To improve the heavy oil atomization situation of FCC feed stock and decrease the yield of carbon and dry gas, the feed stock, heavy oil, is emulsified.

为改善催化裂化原料油雾化状况，降低结焦和干气收率，将原料重油进行乳化。

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The effects of catalyst composition and properties on yield distribution of catalytic cracking of coker gas oil containing feedstocks were studied.

探讨了以减压瓦斯油掺炼部分焦化蜡油为进料时催化剂组成及性能对催化裂化产品分布等的影响。

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High catalyst to oil ratio mainly leads to carbenium ion catalytic reaction, which LPG and coke yields were remarkably increased but dry gas yield was basically unchanged.

由剂油比增加引起的过裂化属于过度催化反应，过裂化点后液化气和焦炭产率出现明显增加的趋势，但干气产率基本上没有变化。

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But before a test well has been drilled, it is near-impossible to be sure whether the geological idiosyncrasies that excite oilmen will yield either oil or gas (or sometimes both, and often nothing).

ECONOMIST: An unconventional bonanza | The