METHOD OF OBTAINING A SOLID FERTILISER FROM SEWAGE TREATMENT SLUDGE
The invention resolves the problem of producing solid fertilizer from organic sewage sediments which accrue in communal sewage treatment plants. According to the inventive method, the organic structures of biological origin are partially mineralized in the presence of a strong acid, preferably sulfu...
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| creator | KEDZIA WOJCIECH SLUPEK-STRZESNIEWSKA TERESA MARIA KRUPA ZDZISLAW CZARNECKA BARBARA MARIA ROMINSKI MAREK ROMAN MICHALAK PIOTR PAWEL |
| description | The invention resolves the problem of producing solid fertilizer from organic sewage sediments which accrue in communal sewage treatment plants. According to the inventive method, the organic structures of biological origin are partially mineralized in the presence of a strong acid, preferably sulfuric acid. The solution obtained from this is neutralized, whereby the neutralization process is preferably carried out using magnesium compounds. A salt is obtained as a result of the neutralization process. Said salt binds the water from the reaction level and serves as a man-made fertilizer. The fertilizer is solid and can be easily granulated and used. |
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According to the inventive method, the organic structures of biological origin are partially mineralized in the presence of a strong acid, preferably sulfuric acid. The solution obtained from this is neutralized, whereby the neutralization process is preferably carried out using magnesium compounds. A salt is obtained as a result of the neutralization process. Said salt binds the water from the reaction level and serves as a man-made fertilizer. The fertilizer is solid and can be easily granulated and used.</description><edition>6</edition><language>eng</language><subject>CHEMISTRY ; FERTILISERS ; FERTILISERS PRODUCING CARBON DIOXIDE ; INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C ; MANUFACTURE THEREOF ; METALLURGY ; ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE</subject><creationdate>1998</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=19981026&DB=EPODOC&CC=PL&NR=326127A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19981026&DB=EPODOC&CC=PL&NR=326127A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KEDZIA WOJCIECH</creatorcontrib><creatorcontrib>SLUPEK-STRZESNIEWSKA TERESA MARIA</creatorcontrib><creatorcontrib>KRUPA ZDZISLAW</creatorcontrib><creatorcontrib>CZARNECKA BARBARA MARIA</creatorcontrib><creatorcontrib>ROMINSKI MAREK ROMAN</creatorcontrib><creatorcontrib>MICHALAK PIOTR PAWEL</creatorcontrib><title>METHOD OF OBTAINING A SOLID FERTILISER FROM SEWAGE TREATMENT SLUDGE</title><description>The invention resolves the problem of producing solid fertilizer from organic sewage sediments which accrue in communal sewage treatment plants. 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According to the inventive method, the organic structures of biological origin are partially mineralized in the presence of a strong acid, preferably sulfuric acid. The solution obtained from this is neutralized, whereby the neutralization process is preferably carried out using magnesium compounds. A salt is obtained as a result of the neutralization process. Said salt binds the water from the reaction level and serves as a man-made fertilizer. The fertilizer is solid and can be easily granulated and used.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY FERTILISERS FERTILISERS PRODUCING CARBON DIOXIDE INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C MANUFACTURE THEREOF METALLURGY ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE |
| title | METHOD OF OBTAINING A SOLID FERTILISER FROM SEWAGE TREATMENT SLUDGE |
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