The oil shortage worldwide and the increasing demand for propylene call for the alternative non-oil routes to produce light olefins.
世界范围内的石油资源紧缺和丙烯需求的迅速增长使得非石油路线制取丙烯的方法备受关注。
Converting more heavy feedstocks, maximizing the yields of light olefins and shifting the product plate to respond the market needs are the abilities of FCC unit.
重油裂化多产轻烯烃以及适应油品市场变化，发挥其应变能力也是催化裂化的一种本能。
It can expand the range of pyrolysis feedstocks, increase the yields and selectivity of light olefins, reduce energy cost, and adjust flexibly products distribution.
同蒸汽热裂解相比，催化裂解能大幅降低能耗，并可灵活调整产品结构。
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。
It is a strategic and commercial valuable method for Light olefins (propylene, ethylene etc.) prepared from the conversion of Methanol which is not depend on petroleum and nature gas.
以甲醇为原料合成低碳烯烃类物质提供了一条不依赖石油、天然气合成乙烯、丙烯的极具战略价值和商业价值的重要的途径。
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。
The invention relates to a method of preparing light olefins by using methanol or dimethyl ether, and mainly solves the problem of not high yield coefficient of the light olefins in prior art.
本发明涉及一种甲醇或二甲醚制备轻烯烃的方法，主要解决现有技术中轻烯烃收率不高的问题。
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。
The hydroetherification process of catalytic cracking light gasoline is investigated for increasing octane number and decreasing the content of olefins of catalytic cracking gasoline.
研究了催化裂化轻汽油临氢醚化工艺，以降低催化裂化汽油的烯烃含量并提高辛烷值。
By adopting two stage etherification technology, the total conversion of tertiary carbonic olefins in light gasoline is up to 75%.
采用二段醚化技术，轻汽油中叔碳烯烃醚化总转化率可达到75 %以上。
The oligomerization test of mixed olefins in light coke gasoline was carried out in a fixed bed reactor.
在实验室小型固定床反应器上，以焦化汽油轻馏分为原料，进行了混合烯烃的叠合反应。
Feedstock demands meeting hydrocarbon steam reforming process including impurity contents of olefins, aromatics, sulfur, arsenic and chloride, as well as dry point of light fraction were introduced.
介绍烃类水蒸气转化制氢工艺对原料的要求，加烯烃、芳烃、硫、砷和氯等杂质的含量，以及轻油的干点等。
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。
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。
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