PROCEDE D'EPURATION DE GAZ DE FOURS CONTENANT DU CYANURE, PRODUITS DANS L'INDUSTRIE METALLURGIQUE
L'INVENTION CONCERNE UN PROCEDE D'EPURATION DE GAZ DE FOURS CONTENANT DU CYANURE, PRODUITS DANS L'INDUSTRIE METALLURGIQUE. EN VUE DE REDUIRE LE PASSAGE DU CYANURE DES GAZ DE FOURS A L'EAU DE LAVAGE, L'ACIDITE DE LA SOLUTION D'EAU DE LAVAGE EN CIRCULATION EST CONTROLEE E...
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| creator | RISTO JOHANNES HONKALA, MATTI ELIAS HONKANIEMI, JAAKKO TEIJO ILMARI POIJARVI, FRANS HEIKKI TUOVINEN ET MATTI OLAVI VATTULAINEN |
| description | L'INVENTION CONCERNE UN PROCEDE D'EPURATION DE GAZ DE FOURS CONTENANT DU CYANURE, PRODUITS DANS L'INDUSTRIE METALLURGIQUE. EN VUE DE REDUIRE LE PASSAGE DU CYANURE DES GAZ DE FOURS A L'EAU DE LAVAGE, L'ACIDITE DE LA SOLUTION D'EAU DE LAVAGE EN CIRCULATION EST CONTROLEE EN LUI AJOUTANT DE L'ACIDE DANS UNE MESURE TELLE QU'UNE PROPORTION AUSSI GRANDE QUE POSSIBLE DE CYANURE SOIT ELIMINEE DURANT LA COMBUSTION DES CONSTITUANTS COMBUSTIBLES PRESENTS DANS LES GAZ DE FOURS. LE PH DE LA SOLUTION D'EAU DE LAVAGE EN CIRCULATION EST DE 9,5 AU MAXIMUM, DE PREFERENCE DE 7,5 AU MAXIMUM.
It has been a problem that when these gases are scrubbed to remove other contaminants, the cyanide enters the scrubbing solution and thereby creates problems of subsequent safe treatment of the scrubbing solution. The solution to this problem put forward by the present invention involves making the scrubbing solution more acid than usual, typically so as to prevent the cyanide ion concentration in the solution from exceeding 100 mg/litre, and then burning the scrubbed gas to remove the cyanide. |
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It has been a problem that when these gases are scrubbed to remove other contaminants, the cyanide enters the scrubbing solution and thereby creates problems of subsequent safe treatment of the scrubbing solution. The solution to this problem put forward by the present invention involves making the scrubbing solution more acid than usual, typically so as to prevent the cyanide ion concentration in the solution from exceeding 100 mg/litre, and then burning the scrubbed gas to remove the cyanide.</description><language>fre</language><subject>BLASTING ; COMBUSTION APPARATUS ; COMBUSTION PROCESSES ; CONSUMING WASTE PRODUCTS BY COMBUSTION ; CREMATION FURNACES ; DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE ; FURNACES ; HEATING ; KILNS ; LIGHTING ; MECHANICAL ENGINEERING ; OVENS ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; RETORTS ; SEPARATION ; TRANSPORTING ; WEAPONS</subject><creationdate>1980</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=19800905&DB=EPODOC&CC=FR&NR=2448382A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19800905&DB=EPODOC&CC=FR&NR=2448382A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>RISTO JOHANNES HONKALA, MATTI ELIAS HONKANIEMI, JAAKKO TEIJO ILMARI POIJARVI, FRANS HEIKKI TUOVINEN ET MATTI OLAVI VATTULAINEN</creatorcontrib><title>PROCEDE D'EPURATION DE GAZ DE FOURS CONTENANT DU CYANURE, PRODUITS DANS L'INDUSTRIE METALLURGIQUE</title><description>L'INVENTION CONCERNE UN PROCEDE D'EPURATION DE GAZ DE FOURS CONTENANT DU CYANURE, PRODUITS DANS L'INDUSTRIE METALLURGIQUE. EN VUE DE REDUIRE LE PASSAGE DU CYANURE DES GAZ DE FOURS A L'EAU DE LAVAGE, L'ACIDITE DE LA SOLUTION D'EAU DE LAVAGE EN CIRCULATION EST CONTROLEE EN LUI AJOUTANT DE L'ACIDE DANS UNE MESURE TELLE QU'UNE PROPORTION AUSSI GRANDE QUE POSSIBLE DE CYANURE SOIT ELIMINEE DURANT LA COMBUSTION DES CONSTITUANTS COMBUSTIBLES PRESENTS DANS LES GAZ DE FOURS. LE PH DE LA SOLUTION D'EAU DE LAVAGE EN CIRCULATION EST DE 9,5 AU MAXIMUM, DE PREFERENCE DE 7,5 AU MAXIMUM.
