C01C 1/24

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
RE48293 System and method for production of granular ammonium sulfateNov 21, 18Nov 03, 20PCI Nitrogen, LLC
9908785 Process and apparatus for producing ammonium sulfate crystalsJun 20, 14Mar 06, 18CAP III B.V.
9902652 Methods and systems for utilizing carbide lime or slagApr 23, 15Feb 27, 18CALERA CORPORATION
9725376 Process for dehydration of ethanol into ethylene using pretreatment of the feedstockNov 18, 13Aug 08, 17IFP ENERGIES NOUVELLES, TOTAL RESEARCH & TECHNOLOGY FELUY,
9682867 Non-oxidizer particlesMay 21, 14Jun 20, 17SOLVAY SA
9676633 Process for preparing crystalline ammonium sulfate productSep 12, 13Jun 13, 17CAP III B.V.
9586835 Boussingaultite production process from liquid effluents containing magnesium sulphateApr 16, 15Mar 07, 17VALE S.A.
9540288 System and method for production of granular ammonium sulfateFeb 02, 15Jan 10, 17PCI NITROGEN, LLC
9517943 Integrated process of production of potassium sulphate and ammonium sulfate from kainite mixed saltSep 02, 13Dec 13, 16COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH
9505629 Method of preparing calcium carbonate using direct carbonation reactionAug 15, 14Nov 29, 16KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES
9452938 Ammonia capture recovery systemJun 09, 14Sep 27, 16Not available
9339760 Methods and apparatuses for removal of hydrogen sulfide and carbon dioxide from biogasMar 15, 13May 17, 16WASHINGTON STATE UNIVERSITY, DVO, INC.,
9200347 Production method for high-purity calcite and ammonium sulphate by using gypsumJul 13, 12Dec 01, 15KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES
9193601 Method of recycling of by-products for the production of soda ash and ammonium sulphateSep 30, 13Nov 24, 15COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH
8829237 Production of carboxylic acid and salt co-productsMar 03, 11Sep 09, 14MICHIGAN BIOTECHNOLOGY INSTITUTE
8758719 Process for converting FGD gypsum to ammonium sulfate and calcium carbonateAug 09, 13Jun 24, 14SPARSTANE TECHNOLOGIES LLC
8721999 Process for simultaneous production of potassium sulphate, ammonium sulfate, magnesium hydroxide and/or magnesium oxide from kainite mixed salt and ammoniaMar 29, 10May 13, 14COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH
8663595 Process for producing ammonium saltsDec 21, 11Mar 04, 14CELANESE INTERNATIONAL CORPORATION
8658123 Method for producing a coarse-grained ammonium sulfate product via crystallization and installation for operating the methodFeb 28, 13Feb 25, 14GEA Messo GmbH
8623314 capture system with ammonia recovery and processes of useFeb 21, 12Jan 07, 14GENERAL ELECTRIC TECHNOLOGY GMBH

Showing 1 to 20 of 45 results