As a kind of by-product in refinery, petroleum coke has not been effectively used for a long time. And many researchers try their best to develop it.
石油焦作为一种迄今为止还未得到有效利用的石油炼制副产物，多年来一直是人们努力开发的对象。
The reason of low recovery rate of tar in coke product was analyzed; the recovery rate of tar was increased by decreasing the oven-roof temperature and adjusting operating conditions.
分析了焦炭生产中焦油回收率低的原因，通过降低炉顶温度和调整工艺操作，提高了焦油的回收率。
The reason of low recovery rate of tar in coke product was analyzed; the recovery rate of tar was increased by decreasing the oven-roof temperature and adjusting operating conditions.
分析了焦炭生产中焦油回收率低的原因，通过降低炉顶温度和调整工艺操作，提高了焦油的回收率。
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