Apparatus and method for removing solvent from carbon dioxide in resin recycling system

Bohnert, George W; Hand, Thomas E; DeLaurentiis, Gary M

Title: Apparatus and method for removing solvent from carbon dioxide in resin recycling system

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Abstract

A two-step resin recycling system and method solvent that produces essentially contaminant-free synthetic resin material. The system and method includes one or more solvent wash vessels to expose resin particles to a solvent, the solvent contacting the resin particles in the one or more solvent wash vessels to substantially remove contaminants on the resin particles. A separator is provided to separate the solvent from the resin particles after removal from the one or more solvent wash vessels. The resin particles are next exposed to carbon dioxide in a closed loop carbon dioxide system. The closed loop system includes a carbon dioxide vessel where the carbon dioxide is exposed to the resin, substantially removing any residual solvent remaining on the resin particles after separation. A separation vessel is also provided to separate the solvent from the solvent laden carbon dioxide. Both the carbon dioxide and the solvent are reused after separation in the separation vessel.

Inventors:

Bohnert, George W ^[1]; Hand, Thomas E ^[2]; DeLaurentiis, Gary M ^[3]

Harrisonville, MO
Lee's Summit, MO
Jamestown, CA

Issue Date:: 2009-01-06

Research Org.:: Kansas City Plant (KCP), Kansas City, MO (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 959121

Patent Number(s):: 7473759

Application Number:: 11/733,590

Assignee:: Honeywell Federal Manufacturing & Technologies, LLC (Kansas City, MO)

Patent Classifications (CPCs):: Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02W - CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT

B - PERFORMING OPERATIONS B29 - WORKING OF PLASTICS B29K - INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR {MOULDS, } REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS

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Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02W - CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
Y02W30/62 - Plastics recycling

B - PERFORMING OPERATIONS B29 - WORKING OF PLASTICS B29K - INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR {MOULDS, } REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
B29K2077/00 - Use of {PA, i.e.} polyamides, e.g. polyesteramides {or derivatives thereof}, as moulding material

B - PERFORMING OPERATIONS B08 - CLEANING B08B - CLEANING IN GENERAL
B08B3/104 - {using propellers}

B - PERFORMING OPERATIONS B29 - WORKING OF PLASTICS B29L - INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
B29L2031/3055 - {Cars}

B - PERFORMING OPERATIONS B29 - WORKING OF PLASTICS B29K - INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR {MOULDS, } REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
B29K2067/00 - Use of polyesters {or derivatives thereof}, as moulding material
B29K2023/065 - {HDPE, i.e. high density polyethylene}
B29K2023/06 - {PE, i.e. polyethylene}

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T428/2443 - Sand, clay, or crushed rock or slate

B - PERFORMING OPERATIONS B29 - WORKING OF PLASTICS B29B - PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED
B29B2017/0203 - {Separating plastics from plastics}

B - PERFORMING OPERATIONS B29 - WORKING OF PLASTICS B29K - INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR {MOULDS, } REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
B29K2711/12 - Paper, e.g. cardboard

C - CHEMISTRY C08 - ORGANIC MACROMOLECULAR COMPOUNDS C08F - MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
C08F6/28 - Purification

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02W - CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
Y02W30/52 - Dismantling or mechanical processing of waste for the recovery of materials during separation, disassembly, pre-processing or upgrading

B - PERFORMING OPERATIONS B29 - WORKING OF PLASTICS B29B - PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED
B29B17/02 - Separating plastics from other materials

B - PERFORMING OPERATIONS B29 - WORKING OF PLASTICS B29K - INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR {MOULDS, } REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
B29K2105/065 - {containing impurities}

B - PERFORMING OPERATIONS B29 - WORKING OF PLASTICS B29B - PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED
B29B2017/0293 - {Dissolving the materials in gases or liquids}
B29B2017/0244 - {in liquids}

B - PERFORMING OPERATIONS B08 - CLEANING B08B - CLEANING IN GENERAL
B08B7/0021 - {by liquid gases or supercritical fluids}

B - PERFORMING OPERATIONS B29 - WORKING OF PLASTICS B29L - INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
B29L2031/7158 - {Bottles}

C - CHEMISTRY C08 - ORGANIC MACROMOLECULAR COMPOUNDS C08J - WORKING-UP
C08J11/04 - of polymers

B - PERFORMING OPERATIONS B29 - WORKING OF PLASTICS B29K - INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR {MOULDS, } REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
B29K2023/12 - {PP, i.e. polypropylene}

B - PERFORMING OPERATIONS B29 - WORKING OF PLASTICS B29L - INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
B29L2031/712 - {Containers
B29L2031/565 - {for containers}

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02P - CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
Y02P20/143 - the feedstock being recycled plastics

B - PERFORMING OPERATIONS B29 - WORKING OF PLASTICS B29L - INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
B29L2031/7172 - {Fuel tanks, jerry cans}

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DOE Contract Number:: AC04-01AL66850

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats


                    Bohnert, George W, Hand, Thomas E, and DeLaurentiis, Gary M. Apparatus and method for removing solvent from carbon dioxide in resin recycling system.  United States: N. p., 2009. 
        Web.

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                    Bohnert, George W, Hand, Thomas E, & DeLaurentiis, Gary M. Apparatus and method for removing solvent from carbon dioxide in resin recycling system.  United States.

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                    Bohnert, George W, Hand, Thomas E, and DeLaurentiis, Gary M. Tue .  
        "Apparatus and method for removing solvent from carbon dioxide in resin recycling system".  United States.  https://www.osti.gov/servlets/purl/959121.

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@article{osti_959121,

  title        = {Apparatus and method for removing solvent from carbon dioxide in resin recycling system},

  author       = {Bohnert, George W and Hand, Thomas E and DeLaurentiis, Gary M},

  abstractNote = {A two-step resin recycling system and method solvent that produces essentially contaminant-free synthetic resin material. The system and method includes one or more solvent wash vessels to expose resin particles to a solvent, the solvent contacting the resin particles in the one or more solvent wash vessels to substantially remove contaminants on the resin particles. A separator is provided to separate the solvent from the resin particles after removal from the one or more solvent wash vessels. The resin particles are next exposed to carbon dioxide in a closed loop carbon dioxide system. The closed loop system includes a carbon dioxide vessel where the carbon dioxide is exposed to the resin, substantially removing any residual solvent remaining on the resin particles after separation. A separation vessel is also provided to separate the solvent from the solvent laden carbon dioxide. Both the carbon dioxide and the solvent are reused after separation in the separation vessel.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2009},

  month        = {1}

}

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