Patents for B01D 9 - Crystallisation (5,388)
07/1999
07/07/1999CN1221707A Tech. for preparing high density spherical nickel hydroxide by controlled crystallizing process
06/1999
06/30/1999EP0926114A2 Crystallization of 2,6-Dimethylnaphthalene
06/30/1999CN1220906A Separation method for material composition by supercritical fluid crystallization
06/23/1999EP0923969A1 Method and apparatus for freeze-concentrating substances
06/23/1999CN2325094Y Quick and continuous crystallization and pelleting equipment
06/23/1999CN1220259A Method of purifying quinaldine
06/18/1999CA2256244A1 Method and apparatus for freezeconcentrating substances
05/1999
05/25/1999US5906660 Process for the manufacture of persalt particles
05/12/1999CN1216290A Process for treatment of flue gas desulfurization waste water
05/06/1999EP0912216A1 Salt purification facility
04/1999
04/28/1999CN1214948A Pipeline prilling-drying method for glycine
04/21/1999EP0909205A1 Crystallization process and device
04/21/1999CN1214272A Continuous stirring vacuum sodium sulfate crystallization technology
03/1999
03/24/1999EP0903345A1 Crystal form of N-(4-trifluoromethylphenyl)-5-methylisoxazole-4-carboxamid
03/24/1999CN1211609A Process and apparatus for obtaining paraffins or paraffin fractions
03/18/1999WO1999013034A1 Method of dry-fractionating fat and stationary crystallization apparatus
03/18/1999WO1999012623A1 Separation process
03/10/1999EP0765462A4 Orbital tube whip rod heat exchanger
03/09/1999US5880289 Dissolving crude coupler crystals in solvent having first solubility parameter, adding solvent having second solubility parameter different from first when crystallization rate is at specific value
03/03/1999CN1209348A Process for fractional crystallisation of substances crystalliser suitable for working process, and use of the process
02/1999
02/24/1999CN1208856A Method for displaying set inputs based on conductivity meter of batch-wise vacuum pan and automatic operating method thereof
02/23/1999US5874599 Crystallisation is performed in a dry fractionation system by selecting and adjusting the flow rate, shear rate and temperature in such a way that the crystal form of the product is a kinetically-stable crystal form
02/23/1999US5873943 Process for manufacturing crystalline maltitol and crystalline mixture solid containing the same
02/17/1999CN1208034A Crystal form of N-(4-trifluoromethylphenyl)-5-methylisoxazole-4-carboxamide
02/16/1999US5872259 Crystallization
02/11/1999WO1999006131A1 Method of refining crystalline material
02/03/1999CN1206622A Crystal forming by evaporation and steam condensation
02/02/1999US5864923 Method of forming particles using a supercritical fluid
01/1999
01/21/1999WO1999002930A1 Evaporative condensation type ammonia refrigeration unit
01/20/1999EP0892033A1 Process and device for the production of paraffin and paraffin fractions
01/20/1999EP0891798A1 Process for fractionated crystallising substances, crystallizer siuted to perform the process and use of the crystallizer
01/16/1999CA2242051A1 A process and apparatus for obtaining paraffins or paraffin fractions
01/14/1999WO1999001380A1 Method and apparatus for environmentally friendly desalting of sea-water
01/13/1999EP0728037B1 Method of forming particles using a supercritical fluid, aerogel particles formed thereby, and antiperspirants containing aerogel particles
01/07/1999EP0889035A1 Process for the purification of quinaldine
12/1998
12/30/1998WO1998058722A1 Treatment of a substance with a dense fluid (e.g. with a supercritical fluid)
12/30/1998CN1041408C Di-substituted benzene position isomer continuous solidifying and separating method
12/30/1998CA2294367A1 Treatment of a substance with a dense fluid (e.g. with a supercritical fluid)
12/29/1998US5853691 Silver halides of altered crystal habit or morphology and methods for producing same
12/29/1998US5853686 Calcium carbonates of altered crystal habit or morphology and methods for producing same
12/17/1998WO1998056480A1 Freeze-concentrating apparatus for aqueous solutions, ice pillar producing apparatus, and freeze-concentrating method for aqueous solutions
12/17/1998CA2294640A1 Freeze-concentrating apparatus for aqueous solutions, ice pillar producing apparatus, and freeze-concentrating method for aqueous solutions
12/16/1998EP0884097A1 Method for making hydroxypivalic acid neopentylglycol ester non-caking granulates
12/16/1998CN1201815A Process for preparation of pure acenaphthene by gradually heating emulsification crystallization
12/08/1998CA2040112C A device for obtaining crystallizates of defined grain size
11/1998
11/11/1998EP0876183A1 A process for supercooling
11/04/1998EP0875267A1 Process for crystallisation by vaporisation and condensation of the vapors
11/03/1998US5830418 Method of using ultrasound to promote crystallization of solid substances contained in a flowable material
