达比一直在寻找改善铁质的方法，他猛然想到可以不用木炭熔炼，而改用焦炭。
Darby was looking for a way to improve iron when he hit upon the idea of smelting it with coke instead of charcoal.
使用混兑催化剂可提高渣油掺炼比，降低焦炭产率，提高装置处理量，并可提高汽油辛烷值。
Increases in throughput, resid blending ratio and gasoline octane as well as drop in coke yield can be obtained after the catalyst mixing.
柳钢焦化厂通过采取优化用煤资源构成、选择最佳配煤比和加强操作管理等措施，使柳钢的焦炭质量得到了较大的改善。
The coke quality of Liuzhou Iron & Steel Group Co. was improved greatly by optimizing coal species, choosing the best mixing ratio of coal, strengthening operation management.
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