污泥膨胀
- 网络sludge bulking;SBR
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丝状菌污泥膨胀对COD去除率影响不大,但对膜污染有严重影响,膜清洗周期缩短到7d。
Sludge filamentous bulking had little effect on COD removal , but great on membrane fouling .
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在室温较低的情况(8~13℃)下,实验室试验中以人工配水为污水水源,采用连续进水间歇出水的SBR工艺时发生了丝状菌性污泥膨胀。
When synthetic wastewater was fed to a sequence batch reactor ( SBR ) using the mode of continuous water inflow and intermittent water outlet at low temperature ( 8 ~ 13 ℃) in the laboratory , sludge bulking caused by filamentous bacterium occurred .
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缺乏营养物质(N、P等)引起的污泥膨胀及其控制
Activated sludge bulking due to lack of nutrient and its control
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低pH值与低有机负荷引起的活性污泥膨胀及其恢复
Activated sludge bulking due to low pH value & organic loading and its resume
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间歇曝气法对AB工艺污泥膨胀的控制
Control for Sludge Bulking by Intermittent Aeration in AB Technigue
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提高曝气池的pH值在8.5左右的情况下,不经过预曝气,也可以控制已经发生的污泥膨胀。
In condition of increasing pH of aeration basin at 8.5 or so , sludge bulking can also be controlled without pre-aeration .
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SBR法处理工业废水中有机负荷对污泥膨胀的影响
Influence of organic loading on sludge bulking
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膜生物反应器(MBR)污泥膨胀控制对策的应用实例
Application on Control Methods of Sludge Bulking in Membrane Bio-Reactor
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低温时污泥膨胀对MBR中膜污染的影响
Effect of Sludge Bulking on Membrane Fouling of MBR Under Low Temperature
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MBR系统内丝状菌污泥膨胀的分子生态学解析
Molecule Ecology Analysis of Filamentous Bacterium Sludge Bulking in MBR
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SBR运行中污泥膨胀的发生原因分析
Activated Sludge Bulking in SBR Process
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SBR工艺污泥膨胀的纠正方法
Rectification of Sludge Bulking in SBR
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但是,这并不意味着SBR法不可能发生污泥膨胀,通过大量试验发现,在低负荷和沉淀及闲置时间过长时.SBR法也会产生污泥膨胀。
While low-loading and much longer settling and idling time , sludge bulking would occur in SBR .
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从水流流态及运转方式、流量和水质变化、其他环境因子(PH,温度,营养成分)等环境条件论述其对污泥膨胀的影响;
The environment conditions such as flowing state of the flow , operation manner , variation of water quality and other factors ( pH , temperature , nutrition ) etc.
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SBR抗冲击负荷能力较强,运行周期可灵活调整,自控程度高,无需另设二沉池,并可有效抑制污泥膨胀。
SBR has such characteristics as great shock-load resistance , flexible operational cycle , highly auto-control , secondary sedimentation tank exception and sludge bulking restraint .
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对于在驯化期间出现的污泥膨胀、DM培养液的添加时间和污泥驯化效果都进行了相应的讨论。
The phenomena of sludge bulking , the time of adding the DM and the results of the acclimated sludge are discussed during the acclimating aerobic denitrifying bacteria .
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低温15°C时,降低DO引发了严重的污泥膨胀,SVI值达到350mL/g以上;
Under the condition of low temperature of 15 (° C ), reduced DO caused serious sludge bulking , and SVI value reached above 350 mL / g.
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通过调整BOD负荷变化速率、提高混合液中的溶解氧含量,可使污泥膨胀得到有效控制。
Adjustment of variation rate of BOD loading and raising of DO content in mixed liquor can effectively control the sludge bulking .
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厌氧颗粒污泥膨胀床(EGSB)的工艺特征与运行性能
Characteristics and Advantages of Expended Granular Sludge Bed Reactor
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污泥膨胀会加剧膜污染,并导致NH3-N去除率下降,但对有机污染物的去除效果影响不大;
Sludge bulking will aggravate membrane fouling and decrease ammonia nitrogen removal rate , but has less influence on removal of organic pollutants .
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从碳水化合物含量高的废水、陈腐或腐化的废水、含有毒物质的废水、N、P含量不平衡的废水、低PH值的废水等方面论述进水水质对污泥膨胀的影响;
The factors affecting the sludge bulking were discussed from the aspects of wastewater quality , such as wastewater with high content of carbon hydrate , decayed wastewater , wastewater with toxic substance , wastewater with unbalanced content of N and P and wastewater with low pH value ;
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以啤酒废水为研究对象,用SBR法研究了进水中不同有机物与营养物缺乏程度(以BOD/N/P计)对活性污泥膨胀的影响。
The effect of nutrient deficiency ( evaluated by BOD / N / P ) on activated sludge bulking was studied specially in some experiments carried on a sequencing batch reactor fed with beer wastewater in paper .
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三相分离器的设计是厌氧颗粒污泥膨胀床(EGSB)反应器成功运行的关键。
The design of the three-phase separator is the key to the successful running of an anaerobic granular-sludge expanded-bed ( EGSB ) reactor .
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研究了厌氧颗粒污泥膨胀床(EGSB)反应器处理高浓度酵母废水的启动规律及微生物相。
Start-up laws and microbe for an anaerobic expanded granular sludge bed ( EGSB ) reactor were investigated , to treat high strength yeast wastewater .
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通过土豆食品加工废水处理的工程实例,指出在处理易生物降解和溶解性有机废水的SBR系统中,采用较高负荷运行会发生溶解氧偏低而造成的污泥膨胀。
Through an engineering example of potato food processing wastewater treatment , it is pointed out that sludge bulking can occur because of higher sludge loading which results in low dissolved oxygen concentration in sequencing batch reactor ( SBR ) used to treat easily biodegradable and dissolved organic wastewater .
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分析了颗粒污泥膨胀床(EGSB)的工艺特征以及特殊条件下的处理性能。
The process characteristics of a new type of anaerobic reactor , expended granular sludge bed ( EGSB ) reactor , and its treatment performance at a few special conditions were reviewed and evaluated .
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由于连续进水、连续出水的UNITANK系统在流态上接近完全混合,基质浓度梯度大大降低,这对于控制污泥膨胀是较为不利的。
Due to the flow pattern of continuous inlet and outlet UNITANK system is proximate to complete mixing with very low substrate gradient , it is unfavorable to sludge bulking control .
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工程实践表明,该工艺水解酸化段水力停留时间不宜超过5h,提高有机负荷能有效抑制污泥膨胀,选择DO作为SBR池曝气时间和反应周期的运行控制参数是可行和有效的。
The operation shows that the HRT of the hydrolytic acidification segment should not exceed 5 hours , increasing organic loading can effectively inhibit the sludge bulking , and it is effective and feasible to select DO as the operational parameters of controlling SBR reaction and aeration period .
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将厌氧污泥膨胀床(EGSB)分别与厌氧生物滤池、好氧生物滤池和活性污泥法串联并用其处理城市污水,考察了EGSB在常温下的工艺性能和去除有机物的机理。
Anaerobic expanded granular sludge bed ( EGSB ) process was combined in series respectively with anaerobic biofilter , aerobic biofilter , and activated sludge process for municipal wastewater treatment , and its process performance and mechanics in removal of organic matters at ambient temperature were investigated .
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营养物缺乏引起的丝状污泥膨胀研究
Research on the Filamentous Sludge Bulking Caused by Lack of Nutrients