METHOD OF MOLDING WASTE PLASTIC AND METHOD OF PYROLYZING WASTE PLASTIC
The invention is directed to producing high-density pellets by molding waste plastic and to producing high-strength coke by mixing the pellets with coal and dry-distilling the mixture in a coke oven. As feedstock is used waste plastic that contains polyethylene, polypropylene and polystyrene, which...
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| creator | IBARAKI, TETSUHARU SATO, TAKASHI SHIOZAWA, SYUUICHI SAKATANI, MASATOSHI HIROMATSU, TAKASHI MORI, YASUHIKO TOODA, YUUJI KOSEKI, TSUNEO |
| description | The invention is directed to producing high-density pellets by molding waste plastic and to producing high-strength coke by mixing the pellets with coal and dry-distilling the mixture in a coke oven. As feedstock is used waste plastic that contains polyethylene, polypropylene and polystyrene, which are plastics that soften at a low temperature, at a total rate of 50% or greater. The waste plastic is molded using a molding method of extruding it from a nozzle of a screw-type stuffing machine. In the method of this invention, the waste plastic is heated to 180 - 260 °C in the molding machine and gas in the molding machine is sucked out. By this operation, the polyethylene, polypropylene and/or polystyrene are made molten and the amount of gas in the plastic is reduced. The plastic in this state is compression-molded by extrusion from a nozzle of 15 - 60 mm diameter. The plastic molding obtained is cut into chunks and cooled with a water cooler within 3 seconds after cutting. |
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As feedstock is used waste plastic that contains polyethylene, polypropylene and polystyrene, which are plastics that soften at a low temperature, at a total rate of 50% or greater. The waste plastic is molded using a molding method of extruding it from a nozzle of a screw-type stuffing machine. In the method of this invention, the waste plastic is heated to 180 - 260 °C in the molding machine and gas in the molding machine is sucked out. By this operation, the polyethylene, polypropylene and/or polystyrene are made molten and the amount of gas in the plastic is reduced. The plastic in this state is compression-molded by extrusion from a nozzle of 15 - 60 mm diameter. The plastic molding obtained is cut into chunks and cooled with a water cooler within 3 seconds after cutting.</description><language>eng ; fre ; ger</language><subject>ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL ; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; DESTRUCTIVE DISTILLATION OF CARBONAGEOUS MATERIALS FORPRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS ; FIRELIGHTERS ; FUELS ; FUELS NOT OTHERWISE PROVIDED FOR ; GENERAL PROCESSES OF COMPOUNDING ; LIQUEFIED PETROLEUM GAS ; LUBRICANTS ; MAKING GRANULES OR PREFORMS ; METALLURGY ; NATURAL GAS ; ORGANIC MACROMOLECULAR COMPOUNDS ; PEAT ; PERFORMING OPERATIONS ; PETROLEUM, GAS OR COKE INDUSTRIES ; PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED ; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS ; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K ; TECHNICAL GASES CONTAINING CARBON MONOXIDE ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; TRANSPORTING ; WORKING OF PLASTICS ; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL ; WORKING-UP</subject><creationdate>2009</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20090121&DB=EPODOC&CC=EP&NR=2017050A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20090121&DB=EPODOC&CC=EP&NR=2017050A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>IBARAKI, TETSUHARU</creatorcontrib><creatorcontrib>SATO, TAKASHI</creatorcontrib><creatorcontrib>SHIOZAWA, SYUUICHI</creatorcontrib><creatorcontrib>SAKATANI, MASATOSHI</creatorcontrib><creatorcontrib>HIROMATSU, TAKASHI</creatorcontrib><creatorcontrib>MORI, YASUHIKO</creatorcontrib><creatorcontrib>TOODA, YUUJI</creatorcontrib><creatorcontrib>KOSEKI, TSUNEO</creatorcontrib><title>METHOD OF MOLDING WASTE PLASTIC AND METHOD OF PYROLYZING WASTE PLASTIC</title><description>The invention is directed to producing high-density pellets by molding waste plastic and to producing high-strength coke by mixing the pellets with coal and dry-distilling the mixture in a coke oven. As feedstock is used waste plastic that contains polyethylene, polypropylene and polystyrene, which are plastics that soften at a low temperature, at a total rate of 50% or greater. The waste plastic is molded using a molding method of extruding it from a nozzle of a screw-type stuffing machine. In the method of this invention, the waste plastic is heated to 180 - 260 °C in the molding machine and gas in the molding machine is sucked out. By this operation, the polyethylene, polypropylene and/or polystyrene are made molten and the amount of gas in the plastic is reduced. The plastic in this state is compression-molded by extrusion from a nozzle of 15 - 60 mm diameter. The plastic molding obtained is cut into chunks and cooled with a water cooler within 3 seconds after cutting.