最近,兰溪农药厂灭草松的中试获得成功并通过鉴定。 该厂100吨/年100％灭草松原药中试装置经一年运转,实际能力已达125吨/年,超过原设计能力。此中试以苯酐为原料,经6步反应合成灭草原药,总收率(以苯酐计)可达64.2％;原药含量达97％以上,达到同外同类产品的水平。该 Recently, Lanxi Pesticide Plant imazethapyrif’s pilot plant has been successfully passed the appraisal. The plant 100 tons / year 100% herbaceous Pinellor Pilot plant after a year of operation, the actual capacity has reached 125 tons / year, more than the original design capacity. The pilot test to phthalic anhydride as raw material, after 6 steps synthesis of herbicides, the total yield (calculated as phthalic anhydride) up to 64.2%; the original drug content of 97% or more, to reach the level of similar products. This