The difference of gas diffusion regularity between moving bed and fixed bed enlarged with the increase of catalyst recycle intensity.
随着催化剂循环强度的增加，移动床与固定床在气体扩散规律上的偏离程度增大。
The reaction conditions have been optimized and the recycle efficiency and the leaching of the catalyst have been studied.
考察了各种反应条件对加氢的影响，催化剂的循环使用及其在有机相中的流失情况。
Sulfur recycle catalyst activeness decline reason and its preventive measures are analyzed.
分析了硫磺回收催化剂活性衰退的原因及防止措施。
Furthermore the methods for heterogenizing the homogeneous catalyst and some results of their recycle use are given.
给出了解决催化剂循环使用的多相化技术方法和取得的结果。
Above results indicated that the methods of recycle of chemical plating bath and recovery of catalyst were effective and would greatly save cost and reduce environmental pollution.
研究结果表明，化学镀液的循环利用和催化剂的回收套用的方法非常有效，降低了化学镀镍成本，减少了环境污染。
It was also verified that the activity of the catalyst remained stable after 11 times of recycle.
实验验证了该催化剂的活性在11次循环后仍保持稳定。
Reaction rules of FCC light naphtha upgrading and FCC naphtha recycle and reflux upgrading have been investigated with FCC catalyst in the bench scale riser FCC unit.
利用催化裂化催化剂在小型提升管催化裂化试验装置上考察了催化裂化汽油轻馏分改质和催化裂化汽油循环回炼改质的反应规律。
Reaction rules of FCC light naphtha upgrading and FCC naphtha recycle and reflux upgrading have been investigated with FCC catalyst in the bench scale riser FCC unit.
利用催化裂化催化剂在小型提升管催化裂化试验装置上考察了催化裂化汽油轻馏分改质和催化裂化汽油循环回炼改质的反应规律。
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