吉化集团公司染料厂生产的还原艳绿FFB是部优产品。近年来,由于成本高,年年受到廉价进口同类产品的冲击,导致产品滞销。为了抢占市场,该厂采用硫酸二甲酯代替苯磺酸甲酯作甲基化剂的新工艺,对FFB进行了技改试验,并于今年4月份进行了大生产试验,现已生产出10t产品。试验结果证明,产品质 The reductive brilliant green FFB produced by the dye factory of Jihua Group is a Bu You product. In recent years, due to the high cost, it has been impacted by cheap imports of similar products year after year, resulting in poor product sales. In order to seize the market, the plant adopted a new technology of methyl sulphate instead of methyl benzene sulphonate as a methylating agent, conducted technical transformation tests on FFB, and conducted a large-scale production test in April of this year, and now has produced 10 tons. product. Test results prove that the product quality