根据提高延迟焦化装置轻质油收率、降低焦炭和干气收率的作用机理，研制了一种延迟焦化增收剂。在实验室模拟延迟焦化装置上，对五种性质不同的原料渣油进行了空白和加剂试验。
An additive to increase delayed coker yield has been prepared based on the mechanism of enhancing light oil yield and reducing the yields of coke and dry gas.
第五章是对实验装置进行测试和总结，取得很好的学习和科研效果。
Chapter 5 is to test and summarize the experimental facility and obtain the good study and research results.
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