</description><subject>ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL</subject><subject>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G</subject><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>DESTRUCTIVE DISTILLATION OF CARBONAGEOUS MATERIALS FORPRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS</subject><subject>FIRELIGHTERS</subject><subject>FUELS</subject><subject>FUELS NOT OTHERWISE PROVIDED FOR</subject><subject>GENERAL PROCESSES OF COMPOUNDING</subject><subject>LIQUEFIED PETROLEUM GAS</subject><subject>LUBRICANTS</subject><subject>MAKING GRANULES OR PREFORMS</subject><subject>METALLURGY</subject><subject>NATURAL GAS</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>PEAT</subject><subject>PERFORMING OPERATIONS</subject><subject>PETROLEUM, GAS OR COKE INDUSTRIES</subject><subject>PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED</subject><subject>RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS</subject><subject>SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K</subject><subject>TECHNICAL GASES CONTAINING CARBON MONOXIDE</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><subject>TRANSPORTING</subject><subject>WORKING OF PLASTICS</subject><subject>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><subject>WORKING-UP</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2009</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHDzdQ3x8HdR8HdT8PX3cfH0c1cIdwwOcVUI8AFSns4Kjn4uCgg1AZFB_j6RURjKeBhY0xJzilN5oTQ3g4Kba4izh25qQX58anFBYnJqXmpJvGuAkYGhuYGpgaOhMRFKAE2EK8s</recordid><startdate>20090121</startdate><enddate>20090121</enddate><creator>IBARAKI, TETSUHARU</creator><creator>SATO, TAKASHI</creator><creator>SHIOZAWA, SYUUICHI</creator><creator>SAKATANI, MASATOSHI</creator><creator>HIROMATSU, TAKASHI</creator><creator>MORI, YASUHIKO</creator><creator>TOODA, YUUJI</creator><creator>KOSEKI, TSUNEO</creator><scope>EVB</scope></search><sort><creationdate>20090121</creationdate><title>METHOD OF MOLDING WASTE PLASTIC AND METHOD OF PYROLYZING WASTE PLASTIC</title><author>IBARAKI, TETSUHARU ; SATO, TAKASHI ; SHIOZAWA, SYUUICHI ; SAKATANI, MASATOSHI ; HIROMATSU, TAKASHI ; MORI, YASUHIKO ; TOODA, YUUJI ; KOSEKI, TSUNEO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP2017050A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2009</creationdate><topic>ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL</topic><topic>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>DESTRUCTIVE DISTILLATION OF CARBONAGEOUS MATERIALS FORPRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS</topic><topic>FIRELIGHTERS</topic><topic>FUELS</topic><topic>FUELS NOT OTHERWISE PROVIDED FOR</topic><topic>GENERAL PROCESSES OF COMPOUNDING</topic><topic>LIQUEFIED PETROLEUM GAS</topic><topic>LUBRICANTS</topic><topic>MAKING GRANULES OR PREFORMS</topic><topic>METALLURGY</topic><topic>NATURAL GAS</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>PEAT</topic><topic>PERFORMING OPERATIONS</topic><topic>PETROLEUM, GAS OR COKE INDUSTRIES</topic><topic>PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED</topic><topic>RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS</topic><topic>SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K</topic><topic>TECHNICAL GASES CONTAINING CARBON MONOXIDE</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><topic>TRANSPORTING</topic><topic>WORKING OF PLASTICS</topic><topic>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</topic><topic>WORKING-UP</topic><toplevel>online_resources</toplevel><creatorcontrib>IBARAKI, TETSUHARU</creatorcontrib><creatorcontrib>SATO, TAKASHI</creatorcontrib><creatorcontrib>SHIOZAWA, SYUUICHI</creatorcontrib><creatorcontrib>SAKATANI, MASATOSHI</creatorcontrib><creatorcontrib>HIROMATSU, TAKASHI</creatorcontrib><creatorcontrib>MORI, YASUHIKO</creatorcontrib><creatorcontrib>TOODA, YUUJI</creatorcontrib><creatorcontrib>KOSEKI, TSUNEO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>IBARAKI, TETSUHARU</au><au>SATO, TAKASHI</au><au>SHIOZAWA, SYUUICHI</au><au>SAKATANI, MASATOSHI</au><au>HIROMATSU, TAKASHI</au><au>MORI, YASUHIKO</au><au>TOODA, YUUJI</au><au>KOSEKI, TSUNEO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD OF MOLDING WASTE PLASTIC AND METHOD OF PYROLYZING WASTE PLASTIC</title><date>2009-01-21</date><risdate>2009</risdate><abstract>The invention is directed to producing high-density pellets by molding waste plastic and to producing high-strength coke by mixing the pellets with coal and dry-distilling the mixture in a coke oven. As feedstock is used waste plastic that contains polyethylene, polypropylene and polystyrene, which are plastics that soften at a low temperature, at a total rate of 50% or greater. The waste plastic is molded using a molding method of extruding it from a nozzle of a screw-type stuffing machine. In the method of this invention, the waste plastic is heated to 180 - 260 °C in the molding machine and gas in the molding machine is sucked out. By this operation, the polyethylene, polypropylene and/or polystyrene are made molten and the amount of gas in the plastic is reduced. The plastic in this state is compression-molded by extrusion from a nozzle of 15 - 60 mm diameter. The plastic molding obtained is cut into chunks and cooled with a water cooler within 3 seconds after cutting.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON DESTRUCTIVE DISTILLATION OF CARBONAGEOUS MATERIALS FORPRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS FIRELIGHTERS FUELS FUELS NOT OTHERWISE PROVIDED FOR GENERAL PROCESSES OF COMPOUNDING LIQUEFIED PETROLEUM GAS LUBRICANTS MAKING GRANULES OR PREFORMS METALLURGY NATURAL GAS ORGANIC MACROMOLECULAR COMPOUNDS PEAT PERFORMING OPERATIONS PETROLEUM, GAS OR COKE INDUSTRIES PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K TECHNICAL GASES CONTAINING CARBON MONOXIDE THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP |
| title | METHOD OF MOLDING WASTE PLASTIC AND METHOD OF PYROLYZING WASTE PLASTIC |
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