Pyrolysis of Tire Rubber: Porosity and Adsorption Characteristics of the Pyrolytic Chars
Tire rubber has been pyrolyzed at various temperatures under a nitrogen atmosphere. The resulting chars have been analyzed for their porosity using nitrogen gas adsorption and for their aqueous adsorption characteristics using phenol, methylene blue, and the reactive dyes Procion Turquoise H-A and P...
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| Veröffentlicht in: | Industrial & engineering chemistry research 1998-06, Vol.37 (6), p.2430-2435 |
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| container_title | Industrial & engineering chemistry research |
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| creator | Miguel, Guillermo San Fowler, Geoffrey D Sollars, Christopher J |
| description | Tire rubber has been pyrolyzed at various temperatures under a nitrogen atmosphere. The resulting chars have been analyzed for their porosity using nitrogen gas adsorption and for their aqueous adsorption characteristics using phenol, methylene blue, and the reactive dyes Procion Turquoise H-A and Procion Red H-E3B. Nitrogen adsorption isotherms were modeled to the BET and Dubinin−Astakhov (DA) equations to determine effective surface areas, mesopore volumes, and micropore volumes. Results showed that pyrolysis of tire rubber was essentially complete at 500 °C and resulted in a char yield of approximately 42 wt %. Pyrolytic chars exhibited BET surface areas up to 85 m2/g and micropore volumes up to 0.04 mL/g. Owing to their poorly developed micropore structure, the pyrolytic chars exhibited limited aqueous adsorption capacity for compounds of small molecular weight, such as phenol. However, the chars possessed significantly greater adsorption capacity for species of large molecular weight which was attributed to the presence of large mesopore volumes (up to 0.19 mL/g). |
| doi_str_mv | 10.1021/ie970728x |
| format | Article |
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The resulting chars have been analyzed for their porosity using nitrogen gas adsorption and for their aqueous adsorption characteristics using phenol, methylene blue, and the reactive dyes Procion Turquoise H-A and Procion Red H-E3B. Nitrogen adsorption isotherms were modeled to the BET and Dubinin−Astakhov (DA) equations to determine effective surface areas, mesopore volumes, and micropore volumes. Results showed that pyrolysis of tire rubber was essentially complete at 500 °C and resulted in a char yield of approximately 42 wt %. Pyrolytic chars exhibited BET surface areas up to 85 m2/g and micropore volumes up to 0.04 mL/g. Owing to their poorly developed micropore structure, the pyrolytic chars exhibited limited aqueous adsorption capacity for compounds of small molecular weight, such as phenol. 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Eng. Chem. Res</addtitle><description>Tire rubber has been pyrolyzed at various temperatures under a nitrogen atmosphere. The resulting chars have been analyzed for their porosity using nitrogen gas adsorption and for their aqueous adsorption characteristics using phenol, methylene blue, and the reactive dyes Procion Turquoise H-A and Procion Red H-E3B. Nitrogen adsorption isotherms were modeled to the BET and Dubinin−Astakhov (DA) equations to determine effective surface areas, mesopore volumes, and micropore volumes. Results showed that pyrolysis of tire rubber was essentially complete at 500 °C and resulted in a char yield of approximately 42 wt %. Pyrolytic chars exhibited BET surface areas up to 85 m2/g and micropore volumes up to 0.04 mL/g. Owing to their poorly developed micropore structure, the pyrolytic chars exhibited limited aqueous adsorption capacity for compounds of small molecular weight, such as phenol. However, the chars possessed significantly greater adsorption capacity for species of large molecular weight which was attributed to the presence of large mesopore volumes (up to 0.19 mL/g).</description><subject>09 BIOMASS FUELS</subject><subject>Adsorbents</subject><subject>Applied sciences</subject><subject>CHARS</subject><subject>Chemistry</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>Other wastes and particular components of wastes</subject><subject>Pollution</subject><subject>Polymer industry, paints, wood</subject><subject>PORE STRUCTURE</subject><subject>POROSITY</subject><subject>PYROLYSIS</subject><subject>PYROLYSIS PRODUCTS</subject><subject>SORPTIVE PROPERTIES</subject><subject>SURFACE AREA</subject><subject>Surface physical chemistry</subject><subject>Technology of polymers</subject><subject>TIRES</subject><subject>WASTE PRODUCT UTILIZATION</subject><subject>Waste