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Environment-friendly aromatic hydrocarbon rubber filling oil and production method

A technology of rubber filler oil and production method, which is applied in the refining hydrocarbon oil, petroleum industry and other directions, can solve the problems of harsh indicators, low product yield, low polycyclic aromatic hydrocarbon solubility selectivity, etc., and achieves stable performance, high product quality, The effect of uniform distribution of carbon structure

Inactive Publication Date: 2016-09-21
苏州双湖化工技术有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] The existing production methods of these environmentally friendly aromatic rubber filler oils have the following deficiencies: the production process is complicated, and if the product reaches a polycyclic aromatic hydrocarbon content of less than 3%, the operation is difficult and the index is harsh; the produced environmentally friendly aromatic rubber filler oil has a carbon-type structure C A The value is low, generally at 10%-20%, not more than 25%; the selected extraction agent has low solubility selectivity to polycyclic aromatic hydrocarbons in the raw material, and the removal efficiency of polycyclic aromatic hydrocarbons is low, making the product yield low, generally at 30 %about

Method used

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  • Environment-friendly aromatic hydrocarbon rubber filling oil and production method

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Embodiment 1

[0036] Such as figure 1 As shown, a production method of environmentally friendly aromatic rubber extender oil, using multi-component mixed solvent as the extraction agent, adopts a multi-stage extraction process for extraction, the extraction agent is input from the upper part of the extraction tower, the raw material oil is input from the lower part of the extraction tower, and the extraction agent Countercurrent contact with the raw material oil in the extraction tower, the effluent from the top of the extraction tower is a refined liquid, and the solvent is recovered through evaporation and gas stripping to obtain an environmentally friendly aromatic hydrocarbon rubber filler oil. The extract from the bottom of the extraction tower is evaporated and stripped to recover the solvent for recycling. those skilled in the art figure 1 The present invention can also be implemented after the shown process flow is changed or adjusted. Such as figure 1 As shown, the annual produc...

Embodiment 2

[0041] The multi-component mixed solvent is a mixture of N-methylpyrrolidone: polyol: sulfolane with a volume ratio of 1: (0-1): (0-1), wherein the content of the second component and the third component is not 0 at the same time. The extraction process described is a continuous extraction process, and the process conditions are: temperature 95°C, agent-oil mass ratio (2-5): 1, and time 50-80 minutes; the rest are the same as in Example 1, and the raw material oil is high aromatic oil (other Polycyclic aromatic hydrocarbons PCA = 62%); the yield of environmentally friendly aromatic rubber filler oil is 19.3%, and its polycyclic aromatic hydrocarbons PCA is 0.98%.

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Abstract

The invention relates to environment-friendly aromatic hydrocarbon rubber filling oil and a production method. The production method comprises the steps that a multi-component mixed solvent serves as an extracting agent, the extracting agent is input from the upper portion of an extracting tower, feedstock oil is input from the lower portion of the extracting tower, the extracting agent makes counter current contact with the feedstock oil in the extracting tower, a product which outflows from the tower top of the extracting tower is a refined solution, the solvent is recycled through separation, and the environment-friendly aromatic hydrocarbon rubber filling oil is obtained. Compared with the prior art, the environment-friendly aromatic hydrocarbon rubber filling oil and the production method have the advantages that the content of polycyclic aromatic hydrocarbon in the product is low, and the product yield is high.

Description

technical field [0001] The invention belongs to the fields of petroleum refining and petrochemical industry, and relates to comprehensive utilization of oil refining and chemical by-products and production of rubber filler oil, in particular to a production method of environment-friendly aromatic hydrocarbon rubber filler oil. Background technique [0002] Rubber filler oil is an important raw material in the rubber refining process, and its quality directly affects the quality of the refined rubber compound and the quality of rubber products. [0003] Rubber filler oil is one of the important raw materials for rubber processing. It can be well compatible with rubber and endow rubber with good elasticity and toughness. Therefore, it is widely used in tire companies at home and abroad. Dark rubber products and rubber filler oils for tire processing contain more carcinogenic benzo[a]pyrene and other polycyclic aromatic hydrocarbons, which are very harmful to the environment a...

Claims

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Application Information

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IPC IPC(8): C10G21/16C10G21/20C10G21/22C08L21/00C08L91/00
CPCC10G21/16C08L21/00C10G21/20C10G21/22C08L91/00
Inventor 陈超群吴梅芬马相亭侯福顺
Owner 苏州双湖化工技术有限公司
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