Patents for C01C 1 - Ammonia; Compounds thereof (7,027) |
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10/17/2001 | CN1318034A Method for distilling ammonia |
10/17/2001 | CN1317447A Process for preparing high-quality low-salt low-potassium heavy sodium carbonate and ammonium chloride by direct calcine of vapor, washing and hydration |
10/09/2001 | US6299849 Providing catalytic beds, feeding gaseous reagents to synthesis reactor comprising a shell; reacting gaseous reagents incatalytic beds; withdrawing from synthesis reactor reaction products |
10/04/2001 | EP1138630A2 Seal for use in reforming apparatus |
10/04/2001 | EP0914294B1 Oxygen and nitrogen injection for increasing ammonia production |
09/26/2001 | EP1135331A1 Method for obtaining ammonia from waste water containing nh 3? and acid gases |
09/26/2001 | CN1314306A Catalyst for producing ammonia and dimethyl amine by decomposing unsym-dimethyl hydrazine |
09/26/2001 | CN1314305A Catalytic hydrogenolysis of unsym-dimethyl hydrazine |
09/25/2001 | US6294066 Apparatus and process for electrodialysis of salts |
09/13/2001 | WO2001066465A1 Ammonia synthesis process and apparatus for use therein |
09/13/2001 | US20010021359 Reactor zones separated by heat exchangers; printed circuits |
09/13/2001 | US20010020444 Chemical reactor |
09/12/2001 | EP1019321A4 Methods for the production of ammonia from urea and uses thereof |
09/07/2001 | WO2001064054A1 Method for hardening granular inorganic salt compounds |
09/05/2001 | EP1129053A1 Process for producing phase-stabilized ammonium nitrate |
09/05/2001 | EP1129030A1 Process and converter for the preparation of ammonia |
09/04/2001 | US6282880 Separating a purge gas stream from ammonia synthesis product gas into hydrogen-rich and hydrogen-depleted gas via permeable membrane |
09/04/2001 | CA2067643C Ammonium nitrate density modification |
08/30/2001 | US20010018039 Synthesis gad flow through iron catalyst beds; intermediate cooling by heat exchanging; ammoniation; hydrogenation |
08/30/2001 | US20010018034 High in efficiency of heat transfer and compact, the ammonia generating device includes a urea water introducing part, a flow passage for urea water and heater, wherein flow passage is connected to urea water intake part |
08/29/2001 | CN1310131A Preparation of barium nitrate |
08/28/2001 | CA2335273A1 Ammonia generating apparatus |
08/23/2001 | US20010016183 Process for converting urea into ammonia |
08/22/2001 | EP1124756A1 Method of ammonium sulfate purification |
08/22/2001 | CN1309083A Method and reactor for preparing ammonia |
08/21/2001 | US6277343 Relates to gas-liquid contactors used in the removal of acidic gases, such as from utility and industrial flue gases. |
08/21/2001 | CA2011886C Process and reactor for exothermic heterogeneous synthesis with several catalytic beds and heat exchange |
08/16/2001 | WO2001009038A3 Natural gas conversion to hydrocarbons and ammonia |
08/16/2001 | EP1123900A1 Process and apparatus for purifying an aqueous solution which contains ammonium sulfate, ammonium nitrate and organic compounds |
08/16/2001 | EP1123899A1 Process and reactor for the preparation of ammonia |
08/16/2001 | EP1123257A1 Method of preparation of ammonium nitrate products having improved thermal stability and products thereof |
08/08/2001 | EP1122213A1 Distillative purification of ammonia |
08/08/2001 | CN1307540A Process for preparation of ammonia |
08/07/2001 | US6271188 Semiconductor cleaning solution |
08/02/2001 | WO2001054806A1 Chemical reactor with heat exchanger |
08/02/2001 | WO2001054805A1 Compact reactor with heat exchanger |
08/02/2001 | WO2001054804A1 Chemical reactor with heat exchanger |
08/02/2001 | US20010010286 Purification of ammonia by distillation |
08/02/2001 | DE10004311A1 Destillative Reinigung von Ammoniak Purification by distillation of ammonia |
08/01/2001 | EP1119519A1 Improved regeneration method for process which removes hydrogen sulfide from gas streams |
08/01/2001 | CN1305955A Process for increasing concentration of solid-phase potassium nitrate and quality of resultant potassium nitrate |
07/31/2001 | US6267864 Field assisted transformation of chemical and material compositions |
07/25/2001 | CN1304878A Process for preparing potassium nitrate by metathesis method |
07/18/2001 | EP0853608B1 Process for the ammonia and methanol co-production |
07/18/2001 | CN1304391A Ammonium nitrate bodies and process for their production |
07/12/2001 | WO2001049608A1 Process for stabilizing ammonium nitrate |
07/11/2001 | EP1114012A1 Field assisted transformation of chemical and material compositions |
07/11/2001 | CN1303315A Process for treating flue gas |
07/05/2001 | WO2001047811A2 Phase stabilized ammonium nitrate and method of making the same |
07/05/2001 | US20010006614 Process for recovery and recycle of ammonia from an acrylonitrile reactor effluent stream using an ammonium phosphate quench system |
