PDS与ADA是目前国内化肥厂脱硫工艺中两种主要的催化剂。本文首次建立了用双波分分光光度法联合测定脱硫液中 PDS 与 ADA 或单组分 PDS的方法。此方法有效地清除了脱硫液中悬浮硫等成分产生的背景干扰和光散射的影响,而且 PDS 与 ADA ...PDS与ADA是目前国内化肥厂脱硫工艺中两种主要的催化剂。本文首次建立了用双波分分光光度法联合测定脱硫液中 PDS 与 ADA 或单组分 PDS的方法。此方法有效地清除了脱硫液中悬浮硫等成分产生的背景干扰和光散射的影响,而且 PDS 与 ADA 之间的相互干扰也得到了有效地控制。本方法在有关化肥厂进行了实际测定,结果较为理想。展开更多
Cobalt tetra (N-carbonylacrylic) aminophthalocyanine was supported on cellulose fibres by graft reaction to obtain a novel polymer catalyst, catalytic cellulose fibres (CCF), and the optimal supporting conditions were...Cobalt tetra (N-carbonylacrylic) aminophthalocyanine was supported on cellulose fibres by graft reaction to obtain a novel polymer catalyst, catalytic cellulose fibres (CCF), and the optimal supporting conditions were pH=6, 80℃, t=120min. The catalytic oxidation activity of CCF towards oxidation of 2-mercaptoethanol (MEA) in aqueous solution was investigated. The experimental results demonstrated that CCF had good catalytic oxidation activity on MEA at room temperature, causing no secondary pollution and remaining efficient for the repetitive tests with no obvious decrease of catalytic activity.展开更多
文摘PDS与ADA是目前国内化肥厂脱硫工艺中两种主要的催化剂。本文首次建立了用双波分分光光度法联合测定脱硫液中 PDS 与 ADA 或单组分 PDS的方法。此方法有效地清除了脱硫液中悬浮硫等成分产生的背景干扰和光散射的影响,而且 PDS 与 ADA 之间的相互干扰也得到了有效地控制。本方法在有关化肥厂进行了实际测定,结果较为理想。
基金National Natural Science Foundation of China ( No.20574061)Program for New Century Excellent Talents in University (NCET-04-0559)+1 种基金Specialized Research Fund for the Doctoral Program of Higher Education (20060338002)Program for Changjiang Scholars Innovative Research Team in University (IRT0654)
文摘Cobalt tetra (N-carbonylacrylic) aminophthalocyanine was supported on cellulose fibres by graft reaction to obtain a novel polymer catalyst, catalytic cellulose fibres (CCF), and the optimal supporting conditions were pH=6, 80℃, t=120min. The catalytic oxidation activity of CCF towards oxidation of 2-mercaptoethanol (MEA) in aqueous solution was investigated. The experimental results demonstrated that CCF had good catalytic oxidation activity on MEA at room temperature, causing no secondary pollution and remaining efficient for the repetitive tests with no obvious decrease of catalytic activity.
基金We are grateful to the National Natural Science Foundation of China (No. 50373038), Program for New Century Excellent Talents in University (NCET-04-0559) and Key International Cooperation of Science and Technology of Zhejiang (2005C14013).