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Method and device for cooperatively treating organic fluorine and terpene raffinate through plasma cracking

A plasma cracking and co-processing technology, applied in the field of chemical waste treatment, can solve the problems of not creating economic value, easily producing dioxins, incomplete incineration, etc. Effect

Active Publication Date: 2021-06-08
ZHONGHAO CHENGUANG RES INST OF CHEMICALINDUSTRY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the general method of treating terpene raffinate is incineration, but there are also disadvantages such as incomplete incineration, high energy consumption, secondary pollution, and easy generation of dioxins.
[0004] Moreover, the current treatment of organic fluorine residues and terpene residues is to treat them as wastes for harmless treatment, without creating economic value

Method used

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  • Method and device for cooperatively treating organic fluorine and terpene raffinate through plasma cracking

Examples

Experimental program
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Effect test

Embodiment 1

[0028] see figure 1 As shown, it is a method of plasma cleavage that is provided in this embodiment to treat organic fluorine and terpene residual, the apparatus including a cracking furnace 1, a cleavage furnace 1 having a vertical cylindrical shape of a furnace body, including disposed in the furnace body The high temperature zone 2 in the upper section of the furnace is provided at a low temperature zone 3 in the lower portion of the high temperature zone; the plasma spray gun 4 is disposed vertically at the center of the upper surface of the furnace body, and the port of the plasma gun 4 is disposed in the high temperature zone 2 in the furnace body. Plasma is a method of generating high temperatures using a plasma torch or plasma beam generated by the electrode, producing a plasma torch or plasma beam can be exchanged, DC, power frequency, and high frequency, etc., the arc temperature is very high and can instantly realize high temperatures. Turn on the power supply, the curr...

Embodiment 2

[0038] Treatment of tetrafluoroethylene residuals and terpene residues, as follows:

[0039] Synergistic processing is carried out in a cracking furnace, and the lysis of furnace furnace negative pressure is controlled in -300Pa;

[0040] Turn on the power supply, current in the port of the plasma spray gun, form a high temperature arc region, when the plasma arc is warmed to 2000 ° C, and Tourifluoroethylene residual liquid, tetrafluoroethylene residue, tetrafluoroethylene residue The entry mass ratio of the ethylene residue is 30 kg / h: 13 kg / h. The tetrafluoroethylene residual group is: 80% -95% octoparbutane, whole fluoroisine isobutylene 5% -10%, tetrafluoroethylene or 5% of the polymer thereof, and a small amount of chlorofluoromethane, etc.; The main ingredient of the ethylenofin is C 10 Hide 16 And the analog is about 80%, and the other is a recombination and a small amount of water, and recombinantly divided into fluorine-containing compounds.

[0041] In an aerobic en...

Embodiment 3

[0046] Treatment of hexafluoropropene residual and terpene residual liquid, as follows:

[0047] Cooperative treatment is carried out in a cracking furnace, and the pulley of the cracking furnace is controlled in -900Pa;

[0048] Turn on the power supply, current in the port of the plasma spray gun, form a high temperature arc region, when the plasma arc is warmed to 2000 ° C, and the hexafluoropropene residual liquid and terpene residue, hexafluoropropylene residual liquid, terpenoids The entry mass ratio of the ethylenofin is 40 kg / h: 17kg / h. Among them, the hexafluoropropylene residual liquid is: about 90% of all fluoroisine, about 10% of octopulfurine, and a small amount of hexafluoropropylene or the like. The main component of terpene residue is C 10 Hide 16 And the analog is about 80%, and the other is a recombination and a small amount of water, and recombinantly divided into fluorine-containing compounds.

[0049] In an aerobic environment, the hexafluoropropylene resi...

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Abstract

The invention belongs to the technical field of chemical waste treatment, particularly discloses a method for cooperatively treating organic fluorine raffinate and terpene raffinate through plasma cracking, and also discloses a treatment device. According to the method for cooperatively treating organic fluorine and terpene raffinate through plasma cracking, the organic fluorine raffinate and the terpene raffinate are mixed according to a ratio and are cracked under the action of plasma high-temperature electric arc in an oxygen-free environment, and carbon black and hydrogen fluoride gas can be obtained through reaction. According to the method disclosed by the invention, comprehensive synergistic treatment of the organic fluorine and the terpene raffinate is realized, the carbon black product with high purity is prepared, the byproduct hydrofluoric acid is also obtained, and the method has good economic and environmental benefits.

Description

Technical field [0001] The present invention relates to the field of chemical waste treatment, and more particularly to a method and apparatus for treating organic fluoroids and terpene residues using plasma cleavage. Background technique [0002] Organic fluoroids and terpene residues are the main waste produced by the fluoropolymer industry. The waste liquid produced during the production of organic fluoropolymers is the organic fluorine-residue, which is currently treated with the conventional method of organic fluorine-residue is incineration treatment. The disadvantage of incineration treatment is that incineration is incadury, high energy consumption, which will cause secondary pollution, and it is easy to produce dioxins. It has been reported to use plasma cleavage to treat organic fluorine waste. A patent application is disclosed as CN109798531A, wherein a method of plasma cleavage treatment of organic fluorine-residue is disclosed. The method is to mix the organic fluori...

Claims

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Application Information

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IPC IPC(8): C01B32/05C01B7/19C02F1/46B01D53/68C02F101/32C02F101/36C02F103/38
CPCC01B32/05C01B7/191C02F1/4608B01D53/68C02F2101/36C02F2101/32C02F2103/38C02F2201/46Y02C20/30
Inventor 李慧叶飞杨陈立义宋亦兰关永昕邓礼洪张光利
Owner ZHONGHAO CHENGUANG RES INST OF CHEMICALINDUSTRY CO LTD
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