Process for the production of manganese dioxide
Manganese dioxide is produced from manganous salts by mixing a manganous salt with an alkali metal permanganate and/or ammonium permanganate followed by heating such mixture to about 150 DEG C. under an oxygen-containing atmosphere until at least 85% of the manganous salt is converted to manganese d...
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| creator | MELLORS GEOFFREY W |
| description | Manganese dioxide is produced from manganous salts by mixing a manganous salt with an alkali metal permanganate and/or ammonium permanganate followed by heating such mixture to about 150 DEG C. under an oxygen-containing atmosphere until at least 85% of the manganous salt is converted to manganese dioxide and then further elevating the temperature to about 250 DEG C. and maintaining this temperature until the surface area of the manganese dioxide is between about 3 square meters per gram and about 12 square meters per gram. |
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CHEMISTRY ; COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F ; ELECTRICITY ; INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OFSOLID INORGANIC COMPOUNDS ; INORGANIC CHEMISTRY ; METALLURGY ; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</subject><creationdate>1986</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=19860520&DB=EPODOC&CC=US&NR=4590059A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19860520&DB=EPODOC&CC=US&NR=4590059A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MELLORS; 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GEOFFREY W</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Process for the production of manganese dioxide</title><date>1986-05-20</date><risdate>1986</risdate><abstract>Manganese dioxide is produced from manganous salts by mixing a manganous salt with an alkali metal permanganate and/or ammonium permanganate followed by heating such mixture to about 150 DEG C. under an oxygen-containing atmosphere until at least 85% of the manganous salt is converted to manganese dioxide and then further elevating the temperature to about 250 DEG C. and maintaining this temperature until the surface area of the manganese dioxide is between about 3 square meters per gram and about 12 square meters per gram.</abstract><edition>4</edition><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F ELECTRICITY INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OFSOLID INORGANIC COMPOUNDS INORGANIC CHEMISTRY METALLURGY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY |
| title | Process for the production of manganese dioxide |
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