Method and device for separation, consumption reduction and emission reduction in the production process of c5 petroleum resin
A petroleum resin, production process technology, applied in chemical instruments and methods, chemical/physical process, chemical/physical/physical-chemical process, etc., can solve the problems of many chemicals, difficult to remove water by-products, and low product quality. , to achieve the effect of simple operation, reduction of external neutralization chemicals, and low energy consumption
Active Publication Date: 2022-06-21
EAST CHINA UNIV OF SCI & TECH
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Problems solved by technology
[0005] This disclosure provides a novel method and device for separation, consumption reduction and emission reduction of C5 petroleum resin production process, which realizes the separation of oil and water in raw materials, the reuse of catalysts in the polymerization liquid, and the removal of catalyst impurities in the polymerization liquid, reducing by 85% Catalyst consumption, 95% reduction of chemical agent addition, 85% reduction of waste water generation, and improvement of crude resin liquid quality. Removal, low product quality and other issues
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Embodiment 1
[0095] In a 110,000-ton / year petroleum resin production process, according to the method of the present invention, a raw material cyclone integrated oil-water separation equipment, a polymer liquid cyclone separator, an ebullated bed separator, a cyclone liquid-liquid extraction mixer, a polymer The hydrocyclone fiber heterojunction integrated equipment processes the raw materials and the polymerization solution. The specific operation process and effect are described as follows:
[0096] 1. Material properties and related parameters
[0097]In the production of petroleum resin, the polymerization liquid to be treated is a liquid-solid two-phase mixture, and the polymerization liquid contains a solid catalyst, wherein the raw material C5 and the polymerization liquid are continuous phases, and the catalyst is a dispersed phase medium. The raw material C5 is 3t / h, the temperature is 45°C, the viscosity of the polymerization solution is 20cp, the temperature is 55°C, and the liq...
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Abstract
The disclosure relates to a method and device for separation, consumption, and emission reduction of C5 petroleum resin production process, and provides a method for separation, consumption reduction, and emission reduction of C5 petroleum resin production process, including: (a) C5 raw materials are processed by cyclone integrated oil-water separation equipment Flow into the polymerization reactor for reaction; (b) Part of the polymerized liquid after the reaction is subjected to cyclone separation treatment through the cyclone separator; (c) The polymerized liquid at the overflow port of the cyclone separator is sent to the ebullated bed separator for advanced purification treatment (d) the clean polymerization liquid after deep purification treatment enters the multi-stage cyclone liquid-liquid extraction mixer for step-by-step neutralization mixing reaction, then enters the neutralization tank for neutralization reaction; and (e) obtains after neutralization reaction The polymerized liquid enters the static layered tank for initial separation of oil and water, and the oil phase enters the cyclone fiber heterojunction integrated equipment for deep dehydration, and the oil phase polymerized liquid after deep dehydration enters the settling tank to obtain crude resin liquid. Apparatus for use in the method is also provided.
Description
technical field [0001] The present disclosure belongs to the technical field of separation and comprehensive consumption reduction and emission reduction treatment in the production process of chemical resin, and relates to a separation process method for oil-water separation, liquid-solid separation, liquid-liquid extraction and the like in the production process of C5 petroleum resin, which is suitable for the separation of oil and water of raw materials. , catalyst removal in the polymerization liquid, liquid-liquid extraction, deep removal of water in the polymerization liquid and other separation problems, the cost-reducing separation process and device are also suitable for the production of other petroleum resins such as C9. Specifically, the present disclosure provides process methods and devices for oil-water separation, liquid-solid separation, liquid-liquid extraction, and deep dehydration separation in the resin production process. Background technique [0002] I...
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IPC IPC(8): C08F240/00C08F2/00C08F4/14B01D11/04B01J8/00B01J19/00
CPCC08F240/00C08F2/00C08F4/14B01J19/00B01J19/0053B01J8/00B01J8/005B01J8/008B01D11/04Y02P20/10
Inventor 汪华林代黎李剑平杨孟君胡江青孙向东张阳志常迪李来福郝明勋纪宗义杜军俏马凯
Owner EAST CHINA UNIV OF SCI & TECH