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。
Light petroleum distillate, generally known AS naphtha, wAS the logical choice.
轻石油馏分，如石脑油是合乎逻辑的选择。
Considering the high contents of olefins and nitrogen, the whole fraction of delayed coker distillates (including light and heavy naphtha, gas oil) must be hydrotreated.
延迟焦化馏出油(包括汽油、柴油及蜡油)的烯烃含量和氮含量高，必须进行加氢精制。
Said catalyst can be used for hydrodesulphurization of light oil fraction or gas containing organic sulphide, in particular, it is applicable to hydrodesulphurization of naphtha and coking dry gas.
该催化剂可用于含有机硫化物的轻油馏分或气体的加氢脱硫，特别适用于石脑油和焦化干气的加氢脱硫。
A process for increasing the yield of C3 and C4 olefins by injecting light cat naphtha and cat cycle oil together with steam into an upstream reaction zone of a FCC riser reactor.
通过将轻催化石脑油和催化循环油与水蒸汽一起注入FCC提升管反应器的上游反应区提高C3和C4烯烃产率的方法。
The treating process included naphtha absorption, light gas oil absorption and once through hydrogenation, etc.
汽油、柴油吸收一加氢一次通过式流程。
DCC catalyst consists of a modified mesopore zeolite with pentasil structure for primary product of naphtha range to undergo secondary cracking for producing light olefins.
催化裂解催化剂是一个含改性五元环中孔沸石的固体酸催化剂，汽油一次产物在中孔沸石内进行二次裂化转化为轻烯烃。
Mercaptans in the light fractions of FCC naphtha from different refineries were removed by caustic extraction.
采用碱液抽提的方式，对来自不同炼油厂的催化裂化汽油轻馏分进行了脱硫醇精制试验。
The olefin conversion of FCC naphtha to produce light olefins over regular carrier catalyst preparated from shape-selective molecular sieve was studied in a regular fixed-bed reactor.
以择形分子筛制备的规整载体催化剂，在规整固定床反应器上，进行催化裂化汽油中烯烃转化产低碳烯烃的裂化反应。
A person familiar with the refinery set-up said that a naphtha pump could refer to a unit that transfers the light fuel into a hydrotreater before it is reformed into gasoline.
一位熟悉精炼厂布置的人士说道，石脑油抽提在其转化成汽油前或与轻质燃料的加氢处理设备相关。
The experiment shows that there is a synergetic effect for solving paraffin, when the high-density solvent naphtha mixed with the light distillates.
但研究发现 ，所收集的高密度的重溶剂油和低密度的轻质油在溶蜡性能方面具有协同效应。
The experiment shows that there is a synergetic effect for solving paraffin, when the high-density solvent naphtha mixed with the light distillates.
但研究发现 ，所收集的高密度的重溶剂油和低密度的轻质油在溶蜡性能方面具有协同效应。
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