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D20 hydrocarbon solvent oil recovery method

A hydrocarbon solvent and recovery method technology, applied in the petroleum industry, processing hydrocarbon oil, hydrocarbon oil treatment products, etc., can solve problems such as high cost, pollution, shortage of petroleum resources, etc., and achieve resource saving, high recovery rate, and recovery method. simple effect

Inactive Publication Date: 2017-05-17
JIANGYIN WUYANG CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Due to the difficulty in the production and refining of hydrocarbon solvent oil and the high cost; coupled with the increasing shortage of petroleum resources and the serious environmental pollution caused by solvent oil discharge, the recovery of isoparaffin solvent oil is of great significance, but there is currently no recovery Good way to isoparaffin spirits

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] The recovery method of D20 hydrocarbon solvent oil comprises the following steps:

[0018] Step 1, the D20 hydrocarbon solvent oil waste liquid is oxidized, and the oxidant is potassium persulfate, and the organic layer is separated;

[0019] Step 2, under the condition of 150~180 DEG C, the separated organic layer is treated with a catalyst, the active components of the catalyst are Mo, Ni, Co, the catalytic carrier is alumina, and the molar ratio of Mo, Ni, Co is 1: 0.5:0.2;

[0020] Step 3, the liquid treated in step 2 is adsorbed with activated carbon, and the crude D20 hydrocarbon solvent oil that slips out is collected;

[0021] Step 4, rectifying the collected crude D20 hydrocarbon solvent oil, collecting fractions under 5-10 mmHg pressure and 85-115°C.

[0022] Preferably, in step 2, the temperature at which the catalyst treats the organic layer is 150-160°C.

[0023] The catalyst is prepared by dissolving carbonates or phosphates of Mo, Ni, and Co, adding a ...

Embodiment 2

[0025] The recovery method of D20 hydrocarbon solvent oil comprises the following steps:

[0026] Step 1, the D20 hydrocarbon solvent oil waste liquid is oxidized, the oxidant is selected from sodium peroxide and persulfuric acid, and the organic layer is separated;

[0027] Step 2, under the condition of 150~180 DEG C, the separated organic layer is treated with a catalyst, the active components of the catalyst are Mo, Ni, Co, the catalytic carrier is alumina, and the molar ratio of Mo, Ni, Co is 1: 0.8:0.5;

[0028] Step 3, the liquid treated in step 2 is adsorbed with activated carbon, and the crude D20 hydrocarbon solvent oil that slips out is collected;

[0029] Step 4, rectifying the collected crude D20 hydrocarbon solvent oil, collecting fractions under 5-10 mmHg pressure and 85-115°C.

[0030] Preferably, in step 2, the temperature at which the catalyst treats the organic layer is 150-160°C.

[0031] The catalyst is prepared by dissolving carbonates or phosphates of...

Embodiment 3

[0033] The recovery method of D20 hydrocarbon solvent oil comprises the following steps:

[0034] Step 1, passing D20 hydrocarbon solvent oil waste liquid into ozone for oxidation, and separating the organic layer;

[0035] Step 2, under the condition of 150~180 DEG C, the separated organic layer is treated with a catalyst, the active components of the catalyst are Mo, Ni, Co, the catalytic carrier is alumina, and the molar ratio of Mo, Ni, Co is 1: 0.4:0.3;

[0036] Step 3, the liquid treated in step 2 is adsorbed with activated carbon, and the crude D20 hydrocarbon solvent oil that slips out is collected;

[0037] Step 4, rectifying the collected crude D20 hydrocarbon solvent oil, collecting fractions under 5-10 mmHg pressure and 85-115°C.

[0038] Preferably, in step 2, the temperature at which the catalyst treats the organic layer is 150-160°C.

[0039] The catalyst is prepared by dissolving carbonates or phosphates of Mo, Ni, and Co, adding a carrier, and standing stil...

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PUM

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Abstract

The invention relates to a D20 hydrocarbon solvent oil recovery method, which comprises: 1, oxidizing a D20 hydrocarbon solvent oil waste liquid, and separating to obtain an organic layer; 2, at a temperature of 150-180 DEG C, treating the separated organic layer by using a catalyst; 3, adsorbing the treated liquid obtained in the step 2 with active carbon, and collecting the obtained crude D20 hydrocarbon solvent oil; and 4, rectifying the collected crude D20 hydrocarbon solvent oil, and collecting the distillate at a temperature of 85-115 DEG C under a pressure of 5-10 mmHg. According to the present invention, with the method, the recovery of the D20 hydrocarbon solvent oil is achieved, the recovery rate is high, the recovery method is simple, and the resources are saved.

Description

technical field [0001] The invention relates to a recovery method of solvent oil, in particular to a recovery method of D20 hydrocarbon solvent oil. Background technique [0002] Solvent oils can be divided into aromatic hydrocarbons, dearomatized aliphatics, isoparaffins, naphthenes, and normal paraffins, etc. Among them, isoparaffin solvent oils have low freezing point, low odor, low toxicity and good safety, etc. Advantages, widely used in printing and dyeing thinners, ink solvents, metal processing cleaning agents, rust inhibitors, odorless sprays, odorless oil paints, organosol formulations, clothes dry cleaning oils, organic compound carriers, etc. [0003] Due to the difficulty in the production and refining of hydrocarbon solvent oil and the high cost; coupled with the increasing shortage of petroleum resources and the serious environmental pollution caused by solvent oil discharge, the recovery of isoparaffin solvent oil is of great significance, but there is curren...

Claims

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Application Information

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IPC IPC(8): C10G57/00
CPCC10G57/00C10G2300/1007C10G2300/4081C10G2300/44C10G2400/18
Inventor 孔瑞用孔维立林国民
Owner JIANGYIN WUYANG CHEM
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