Method to protect the component of the primary system of a boiling-water reactor especially from stress-crack corrosion
This invention relates to a method to protect the component of the primary system of a boiling-water reactor especially from stress-crack corrosion, in which a reduction-medium is fed into the primary cooling-medium, so as to reduce the concentration of oxidization-causing substances or to move the...
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| creator | RUEHLE, WILFRIED STELLWAG, BERNHARD |
| description | This invention relates to a method to protect the component of the primary system of a boiling-water reactor especially from stress-crack corrosion, in which a reduction-medium is fed into the primary cooling-medium, so as to reduce the concentration of oxidization-causing substances or to move the electro-chemical potential of the component-surfaces coated with an oxide-layer towards negative values. According to this invention, it is suggested that an alcohol oxidizable under the conditions of a reactor is fed into the primary cooling-medium preferably in fluid form as reduction-medium, where the component-surfaces are blank or coated only with an eigen-oxide-layer. |
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According to this invention, it is suggested that an alcohol oxidizable under the conditions of a reactor is fed into the primary cooling-medium preferably in fluid form as reduction-medium, where the component-surfaces are blank or coated only with an eigen-oxide-layer.</description><edition>7</edition><language>eng</language><subject>CHEMICAL SURFACE TREATMENT ; CHEMISTRY ; 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 ; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25 ; NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE ; NUCLEAR ENGINEERING ; NUCLEAR PHYSICS ; NUCLEAR POWER PLANT ; NUCLEAR REACTORS ; PHYSICS</subject><creationdate>2003</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=20030921&DB=EPODOC&CC=TW&NR=554347B$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20030921&DB=EPODOC&CC=TW&NR=554347B$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>RUEHLE, WILFRIED</creatorcontrib><creatorcontrib>STELLWAG, BERNHARD</creatorcontrib><title>Method to protect the component of the primary system of a boiling-water reactor especially from stress-crack corrosion</title><description>This invention relates to a method to protect the component of the primary system of a boiling-water reactor especially from stress-crack corrosion, in which a reduction-medium is fed into the primary cooling-medium, so as to reduce the concentration of oxidization-causing substances or to move the electro-chemical potential of the component-surfaces coated with an oxide-layer towards negative values. According to this invention, it is suggested that an alcohol oxidizable under the conditions of a reactor is fed into the primary cooling-medium preferably in fluid form as reduction-medium, where the component-surfaces are blank or coated only with an eigen-oxide-layer.</description><subject>CHEMICAL SURFACE TREATMENT</subject><subject>CHEMISTRY</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>MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25</subject><subject>NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE</subject><subject>NUCLEAR ENGINEERING</subject><subject>NUCLEAR PHYSICS</subject><subject>NUCLEAR POWER PLANT</subject><subject>NUCLEAR REACTORS</subject><subject>PHYSICS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2003</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqFjDEKwkAQANNYiPoG9wOpkmAfUWzsApZhPTfm8O722F0I-b1R7K0GhmHWxXQlG_kBxpCFjZyBjQSOY-ZEyYCHr8jiI8oMOqtR_FiEO_vg07Oc0EhACJ2xAGkm5zGEGQbhCGpCqqUTdK_lK8LqOW2L1YBBaffjptifT93xUlLmflmgo0TWd7emqav60LbV_-INi4JF8A</recordid><startdate>20030921</startdate><enddate>20030921</enddate><creator>RUEHLE, WILFRIED</creator><creator>STELLWAG, BERNHARD</creator><scope>EVB</scope></search><sort><creationdate>20030921</creationdate><title>Method to protect the component of the primary system of a boiling-water reactor especially from stress-crack corrosion</title><author>RUEHLE, WILFRIED ; STELLWAG, BERNHARD</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_TW554347BB3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2003</creationdate><topic>CHEMICAL SURFACE TREATMENT</topic><topic>CHEMISTRY</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>MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25</topic><topic>NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE</topic><topic>NUCLEAR ENGINEERING</topic><topic>NUCLEAR PHYSICS</topic><topic>NUCLEAR POWER PLANT</topic><topic>NUCLEAR REACTORS</topic><topic>PHYSICS</topic><toplevel>online_resources</toplevel><creatorcontrib>RUEHLE, WILFRIED</creatorcontrib><creatorcontrib>STELLWAG, BERNHARD</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>RUEHLE, WILFRIED</au><au>STELLWAG, BERNHARD</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method to protect the component of the primary system of a boiling-water reactor especially from stress-crack corrosion</title><date>2003-09-21</date><risdate>2003</risdate><abstract>This invention relates to a method to protect the component of the primary system of a boiling-water reactor especially from stress-crack corrosion, in which a reduction-medium is fed into the primary cooling-medium, so as to reduce the concentration of oxidization-causing substances or to move the electro-chemical potential of the component-surfaces coated with an oxide-layer towards negative values. According to this invention, it is suggested that an alcohol oxidizable under the conditions of a reactor is fed into the primary cooling-medium preferably in fluid form as reduction-medium, where the component-surfaces are blank or coated only with an eigen-oxide-layer.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMICAL SURFACE TREATMENT CHEMISTRY 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 MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25 NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE NUCLEAR ENGINEERING NUCLEAR PHYSICS NUCLEAR POWER PLANT NUCLEAR REACTORS PHYSICS |
| title | Method to protect the component of the primary system of a boiling-water reactor especially from stress-crack corrosion |
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