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Isobutene polymerization system and isobutene polymerization method

A technology of isobutene and superposition reaction, which is applied in the preparation of liquid hydrocarbon mixtures, petroleum industry, biological raw materials, etc., can solve the problem of inability to produce isobutene superposition oil, and achieve the effect of reducing side reactions

Active Publication Date: 2020-02-28
BC P INC CHINA NAT PETROLEUM CORP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] This application provides an isobutylene lamination system and lamination method, which can solve the problem of inability to produce isobutylene lamination oil in related technologies

Method used

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  • Isobutene polymerization system and isobutene polymerization method
  • Isobutene polymerization system and isobutene polymerization method
  • Isobutene polymerization system and isobutene polymerization method

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Embodiment

[0147] An oil refinery originally had a MTBE unit with an output of 80,000 tons per year. The raw material for this unit was mixed C from the upstream gas separation unit. 4 raw material. mix C 4 The composition of raw materials is shown in Table 3. The feed rate is 32.82 tons / hour, and the annual processing capacity is 275,700 tons / year.

[0148] Table 3 Mix C 4 Raw material composition

[0149] serial number mix C 4 Raw material composition

quality score 1 C 3 h 6

0.0717 2 C 3 h 8

0.1231 3 NC 4 h 10

6.4405 4 IC 4 h 10

44.9512 5 NC 4 h 8

9.8830 6 IC 4 h 8

22.1794 7 TC 4 h 8

10.8297 8 CC 4 h 8

5.5203

[0150] The main process flow of the isobutylene lamination system provided by the related technology is shown in Figure 4 : First mix the C4 raw material from the outside into the C4 raw material tank, use the C4 raw material pump to send the C4 raw...

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Abstract

The invention discloses an isobutene polymerization system and an isobutene polymerization method, belonging to the technical field of petrochemical engineering. The isobutene polymerization system comprises a pretreatment device, a mixing device, an polymerization reaction device, a catalytic distillation device and a distillation device, wherein the pretreatment device is connected with the mixing device and used for pretreating a raw material to obtain a first raw material; the mixing device is used for mixing the first raw material with an additive to obtain a mixed raw material; the mixing device is connected with the polymerization reaction device, and the reaction device is used for preparing a first reaction product; the polymerization reaction device is connected with the catalytic distillation device, and the catalytic distillation device is used for carrying out separation and further catalytic polymerization on the first reaction product to obtain a second reaction product;and the catalytic distillation device is connected with the distillation device, and the distillation device is used for separating a polymerization product and the additive in the second reaction product so as to obtain an isobutene polymerization product. According to the system and the method, the high-purity isobutene polymerization product can be obtained and can be used as an ethanol gasoline blending component.

Description

technical field [0001] This application relates to the field of petrochemical technology, in particular to an isobutylene lamination system and lamination method. Background technique [0002] On September 7, 2017, the State Administration of Quality Supervision and the Standardization Management Committee issued and simultaneously implemented two standards, GB18351 "Ethanol Gasoline for Vehicles (E10)" and GB22030 "Ethanol Gasoline Blending Component Oil for Vehicles", which clearly stipulate In addition to ethanol, the content (mass fraction) of other organic oxygenated compounds in ethanol gasoline for vehicles shall not exceed 0.5% and shall not be artificially added; on September 13, 2017, 15 ministries and commissions including the National Development and Reform Commission jointly issued the "Concerning the Expansion of Biofuel Ethanol Production and Implementation Plan for Promoting the Use of Ethanol Gasoline for Vehicles", which determines that the use of ethanol g...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G3/00C10L1/16
CPCC10G3/42C10L1/16Y02P30/20Y02P20/10
Inventor 刘成军吕晓东孙方宪周璇段宏毅李倞琛温世昌赵霞何红梅赵龙于海霞陈瑞徐冲
Owner BC P INC CHINA NAT PETROLEUM CORP
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