Method of processing waste gases containing sulphurous-acid anhydride
A method of processing waste gases containing sulphurous-acid anhydride comprises contacting said waste gases with an aqueous solution of sulphuric acid in the presence of oxygen or air and a catalyst comprising an inorganic manganese salt, such as manganese sulphate, perchlorate, chloride, nitrate...
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| creator | BARANOVA RIMMA BRONISLAVOVNA PANFEROVA ALEXANDRA TIMOFEEVNA PETRYAEV PETROVICH EVGENY BUGAENKO LENAR TIMOFEEVICH NIKESHICHEV JURY NIKOLAEVICH BYAKOV VSEVOLOD MIKHAILOVICH LAZAREV VLADIMIR ILICH MIRONOV NIKOLAI PETROVICH PINAEV VIKTOR ALEXANDROVICH KALYAZIN EVGENY PETROVICH |
| description | A method of processing waste gases containing sulphurous-acid anhydride comprises contacting said waste gases with an aqueous solution of sulphuric acid in the presence of oxygen or air and a catalyst comprising an inorganic manganese salt, such as manganese sulphate, perchlorate, chloride, nitrate or phosphate used in an amount of 0.0003-0.03 wt.% based on manganese ion to obtain an aqueous solution of sulphuric acid containing sulphurous-acid anhydride. This solution is subjected to the action of an agent for initiating the oxidation of sulphurous-acid anhydride comprising ionizing radiation to obtain an aqueous solution of sulphuric acid free from sulphurous-acid anhydride. A part of the sulphuric acid is derived from the cycle in the form of the resulting aqueous solution in an amount equivalent to the amount of the oxidized sulphurous-acid anhydride, and the remaining part of the sulphuric acid is fed for contacting with the waste gases. |
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This solution is subjected to the action of an agent for initiating the oxidation of sulphurous-acid anhydride comprising ionizing radiation to obtain an aqueous solution of sulphuric acid free from sulphurous-acid anhydride. A part of the sulphuric acid is derived from the cycle in the form of the resulting aqueous solution in an amount equivalent to the amount of the oxidized sulphurous-acid anhydride, and the remaining part of the sulphuric acid is fed for contacting with the waste gases.</description><language>eng</language><subject>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ; CHEMISTRY ; COMPOUNDS THEREOF ; INORGANIC CHEMISTRY ; METALLURGY ; NON-METALLIC ELEMENTS ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; SEPARATION ; THEIR RELEVANT APPARATUS ; TRANSPORTING</subject><creationdate>1976</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=19760601&DB=EPODOC&CC=US&NR=3960682A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19760601&DB=EPODOC&CC=US&NR=3960682A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>BARANOVA; RIMMA BRONISLAVOVNA</creatorcontrib><creatorcontrib>PANFEROVA; ALEXANDRA TIMOFEEVNA</creatorcontrib><creatorcontrib>PETRYAEV; PETROVICH EVGENY</creatorcontrib><creatorcontrib>BUGAENKO; LENAR TIMOFEEVICH</creatorcontrib><creatorcontrib>NIKESHICHEV; JURY NIKOLAEVICH</creatorcontrib><creatorcontrib>BYAKOV; VSEVOLOD MIKHAILOVICH</creatorcontrib><creatorcontrib>LAZAREV; VLADIMIR ILICH</creatorcontrib><creatorcontrib>MIRONOV; NIKOLAI PETROVICH</creatorcontrib><creatorcontrib>PINAEV; VIKTOR ALEXANDROVICH</creatorcontrib><creatorcontrib>KALYAZIN; EVGENY PETROVICH</creatorcontrib><title>Method of processing waste gases containing sulphurous-acid anhydride</title><description>A method of processing waste gases containing sulphurous-acid anhydride comprises contacting said waste gases with an aqueous solution of sulphuric acid in the presence of oxygen or air and a catalyst comprising an inorganic manganese salt, such as manganese sulphate, perchlorate, chloride, nitrate or phosphate used in an amount of 0.0003-0.03 wt.% based on manganese ion to obtain an aqueous solution of sulphuric acid containing sulphurous-acid anhydride. This solution is subjected to the action of an agent for initiating the oxidation of sulphurous-acid anhydride comprising ionizing radiation to obtain an aqueous solution of sulphuric acid free from sulphurous-acid anhydride. 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This solution is subjected to the action of an agent for initiating the oxidation of sulphurous-acid anhydride comprising ionizing radiation to obtain an aqueous solution of sulphuric acid free from sulphurous-acid anhydride. A part of the sulphuric acid is derived from the cycle in the form of the resulting aqueous solution in an amount equivalent to the amount of the oxidized sulphurous-acid anhydride, and the remaining part of the sulphuric acid is fed for contacting with the waste gases.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOUNDS THEREOF INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION THEIR RELEVANT APPARATUS TRANSPORTING |
| title | Method of processing waste gases containing sulphurous-acid anhydride |
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