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Matches 601 - 650 out of 2,333

Document Document Title
WO/1989/010175
The invention is a method with equipments for conducting the soli-liquid-vapor multiple phase transformation steps of vacuum freezing, wet distillative freezing, vacuum crystallization and primary refrigerant eutectic freezing. All proce...  
WO/1989/010520
A triggering device (15) for use in combination with a triggerable thermal energy storage medium (13) within a flexible cover (11). Triggering device (15) is a closed turn stiff helical metallic spring and of sufficient length to be forc...  
WO/1989/003364
A method of reducing soluble and insoluble impurity levels while increasing the size of water soluble salt crystals which includes an initial step of fine grinding followed by regrowth in a saturated solution of the salt subjected to agi...  
WO/1989/000576
Non-hygroscopic, azithromycin (9-deoxo-9a-aza-9a-methyl-9a-homoerythromycin) dihydrate and a process therefor.  
WO/1988/005766
This process uses a starting material with a minimum p-xylol content of 99 %. The starting material is introduced in the liquid state into an inert liquid, preferably water, the temperature of which is lower than the melting point of pur...  
WO/1988/004568
An apparatus (a) for purifying water by removing polluted clinging water from ice crystals, or (b) if desired, for concentrating fruit juices or the like. The complete apparatus includes a source (7 or 15) of small, individual pieces of ...  
WO/1988/001192
A method and apparatus for concentrating multicomponent liquid product containing volatile and non-volatile constituents, comprising mixing liquid product with liquid refrigerant gas (21) in a freezing chamber (3), removing ice crystals ...  
WO/1987/005095
A trigger (20) to activate a supercoolable aqueous salt solution (22) wherein the trigger and solution are encased within a flexible container (24). The trigger is a flexible relatively thin sheet of material wherein there are a pluralit...  
WO/1987/004778
The primary refrigerant eutectic freezing (PREUF) process is designed to separate mixtures containing at least one volatile component and two or more crystal-forming components (1). Heat is removed from a eutectic mixture at near its eut...  
WO/1987/001605
This invention, which can be industrially practiced, relates to a high-pressure crystallizer, which enables a pressure crystallization method using a pressure as a variable, and which is used to promote the industrial practicing of this ...  
WO/1986/006977
A process and device for multiple-phase processing of an aqueous liquid, in which a pre-cooled (151) aqueous liquid (38') is converted into frazil ice under triple point conditions, by injection into a condensation chamber (1) with a par...  
WO/1986/000025
A method of removing materials in solid form from solution in a solvent comprising the steps of collecting the solution in a deposition vessel, injecting directly into the solution in the vessel a liquid refrigerant material whereby the ...  
WO/1985/005284
Distillative freezing process is an energy conserving process for separating mixtures and superpurifying chemicals. The wet and dry distallative freezing process disclosed represents a major improvement to the distillative freezing techn...  
WO/1985/004819
Free excess charge which is net unipolar is introduced, preferably by charge injection, into the continuous phase. The charge transfers, through the continuous phase, to the dispersed phase and an induced electric field is thereby set up...  
WO/1985/004818
Particles/droplets/bubbles forming a dispersion in a continuous fluid can be increased in size by conglomeration induced by introducing free excess charge which is net unipolar (for example, by charge injection) into a body of the disper...  
WO/1985/002783
An improved method and apparatus for filtration includes an outer stationary body (10), an inner rotating body (12) defining a gap with the outer body for receiving a fluid sample (14), the surface of one of the bodies defining the gap b...  
WO/1985/002781
A process of washing a crystal-mother liquor mixture to produce a mass of purified crystals in a purification zone containing two sets of sub-zones, respectively denoted as Type A sub-zones and Type B sub-zones, that are laid sequentiall...  
WO/1984/001568
Process for obtaining aluminium trihydroxide, of mean diameter adjusted on demand in the interval from 2 to 100 microns, of unimodal distribution and of low dispersion, comprising the hot decomposition of an supersaturated solution of so...  
WO/1984/001569
Process for obtaining aluminium trihydroxide having a mean diameter controlled on demand, lower than 4 microns, of unimodal distribution and low dispersion, comprising the hot decomposition of a sodium aluminate supersaturated solution i...  
WO/1984/000117
An apparatus for concentrating a suspension consisting of a hollow cylinder (1) in which one or more tubes (2) of a constant outward diameter extend in axial direction, in the wall of each tube at least one filter (3) being mounted formi...  
WO/1984/000118
A method and apparatus for treating in counter current of suspended particles with a liquid, whereby the particles and the liquid are tranferred in opposite directions through a contact zone (1) which, at some places, spaced in axial dir...  
WO/1983/001010
An apparatus for and method of preparing a slurry for a purification apparatus such as a wash column. A slurry is produced in a crystallizer. The crystals are essentially removed from the concentrated mixture and transported to a more di...  
WO/1983/001011
A liquid purification system which removes impurities from liquids, such as salt from water. The system as depicted, for example, in Fig. 2, includes operationally interconnected vaporization means (22), condensing means (23) and heat ex...  
WO/1982/000417
An activator for initiating crystallisation of a supercooled salt solution comprises a thin trigger (14) of sheet metal having two configurations between which it is bendable with snap-displacement. The trigger (14) has multiple pin-hole...  
