Patents for B01D 9 - Crystallisation (5,388)
08/1988
08/09/1988US4762622 Apparatus and process for separating solid particles from a liquid suspension and/or for the purification or leaching of solid particles
08/09/1988CA1240258A1 Incrustation resistive crystallizer
07/1988
07/27/1988EP0275607A1 A method for the production of crystalline substances
07/06/1988EP0273509A1 Process- and apparatus for recovering a pure substance from a liquid mixture by crystallization
06/1988
06/30/1988WO1988004568A1 Water treatment apparatus and method
06/29/1988CN87106518A Middle distillate compositions with reduced wax crystal size
06/23/1988EP0258226A4 Trigger to activate aqueous salt solution for use in a heat pack and method of making the same.
06/21/1988CA1238265A1 Apparatus for the production of granules from two- phase mixtures
05/1988
05/26/1988DE3640218A1 Apparatus for crystallisation
05/17/1988US4744823 Process for the purification of metals by fractional crystallisation
05/10/1988US4743434 Purification of para-xylene
05/10/1988US4743380 Solvent recovery system
04/1988
04/27/1988EP0265308A1 Continuous crystallization apparatus for producing sugar
04/27/1988CN87104975A Method to manufacture dichlorobenzene
04/20/1988EP0264226A1 Separation process by crystallisation
04/12/1988US4737352 Formation of coarser crystals using surfactant dissolved in oil
04/05/1988US4735872 Coarse particle separation, agglomeration
04/05/1988US4735781 Apparatus for concentrating a suspension
04/05/1988US4735641 Apparatus and method of producing refrigeration as ice at the triple point of water
04/05/1988CA1234744A1 Spray crystallization
03/1988
03/30/1988EP0262113A2 Process and plant for fractionating fatty materials by crystallization
03/29/1988US4734102 Separation between crystals and mother liquor
03/23/1988EP0260424A1 Process for the preparation of silicium of low carbon content
03/09/1988EP0258226A1 Trigger to activate aqueous salt solution for use in a heat pack and method of making the same.
02/1988
02/25/1988WO1988001192A1 Method of concentrating multicomponent liquid products
02/24/1988EP0256812A2 Process for separation of N-protected alpha-L-aspartyl-L-phenylalanines
02/24/1988EP0256096A1 Primary refrigerant eutectic freezing (preuf) process
02/23/1988US4727218 Crystallization onto curved, cooled surface
02/10/1988EP0255786A1 Process and device for producing a magma of seed crystals for a continuous-crystallization apparatus
01/1988
01/20/1988EP0253661A2 Method of concentrating crystalline product
01/12/1988US4718236 Apparatus and method for mineral recovery from geothermal and geopressured brines
12/1987
12/15/1987US4713102 Freezing with refrigerant gas, removal ice crystals, separation, and recirculation
12/08/1987US4711697 Method for investigating the formation of crystals in a transparent material
12/02/1987EP0247348A2 Pre-crystallization apparatus
12/01/1987US4710215 From zinc ammonium carbonate using plurality of plates
11/1987
11/17/1987US4706340 Method and an arrangement for producing a fibre layer
11/11/1987EP0244867A2 Method and device for the cristallization of an in a liquid dissolved substance in a weightless condition
11/11/1987EP0244588A2 Crystallization trough for the continuous crystallizing of supersaturated solutions
11/10/1987US4705624 Apparatus and process for separating solid particles from a liquid suspension and/or for the purification or leaching of solid particles
11/10/1987US4704877 Apparatus and method of freezing a feed liquid
11/05/1987DE3615081A1 Process and device for preparing crystal seed magma
10/1987
10/27/1987US4702758 Turbine cooling waxy oil
10/22/1987EP0168438A4 A fractional solidification process and apparatuses for use therein.
