Electrolytic synthesis of sebacic acid
The invention is refered to a process for the production of sebacic acid-a chemical electrolysis process, in which the diester of sebacic acid is synthesized by electrolytic oxydation wi...
Method for removing sulfate from electrolytic brine
Electrolytic waste water containing alkali metal chlorides is diluted until the content of alkali metal chlorides is less than 150g/l. Then the diluted waste water is in contacted with t...
Electrode for electrolysis
A cathode that is made of conductive liner covering with (Ru-Sn) O2 Solid solution can be applied in salt water electrolysis. The improved covering contains 3-45 mole percent of rutheniu...
11
85105696
Pre-expanded ion exchange membranes
The invention relates to a pre-expanded ion exchange membrane made up of one or several layers of fluoropolymer. The polymer contains carboxyl group or sulphonate group, and 8-30% by wei...
Seal for electrolytic cells
A bipolar electrolytic cell assembly of the filter press-type comprising a first frame, a second frame, a separator is interposed between the frames to space apart an anode and a cathode...
14
85106624
Multi-cell electrolyzer A multi-cell electrolyzer comprising a plurality of unit cells, each of which is adapted to have an internal pressure maintained at a level higher than the atmospheric pressure in operati...
Electrolytic cell and method of operation The invention proposes an electrolytic cell is provided comprising a cell frame with at least two electrode compartments which are separated by a membrane. At least one electrode compartm...
18
85108122
Membrane unit for electrolylic cell A membrane unit for use in an electrolytic cell comprising a combination of a membrane material and a reinforce meterial which is applied only on the gasket-bearing surface of the membran...
19
85108341
Process for electrolysis of water
Platinum and ruthenium coatings are used on electrodes for electrolysis of water to lower cell voltage and save energy consumption. Coatings suggested by this invention consist of: PtO2,...
20
85105511
Energy saving during electrolysis
Aim of this invention is to find out an industrial method of electrolysis which saves more energy than existing method of electrolysis. The present invention is charaterized by that in a...
21
85108158
Negative pole Disclosed is a cathode comprising an active layer composed of a nickel/tin alloy having a nickel content of 25 to 99% by weight, which is formed on the surface of an electrically conducti...
Multi-layered diaphragm for electrolysis A multi-layered diaphragm for electrolysis, which comprises a porous layer of a fluorine-containing polymer having a pore diameter of from 0.05 to 10 mu m, a porosity of from 30 to 95% an...
Wholly fabricated electrochemical cell The invention is a method for making an electrolytic unit having a substantially planar electric current transmission element comprising a generally planar support portion, a peripheral f...
Partially fabricated electrochemical cell The invention is an electrolytic unit comprised of a plurality of parts connected in a manner to form a substantially planar electrolytic unit comprising: an electric current transmission...
Method for recovering current efficiency In the electrolysis of sodium chloride by means of a perfluoro cation exchange membrane for the production of sodium hydroxide having a concentration of from 32 to 40% by weight, a method...
30
85109402
Process for preparing glyphosate and glyphosate derivatives A process for preparing glyphosate and other secondary amines of related structure in which a precursor primary amine such as aminomethylphosphonic acid is condensed with glyoxylic acid, ...
31
85109397
Process for preparing glyphosate and glyphosate derivatives A process for preparing glyphosate and derivatives of related structure. A precursor primary or secondary amine, such as glycine, is condensed with a carbonyl compound, such as formylphos...
Brazing eutectic and method
A sensor for assessing conditions within a metallic high pressure boiler 10, has a sensitive tip section 12, which is insulated from the boiler by virtue of a ceramic spacing member 101....
Electrical chlorination stibium abstracting from stibiconite
This invention is part of electrochemical metallurgy: It includes economical and effective absorbing of GB 4062-83 zero or first level stibium from stibiconite throngh wet-process such a...
41
86107225
Dipolar type electrolyzer and unit cell thereof A bipolar type electrolyzer unit cell includes an anode-side pan-shaped body and a cathode-side pan-shaped body which each comprise a hooked frame, frame wall, and partition wall and are ...
Improved solid polymer electrolyte electrode The invention is a solid polymer electrolyte structure comprising a membrane sheet; a plurality of electrically conductive particles; and an electrically conductive, hydraulically permeab...
Titanium alloy anode for electrolysis and its making method
This invention relates to the titanium alloy anode and its structure and materials used in the production of manganese dioxide by electrolysis. The structure of the titanium alloy anode ...
Porous anodic aluminium oxide membrane catalyst support A catalyst device comprises a porous catalytically active inorganic membrane, means for presenting a fluid reactant to a first surface of the membrane and means for recovering a fluid rea...
