Hydrocracking is one of the most important catalytic processes of petrochemical industry, meanwhile it is an accident frequently-occurring process.
加氢裂化是石油化工工业中最重要的催化加工过程之一，但又是一个事故多发的工艺过程。
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The application and research on the tungstic catalysts are reviewed in petroleum processing and petrochemicals, including hydrocracking, hydrofining, catalytic oxidation and acidic catalysis.