Immobilisation of pollutants in and by clay materials
A method is described for the immobilisation of metal ions within a clay material so as to prevent or decrease their rate of removal therefrom. The method comprises the steps of heating the clay material containing the metal ions to a temperature whereby at least a substantial part of the water of h...
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| creator | SYLVESTER, PAUL STAFFORD, CHRISTOPHER J RICHARDSON, STEPHEN |
| description | A method is described for the immobilisation of metal ions within a clay material so as to prevent or decrease their rate of removal therefrom. The method comprises the steps of heating the clay material containing the metal ions to a temperature whereby at least a substantial part of the water of hydroxylation is driven off from the clay so as to produce a permanent and irreversible structure change of the clay mineral material such that an increased proportion of said metal ions are more strongly bonded to the altered clay mineral structure. |
| format | Patent |
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The method comprises the steps of heating the clay material containing the metal ions to a temperature whereby at least a substantial part of the water of hydroxylation is driven off from the clay so as to produce a permanent and irreversible structure change of the clay mineral material such that an increased proportion of said metal ions are more strongly bonded to the altered clay mineral structure.</description><edition>6</edition><language>eng ; fre ; ger</language><subject>CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS ; CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING ORPROTECTING AGAINST HARMFUL CHEMICAL AGENTS ; DECONTAMINATION ARRANGEMENTS THEREFOR ; DISPOSAL OF SOLID WASTE ; FIRE-FIGHTING ; HUMAN NECESSITIES ; LIFE-SAVING ; NUCLEAR ENGINEERING ; NUCLEAR PHYSICS ; PERFORMING OPERATIONS ; PHYSICS ; PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT ; RECLAMATION OF CONTAMINATED SOIL ; RECLAMATION OF CONTAMINED SOIL SOIL ; TRANSPORTING ; TREATING RADIOACTIVELY CONTAMINATED MATERIAL</subject><creationdate>1996</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=19960522&DB=EPODOC&CC=EP&NR=0712643A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19960522&DB=EPODOC&CC=EP&NR=0712643A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SYLVESTER, PAUL</creatorcontrib><creatorcontrib>STAFFORD, CHRISTOPHER J</creatorcontrib><creatorcontrib>RICHARDSON, STEPHEN</creatorcontrib><title>Immobilisation of pollutants in and by clay materials</title><description>A method is described for the immobilisation of metal ions within a clay material so as to prevent or decrease their rate of removal therefrom. The method comprises the steps of heating the clay material containing the metal ions to a temperature whereby at least a substantial part of the water of hydroxylation is driven off from the clay so as to produce a permanent and irreversible structure change of the clay mineral material such that an increased proportion of said metal ions are more strongly bonded to the altered clay mineral structure.</description><subject>CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS</subject><subject>CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING ORPROTECTING AGAINST HARMFUL CHEMICAL AGENTS</subject><subject>DECONTAMINATION ARRANGEMENTS THEREFOR</subject><subject>DISPOSAL OF SOLID WASTE</subject><subject>FIRE-FIGHTING</subject><subject>HUMAN NECESSITIES</subject><subject>LIFE-SAVING</subject><subject>NUCLEAR ENGINEERING</subject><subject>NUCLEAR PHYSICS</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICS</subject><subject>PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT</subject><subject>RECLAMATION OF CONTAMINATED SOIL</subject><subject>RECLAMATION OF CONTAMINED SOIL SOIL</subject><subject>TRANSPORTING</subject><subject>TREATING RADIOACTIVELY CONTAMINATED MATERIAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1996</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDD1zM3NT8rMySxOLMnMz1PIT1MoyM_JKS1JzCspVsjMU0jMS1FIqlRIzkmsVMhNLEktykzMKeZhYE0DUqm8UJqbQcHNNcTZQze1ID8-tbggMTk1L7Uk3jXAwNzQyMzE2NHQmAglABxBLM0</recordid><startdate>19960522</startdate><enddate>19960522</enddate><creator>SYLVESTER, PAUL</creator><creator>STAFFORD, CHRISTOPHER J</creator><creator>RICHARDSON, STEPHEN</creator><scope>EVB</scope></search><sort><creationdate>19960522</creationdate><title>Immobilisation of pollutants in and by clay materials</title><author>SYLVESTER, PAUL ; STAFFORD, CHRISTOPHER J ; RICHARDSON, STEPHEN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP0712643A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>1996</creationdate><topic>CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS</topic><topic>CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING ORPROTECTING AGAINST HARMFUL CHEMICAL AGENTS</topic><topic>DECONTAMINATION ARRANGEMENTS THEREFOR</topic><topic>DISPOSAL OF SOLID WASTE</topic><topic>FIRE-FIGHTING</topic><topic>HUMAN NECESSITIES</topic><topic>LIFE-SAVING</topic><topic>NUCLEAR ENGINEERING</topic><topic>NUCLEAR PHYSICS</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICS</topic><topic>PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT</topic><topic>RECLAMATION OF CONTAMINATED SOIL</topic><topic>RECLAMATION OF CONTAMINED SOIL SOIL</topic><topic>TRANSPORTING</topic><topic>TREATING RADIOACTIVELY CONTAMINATED MATERIAL</topic><toplevel>online_resources</toplevel><creatorcontrib>SYLVESTER, PAUL</creatorcontrib><creatorcontrib>STAFFORD, CHRISTOPHER J</creatorcontrib><creatorcontrib>RICHARDSON, STEPHEN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SYLVESTER, PAUL</au><au>STAFFORD, CHRISTOPHER J</au><au>RICHARDSON, STEPHEN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Immobilisation of pollutants in and by clay materials</title><date>1996-05-22</date><risdate>1996</risdate><abstract>A method is described for the immobilisation of metal ions within a clay material so as to prevent or decrease their rate of removal therefrom. The method comprises the steps of heating the clay material containing the metal ions to a temperature whereby at least a substantial part of the water of hydroxylation is driven off from the clay so as to produce a permanent and irreversible structure change of the clay mineral material such that an increased proportion of said metal ions are more strongly bonded to the altered clay mineral structure.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING ORPROTECTING AGAINST HARMFUL CHEMICAL AGENTS DECONTAMINATION ARRANGEMENTS THEREFOR DISPOSAL OF SOLID WASTE FIRE-FIGHTING HUMAN NECESSITIES LIFE-SAVING NUCLEAR ENGINEERING NUCLEAR PHYSICS PERFORMING OPERATIONS PHYSICS PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT RECLAMATION OF CONTAMINATED SOIL RECLAMATION OF CONTAMINED SOIL SOIL TRANSPORTING TREATING RADIOACTIVELY CONTAMINATED MATERIAL |
| title | Immobilisation of pollutants in and by clay materials |
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