Method for producing environment-friendly rubber filling oil from medium-low temperature coal tar

A technology of low-temperature coal tar and environmentally friendly rubber, which is applied in the treatment of hydrocarbon oil, petroleum industry, hydrogenation process, etc., can solve the problems of inability to stabilize resources of rubber filling oil, decrease in output, and poor quality, and achieve rubber compatibility and Excellent oxidation stability, low product viscosity drop, and low ring-opening activity

Active Publication Date: 2015-05-06
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, Liaohe Huanxiling crude oil can no longer be used as a stable resource for the production of rubber filler oil due to the decrease in output and deterioration in quality

Method used

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  • Method for producing environment-friendly rubber filling oil from medium-low temperature coal tar

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preparation example Construction

[0036] The preparation process of the hydrogenation modification catalyst of the present invention comprises: after uniformly mixing the amorphous silica-alumina and the modified Y zeolite, adding a binder, kneading, rolling into agglomerates, extruding on an extruder to obtain a carrier, Reload the hydrogenation active metal.

[0037] The preparation method of amorphous silicon aluminum used comprises the steps:

[0038] a. Prepare sodium aluminate solution and sodium silicate solution;

[0039] b. Add the sodium aluminate solution and the sodium silicate solution into the gel forming tank concurrently, and ventilate and feed CO at the same time 2 gas, adjust sodium aluminate solution, sodium silicate solution and CO 2 Flow rate, control the pH value of the material in the gel tank to 9-11, control the neutralization reaction temperature to 20-50°C, and the neutralization reaction time to 0.5-1.5 hours;

[0040] c. Under the controlled temperature and pH value of step b, t...

Embodiment 1

[0057] Prepare 700 solid sodium aluminate to a concentration of 200gAl 2 o 3 / L concentrated sodium aluminate solution, then diluted to a concentration of 35gAl 2 o 3 / L sodium aluminate working solution (a), take SiO 2 28wt% sodium silicate solution, then diluted to a concentration of 150gSiO 2 / L sodium silicate working solution 2L (b). Take a 30L steel plastic tank, open the container valves containing (a) and (b) respectively, and ventilate and feed CO with a concentration of 45v% at the same time 2 Gas, set the flow rate of (a) and (b) so that the reaction time is 1 hour, and quickly adjust the CO 2 flow rate, keep the pH of the system at about 10.0, and the reaction temperature is 30°C. After the reaction of (a) and (b) is completed, stop feeding CO 2 , and then the ventilation was stable for 40 minutes, and the slurry was filtered and washed with 85°C deionized water until neutral. Dry at 120°C for 8 hours, crush and sieve to obtain amorphous silica-alumina GL. ...

Embodiment 2

[0059] Get 80g silicon aluminum GL, 30g modified Y zeolite (SiO 2 / Al 2 o 3 40, unit cell constant 2.432nm, infrared acidity 0.19mmol / g specific surface 866m 2 / g, pore volume 0.52ml / g) and 250g adhesive made by peptizing nitric acid and SB alumina, kneading, rolling, making extrudable paste, extruding into strips. Carrier A was obtained by drying at 110°C for 6 hours and calcining at 550°C for 4 hours. Then 80 g of A was impregnated with 200 ml of a Mo-Mi co-impregnation solution in excess for 2 hours, dried at 110° C. for 6 hours, and calcined at 500° C. for 4 hours to obtain hydrogenation upgrading catalyst A. The physical properties of the hydrogenation upgrading catalyst are shown in Table 2.

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Abstract

The invention discloses a method for producing producing environment-friendly rubber filling oil from medium-low temperature coal tar. The method comprises the following steps: medium-low temperature coal tar is subjected to fractionation, such that a light fraction and a heavy fraction are obtained; the light fraction is mixed with hydrogen, and the mixture enters a hydrogenation treatment reaction zone; the mixture sequentially contacts a hydrogenation protection catalyst, a hydro-refining catalyst and a hydro-upgrading catalyst A, such that a hydrogenation reaction is carried out; a hydrogenation treatment effluent is separated such that gas and water are separated; an obtained liquid-phase product enters a hydro-upgrading reaction zone; a hydro-upgrading catalyst B containing amorphous silica-alumina and modified Y zeolite and a hydro-finishing catalyst are adopted in the hydro-upgrading reaction zone, and a hydro-upgrading reaction is carried out under the existence of hydrogen; olefin produced during the hydro-upgrading process is saturated at the lower part of the hydro-upgrading reaction zone; and the obtained hydro-upgrading product is separated, such that the environment-friendly rubber filling oil is obtained. According to the invention, the medium-low temperature coal tar is adopted as a raw material, and can be used for producing the environment-friendly rubber filling oil with good low-temperature fluidity, good intersolubility with rubber, good oxidation stability, good safety and good environment friendliness.

Description

technical field [0001] The invention relates to a production method of an environment-friendly rubber filler oil, in particular to a method for producing an environment-friendly rubber filler oil by using medium-low temperature coal tar pretreated as a raw material and adopting a hydrogenation treatment-hydrogenation modification combined process. Background technique [0002] Rubber filler oil plays an important role as an auxiliary agent in the rubber industry. It can improve the plasticity of the rubber, reduce the viscosity of the rubber and the temperature during mixing, and can promote the dispersion and mixing of other ingredients. Extrusion acts as a lubricant and reduces the hardness of vulcanized rubber and improves its properties. Rubber filler oil can also increase rubber output, reduce costs, improve rubber processing performance and performance, and plays an important role in the rubber processing industry. [0003] As a rubber extender oil with the largest am...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G67/02C08L21/00C08K5/01
Inventor 赵威全辉姚春雷张志银孙国权林振发
Owner CHINA PETROLEUM & CHEM CORP
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