treatment</subject><subject>Wastes</subject><issn>0888-5885</issn><issn>1520-5045</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><recordid>eNpt0M9PwyAUB3BiNHFOD_4HNdGDhyrQUqi3ZfFXNuMy58kDoRQy5iwLsGS9efXf9C8RV7OTJ5LH570HXwBOEbxCEKNro0oKKWabPdBDBMOUwJzsgx5kjKWEMXIIjrxfQAgJyfMeeJu0zi5bb3xidTIzTiXTdVUpd_P9-ZVMrLPehDYRTZ0Mam_dKhjbJMO5cEIG5YwPRm5bw1wl3axY2QJ_DA60WHp18nf2wevd7Wz4kI6f7x-Hg3EqMkZDyiQmuhaalqjICUZUsKrUChcsq0pUa1lAXZOy0CyTmlKqCpzlOcsyDCsqK5n1wVk318bXcC9NUHIubdMoGXhBECpJNJedkfFH3inNV858CNdyBPlvcnyXXLTnnV0JL8VSO9FI43cNGJeshDiytGMxBLXZXQv3zguaUcJnkxc-mqLR0wwRjqK_6LyQni_s2jUxlH_W_wCL3onW</recordid><startdate>19980601</startdate><enddate>19980601</enddate><creator>Miguel, Guillermo San</creator><creator>Fowler, Geoffrey D</creator><creator>Sollars, Christopher J</creator><general>American Chemical Society</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope></search><sort><creationdate>19980601</creationdate><title>Pyrolysis of Tire Rubber: Porosity and Adsorption Characteristics of the Pyrolytic Chars</title><author>Miguel, Guillermo San ; Fowler, Geoffrey D ; Sollars, Christopher J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a387t-8c25fdaf791645217a8b9fe2683b91dfc60fd596f83cf777e6234483320b7cbc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1998</creationdate><topic>09 BIOMASS FUELS</topic><topic>Adsorbents</topic><topic>Applied sciences</topic><topic>CHARS</topic><topic>Chemistry</topic><topic>Exact sciences and technology</topic><topic>General and physical chemistry</topic><topic>Other wastes and particular components of wastes</topic><topic>Pollution</topic><topic>Polymer industry, paints, wood</topic><topic>PORE STRUCTURE</topic><topic>POROSITY</topic><topic>PYROLYSIS</topic><topic>PYROLYSIS PRODUCTS</topic><topic>SORPTIVE PROPERTIES</topic><topic>SURFACE AREA</topic><topic>Surface physical chemistry</topic><topic>Technology of polymers</topic><topic>TIRES</topic><topic>WASTE PRODUCT UTILIZATION</topic><topic>Waste treatment</topic><topic>Wastes</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Miguel, Guillermo San</creatorcontrib><creatorcontrib>Fowler, Geoffrey D</creatorcontrib><creatorcontrib>Sollars, Christopher J</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Industrial & engineering chemistry research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Miguel, Guillermo San</au><au>Fowler, Geoffrey D</au><au>Sollars, Christopher J</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Pyrolysis of Tire Rubber: Porosity and Adsorption Characteristics of the Pyrolytic Chars</atitle><jtitle>Industrial & engineering chemistry research</jtitle><addtitle>Ind. Eng. Chem. Res</addtitle><date>1998-06-01</date><risdate>1998</risdate><volume>37</volume><issue>6</issue><spage>2430</spage><epage>2435</epage><pages>2430-2435</pages><issn>0888-5885</issn><eissn>1520-5045</eissn><coden>IECRED</coden><abstract>Tire rubber has been pyrolyzed at various temperatures under a nitrogen atmosphere. The resulting chars have been analyzed for their porosity using nitrogen gas adsorption and for their aqueous adsorption characteristics using phenol, methylene blue, and the reactive dyes Procion Turquoise H-A and Procion Red H-E3B. Nitrogen adsorption isotherms were modeled to the BET and Dubinin−Astakhov (DA) equations to determine effective surface areas, mesopore volumes, and micropore volumes. Results showed that pyrolysis of tire rubber was essentially complete at 500 °C and resulted in a char yield of approximately 42 wt %. Pyrolytic chars exhibited BET surface areas up to 85 m2/g and micropore volumes up to 0.04 mL/g. Owing to their poorly developed micropore structure, the pyrolytic chars exhibited limited aqueous adsorption capacity for compounds of small molecular weight, such as phenol. However, the chars possessed significantly greater adsorption capacity for species of large molecular weight which was attributed to the presence of large mesopore volumes (up to 0.19 mL/g).</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><doi>10.1021/ie970728x</doi><tpages>6</tpages></addata></record> |
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| ispartof | Industrial & engineering chemistry research, 1998-06, Vol.37 (6), p.2430-2435 |
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| source | ACS Publications |
| subjects | 09 BIOMASS FUELS Adsorbents Applied sciences CHARS Chemistry Exact sciences and technology General and physical chemistry Other wastes and particular components of wastes Pollution Polymer industry, paints, wood PORE STRUCTURE POROSITY PYROLYSIS PYROLYSIS PRODUCTS SORPTIVE PROPERTIES SURFACE AREA Surface physical chemistry Technology of polymers TIRES WASTE PRODUCT UTILIZATION Waste treatment Wastes |
| title | Pyrolysis of Tire Rubber: Porosity and Adsorption Characteristics of the Pyrolytic Chars |
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