Research on Control Strategy and Working Characteristics of Internal-loop Granular Sludge Bed Shortcut Nitrifying Reactor
Acclimatization and Application of the Granular Sludge in an Upflow-Anaerobic-Sludge-Blanket (UASB) Reactor
在 UASB 反应器中 颗粒污泥的培养与应用研究
Physical Properties and Chemical Composition of the Acidogenic and Methanogenic Granular Sludge in A Twophase UASB Reactor
二相UASB反应器中产酸 颗粒污泥和产甲烷 颗粒污泥的物理性质和化学成分
STUDY ON STABILITY SUBSTRATE-METABOLISM AND INTERSPECIES H_2 TRANSFER OF GRANULAR SLUDGE WITH HIGH ACTIVITY
Study on the Process and Modelling of Twophase Granular Sludge UASB Reactor coupled with Anionic Exchange Units
Influence of pH value on simultaneous nitrification and denitrification process of aerobic granule sludge.
Micro-ecological Characteristics of Granule Sludge in Anaerobic Baffled Reactor(ABR)
It was steady to avoid acidification as pH of effluent of the UASB reactor was in the range of 7.9~8.0.Specific methanogenic activity of granule sludge in UASB reactor was higher when organic loading rate was up to 10~12 kgCOD/m3·d, and activity of sludge of the system of UASB reactor was in the optimum situation.
UASB反应器内出水pH在7.9～8.0范围内,系统的稳定性较高,可避免反应器出现酸化等失稳现象。 OLR为10～12 kgCOD/m3·d时,UASB反应器中 颗粒污泥的比产甲烷活性较高,此时UASB反应器系统中的污泥活性处于最佳状态;
This study investigates the removal of COD and NH3-N by aerobic granule sludge, which is nearly 70% and 90% in average respectively.
The extra experiment has been introduced, which was the study on the influence of trace element such as MgCl_2, FeCl_2, CoCl_2, NiCl_2 on aerobic granule sludge.
PCP degrading anaerobic sludge granules may be developed in upflow anaerobic digestion reactors(UAD) seeded with sludges acclimated to chlorophenols,the reactors are able to remove more than 99.5 % of PCP in a synthetic wastewater at the concentration of 170 to 180 mg/L,volumetric loading rate up to 200 to 220 mg/(L.d),and hydraulic retention time of 20 to 22 hours.
在以氯苯酚驯化污泥接种的上流式厌氧反应器中可形成降解PCP的厌氧 颗粒污泥。 在HRT20－22h、PCP负荷率200－220mg／（L·d）时，该反应器可有效地处理合PCP170－180mg／L的废水，PCP去除率大于99．5％。
The aerobic sludge granules could degrade PAM in wastewater from 350 mg/Lto150 mg/L when HRT was 144 h. The removal ratio of PAM reached 57% .
Culture of Aerobic Sludge Granules with Arobic and Anaerobic Sludgs as Seeding Material
Tap water based sieving method for determining size distribution for anaerobic sludge granules of a full scale wastewater treatment plant
Based on the successful cultivation of aerobic heterotrophic granular sludge, granules with well nitrogen removal were cultivated by adjusting the ammonium loading rate, aeration rate and hydraulic retention time, and the properties and mechanisms of nitrogen removal were investigated in this work.
重点研究了脱氮 颗粒污泥的培养、特性以及脱氮反应模式、传质特性、反应动力学、 颗粒污泥内微生物组成及分布,其主要研究内容如下:依据前期好氧异养 颗粒污泥的培养策略,分别以活性污泥(AS)、硝化污泥(NS)、好氧异养 颗粒污泥(GS)为接种体通过提高氨氮负荷、优化曝气流量促进硝化反硝化微生物在 颗粒污泥内的积累。
The nitrifying granular activated sludge began to appear on day 45. Its average diameter was 0.83 mm, settling velocity was 55.53m/h and specific ammonia removal rate was 0.95 mmol (NH/-N)/g (VS)-d.
A granular sludge bed ANAMMOX reactor was inoculated with nitrifying granular activated sludge. The reactor was performed at HRT 1 day for more than one month, meanwhile, the influent ammonia concentration was from 4.95mmol/L to 33.09mmol/L, ammonia removal rate was 98.37% and 72.02%, respectively;
将硝化 颗粒污泥接种于 颗粒污泥床ANAMMOX反应器，在HRT为1d的条件下，厌氧运行一个多月，进水NH_4~+-N浓度从4.95mmol╱L升至33.09mmol／L，相应去除率为98.37％和72.02％；
Comparison of Granular Activated Sludge and Conventional Activated Sludge in the Coking Wastewater Treatment
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Microorganism community construction of co-immobilized anaerobic granular sludge and the mixed isolated aerobic community was also deduced.
The acid resistance of granular sludge and methanogenic bacteria and their metabolizing activity were investigated.
Granular sludge of the system could protect the methanogenic bacteria within its body against the impact of the acidic environment and make them degrade methanol at pH 4.5.
The performance of granular sludge was attributed to its structure, bacteria species, and the distribution of bacterium inside the granule.
An expanded granular sludge bed (EGSB) reactor was adopted to study the influence factors and rule of enhancing granular sludge concentration and performance.
Optimizing conditions of enhancing granule sludge concentration and performance
Apparent Km values for methanogenesis from volatile fatty acids by various sludge granules were determined from progress curve experiments.
The results obtained indicate that facultative anaerobic bacteria abundantly present in the outermost biofilm layers of mature sludge granules are probably the main primary colonizers of the sand.
Determination of the permeability and porosity of anaerobic sludge granules by size exclusion chromatography
A new application of size-exclusion chromatography is described for assessment of the permeability and internal pore distribution of anaerobic sludge granules.
The influence of substrate transport limitation on porosity and methanogenic activity of anaerobic sludge granules