【摘 要】
：
该文报道了一种P-ClBZD合成的改进工艺,在CO/Mn/Br混合物催化剂的作用下,分别用空气、氧气及液相氧气氧化等方法进行制备P-ClBZD的研究,并确立了在这三种情况下的较佳反应条
论文部分内容阅读
该文报道了一种P-ClBZD合成的改进工艺,在CO/Mn/Br混合物催化剂的作用下,分别用空气、氧气及液相氧气氧化等方法进行制备P-ClBZD的研究,并确立了在这三种情况下的较佳反应条件.对反应的物料浓度、反应时间、温度及催化剂的组成进行了改进.通过改进,用氧气氧化氯甲苯,其思化率可达46.7﹪,选择性达60﹪,P-ClBZD的总收率可达28﹪以上,比文献所报道的P-ClBZD的总收率提高10﹪以上.该方法操作简单,条件温和,污染小,对设备及仪器要求不高,溶剂、原料及催化剂可循环利用,成本低,是一种很有工业化前途的新方法.
其他文献
含酰胺键化合物具有广泛的生物活性，一直是农药化学研究的重点和热点。例如，双酰胺类杀虫剂、苯甲酰脲类杀虫剂和双酰肼类杀虫剂的分子结构中均含有一个或多个酰胺键。 为了
Themaintenance the quality and transparency of water issignificant in nuclear facility,and also the removal of suspended solids from liquid radioactive wastes i
In order to expand the genetic basis of Brassica napus germplasm,this article investigated the feasibility of creating novel germplasm in rapeseed by crucif
To reduce membrane fouling problem,coagulation is proposed as a pretreatment process to remove dissolved organic matters and colloids(1μm)by neutralizing p
A series of batch,breakthrough and pilot experiments were conducted to verify the feasibility of using cation exchange resinto remove Lead from lead-acid ba
The activated sludge process is an old technology,but still the most commonly used for treatment of waste water.Despite the wide spread use of activated slu
Food and beverage production plants are major waste water contributors,and additionally often have food waste.Plants producing wastewaters with a significan
Effective removal the colloid,quasi-colloid particles of surface waters and sewages (chemical pre-treatment of wastewaters) requires coagulation-flocculation pr
Compared methods of Fenton-Like,pyrite catalyze hydrogen dioxide,sodium hypochlorite and Ferrate oxidationin advanced treatment of papermaking wastewater.