UST965002I4 - Steam treatment of vulcanized-scrap-rubber pyrolysis char - Google Patents

Steam treatment of vulcanized-scrap-rubber pyrolysis char Download PDF

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Publication number
UST965002I4
UST965002I4 US05/766,834 US76683477A UST965002I4 US T965002 I4 UST965002 I4 US T965002I4 US 76683477 A US76683477 A US 76683477A US T965002 I4 UST965002 I4 US T965002I4
Authority
US
United States
Prior art keywords
scrap
vulcanized
steam treatment
pyrolysis char
rubber pyrolysis
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.)
Pending
Application number
US05/766,834
Inventor
Grant Crane
Edward L. Kay
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.)
Bridgestone Firestone Inc
Original Assignee
Firestone Tire and Rubber Co
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 Firestone Tire and Rubber Co filed Critical Firestone Tire and Rubber Co
Application granted granted Critical
Publication of UST965002I4 publication Critical patent/UST965002I4/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/44—Carbon
    • C09C1/48—Carbon black
    • C09C1/482—Preparation from used rubber products, e.g. tyres
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/30—Active carbon
    • C01B32/312—Preparation
    • C01B32/318—Preparation characterised by the starting materials
    • C01B32/324—Preparation characterised by the starting materials from waste materials, e.g. tyres or spent sulfite pulp liquor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus

Abstract

scrap rubber is pyrolyzed in the substantial absence of air and treated with steam. The steam treatment can be carried out simultaneously with the pyrolysis or subsequently or it may be carried out both in part simultaneously with the pyrolysis and subsequently. Different products are obtained.
US05/766,834 1976-07-27 1977-02-07 Steam treatment of vulcanized-scrap-rubber pyrolysis char Pending UST965002I4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70903076A 1976-07-27 1976-07-27

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US70903076A Continuation 1976-07-27 1976-07-27

Publications (1)

Publication Number Publication Date
UST965002I4 true UST965002I4 (en) 1977-12-06

Family

ID=24848199

Family Applications (1)

Application Number Title Priority Date Filing Date
US05/766,834 Pending UST965002I4 (en) 1976-07-27 1977-02-07 Steam treatment of vulcanized-scrap-rubber pyrolysis char

Country Status (1)

Country Link
US (1) UST965002I4 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4647443A (en) 1984-10-12 1987-03-03 Fred Apffel Recovery process
US5037628A (en) * 1987-08-14 1991-08-06 American Tire Reclamation, Inc. Method for reclaiming carbonaceous material from a waste material
US5427022A (en) * 1992-10-27 1995-06-27 American Tire Reclamation, Inc. Apparatus for axial compression of tires having aligning member
US5516952A (en) * 1993-08-11 1996-05-14 The University Of Akron Oxidative decoupling of scrap rubber
US20040214906A1 (en) * 2003-04-22 2004-10-28 Harrison Brian H. Rubber reduction

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4647443A (en) 1984-10-12 1987-03-03 Fred Apffel Recovery process
US5037628A (en) * 1987-08-14 1991-08-06 American Tire Reclamation, Inc. Method for reclaiming carbonaceous material from a waste material
US5427022A (en) * 1992-10-27 1995-06-27 American Tire Reclamation, Inc. Apparatus for axial compression of tires having aligning member
US5516952A (en) * 1993-08-11 1996-05-14 The University Of Akron Oxidative decoupling of scrap rubber
US20040214906A1 (en) * 2003-04-22 2004-10-28 Harrison Brian H. Rubber reduction
US7166658B2 (en) 2003-04-22 2007-01-23 Sorbecon Consultants Inc. Rubber reduction

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