The invention refers to a kind of gas-liquid countercurrent reaction method, especially the method of hydrocarbon countercurrent hydrogenprocessing craft.
本发明涉及一种气、液逆流反应方法，特别是烃类逆流加氢处理工艺方法。
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Experience for ISBL units could include large continuous processes such as gasification, coal processing, gas processing, ammonia, methanol, hydrogen, olefins, sulphur, polyethylene, polypropylene.
The hydrogen content and processing edge cracks was one of the important facts that effected the quality of 5005 aluminium alloy casting-rolling strips.