JPS5784721A - Method and apparatus for pyrolyzing polyvinyl chloride - Google Patents

Method and apparatus for pyrolyzing polyvinyl chloride

Info

Publication number
JPS5784721A
JPS5784721A JP16280180A JP16280180A JPS5784721A JP S5784721 A JPS5784721 A JP S5784721A JP 16280180 A JP16280180 A JP 16280180A JP 16280180 A JP16280180 A JP 16280180A JP S5784721 A JPS5784721 A JP S5784721A
Authority
JP
Japan
Prior art keywords
hydrochloric acid
tower
gas
oil
fed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP16280180A
Other languages
Japanese (ja)
Other versions
JPS6054981B2 (en
Inventor
Toyoji Kitajima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chugai Ro Co Ltd
Original Assignee
Chugai Ro Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chugai Ro Co Ltd filed Critical Chugai Ro Co Ltd
Priority to JP55162801A priority Critical patent/JPS6054981B2/en
Publication of JPS5784721A publication Critical patent/JPS5784721A/en
Publication of JPS6054981B2 publication Critical patent/JPS6054981B2/en
Expired legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Landscapes

  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Treating Waste Gases (AREA)
  • Processing Of Solid Wastes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

PURPOSE: To recover an oil with a low Cl content and hydrochloric acid containing little impurities easily and with a simple device, by a method wherein a gas formed by pyrolysis of PVC is brought into bubbling in hydrochloric acid, and after recovering oily components, the gas is cooled with hydrochloric acid to recover the oily components and hydrogen chloride.
CONSTITUTION: The gas formed by the pyrolysis of PVC in a pyrolyzing furnace 1 is introduced into a bubbling-type cooling tower 4, in which it is cooled by bubbling in hydrochloric acid at 95W105°C. The hydrochloric acid is fed into a separating tank 9 for heavy oil and hydrochloric acid, and oil components are recovered by washing with warm in a washing tank 12. The hydrochloric acid thus separated is fed into a phthalic acid separating tank 16 to crystallize phthalic acid by cooling, and the hydrochloric acid is circulated into the cooling tower 4. A gas discharged from the tower 4 is washed with hydrochoric acid in a recovering tower 20 to recover oil components and HCl contained in the gas, then the oil components and HCl are separated from each other by a separating tank 23 for light oil and hydrochloric acid, and the hydrochloric acid is circulated into the recovering tower 20 after cooling it by a cooler 24. A gas discharged from the tower 20 is stored in a gas holder 39 after passing through a washing tower and a conditioning tower 37 for eliminating harmful components, and is used as a fuel for the furnace 1. A portion of hydrochloric acid is fed into an air stripping tower 26 to remove low-boiling organic substances and then it is fed into a hydrochloric acid reservoir.
COPYRIGHT: (C)1982,JPO&Japio
JP55162801A 1980-11-18 1980-11-18 Pyrolysis treatment method and equipment for vinyl chloride Expired JPS6054981B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55162801A JPS6054981B2 (en) 1980-11-18 1980-11-18 Pyrolysis treatment method and equipment for vinyl chloride

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55162801A JPS6054981B2 (en) 1980-11-18 1980-11-18 Pyrolysis treatment method and equipment for vinyl chloride

Publications (2)

Publication Number Publication Date
JPS5784721A true JPS5784721A (en) 1982-05-27
JPS6054981B2 JPS6054981B2 (en) 1985-12-03

Family

ID=15761466

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55162801A Expired JPS6054981B2 (en) 1980-11-18 1980-11-18 Pyrolysis treatment method and equipment for vinyl chloride

Country Status (1)

Country Link
JP (1) JPS6054981B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0617984A1 (en) * 1993-03-16 1994-10-05 MOTODA ELECTRONICS Co., Ltd. Methods for dechlorination disposal of polyvinyl chloride wastes and apparatus thereof
CN103586258A (en) * 2013-11-11 2014-02-19 张艺璇 Resource self-consuming type garbage treatment system for white garbage and catalyst of resource self-consuming type garbage treatment system
CN116553555A (en) * 2023-07-07 2023-08-08 通威微电子有限公司 Synthesis method of large kilogram silicon carbide powder and silicon carbide powder

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0617984A1 (en) * 1993-03-16 1994-10-05 MOTODA ELECTRONICS Co., Ltd. Methods for dechlorination disposal of polyvinyl chloride wastes and apparatus thereof
CN103586258A (en) * 2013-11-11 2014-02-19 张艺璇 Resource self-consuming type garbage treatment system for white garbage and catalyst of resource self-consuming type garbage treatment system
CN116553555A (en) * 2023-07-07 2023-08-08 通威微电子有限公司 Synthesis method of large kilogram silicon carbide powder and silicon carbide powder
CN116553555B (en) * 2023-07-07 2023-09-26 通威微电子有限公司 Synthesis method of large kilogram of silicon carbide powder

Also Published As

Publication number Publication date
JPS6054981B2 (en) 1985-12-03

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