Hydrofile dispersjonspolymerer av diallyldimetyl ammoniumklorid og akrylamid for klaring av avsvertingsprosessvann
The invention comprises a method for clarifying ink-laden water obtained fro m the recycling of paper stocks by treating said water with a hydrohilic dispersion polymer. The hydrophilic dispersion polymer of the invention is a copolymer of a diallyl N,N-disubstituted ammonium halide cationic monomer...
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| creator | TUBERGEN, KAREN R SHING, JANE BERYL WONG |
| description | The invention comprises a method for clarifying ink-laden water obtained fro m the recycling of paper stocks by treating said water with a hydrohilic dispersion polymer. The hydrophilic dispersion polymer of the invention is a copolymer of a diallyl N,N-disubstituted ammonium halide cationic monomer an d (meth)acrylamide (AcAm). Following dosing with the polymer, a floc is formed . The floc contains ink and impurities which are removed from the water proces s stream by means of solid liquid separation; the solid liquid separation comprising a dissolved air flotation method. A preferred copolymer is formed from DADMAC and AcAm. |
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The hydrophilic dispersion polymer of the invention is a copolymer of a diallyl N,N-disubstituted ammonium halide cationic monomer an d (meth)acrylamide (AcAm). Following dosing with the polymer, a floc is formed . The floc contains ink and impurities which are removed from the water proces s stream by means of solid liquid separation; the solid liquid separation comprising a dissolved air flotation method. A preferred copolymer is formed from DADMAC and AcAm.</description><edition>7</edition><language>nor</language><subject>APPARATUS THEREFOR ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; PAPER-MAKING ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; PRODUCTION OF CELLULOSE ; PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS ; REGENERATION OF PULPING LIQUORS ; SEPARATION ; TEXTILES ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; TRANSPORTING ; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE ; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS</subject><creationdate>2001</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=20010731&DB=EPODOC&CC=NO&NR=20012713L$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20010731&DB=EPODOC&CC=NO&NR=20012713L$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TUBERGEN, KAREN R</creatorcontrib><creatorcontrib>SHING, JANE BERYL WONG</creatorcontrib><title>Hydrofile dispersjonspolymerer av diallyldimetyl ammoniumklorid og akrylamid for klaring av avsvertingsprosessvann</title><description>The invention comprises a method for clarifying ink-laden water obtained fro m the recycling of paper stocks by treating said water with a hydrohilic dispersion polymer. The hydrophilic dispersion polymer of the invention is a copolymer of a diallyl N,N-disubstituted ammonium halide cationic monomer an d (meth)acrylamide (AcAm). Following dosing with the polymer, a floc is formed . The floc contains ink and impurities which are removed from the water proces s stream by means of solid liquid separation; the solid liquid separation comprising a dissolved air flotation method. A preferred copolymer is formed from DADMAC and AcAm.</description><subject>APPARATUS THEREFOR</subject><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</subject><subject>MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS</subject><subject>METALLURGY</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>PAPER-MAKING</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</subject><subject>PRODUCTION OF CELLULOSE</subject><subject>PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS</subject><subject>REGENERATION OF PULPING LIQUORS</subject><subject>SEPARATION</subject><subject>TEXTILES</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><subject>TRANSPORTING</subject><subject>TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE</subject><subject>USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2001</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNi00KwjAQRrtxIeod4gGE_iw8gFS6KLpxXwYzLbGTTJipgdzeCh7A1eM9vm9bSJet8OgIjXUaUfTFQSNT9igoBtLagSiTdR6XTAa85-DefiYWZw1PBmbJBH6VkcXMBOLC9H1C0oSyrKZRWFE1QQj7YjMCKR5-3BXHa_u4dCeMPKBGeGLAZbjd67Ks6nPV9H3zz-YDVxtG0g</recordid><startdate>20010731</startdate><enddate>20010731</enddate><creator>TUBERGEN, KAREN R</creator><creator>SHING, JANE BERYL WONG</creator><scope>EVB</scope></search><sort><creationdate>20010731</creationdate><title>Hydrofile dispersjonspolymerer av diallyldimetyl ammoniumklorid og akrylamid for klaring av avsvertingsprosessvann</title><author>TUBERGEN, KAREN R ; SHING, JANE BERYL WONG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_NO20012713LL3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>nor</language><creationdate>2001</creationdate><topic>APPARATUS THEREFOR</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</topic><topic>MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS</topic><topic>METALLURGY</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>PAPER-MAKING</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</topic><topic>PRODUCTION OF CELLULOSE</topic><topic>PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS</topic><topic>REGENERATION OF PULPING LIQUORS</topic><topic>SEPARATION</topic><topic>TEXTILES</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><topic>TRANSPORTING</topic><topic>TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE</topic><topic>USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS</topic><toplevel>online_resources</toplevel><creatorcontrib>TUBERGEN, KAREN R</creatorcontrib><creatorcontrib>SHING, JANE BERYL WONG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TUBERGEN, KAREN R</au><au>SHING, JANE BERYL WONG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Hydrofile dispersjonspolymerer av diallyldimetyl ammoniumklorid og akrylamid for klaring av avsvertingsprosessvann</title><date>2001-07-31</date><risdate>2001</risdate><abstract>The invention comprises a method for clarifying ink-laden water obtained fro m the recycling of paper stocks by treating said water with a hydrohilic dispersion polymer. The hydrophilic dispersion polymer of the invention is a copolymer of a diallyl N,N-disubstituted ammonium halide cationic monomer an d (meth)acrylamide (AcAm). Following dosing with the polymer, a floc is formed . The floc contains ink and impurities which are removed from the water proces s stream by means of solid liquid separation; the solid liquid separation comprising a dissolved air flotation method. A preferred copolymer is formed from DADMAC and AcAm.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | APPARATUS THEREFOR CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PAPER-MAKING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRODUCTION OF CELLULOSE PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS SEPARATION TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS |
| title | Hydrofile dispersjonspolymerer av diallyldimetyl ammoniumklorid og akrylamid for klaring av avsvertingsprosessvann |
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