ADDITIVES FOR HEAT EXCHANGER DEPOSIT REMOVAL IN WET LAYUP CONDITION
This invention relates to compositions and methods for the at least partial dissolution, disruption and/or removal of deposits, such as scale and other deposits, from heat exchanger components. The heat exchanger components can include pressurized water reactor steam generators. The pressurized wate...
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| creator | CRYTZER, KURTIS R WEICHEL, LAUREN R |
| description | This invention relates to compositions and methods for the at least partial dissolution, disruption and/or removal of deposits, such as scale and other deposits, from heat exchanger components. The heat exchanger components can include pressurized water reactor steam generators. The pressurized water reactor steam generators can be in a wet layup condition. The compositions include elemental metal and complexing agent selected from the group consisting of sequestering agent, chelating agent, dispersant, and mixtures thereof. The methods include introducing the compositions into the heat exchanger components.
L'invention concerne des compositions et des procédés pour la dissolution, la dissociation et/ou l'élimination au moins partielle de dépôts, tels que de la calamine et d'autres dépôts, des composants de l'échangeur de chaleur. Les composants de l'échangeur de chaleur peuvent comporter des générateurs de vapeur à réacteur d'eau sous pression. Les générateurs de vapeur à réacteur d'eau sous pression peuvent se situer dans un état de confection par voie humide. Les compositions comportent un élément métallique et un agent complexant choisi dans le groupe constitué par un agent séquestrant, un agent chélatant, un dispersant et leurs mélanges. Les procédés consistent à introduire les compositions dans les composants de l'échangeur de chaleur. |
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L'invention concerne des compositions et des procédés pour la dissolution, la dissociation et/ou l'élimination au moins partielle de dépôts, tels que de la calamine et d'autres dépôts, des composants de l'échangeur de chaleur. Les composants de l'échangeur de chaleur peuvent comporter des générateurs de vapeur à réacteur d'eau sous pression. Les générateurs de vapeur à réacteur d'eau sous pression peuvent se situer dans un état de confection par voie humide. Les compositions comportent un élément métallique et un agent complexant choisi dans le groupe constitué par un agent séquestrant, un agent chélatant, un dispersant et leurs mélanges. Les procédés consistent à introduire les compositions dans les composants de l'échangeur de chaleur.</description><language>eng ; fre</language><subject>CHEMICAL SURFACE TREATMENT ; CHEMISTRY ; CLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICALMETHODS OTHER THAN ELECTROLYSIS ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING MATERIAL WITH METALLIC MATERIAL ; COATING METALLIC MATERIAL ; DIFFUSION TREATMENT OF METALLIC MATERIAL ; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL ; METALLURGY ; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE</subject><creationdate>2019</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=20190319&DB=EPODOC&CC=CA&NR=2869589C$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190319&DB=EPODOC&CC=CA&NR=2869589C$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>CRYTZER, KURTIS R</creatorcontrib><creatorcontrib>WEICHEL, LAUREN R</creatorcontrib><title>ADDITIVES FOR HEAT EXCHANGER DEPOSIT REMOVAL IN WET LAYUP CONDITION</title><description>This invention relates to compositions and methods for the at least partial dissolution, disruption and/or removal of deposits, such as scale and other deposits, from heat exchanger components. The heat exchanger components can include pressurized water reactor steam generators. The pressurized water reactor steam generators can be in a wet layup condition. The compositions include elemental metal and complexing agent selected from the group consisting of sequestering agent, chelating agent, dispersant, and mixtures thereof. The methods include introducing the compositions into the heat exchanger components.
