Heavy environmentally-friendly rubber oil and preparation method thereof

An environmentally friendly rubber oil and heavy-duty technology, applied in the field of petrochemical industry, can solve the problems of shortage of raw materials and high prices, and achieve the effects of improving solvency, increasing added value, and reducing the amount of furfural

Active Publication Date: 2013-09-25
CHINA NAT OFFSHORE OIL CORP +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The shortage of raw materials has made domestic environmental protection rubber oil in a state of short supply for a long time, and it is imported in large quantities and expensive

Method used

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  • Heavy environmentally-friendly rubber oil and preparation method thereof
  • Heavy environmentally-friendly rubber oil and preparation method thereof
  • Heavy environmentally-friendly rubber oil and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Embodiment 1, the preparation of environment-friendly rubber oil

[0033] The low-quality naphthenic heavy wax oil was purchased from Zhonghai Asphalt (Binzhou) Co., Ltd., and its properties are shown in Table 1. From the data in Table 1, it can be seen that the low-quality naphthenic heavy wax oil has a kinematic viscosity of 45.6mm at 100°C 2 / s, the freezing point is 6°C, and has the characteristics of high kinematic viscosity and low freezing point; it can be seen from the structural group composition data that the total content of saturated hydrocarbons and aromatics is 78.0%, and the content of asphaltenes is very high, 0.7%.

[0034] The inferior naphthenic heavy wax oil listed in Table 1 was used as the feedstock oil, and the propane deasphalting pilot plant (manufactured by Luoyang Kaimeisheng Petrochemical Equipment Co., Ltd., the feedstock oil feed rate was 1kg / h, and the product model was KSDA-1000 )experimenting. After the raw material oil is heated, it en...

Embodiment 2

[0042] Embodiment 2, the preparation of environment-friendly rubber oil

[0043] The raw material oil, test device and preparation method used in Example 2 are exactly the same as those in Example 1, except that the operating conditions are different from those in Example 1. The detailed operating conditions and test results are shown in Table 2.

[0044] It can be seen from the data in Table 2 that the C of environmentally friendly rubber oil A The value is 25.5%, C N The value is 35.0%, C P The value is 39.5%, the content of polycyclic aromatic hydrocarbons is 2.2%, the content of PAHs is 3.8mg / kg, and the content of benzo[a]pyrene is 0.3mg / kg.

Embodiment 3

[0051] Embodiment 3, the preparation of environment-friendly rubber oil

[0052] The raw material oil, test device and preparation method used in Example 3 are exactly the same as those in Example 1, except that the operating conditions are different from those in Example 1. The detailed operating conditions and test results are shown in Table 2.

[0053] It can be seen from the data in Table 2 that the C of environmentally friendly rubber oil A The value is 26.6%, C N The value is 36.0%, C P The value is 37.4%, the content of polycyclic aromatic hydrocarbons is 2.5%, the content of PAHs is 4.2mg / kg, and the content of benzo[a]pyrene is 0.4mg / kg.

[0054] Table 1 Raw Oil Properties

[0055]

[0056] Operating conditions and rubber oil properties of table 2 embodiment and comparative examples

[0057]

[0058]

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Abstract

The invention discloses a heavy environmentally-friendly rubber oil and a preparation method thereof. The method comprises the following steps: extracting inferior cycloalkyl heavy wax oil in a propane deasphalting extraction tower with propane obtain a refined liquid at the top of the propane deasphalting extraction tower, and recovering a solvent to obtain refined heavy wax oil; and 2, carrying out solvent refining of the refined heavy wax oil in an extracting tower I to obtain a primary refined liquid at the top of the extracting tower I and a primary extract liquid at the bottom of the extracting tower I, and recovering the solvent of the primary extract liquid to obtain primary extract oil; and 3, carrying out solvent refining of the primary refined liquid in an extracting tower II to obtain a secondary refined liquid at the top of the extracting tower II and a secondary extract liquid at the bottom of the extracting tower II, recovering the solvent of the secondary refined liquid to obtain secondary refined oil, and recovering the solvent of the secondary extract liquid to obtain the heavy environmentally-friendly rubber oil. The method utilizing the inferior cycloalkyl heavy wax oil to prepare the environmentally-friendly rubber oil widens the raw material resource of the environmentally-friendly rubber oil, satisfies the market demands at home and abroad, and also greatly improves the added values of the inferior cycloalkyl heavy wax oil.

Description

technical field [0001] The invention relates to a heavy environment-friendly rubber oil and a preparation method thereof, belonging to the field of petrochemical industry. Background technique [0002] Oils used in rubber synthesis or rubber processing are collectively referred to as rubber oil. As an important additive, rubber oil is widely used in the rubber industry. After the rubber is filled with oil, the processability and use performance are improved, while the output of rubber is increased and the cost is reduced. In recent years, the domestic tire industry has developed rapidly. China is a big tire manufacturing country, and tire oil has become the largest application field of rubber oil. More than one-third of domestic tires are exported overseas. [0003] The harm of traditional high-aromatic rubber oil to human health and the pollution to the environment have attracted great attention from governments and researchers in various countries. Western developed coun...

Claims

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Application Information

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IPC IPC(8): C10G53/06C08L21/00C08K5/01
Inventor 杨文中蔡烈奎王凯马莉莉宋君辉张海洪
Owner CHINA NAT OFFSHORE OIL CORP
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