10/21/1987EP0242181A2 Apparatus for purifying crystals
10/07/1987EP0240458A2 Methods and apparatus for treating a mixture of particles and fluids
10/06/1987US4697428 Device for concentrating solutions
10/01/1987DE3609705A1 Method for preheating, in a thermal compression unit, a solution saturated with an agent forming encrustation
09/1987
09/09/1987EP0236238A1 Process for purifying metals by fractional crystallization
09/09/1987EP0235289A1 High-pressure crystallizer
08/1987
08/27/1987WO1987005095A1 Trigger to activate aqueous salt solution for use in a heat pack and method of making the same
08/18/1987US4687671 Concentration method
08/13/1987WO1987004778A1 Primary refrigerant eutectic freezing (preuf) process and apparatuses for use therein
08/13/1987DE3704072A1 Process and equipment for controlling the crystallisation process of fats
07/1987
07/22/1987EP0229357A1 Recrystallization of bisphenol A by azeotropically drying the solvent
07/22/1987CN87100033A Improvement technique of metal purification with fractional crystallization process
07/09/1987EP0183793A4 Wet and dry distillative freezing process for separating mixtures and apparatuses for use therein.
07/07/1987US4678646 Crystallizer
07/01/1987EP0226605A1 Process and device for multiple-phase processing of aqueous liquids
06/1987
06/23/1987US4675071 Method of preparing thin crystal or film
06/09/1987US4672218 Method for determining the onset of crystallization
06/09/1987US4671917 Cooled by water radially from center
06/02/1987US4670590 Preparation process of acrylamide crystals
06/02/1987US4670117 Applying electricity to saturate solution in growth tank between two ion exchange membranes while controlling temperature
05/1987
05/19/1987US4666484 Multi-stage freeze concentrating process and apparatus
05/19/1987US4666456 Process for the continuous partial crystallization and the separation of a liquid mixture
05/05/1987USH262 Method of and apparatus for removing silicon from a high temperature sodium coolant
04/1987
04/21/1987CA1220728A1 Apparatus for concentrating a suspension
04/15/1987EP0218545A2 Crystallisation apparatus and its use
04/14/1987CA1220321A1 Process for precipitating ammonium chloride
04/01/1987EP0216702A2 Method and plant for tartars separation
03/1987
03/31/1987US4654064 Crystallization, vaporization, heat exchanging
03/26/1987WO1987001605A1 High-pressure crystallizer
03/25/1987CN86104044A Method and apparatus for crystallization of griseofulvin grains
03/24/1987US4652675 Process and device for purifying benzoic acid
03/19/1987DE3527200A1 Process for preparing spherulitic crystals of high bulk density and packing density, in particular of spherically crystalline nitroguanidine
01/1987
01/20/1987US4638102 Separation from o,p1 isomer
01/07/1987EP0207909A2 Device for producing a fibre layer
01/06/1987CA1216226A1 Method and apparatus for the mass separation of a liquid mixture through fractional crystallization
01/02/1987DE3522494A1 Process for controlling crystallization from solutions and apparatus for carrying out the process
12/1986
12/30/1986US4632809 Apparatus for the crystallization/separation of material mixtures
12/09/1986US4627901 Separating wax from hydrocarbon mixture boiling in the lubricating oil range
12/04/1986WO1986006977A1 Process and device for multiple-phase processing of aqueous liquids
12/03/1986EP0203380A1 Preparation process of acrylamide crystals
11/1986
11/26/1986EP0202697A2 Separation process for para-fluoro-aniline
11/18/1986US4623372 Melting rates
11/11/1986US4622119 Method of promoting nucleation of solute in a solution
11/11/1986US4622118 Method and apparatus for separating wax/water from hydrocarbon oil mixture boiling in the lubricating oil range
11/05/1986CN86103400A Preparation process of acrylamide crystals
11/04/1986CA1213512A1 Crystallizer
10/1986
10/01/1986EP0196128A1 Device for concentrating solutions
09/1986
09/23/1986US4613338 Methane
09/17/1986EP0194667A2 Intermediate or post-crystallizer for use in combination with tubular coolers with scrapers for the crystallization of molten or emulsified fats
09/16/1986US4611615 Fluid treatment apparatus and method
09/16/1986CA1211363A1 Trigger to initiate crystallization
09/09/1986USRE32241 Fractional crystallization process
09/03/1986EP0193226A1 Apparatus and process for separating solid particles from a liquid suspension and/or for the purification or leaching of solid particles
09/02/1986US4609388 Removal of acid gas from fuel gas
08/1986
08/20/1986EP0191194A1 Apparatus and process for separating solid particles from a liquid suspension and/or for the purification or leaching of solid particles
07/1986
07/29/1986US4603033 Salt harvester for harvesting salt in elongated solar salt crystallizer
07/29/1986CA1208416A1 Method and apparatus for treatment in counter current of suspended particles with a liquid
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