaerobic reactor with granular activated carbon (GAC) medium has been developed to treat wastewaters that contain a high concentration of inhibitory and/or refractory organic compounds as well as readily degradable organic compounds. The process is characterised by a combination of two removal mechanisms; adsorption on GAC and biological degradation by microorganisms grown on GAC. Applicability of the reactor to treatment of phenol, chloroacetaldehyde (CAA), pentachlorophenol (PCP) and tetrachloroethylene (PCE) was discussed based on experimental data. All chemicals focused on here were removed well and stably at a removal efficiency of more than 98% even during starting operation and shock load operation. Chemicals in influent that exceeded biological degradation capacity was initially adsorbed on GAC and then gradually degraded, and hence the adsorptive capacity of GAC was regenerated biologically. These results proved that a biological activated carbon anaerobic reactor was effective for treatment of wastewater containing hazardous chemicals, especially for strongly absorbable chemicals, as well as readily degradable organic compounds at high concentration. 相似文献