10/1998
10/29/1998CA2293687A1 Method for utilizing ph control in the recovery of metal and chemical values from industrial waste streams
10/07/1998EP0868942A1 Method of forming particles using a supercritical fluid and aerogel particles formed thereby
10/06/1998US5817865 Preparation of acrylic acid and esters
09/1998
09/29/1998US5814231 Separation of liquid eutectic mixtures by crystallization on cold surfaces and apparatus for this purpose
09/22/1998US5810892 Purifying a crystal-containing melt, forming partially solidified uniform particles; conducting through washing column
09/16/1998CN2291202Y Crystallizing reactor for preparation of high-density ball solid particle
09/11/1998WO1998039076A1 Process and device for recovering and treating of aqueous solutions
09/10/1998DE19728835C1 Purification of quinaldine from coal tar fraction
09/09/1998CN1192383A Process for reducing or avoiding foam prodn. during chemical and physical materials conversion processes and device for preforming this process
09/03/1998WO1998037938A1 Crystallization apparatus and crystallization method
08/1998
08/12/1998EP0857199A1 Fat crystallisation method and apparatus therefor
08/06/1998WO1998033782A1 Process for the crystallization of a reverse transcriptase inhibitor using an anti-solvent
08/06/1998DE19647562A1 Pre-treatment of nitrogenous waste liquor
07/1998
07/29/1998EP0754167B1 Process and installation for the targeted formation of germs or crystals
07/29/1998CN1039315C Process for production of purified terephthalic acid
07/15/1998CN1039097C Apparatus for producing seed crystals in melts
07/09/1998DE19651215C1 Verfahren zur Trennung von kristallisierbaren Isomerenmischungen organischer Verbindungen A process for separating isomer mixtures of crystallizable organic compounds
07/08/1998EP0707516B1 Process and device for purifying chemical substances
07/07/1998CA2041676C Draft tube, direct contact crystallizer
07/01/1998CN1186428A Preparation of respirable particles
06/1998
06/25/1998WO1998027240A1 Method and device for separating metals and/or metal alloys of different melting points
06/24/1998EP0691875B1 Method and device for precipitating crystals from a solution
06/18/1998WO1998025889A1 Suspension crystallization method
06/18/1998WO1998025680A1 Suspension crystallization method
06/10/1998EP0846486A2 Process for reducing or avoiding foam generation in chemical or physical substance converting processes and device for its realization
06/10/1998EP0684863B1 Separation process
06/04/1998WO1998023350A1 Crystallisation process
06/03/1998EP0844999A1 Purification process
05/1998
05/26/1998US5755975 Separation of substances from a liquid mixture by crystallization
05/14/1998WO1998019966A1 METHOD OF SEPARATING NaCl FROM A LiCl SOLUTION
05/12/1998US5750658 Fibrinogen processing apparatus, method and container
04/1998
04/29/1998EP0838431A1 Process for the preparation of titanium-containing molecular sieves
04/29/1998CN1180381A Method for recovery of xylose from solutions
04/25/1998CA2219248A1 Process for the preparation of titanium-containing molecular sieves
04/22/1998CN1179797A Method for recovering organic compound from solutions
04/21/1998US5741927 Separation process
04/21/1998CA2125005C Method and apparatus for treatment of a potassium chloride mixture
04/21/1998CA1339826C Process of condensation of aluminium chloride
04/16/1998DE19645315C1 Verfahren zur Abtrennung von NaCl aus einer LiCl-Lösung Process for the separation of NaCl from a LiCl solution
04/09/1998WO1998014420A1 Method of refining benzoic acid
04/08/1998CN1178194A Liquid phase one step crystallizing process for producing crystal sodium sulphate from nitrate containing brine
04/08/1998CN1178128A Method and device for separating substance from liquid mixture by fractional crystallisation
04/02/1998WO1998013133A1 Spray crystallised products and processes
04/02/1998CA2267275A1 Spray crystallised products and processes
03/1998
03/10/1998US5725836 Aluminium and zirconium chlorohydrates
03/10/1998US5725608 Process and apparatus for material separation by crystallization from the melt
03/04/1998CN1174901A Method for producing mono crystal sugar, monosodium glutamate, table salt and white granulated sugar etc.
02/1998
02/25/1998CN1174170A Steppecd crystallization process purifying sodium thiocyanate solution
02/19/1998WO1998006668A1 Silver halides of altered crystal habit or morphology and methods for producing same
02/19/1998WO1998006667A1 Calcium carbonates of altered crystal habit or morphology and methods for producing same
02/10/1998US5716496 Method and apparatus for treatment of black liquor
02/04/1998EP0821987A1 Method of controlling crystallization of organic compounds and solid-state component for controlling crystallization in said method
1 ... 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 ... 54