• Usually a pipe, known as a dip leg, is connected to this bottom outlet and, in catalytic cracking, serves to convey the solids back to the catalyst bed.

    一般有一个通称为料腿的管子与此底部出口相连,在催化裂化中用此料腿将固体送回到催化剂床层。

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  • Study of coke formation during FCC naphtha cracking was carried on a laboratory fixed-fluidized bed reactor.

    在实验室采用固定流化床反应器,研究了催化裂化汽油裂化时的焦炭生成。

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  • The performance of oxide catalyst for naphtha cracking was studied in a fixed-fluidized bed reactor.

    使用固定流化床,考察了氧化物催化剂催化裂解石脑油制乙烯的反应。

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  • I always feel confident. It's about going back to Chelsea now, putting England to bed and cracking on from there.

    我总是很自信。现在,我将回到俱乐部,收拾床铺,继续干下去。

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  • Fluidized bed processing was first used commercially in fluid catalytic cracking of crude oil in 1941.

    早在1941年,流化床工艺过程就第一次以工业规模用于原油的流化催化裂化。

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  • The prepared catalyst on pilot scale was evaluated on fixed-fluidized bed reactor. The results showed that application of the large pore matrix could enhance the heavy oil cracking.

    试验主要对载体和分子筛以及二者的匹配对催化剂重油裂化能力和产品降烯烃效果的影响进行了考察。

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  • The effects of temperature and residence time on tar cracking in the freeboard of a fluidized bed have been investigated in order to reduce the tar produced in the pyrolysis process of coal.

    为降低煤在热解过程中的焦油产率,在一流化床稀相段考察了温度和停留时间对焦油裂解的影响。

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  • Effect of temperature on gasoline olefins cracking reaction over acid catalysts in fixed fluidized bed(FFB)reactor was studied and 1-heptene was used as model compound.

    以1-庚烯为模型化合物,在小型固定流化床上研究了反应温度对汽油烯烃在酸性催化剂上反应的影响。

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  • The influences of the particle size distribution of equilibrium catalyst on product distribution of fluidized-bed catalytic cracking were investigated.

    研究了催化裂化平衡剂的粒度分布对裂化产品分布的影响。

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  • Quinoline catalytic cracking was studied on a fixed-bed microactivity test unit by using toluene, cetane, and tetralin as solvent.

    采用固定床微反活性实验装置,以甲苯、十六烷、四氢萘为溶剂,研究了碱性含氮化合物喹啉的催化裂化转化规律。

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  • Indole catalytic cracking was performed on a fixed-bed microactivity test unit by using toluene, cetane, and tetralin as solvents.

    采用固定床微反活性实验装置,以甲苯、十六烷、四氢萘为溶剂,研究了非碱性含氮化合物吲哚的催化裂化转化规律。

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  • Indole catalytic cracking was performed on a fixed-bed microactivity test unit by using toluene, cetane, and tetralin as solvents.

    采用固定床微反活性实验装置,以甲苯、十六烷、四氢萘为溶剂,研究了非碱性含氮化合物吲哚的催化裂化转化规律。

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