以水稻土浸提液为接种液、人工合成的无定形氧化铁为唯一的电子受体、添加的苯系物(甲苯、苯胺、苯酚、苯甲酸)为唯一碳源,在适量无机N,P,K营养供给条件下,采用厌氧恒温混合培养方法,研究了厌氧微生物对氧化铁还原的影响。结果表明,由...以水稻土浸提液为接种液、人工合成的无定形氧化铁为唯一的电子受体、添加的苯系物(甲苯、苯胺、苯酚、苯甲酸)为唯一碳源,在适量无机N,P,K营养供给条件下,采用厌氧恒温混合培养方法,研究了厌氧微生物对氧化铁还原的影响。结果表明,由水稻土中提取的微生物可以利用苯系物作为唯一碳源,在厌氧降解的同时将电子转移给F e(Ⅲ),使其还原为F e(Ⅱ);利用不同苯系物的铁还原过程难易程度有所差异,铁还原率表现为苯甲酸最高(53.99%),甲苯最低(19.55%),利用苯系物的铁还原率均低于以葡萄糖为碳源时的铁还原率(71.16%);不同浓度苯系物对氧化铁还原过程有不同程度的影响,在一定浓度范围内,随着苯系物浓度的增加其对氧化铁还原过程具有促进作用,而高浓度苯系物则对氧化铁还原过程表现出抑制趋势;以2.0 mm o l/L苯系物作为碳源时,蒽醌-2,6二-磺酸盐(AQDS)可明显增加F e(Ⅱ)的累积量。展开更多
The crystal structure of Zn(H2O)2(phen)2DBDA (1) (DBDA=2,2′-dimethoxy-1,1′-binaphthylene-6,6′- disulfonate, phen =1,10-phenanthroline) involves the anion part (2,2′-dimethoxy-1,1′-binaphthylene-6,6′- disulfonate...The crystal structure of Zn(H2O)2(phen)2DBDA (1) (DBDA=2,2′-dimethoxy-1,1′-binaphthylene-6,6′- disulfonate, phen =1,10-phenanthroline) involves the anion part (2,2′-dimethoxy-1,1′-binaphthylene-6,6′- disulfonate ) and the cation part which compose of a octahedron coordinated zinc center surrounded by two water and four nitrogen atoms from two phen rings, the 3D packing structure was formed through the strong H-bonding interaction between sulfonate and water. CCDC: 277923.展开更多
文摘以水稻土浸提液为接种液、人工合成的无定形氧化铁为唯一的电子受体、添加的苯系物(甲苯、苯胺、苯酚、苯甲酸)为唯一碳源,在适量无机N,P,K营养供给条件下,采用厌氧恒温混合培养方法,研究了厌氧微生物对氧化铁还原的影响。结果表明,由水稻土中提取的微生物可以利用苯系物作为唯一碳源,在厌氧降解的同时将电子转移给F e(Ⅲ),使其还原为F e(Ⅱ);利用不同苯系物的铁还原过程难易程度有所差异,铁还原率表现为苯甲酸最高(53.99%),甲苯最低(19.55%),利用苯系物的铁还原率均低于以葡萄糖为碳源时的铁还原率(71.16%);不同浓度苯系物对氧化铁还原过程有不同程度的影响,在一定浓度范围内,随着苯系物浓度的增加其对氧化铁还原过程具有促进作用,而高浓度苯系物则对氧化铁还原过程表现出抑制趋势;以2.0 mm o l/L苯系物作为碳源时,蒽醌-2,6二-磺酸盐(AQDS)可明显增加F e(Ⅱ)的累积量。
文摘The crystal structure of Zn(H2O)2(phen)2DBDA (1) (DBDA=2,2′-dimethoxy-1,1′-binaphthylene-6,6′- disulfonate, phen =1,10-phenanthroline) involves the anion part (2,2′-dimethoxy-1,1′-binaphthylene-6,6′- disulfonate ) and the cation part which compose of a octahedron coordinated zinc center surrounded by two water and four nitrogen atoms from two phen rings, the 3D packing structure was formed through the strong H-bonding interaction between sulfonate and water. CCDC: 277923.