WO/1982/000459
The purification method of polluted water by dissolved materials which are separable through crystallization, consists in circulating the solution in a heat exchanger where the vaporization temperature is reached, in feeding the solution...  
WO/1981/003016
The essential feature of the process according to the invention lies in that solid crystalline matters, respectively precipitates are gained from the solution by means of chemical reactions, in such a manner, that at least one of the com...  
WO/1979/001052
A method for preventing fouling in apparatus used to separate a solvent from a solute which includes a semi-permeable membrane barrier is disclosed. The method comprises providing a quantity of nucleation crystals in the fluid stream pas...  
JP2013220386
To provide a crystallization reaction apparatus and a crystallization reaction method capable of efficiently performing crystallization reaction even when the crystal concentration inside a crystallization reactor varies.A crystallizatio...  
JP2013180948
To provide a method and installation for inexpensively and continuously producing a coarse-grained ammonium sulfate product from an ammonium sulfate solution while maintaining a high production yield.In a method in which a crystallizer 1...  
JP2013141622
To provide a crystallization reactor recovering a hardly soluble salt at high recovery rate without increasing a supply amount of seed crystals.This crystallization reactor includes a crystallization reaction tank 10 having a crystalliza...  
JP2013139484
To provide a form-I crystallization compound of (-)-6-chloro-4-cyclopropylethynyl-4-trifluoromethyl-1,4-dihy dro-2H-3,1-benzoxazin-2-one; and to provide a method for obtaining the crystallization compound.The desired final crystal form, ...  
JP2013071097
To provide a crystallizer continuously operable, high in crystal production efficiency and obtaining fine and uniform crystals.The crystallizer includes a cylindrical container 2; a heat transfer cylinder body 4 provided in the container...  
JP2013056946
To provide a sugar recovery method.The present invention relates to a chromatographic separation process to recover high-purity mannose. This invention is based on the use of a chromatographic separation resin containing a resin that is ...  
JP2013022469
To provide a device and a method for refining an organic compound, allowing obtaining granulated crystal with high efficiency.A circulation flow path 20 for guiding a liquid material containing the organic compound introduced thereinto o...  
JP2013013851
To provide a sludge treatment apparatus that recovers phosphorus with highly efficiency after application of a crystallization method for recovering phosphorous in a reusable form as fertilizer, and at the same time, discharges dewatered...  
JP2012246263
To provide: a scraper unit with a structure to effectively suppress growth of a crystal layer on a cooling surface; a crystallizer of methacrylic acid with which elevation of a degree of supersaturation in a crystallization tank having t...  
JP2012228647
To provide continuous crystal purification equipment which has the same efficiency or is better than the conventional continuous crystal purification equipment and which has a wide application range while the structure is simpler and sti...  
JP2012223727
To provide a crystallizer with a simple structure which exhibits high classification performance in crystallization.A rotary blade means 5 for generating a swirl flow in a raw material liquid of suspended slurry in a vessel 2 along an in...  
JP2012214308
To provide a method capable of recovering a Li salt at a high recovery rate efficiently from a Li resource such as brine water.In this method for recovering a Li salt including at least a step for concentrating Li+ by treating water cont...  
JP2012193074
To provide a separation method that can easily separate high-purity ammonium hydrogen fluoride from a solid mixture that contains at least the ammonium hydrogen fluoride and a silicon compound.In the separation method, the ammonium hydro...  
JP2012183457
To provide a separation method and device, capable of simply separating a hydrofluoric acid of high purity from a mixed acid containing at least the hydrofluoric acid, ammonium hydrogen fluoride, silicon and water.The separation method i...  
JP2012157858
To provide a fine particle making method capable of making monodispersed fine particles, prevented from being clogged with products owing to self-drainability, not requiring high pressure and having a high production performance.A fluid ...  
JP2012136424
To relate to novel methods for affecting, controlling and/or directing various crystal formation, structure formation or phase formation/phase change reaction pathways or systems by exposing one or more components in a crystallization re...  
JP2012125703
To provide a crystallization method and a crystallizer in cooling crystallization without a seed crystal, formable of monodisperse particles of any particle count in any particle diameter without modification to or addition of equipment ...  
JP2012106202
To form a crystal without any delay in manufacturing a crystal product using a heat exchanger and to prevent an entrance of a material from a blocking by deposition fixing of the crystal.In the heat exchanger, a heat exchange is carried ...  
JP2012091171
To provide a process for separating solids from liquids in a filtration zone defined by a higher concentration zone and a lower concentration zone separated by a filter.The process includes: a step of directing a slurry feed comprising a...  
JP2012055851
To provide a by-product salt refined from a salt water obtained by washing-treating the gas containing hydrogen chloride by washing water containing sodium hydroxide, in which the quality is raised to the grade which can be utilized as a...  
JP2012005953
To perform the fine control of a crystallization condition when crystallizing a sample, to control a crystalline structure and a size, and to grow the sample grow and precipitate it to a target polygon and size.A terahertz wave W1 is irr...  
JP2011245474
To provide a method for producing a precipitated substance, particularly a metal compound, which contains the controlled amount of an element to be doped therein, by using such an apparatus that performs treatment of fluids between the t...  
JP2011230071
To provide a crystallizer capable of reliably condensing steam discharged from a crystallizer by sufficiently cooling it and suitably maintaining a pressure in the crystallizer.The crystallizer 100 includes: a crystallization can 110; an...  

Matches 601 - 650 out of 2,333