07/04/2001 | CN1301667A Preparing potassium nitrate by metathesis and crystilization |
06/27/2001 | CN1300714A Process for preparing manganese compound from fume and its afterheat |
06/27/2001 | CN1067656C Anti-corrosive method and apparatus by heat exchange of saturated gas with changing gas |
06/19/2001 | US6248794 Integrated process for converting hydrocarbon gas to liquids |
06/19/2001 | US6247333 Process for supplying impure oxygen to a synthesis-gas production unit |
06/13/2001 | CN1299337A Method of producing potassium sulfate |
06/12/2001 | US6244056 Controlled production of ammonia and other gases |
06/05/2001 | US6241955 Method and apparatus for purification of hydride gas streams |
05/31/2001 | US20010002245 Includes subjecting part of the flow comprising carbamate in aqueous solution coming from urea recovery section to partial decomposition treatment, to obtain a flow of ammonia and carbon dioxide in vapor phase, and diluted carbamate solution |
05/30/2001 | EP1102720A1 Method for distilling ammonia |
05/30/2001 | EP1102619A2 Method for converting urea into ammonia |
05/29/2001 | US6238634 Process for the nondestructive heating and supply of hot ammonia or hot ammonia containing feed gas |
05/25/2001 | WO2001036330A1 Method of reducing density by means of gas-generating agent |
05/25/2001 | CA2388810A1 Method of reducing density by means of gas-generating agent |
05/23/2001 | CN1295974A Ammonium nitrate crystal pelletizing process and equipment |
05/22/2001 | US6235676 Process for the preparation of ammonia and ammonia synthesis catalyst |
05/16/2001 | EP1098847A1 Process for the preparation of ammonia |
05/16/2001 | CN1065781C Method to carry out heterogeneous synthesis in converters with walls protected against high temperature and converters obtained in this manner |
05/15/2001 | US6232352 Diverting synthesis gas (hydrogen, carbon monoxide, and carbon dioxide) from methanol synthesis loop to a carbon monoxide separator and reacting methanol with the carbon monoxide to make acetic acid |
05/15/2001 | US6231827 Process for combined production of ammonia and urea |
05/15/2001 | US6231822 Recovering chloride and sulfate compounds from spent potliner |
05/10/2001 | WO2001032594A1 Methanol plant retrofit for manufacture of acetic acid |
05/10/2001 | US20010000889 Processes for electrically activated transformation of chemical and material compositions |
05/10/2001 | DE19951976A1 Verfahren zur plasmakatalytischen Erzeugung von Ammoniak A process for the plasma catalytic production of ammonia |
05/09/2001 | CN1294089A Method for preparing ammonia and ammonia synthetic gas |
05/08/2001 | US6228341 Process using plate arrangement for exothermic reactions |
05/02/2001 | EP1095907A2 Process for the plasma-catalytic preparation of ammonia |
05/02/2001 | EP1095906A2 Process for the preparation of ammonia |
05/02/2001 | EP1094985A1 Method of procucing potassium sulfate |
05/02/2001 | CN1293593A Catalyst for synthesis of ammonia from hydrofen and nitrofen |
05/01/2001 | US6224731 Apparatus and process for electrodialysis of salts |
04/25/2001 | EP1093449A1 Ammonium nitrate bodies and a process for their production |
04/24/2001 | US6221320 Device and method for holding catalyst in a radial flow reactor |
04/24/2001 | US6221225 Apparatus and process for electrodialysis of salts |
04/19/2001 | WO2001027030A1 Method for neutralising a waste acid and concomitant recovery of salt crystals |
04/19/2001 | DE19949534A1 Ammonia recuperation plant comprises absorption columns, preparation columns and concentration columns |
04/18/2001 | EP1092681A1 Process for the neutralization of waste acids under simultaneous recovery of salt crystals |
04/17/2001 | US6217840 Production of fumed silica |
04/17/2001 | US6217836 Recovering carbon, silica and alumina from spent potliner |
04/17/2001 | US6216464 Process and unit for the combined production of ammonia synthesis gas and power |
04/11/2001 | EP1089804A1 Process for treating flue gas |
04/11/2001 | CN1290655A Gravity separation method for producing potassium sulfate |
04/10/2001 | US6214296 Method of catalytic reaction carried out near the optimal temperature and an apparatus for the method |
04/10/2001 | US6214195 Using catalyst; exposure to electromagnetic waves |
03/29/2001 | WO2001021287A1 Flue gas scrubbing method and gas-liquid contractor therefor |
03/14/2001 | EP1083150A1 Process and apparatus for producing ammonia in a recycle circuit using ceramic membranes |
03/10/2001 | CA2318649A1 Process and apparatus for producing ammonia in a recycle circuit stream using ceramic membranes |
03/08/2001 | WO2001016025A1 Controlled production of ammonia and other gases |
03/07/2001 | EP1080767A2 Method of processing an acid solution comprising salt and installation for carrying out the method |
03/06/2001 | US6197271 Catalytic reactor and process for exothermic gas phase reactions |