Method for producing environment-friendly rubber oil through blending method

An environmentally friendly rubber oil and production method technology, applied in the petroleum industry, refined hydrocarbon oil and other directions, can solve the problems of dependence on imports, high prices, and difficult to guarantee supply, and achieve the effects of low product cost, low raw material cost, and moderate operating conditions.

CN101693772AActive Publication Date: 2010-04-14CHINA NAT OFFSHORE OIL CORP +2
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2010-04-14

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Abstract

The invention discloses a method for producing environment-friendly rubber oil through blending method. The method provided by the invention comprises the following steps that firstly extracting decompressed residual oil with solvent to obtain deasphalted oil, wherein the solvent for extraction is propane, the ratio by volume of the solvent and the decompressed residual oil is (6-8):1, and the extraction conditions are that the temperature of a tower top is 60-95 DEG C, the temperature of a tower bottom is 50-80 DEG C, and the pressure is 2.8-7.0 MPa, secondly mixing deasphalted oil obtained in the first step with naphthenic oil for 30-120 min with 70-90 DEG C to obtain environment-friendly rubber oil, wherein the mass ratio of the deasphalted oil and the naphthenic oil is (0.2-0.6):(0.8-0.4). The environment-friendly rubber oil produced by the invention accords with the environment-friendly instruction requirement of EU 2005 / 69 / EC, wherein aromatic-carbon rate is 12%-18%, the content of PCA is smaller than 3%, the content of aromatic hydrocarbons is high, and the rubber oil is environment-friendly, nontoxic, and has no carcinogenic effect. The environment-friendly rubber oil can be used as succedaneum of existing aromatic oil, and has great economic values.
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Description

technical field

[0001] The invention relates to a method for producing environment-friendly rubber oil by blending. Background technique

[0002] At present, polycyclic aromatic compounds (abbreviated as PCA) have become the organic pollutants concerned by environmental protection and standard organizations all over the world. Aromatic oils widely used in the rubber and tire industries contain a large amount of these substances, which are harmful to the human environment. According to the 2005 / 69 / EC directive signed by the European Union, since January 1, 2010, the use of toxic aromatic oil in tires entering the EU market will be completely prohibited. Both the United States and Japan have also established timetables for restricting the use of aromatic oil in tires and prohibiting the sale of tires using this oil in the region. Therefore, various export tire manufacturers are actively planning to replace aromatic oil with environmentally friendly rubber oil.

[0003] Curr...

Examples

Embodiment 1

[0025] Embodiment 1, preparation and property determination of environment-friendly rubber oil

[0026] 1) Using Zhonghai Suizhong 36-1 vacuum residue as raw material, extract it in an extraction tower to obtain deasphalted oil; the extraction conditions are: the temperature at the top of the tower is 95°C, the temperature at the bottom of the tower is 80°C, and the solvent is The volume ratio of propane, solvent and Zhonghaisuizhong 36-1 vacuum residue is 8:1, and the operating pressure is 2.8Mpa.

[0027] 2) The deasphalted oil and naphthenic oil obtained in step 1) were fully stirred and mixed by a mixer at 70° C. for 30 minutes to obtain environmentally friendly rubber oil; the mass ratio of deasphalted oil to naphthenic oil was 0.6:0.4.

[0028] The properties of environment-friendly rubber oil are shown in Table 2.

[0029] The properties of the environment-friendly rubber oil prepared by the embodiment 1 of table 2

[0030]

[0031] As can be seen from the table, t...

Embodiment 2

[0032] Embodiment 2, preparation and property determination of environment-friendly rubber oil

[0033] 1) Using Zhonghai Suizhong 36-1 vacuum residue as raw material, extract it in an extraction tower to obtain deasphalted oil; the extraction conditions are: the temperature at the top of the tower is 80°C, the temperature at the bottom of the tower is 65°C, and the solvent is The volume ratio of propane, solvent and Zhonghaisuizhong 36-1 vacuum residue is 6:1, and the operating pressure is 4.8Mpa.

[0034] 2) The deasphalted oil and naphthenic oil obtained in step 1) were fully stirred and mixed by a mixer at 80° C. for 120 minutes to obtain environmentally friendly rubber oil; the mass ratio of deasphalted oil to naphthenic oil was 0.5:0.5.

[0035] The properties of environment-friendly rubber oil are shown in Table 3.

[0036] The properties of the environment-friendly rubber oil prepared by the embodiment 2 of table 3

[0037]

[0038] As can be seen from the table, ...

Embodiment 3

[0039] Embodiment 3, the preparation and property determination of environment-friendly rubber oil

[0040] 1) Using Zhonghai Suizhong 36-1 vacuum residue as raw material, extract it in an extraction tower to obtain deasphalted oil; the extraction conditions are: the temperature at the top of the tower is 60°C, the temperature at the bottom of the tower is 50°C, and the solvent is The volume ratio of propane, solvent and Zhonghaisuizhong 36-1 vacuum residue is 8:1, and the operating pressure is 7.0Mpa.

[0041] 2) The deasphalted oil and naphthenic oil obtained in step 1) were fully stirred and mixed by a mixer at 90° C. for 90 minutes to obtain environmentally friendly rubber oil; the mass ratio of deasphalted oil to naphthenic oil was 0.2:0.8.

[0042] The properties of environment-friendly rubber oil are shown in Table 4.

[0043] The character of the environment-friendly rubber oil that table 4 embodiment 3 prepares

[0044]

[0045] As can be seen from the table, the...