一株耐铬不动杆菌对十二烷基硫酸钠的降解特性

研究醋酸钙不动杆菌H1的降解广谱性时,发现其能在高浓度十二烷基硫酸钠(SDS)环境中生长。经过对菌株H1降解特性研究,结果表明,该菌利用SDS的最适温度为30℃,最适pH为7.0,最适接种量为2%,并适应低渗透压环境。当SDS浓度低于400 mg/L时,菌株H1对SDS的降解率在85%以上,且在SDS浓度为400 mg/L时,达到最大降解率94%。当K2Cr2O7为500 mg/L时,菌株H1对SDS的降解率仍达到50%左右。添加酵母浸出物可促进SDS的降解。     

Hydrochemical characteristics,trace element sources,and health risk assessment of surface waters in the Amu Darya Basin of Uzbekistan,arid Central Asia

Environmental Science and Pollution Research - Thorough knowledge of hydrochemical characteristics and trace element concentrations in surface waters is crucial for protection of this resource,...