93189 ⎘
Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds; Separation; Purification; Stabilisation; Use of additives Separation; Purification
UREA-SOLUTION EFFLORESCENCE DISSOLVING ADDITIVE AND ITS MANUFACTURING METHOD
#2MELAMINE PROCESS WITH PURIFICATION OF MELAMINE OFFGAS
#3UREA MELAMINE PLANT WITH MELAMINE OFF-GAS CONDENSER
#4PROCESS AND PLANT FOR PRODUCING UREA
#5SYSTEMS AND METHODS FOR MEMBRANE ENHANCED STEAM REFORMING WITH CARBON DIOXIDE UTILIZATION
#6PROCESS FOR REMOVING BIURET FROM UREA
#7IMPROVED METHOD OF SYNTHESIS AND PURIFICATION OF CITRULLINE
#8UREA PRODUCTION WITH REDUCED UREA LOSSES
#9UREA PRODUCTION PROCESS AND PLANT
#10UREA SYNTHESIS FROM GREENHOUSE GAS AND NITROGEN VIA TRANSITION METAL-FREE CATALYSIS OVER GRAPHITIC CARBON NITRIDE
#11Coupled urea melamine plant
#12PROCESS FOR PRODUCING LOW-BIURET UREA
#13PRODUCTION OF UREA AND MELAMINE
#14Multiproduct low biuret urea production
#15FERRITIC STEEL PARTS IN UREA PLANTS
#16Urea production process and plant
#17IMPROVEMENTS TO EQUIPMENT OF UREA PLANTS
#18Stripping-type urea plant for def production
#19Process for producing urea and biuret
#20UREA PRILLING PROCESS
#21METHOD AND SYSTEM FOR PREPARING UREA BY COUPLING DENITRATION WITH ELECTROCATALYTIC REDUCTION
#22STRIPPER WITH BOTTOM CHAMBER
#23Distribution chamber for liquid stream
#24Process for producing feed-grade urea
#25Ferritic steel parts in urea plants
#26A PROCESS FOR PRODUCING LOW-BIURET UREA
#27Preparation of urea solution and facility to do so
#28Ferritic steel parts in urea plants
#29Method of synthesis and purification of citrulline
#30Apparatus and method for particulate capture from gas streams and a method of removing soluble particulate from a gas
#31Urea production with multiple evaporators
#32Urea plant with chilled condensation section
#33METHOD FOR PRODUCING SOLID UREA BY GRANULATION
#34High pressure strippers for use in urea plants
#35Process for the synthesis of urea
#36Urea production process and production plant using CO2 producted by oxy-combustion
#37Treatment of offgas from urea finishing
#38High pressure strippers for use in urea plants
#39Urea production plant and scrubbing system
#40Urea production process and plant
#41Shell-and-tube equipment with distribution device
#42Urea finishing and off-gas treatment plant and process
#43UREA WATER MANUFACTURING DEVICE AND THEREOF METHOD
#44Apparatus and method for treatment of process vapours coming from a vacuum concentration section of a urea plant
#45METHOD FOR PRODUCING SOLID UREA BY GRANULATION
#46Process and plant for the synthesis of urea
#47Urea Manufacturing Method And Urea Manufacturing Apparatus
#48Controlling biuret in urea production
#49Apparatus and method for waste gas scrubbing
#50PROCESS AND PLANT FOR THE PRODUCTION OF A UREA SOLUTION FOR USE IN SCR PROCESS FOR REDUCTION OF NOX
#51Method for granulating urea
#52Method for cleaning the exhaust air of a granulating system for producing a urea-containing granulate
#53Submicron particle removal from gas streams
#54Urea production with controlled biuret
#55Process for integrated production of urea and urea-ammonium nitrate
#56PREPARATION METHOD FOR REMOVING TRIURET CAUSING TURBIDITY IN UREA WATER
#57Urea ammonium nitrate production comprising condensation
#58Integrated process and plant for production of urea and UAS (urea-ammonium sulphate) mixtures
#59Process for the production of formaldehyde-stabilized urea
#60Submicron particle removal from gas streams
#61Urea production with controlled biuret
#62Controlling biuret in urea production
#63Urea production process and plant
#64Method And Apparatus For Preparation Of A Urea Solution
#65Urea preparation machine
#66Combined apparatus for the synthesis of urea
#67Urea process with high-temperature stripping
#68Urea ammonium nitrate production comprising condensation
#69Urea manufacturing method and urea manufacturing apparatus
#70Urea production method
#71Methods and systems for producing urea
#72Submicron particle removal from gas streams
#73Urea finishing process with acid scrubbing
#74Method for producing high-purity aqueous urea solution in urea production process
#75Method for recycling urea in urea adduct process
#76Method of making a urea product
#77Removal of urea and ammonia from exhaust gases
#78Urea granulation process with scrubbing system
#79Apparatus and method for particulate capture from gas streams and a method of removing soluble particulate from a gas
#80Integrated process for urea and melamine production
#81Recovering urea and oil from a urea/oil complex
#82Concentration of the urea solution in a process for the synthesis of urea
#83Urea granulation process with scrubbing system
#84Urea finishing method
#85Method for producing high purity crystalline carbamide
#86Removal of urea and ammonia from exhaust gases
#87Process for the preparation of a urea-comprising aqueous stream
#88Controller and control method for a motorised vehicle
#89Removal of urea and ammonia from exhaust gases
#90Method for obtaining optically pure amino acids
#91PROCESS AND PLANT FOR THE PRODUCTION OF A UREA SOLUTION FOR USE IN SCR PROCESS FOR REDUCTION OF NOX
#92Method for the recovery of ammonia from a gaseous stream in a synthesis process of urea
#93Process and plant for the production of an aqueous solution comprising urea
#94Integrated Process for Urea and Melamine Production
#95Method for removing impurities from a urea solution
#96Process for the preparation of urea
#97Process for the Preparation of a Urea-Comprising Aqueous Stream