L'invention concerne des compositions et des procédés pour la dissolution, la dissociation et/ou l'élimination au moins partielle de dépôts, tels que de la calamine et d'autres dépôts, des composants de l'échangeur de chaleur. Les composants de l'échangeur de chaleur peuvent comporter des générateurs de vapeur à réacteur d'eau sous pression. Les générateurs de vapeur à réacteur d'eau sous pression peuvent se situer dans un état de confection par voie humide. Les compositions comportent un élément métallique et un agent complexant choisi dans le groupe constitué par un agent séquestrant, un agent chélatant, un dispersant et leurs mélanges. Les procédés consistent à introduire les compositions dans les composants de l'échangeur de chaleur.</description><subject>CHEMICAL SURFACE TREATMENT</subject><subject>CHEMISTRY</subject><subject>CLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICALMETHODS OTHER THAN ELECTROLYSIS</subject><subject>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</subject><subject>COATING MATERIAL WITH METALLIC MATERIAL</subject><subject>COATING METALLIC MATERIAL</subject><subject>DIFFUSION TREATMENT OF METALLIC MATERIAL</subject><subject>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</subject><subject>METALLURGY</subject><subject>TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2019</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHB2dHHxDPEMcw1WcPMPUvBwdQxRcI1w9nD0c3cNUnBxDfAP9gxRCHL19Q9z9FHw9FMIdw1R8HGMDA1QcPb3A2n19-NhYE1LzClO5YXS3Azybq4hzh66qQX58anFBYnJqXmpJfHOjkYWZpamFpbOxoRVAAB73yqw</recordid><startdate>20190319</startdate><enddate>20190319</enddate><creator>CRYTZER, KURTIS R</creator><creator>WEICHEL, LAUREN R</creator><scope>EVB</scope></search><sort><creationdate>20190319</creationdate><title>ADDITIVES FOR HEAT EXCHANGER DEPOSIT REMOVAL IN WET LAYUP CONDITION</title><author>CRYTZER, KURTIS R ; WEICHEL, LAUREN R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CA2869589C3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>2019</creationdate><topic>CHEMICAL SURFACE TREATMENT</topic><topic>CHEMISTRY</topic><topic>CLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICALMETHODS OTHER THAN ELECTROLYSIS</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING MATERIAL WITH METALLIC MATERIAL</topic><topic>COATING METALLIC MATERIAL</topic><topic>DIFFUSION TREATMENT OF METALLIC MATERIAL</topic><topic>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</topic><topic>METALLURGY</topic><topic>TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE</topic><toplevel>online_resources</toplevel><creatorcontrib>CRYTZER, KURTIS R</creatorcontrib><creatorcontrib>WEICHEL, LAUREN R</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>CRYTZER, KURTIS R</au><au>WEICHEL, LAUREN R</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>ADDITIVES FOR HEAT EXCHANGER DEPOSIT REMOVAL IN WET LAYUP CONDITION</title><date>2019-03-19</date><risdate>2019</risdate><abstract>This invention relates to compositions and methods for the at least partial dissolution, disruption and/or removal of deposits, such as scale and other deposits, from heat exchanger components. The heat exchanger components can include pressurized water reactor steam generators. The pressurized water reactor steam generators can be in a wet layup condition. The compositions include elemental metal and complexing agent selected from the group consisting of sequestering agent, chelating agent, dispersant, and mixtures thereof. The methods include introducing the compositions into the heat exchanger components.
L'invention concerne des compositions et des procédés pour la dissolution, la dissociation et/ou l'élimination au moins partielle de dépôts, tels que de la calamine et d'autres dépôts, des composants de l'échangeur de chaleur. Les composants de l'échangeur de chaleur peuvent comporter des générateurs de vapeur à réacteur d'eau sous pression. Les générateurs de vapeur à réacteur d'eau sous pression peuvent se situer dans un état de confection par voie humide. Les compositions comportent un élément métallique et un agent complexant choisi dans le groupe constitué par un agent séquestrant, un agent chélatant, un dispersant et leurs mélanges. Les procédés consistent à introduire les compositions dans les composants de l'échangeur de chaleur.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMICAL SURFACE TREATMENT CHEMISTRY CLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICALMETHODS OTHER THAN ELECTROLYSIS COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE |
| title | ADDITIVES FOR HEAT EXCHANGER DEPOSIT REMOVAL IN WET LAYUP CONDITION |
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