GB2129009A - Process to increase the yield of pyrolysis oil and to shorten the duration of the pyrolysis - Google Patents

Process to increase the yield of pyrolysis oil and to shorten the duration of the pyrolysis Download PDF

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Publication number
GB2129009A
GB2129009A GB08205519A GB8205519A GB2129009A GB 2129009 A GB2129009 A GB 2129009A GB 08205519 A GB08205519 A GB 08205519A GB 8205519 A GB8205519 A GB 8205519A GB 2129009 A GB2129009 A GB 2129009A
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GB
United Kingdom
Prior art keywords
pyrolysis
duration
increase
shorten
yield
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.)
Withdrawn
Application number
GB08205519A
Inventor
Rupert Holl
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Individual
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Individual
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
Priority claimed from DE19823205603 external-priority patent/DE3205603A1/en
Application filed by Individual filed Critical Individual
Publication of GB2129009A publication Critical patent/GB2129009A/en
Withdrawn legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
    • C10B53/07—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of solid raw materials consisting of synthetic polymeric materials, e.g. tyres
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock
    • Y02P20/143—Feedstock the feedstock being recycled material, e.g. plastics

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)

Abstract

The process is characterised by mixing or immersing the material-input (plastics, rubber etc.) preferably at an increased temperature with one or more liquid hydrocarbons (e.g. pyrolysis oil, partly hydrogenated aromatics etc.) before the pyrolysis. This causes a shortening of the duration of the pyrolysis afterwards, at an increased temperature (700 DEG C) a reduction of the H2O-portion of the condensate as well as an increase in the yield of liquid pyrolysis products.

Description

SPECIFICATION Process to increase the yield of pyrolysis oil and to shorten the duration of the pyrolysis Object of the invention is a process to increase the yield of liquid products by the the pyrolysis and to shorten the duration of the pyrolysis.
At present there are already existing a multitude of pyrolysis processes to gain liquid products, in which the main stress is lying partly on different fractions, substances etc.. DE-PS 424724 is designed to gain low boiling hydrocarbons and DE-PS 2432425 to gain high- boiling hydrocarbons. Some more pyrolysis processes to gain liquid products as chemical raw materials, fuels for heating purposes, fuels etc. are mentioned here substitutionally: DE-PS 635 098, DE-OS 2462 495, DE-OS 26 46 729, DE-OS 25 20 754, DE-OS 26 58 371, DE-OS 2400 284.
Moreover in DE-PS 27 31 810 a special process for the use of high-boiling pyrolysis oil is described.
The production of liquid, storable products is also getting more and more important concerning the substitution of petroleum or tar products.
The objective of the invention therefore is to increase the portion of liquid components of the pyrolysis products.
This objective is achieved by the claims 1 1-4.
The extent of solving or swelling, as a result of the treatment, depends e.g. on the material (-input), the temperature, the pressure, the duration, the used hydrocarbons etc. (see literature; conc. rubber e.g.: E.
Flucke "Zum Quellverhalten ausgewähiter Gummitypen in Transformatorenöl" - Plaste und Kautschuk 15 (1968) No. 5 pp. 362f.).
The pyrolysis of partly or completely swollen and/or solved material or of mixtures containing this material is causing an increase of the liquid and, as well not depending on the pyrolysis process used later on, has further advantages, e.g. as follows: - Shortening of the duration of the pyrolysis, which has a positive effect on the throughput as well as on the specific energy consuption.
- At higher temperature, preferably above 100 C the portion of highly polluted water at the condensation of liquid products is clearly reduced.
- The process allows furthermore a high flexibility concerning the used hydrocarbon (mixture) and can be coupled with pyrolysis processes (e.g. see: level of technology) possibly additional.
Example 1-3 example 1 example 2 example3 rubber granulates weighed portion 100g 100g 100g (1-4mm) hydrocarbon added --- pyrolysis petroleum oil from scrap rubber (140 -220 C) quantity --- 33,4g 33,49 duration of swelling --- 3 hours 3 hours and temperature )+ at 120"C at 120"C duration of pyrolysis 100 min. 80 min. 80 min.
pryolysis products change change (weighed percentage) liquid: oil 42,4 45,5 (+7,3%) 45,5 (+7.3%) H2O (incl. solved 2,8 1,6 (-42%) 1,8 (-35%) substances) )+ cooling to room temperature before pyrolysis begins (at direct case saving of energy and further shortening of the duration of the pyrolysis possible) It was pyrolysed (in example) under absence of air and a slow rise of temperature up to 600"C.
The increase of liquid products is connected with a (indirectly fixed difference pyrolysis products-weighed portion) reduction of the gaseous products (22,9-25,9%, results of several tests).

Claims (4)

1. Process to increase the portion of liquid products'by the pyrolysis (separated or together, with other materials as well) of plastic(s), plastic waste, plastic-containing waste or special waste etc., preferably (natural and synthetic) caoutchouc(s) or rubber, as well as to shorten the pyrolysis process, characterised by the fact that the material has been mixed with (or immersed in) one or more liquid hydrocarbons before.
2. Process acc. to claim 1, characterised by working with increased temperature and corresponding use of one or more higher boiling fractions or substances, that's to say possibly also hydrocarbons solid at normal temperature.
3. Process acc. to claim 1 or 2, characterised by working with increased or reduced pressure.
4. Process acc. to claim 1, 2 or 3, characterised by the use of pyrolysis oil.
GB08205519A 1982-02-17 1982-02-25 Process to increase the yield of pyrolysis oil and to shorten the duration of the pyrolysis Withdrawn GB2129009A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823205603 DE3205603A1 (en) 1981-02-25 1982-02-17 Process for increasing the pyrolysis oil yield and shortening the pyrolysis time

Publications (1)

Publication Number Publication Date
GB2129009A true GB2129009A (en) 1984-05-10

Family

ID=6155935

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08205519A Withdrawn GB2129009A (en) 1982-02-17 1982-02-25 Process to increase the yield of pyrolysis oil and to shorten the duration of the pyrolysis

Country Status (1)

Country Link
GB (1) GB2129009A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19839083A1 (en) * 1998-08-27 2000-03-02 Siemens Ag Recycling of thermoset materials
US8137508B2 (en) 2003-04-08 2012-03-20 Charlie Holding Intellectual Property, Inc. Pyrolytic process for producing enhanced amounts of aromatic compounds

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1390239A (en) * 1972-01-03 1975-04-09 Hydrocarbon Research Inc Hydroconversion of natural and synthetic rubber
GB1535896A (en) * 1976-02-18 1978-12-13 Mobil Oil Corp Pitch and asphalt compositions
GB2024245A (en) * 1978-06-05 1980-01-09 Bipronaft Production of gaseous and liquid fuels and coke from scrap rubber

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1390239A (en) * 1972-01-03 1975-04-09 Hydrocarbon Research Inc Hydroconversion of natural and synthetic rubber
GB1535896A (en) * 1976-02-18 1978-12-13 Mobil Oil Corp Pitch and asphalt compositions
GB2024245A (en) * 1978-06-05 1980-01-09 Bipronaft Production of gaseous and liquid fuels and coke from scrap rubber

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19839083A1 (en) * 1998-08-27 2000-03-02 Siemens Ag Recycling of thermoset materials
DE19839083C2 (en) * 1998-08-27 2001-02-15 Siemens Ag Recycling of thermoset materials
US8137508B2 (en) 2003-04-08 2012-03-20 Charlie Holding Intellectual Property, Inc. Pyrolytic process for producing enhanced amounts of aromatic compounds

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Legal Events

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WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)