The growing interest in the anaerobic ammonium oxidizing(AMX)process in treating high nitrogen containing wastewaters and a comprehensive study into the granulation mechanism of these bacteria under diverse environmen...The growing interest in the anaerobic ammonium oxidizing(AMX)process in treating high nitrogen containing wastewaters and a comprehensive study into the granulation mechanism of these bacteria under diverse environmental conditions over the years have been unequal.To this effect,the distinctive differences in saline adapted AMX(S_AMX)and nonsaline adapted AMX(NS_AMX)granules are presented in this study.It was observed that substrate utilisation profiles,granule formation mechanism,and pace towards granulation differed marginally for the two adaptation conditions.The different microbial dominant aggregation types aided in splitting the 471 days operated lab-scale SBRs into three distinct phases.In both reactors,phase III(granules dominant phase)showed the highest average nitrogen removal efficiency of 87.9%±4.8%and 85.6%±3.6%for the S_AMX and NS_AMX processes,respectively.The extracellular polymeric substances(EPS)quantity and major composition determined its role either as a binding agent in granulation or a survival mechanism in saline adaptation.It was also observed that granules of the S_AMX reactor were mostly loosely and less condensed aggregates of smaller sub-units and flocs while those of the NS_AMX reactor were compact agglomerates.The ionic gradient in saline enrichment led to an increased activity of the Na^(+)/K^(+)–ATPase,hence enriched granules produced higher cellular adenosine triphosphate molecules which finally improved the granules active biomass ratio by 32.96%.Microbial community showed that about three to four major known AMX species made up the granules consortia in both reactors.Proteins and expression of functional genes differed for these different species.展开更多
2020年11月,安慕希推出健康子品牌AMX。“AMX”取自安慕希拼音首字母,同时代表着Ai Mao Xian,品牌主张“新一代爱冒险”的价值理念,鼓励年轻一代大胆破新、迎接挑战!安慕希AMX定位新一代健康酸奶,先后推出基础健康系列、健康轻美味系列...2020年11月,安慕希推出健康子品牌AMX。“AMX”取自安慕希拼音首字母,同时代表着Ai Mao Xian,品牌主张“新一代爱冒险”的价值理念,鼓励年轻一代大胆破新、迎接挑战!安慕希AMX定位新一代健康酸奶,先后推出基础健康系列、健康轻美味系列和健康轻功能系列产品。2021年上市首年AMX销售额突破十亿,其中小黑钻、小黑瓶以“0蔗糖,低GI”为核心卖点,表现优异;2022年AMX推出产地直采系列丹东草莓和新疆哈密瓜,双品销售额突破十亿,引领常温酸奶行业。展开更多
基金supported by the National Research Foundation(NRF)of Korea(project#:NRF-2020R1A2C2006769)。
文摘The growing interest in the anaerobic ammonium oxidizing(AMX)process in treating high nitrogen containing wastewaters and a comprehensive study into the granulation mechanism of these bacteria under diverse environmental conditions over the years have been unequal.To this effect,the distinctive differences in saline adapted AMX(S_AMX)and nonsaline adapted AMX(NS_AMX)granules are presented in this study.It was observed that substrate utilisation profiles,granule formation mechanism,and pace towards granulation differed marginally for the two adaptation conditions.The different microbial dominant aggregation types aided in splitting the 471 days operated lab-scale SBRs into three distinct phases.In both reactors,phase III(granules dominant phase)showed the highest average nitrogen removal efficiency of 87.9%±4.8%and 85.6%±3.6%for the S_AMX and NS_AMX processes,respectively.The extracellular polymeric substances(EPS)quantity and major composition determined its role either as a binding agent in granulation or a survival mechanism in saline adaptation.It was also observed that granules of the S_AMX reactor were mostly loosely and less condensed aggregates of smaller sub-units and flocs while those of the NS_AMX reactor were compact agglomerates.The ionic gradient in saline enrichment led to an increased activity of the Na^(+)/K^(+)–ATPase,hence enriched granules produced higher cellular adenosine triphosphate molecules which finally improved the granules active biomass ratio by 32.96%.Microbial community showed that about three to four major known AMX species made up the granules consortia in both reactors.Proteins and expression of functional genes differed for these different species.
文摘2020年11月,安慕希推出健康子品牌AMX。“AMX”取自安慕希拼音首字母,同时代表着Ai Mao Xian,品牌主张“新一代爱冒险”的价值理念,鼓励年轻一代大胆破新、迎接挑战!安慕希AMX定位新一代健康酸奶,先后推出基础健康系列、健康轻美味系列和健康轻功能系列产品。2021年上市首年AMX销售额突破十亿,其中小黑钻、小黑瓶以“0蔗糖,低GI”为核心卖点,表现优异;2022年AMX推出产地直采系列丹东草莓和新疆哈密瓜,双品销售额突破十亿,引领常温酸奶行业。
