构建光序批式反应器(PSBR)处理模拟生活污水,考察光合细菌投加量、pH值、光照强度和溶解氧(DO)对反应器污染物去除性能影响,通过16S r RNA测序技术揭示光合细菌对活性污泥微生物群落结构、功能和氮代谢通路的影响.结果表明:10%光合细菌...构建光序批式反应器(PSBR)处理模拟生活污水,考察光合细菌投加量、pH值、光照强度和溶解氧(DO)对反应器污染物去除性能影响,通过16S r RNA测序技术揭示光合细菌对活性污泥微生物群落结构、功能和氮代谢通路的影响.结果表明:10%光合细菌投加通过促进微生物种间协调功能使PSBR系统CODCr、NH_(4)^(+)-N和TN去除率提高,pH值、光照强度和DO分别为7、5000lux和3mg/L时,PSBR脱氮性能最好.光合细菌提高了活性污泥微生物多样性和丰富度,Proteobacteria菌门和norank_f__Saprospiraceae菌属相对丰度增多.光合细菌促进部分参与硝化过程和反硝化过程的功能基因(amo、hao和nap)和酶(AMO、HAO和NAP)丰度增加,活性污泥的整体氮代谢潜力得到提升.展开更多
A lab-scale parallel photoreactor model has been developed for broad applications in organic chemistry.Position,angle,and distance in the reactor are systematically optimized for achieving high reproducibility under t...A lab-scale parallel photoreactor model has been developed for broad applications in organic chemistry.Position,angle,and distance in the reactor are systematically optimized for achieving high reproducibility under the guidance of the Inverse Square Law and Lambert’s Cosine Law,which were first applied in the design of the photoreactor.Improvement of photon efficiency is realized via 3-point irradiation and broad-band light reflector of aluminum.Photon flux is measured with an optical power meter with its display and adjustment suggested being integrated into the photoreactor for the first time.展开更多
文摘构建光序批式反应器(PSBR)处理模拟生活污水,考察光合细菌投加量、pH值、光照强度和溶解氧(DO)对反应器污染物去除性能影响,通过16S r RNA测序技术揭示光合细菌对活性污泥微生物群落结构、功能和氮代谢通路的影响.结果表明:10%光合细菌投加通过促进微生物种间协调功能使PSBR系统CODCr、NH_(4)^(+)-N和TN去除率提高,pH值、光照强度和DO分别为7、5000lux和3mg/L时,PSBR脱氮性能最好.光合细菌提高了活性污泥微生物多样性和丰富度,Proteobacteria菌门和norank_f__Saprospiraceae菌属相对丰度增多.光合细菌促进部分参与硝化过程和反硝化过程的功能基因(amo、hao和nap)和酶(AMO、HAO和NAP)丰度增加,活性污泥的整体氮代谢潜力得到提升.
基金support provided by NSFC(Nos.22125103 and 21971065)STCSM(Nos.22JC1401000,20JC1416800 and 20XD1421500)the Fundamental Research Funds for the Central Universities.
文摘A lab-scale parallel photoreactor model has been developed for broad applications in organic chemistry.Position,angle,and distance in the reactor are systematically optimized for achieving high reproducibility under the guidance of the Inverse Square Law and Lambert’s Cosine Law,which were first applied in the design of the photoreactor.Improvement of photon efficiency is realized via 3-point irradiation and broad-band light reflector of aluminum.Photon flux is measured with an optical power meter with its display and adjustment suggested being integrated into the photoreactor for the first time.