It has been a problem that when these gases are scrubbed to remove other contaminants, the cyanide enters the scrubbing solution and thereby creates problems of subsequent safe treatment of the scrubbing solution. The solution to this problem put forward by the present invention involves making the scrubbing solution more acid than usual, typically so as to prevent the cyanide ion concentration in the solution from exceeding 100 mg/litre, and then burning the scrubbed gas to remove the cyanide.</description><subject>BLASTING</subject><subject>COMBUSTION APPARATUS</subject><subject>COMBUSTION PROCESSES</subject><subject>CONSUMING WASTE PRODUCTS BY COMBUSTION</subject><subject>CREMATION FURNACES</subject><subject>DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE</subject><subject>FURNACES</subject><subject>HEATING</subject><subject>KILNS</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>OVENS</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</subject><subject>RETORTS</subject><subject>SEPARATION</subject><subject>TRANSPORTING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1980</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNizEKwkAQANNYiPqH7dJoYZLCdrnbxIN4F_d2C21CkLMSDcT_YwQfYDUMzCyzoeNgyBLYnDplFBc8zNrg9Ys6KEcwwQt59AJWwVzQK9MW5tOqkwgWfYQ2d95qFHYEJxJsW-XGnZXW2eI-PKa0-XGVQU1ijrs0vvo0jcMtPdO7r7moqkN5KHBf_pF8ADRVM0w</recordid><startdate>19800905</startdate><enddate>19800905</enddate><creator>RISTO JOHANNES HONKALA, MATTI ELIAS HONKANIEMI, JAAKKO TEIJO ILMARI POIJARVI, FRANS HEIKKI TUOVINEN ET MATTI OLAVI VATTULAINEN</creator><scope>EVB</scope></search><sort><creationdate>19800905</creationdate><title>PROCEDE D'EPURATION DE GAZ DE FOURS CONTENANT DU CYANURE, PRODUITS DANS L'INDUSTRIE METALLURGIQUE</title><author>RISTO JOHANNES HONKALA, MATTI ELIAS HONKANIEMI, JAAKKO TEIJO ILMARI POIJARVI, FRANS HEIKKI TUOVINEN ET MATTI OLAVI VATTULAINEN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_FR2448382A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>fre</language><creationdate>1980</creationdate><topic>BLASTING</topic><topic>COMBUSTION APPARATUS</topic><topic>COMBUSTION PROCESSES</topic><topic>CONSUMING WASTE PRODUCTS BY COMBUSTION</topic><topic>CREMATION FURNACES</topic><topic>DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE</topic><topic>FURNACES</topic><topic>HEATING</topic><topic>KILNS</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>OVENS</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</topic><topic>RETORTS</topic><topic>SEPARATION</topic><topic>TRANSPORTING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>RISTO JOHANNES HONKALA, MATTI ELIAS HONKANIEMI, JAAKKO TEIJO ILMARI POIJARVI, FRANS HEIKKI TUOVINEN ET MATTI OLAVI VATTULAINEN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>RISTO JOHANNES HONKALA, MATTI ELIAS HONKANIEMI, JAAKKO TEIJO ILMARI POIJARVI, FRANS HEIKKI TUOVINEN ET MATTI OLAVI VATTULAINEN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PROCEDE D'EPURATION DE GAZ DE FOURS CONTENANT DU CYANURE, PRODUITS DANS L'INDUSTRIE METALLURGIQUE</title><date>1980-09-05</date><risdate>1980</risdate><abstract>L'INVENTION CONCERNE UN PROCEDE D'EPURATION DE GAZ DE FOURS CONTENANT DU CYANURE, PRODUITS DANS L'INDUSTRIE METALLURGIQUE. EN VUE DE REDUIRE LE PASSAGE DU CYANURE DES GAZ DE FOURS A L'EAU DE LAVAGE, L'ACIDITE DE LA SOLUTION D'EAU DE LAVAGE EN CIRCULATION EST CONTROLEE EN LUI AJOUTANT DE L'ACIDE DANS UNE MESURE TELLE QU'UNE PROPORTION AUSSI GRANDE QUE POSSIBLE DE CYANURE SOIT ELIMINEE DURANT LA COMBUSTION DES CONSTITUANTS COMBUSTIBLES PRESENTS DANS LES GAZ DE FOURS. LE PH DE LA SOLUTION D'EAU DE LAVAGE EN CIRCULATION EST DE 9,5 AU MAXIMUM, DE PREFERENCE DE 7,5 AU MAXIMUM.
It has been a problem that when these gases are scrubbed to remove other contaminants, the cyanide enters the scrubbing solution and thereby creates problems of subsequent safe treatment of the scrubbing solution. The solution to this problem put forward by the present invention involves making the scrubbing solution more acid than usual, typically so as to prevent the cyanide ion concentration in the solution from exceeding 100 mg/litre, and then burning the scrubbed gas to remove the cyanide.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING COMBUSTION APPARATUS COMBUSTION PROCESSES CONSUMING WASTE PRODUCTS BY COMBUSTION CREMATION FURNACES DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE FURNACES HEATING KILNS LIGHTING MECHANICAL ENGINEERING OVENS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL RETORTS SEPARATION TRANSPORTING WEAPONS |
| title | PROCEDE D'EPURATION DE GAZ DE FOURS CONTENANT DU CYANURE, PRODUITS DANS L'INDUSTRIE METALLURGIQUE |
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