Improved electrolytic equipment for chlorate
This invention is an improved electrolytic equipment for chlorate, which consists of electrolytic bath and reactor. After the anodic plate of the electrolytic bath is welded to one face...
53
87104811
Electrolyser of the filter-press type The electrolyser comprises vertical electrodes (8, 9) and a stack of vertical frames (1, 2) made of a flexible material, deployed freely over the periphery of the electrodes and elastical...
Ion exchange membrane for electrolysis An ion exchange membrane for electrolysis comprising a first layer of a fluoropolymer having carboxylic acid groups as its ion exchange groups and facing a cathode, a second layer of a fl...
56
87105832
Titanium anode for electrochemical industry
In this invention is described a titanium anode suitable for use in the electrochemical process, especially those having a protective layer for the production of sodium hypochlorite by e...
57
87105508
Prodn. process of sodium perchlorate
In the process described, saline in first submitted to exhaustive electrolysis to produce sodium chlorate soln. of low salt content. and sodium perchlorate is obtd. directly by further e...
58
87106193
Current collector combined with solid high-polymer membrane
The present invention relates to a module package for preparing ion permeable membrane, electrode and current collector, comprising: a) preparation of a porous substrate of conductive ma...
Modified anode of lead dioxide for electrolysis
The modified anode of lead dioxide is consisted of lead dioxide, cobalt. spinel, modified metal oxide and electrode base. The making technique of electrode is that the valve metal oxide ...
62
87107154
Composite ion conductive film
This film is made by adhering silicate powder with high polymer. It possesses flexibility, high ionic conductivity and extremely low electronic conductivity. It may be easily made in the...
Improved diaphragm for electrolytic cell
The asbestos fibre and suspension which is consisted of titanium oxide and isopropanol are mixed into the paste, which is sedimentated on negative pole. The negative pole and diaphragm a...
Two-spacer photolytic cell
Two-spacer photolytic cell refers to a kind of photolytic cell which transforms light energy from directly into chemical energy and is esp. suitable to be used for photolytic cell for pr...
Salt mixture for preparation of magnesium and chlorine
The present invention relates to preparing a mixture of salts of magnesium and chlorine. The mixture of salts contains carnallite, sodium chloride, potassium chloride, calcium chloride a...
Three-spacer photolytic cell
Three-spacer photolytic cell refers to a kind of photolytic cell which transforms from light energy directly into chemical energy and is esp. suitable to be used for photolytic cell for ...
72
88103588
Method for production of alkali metal hydroxide A method for producing an alkali metal hydroxide by electrolysis in an electrolytic cell comprising an anode compartment and a cathode compartment, which comprises supplying an aqueous al...
73
88103456
Treatment process for metallic anode reclamation
The characteristic of this method consists in two process adopted: (a) metal nitrate and metal halide soln. of definite concns. are used for soaking the metallic anode after removing the...
Boronated carbon products and their production
The present invention refers to the preparation of boronated carbon products for industrial use. The characterization of the said boronated carbon products is that their surfaces is coat...
77
88108444
Electrolyzer for purification of fluids
Said electrolyzer includes body (1) with conduction load, being anode, and cathode-plale insulaled from load with diaphragm. Plate (6) divides the body into two rooms along the length of...
78
89101949
Apparatus for decomposing water into hydrogen and oxygen
The decomposition apparatus of this invention is one using high-frequency electrical pulses to decompose water into hydrogen and oxygen. According to the characteristics of high-frequenc...
79
89101935
Treatment method for graphite anode in chlorine-soda industry
This invented treatment method for graphite anode in the chlorine-soda industry belongs to the field of thermo-chemistry, concretely, i.e. the thermo-chemical treatment for the graphite ...
Preparation method for alkoxy metal compound
This invention publicizes a kind of production method for a metallic alcoholate with a general formula of M(OR)n, in which M is aluminum, magnesium or titianium, N is 3,2 or 4, and R is ...
88
89104135
Method for refining saline using witherite mineral powder
The present invention makes the cheap and easily available witherite ore be ground into mineral powder which is added in the coarse saline and reacts with the Ca ion and SO4 in saline to...
89
90104692
Gas welding machine by electrolysis of water
This invention discloses a gas welding machine by the electrolysis of water, which is suitable for the welding of such materials as low-or medium-carbon steel, low-alloy steel, Cu, Al an...
90
90103835
Manufacturing two-valence europium by electrolysis reduction
According to this invention, such Ti part as Ti plate, porous Ti plate, Ti wire or Ti-wire net is used as cathode and ordinary carbon steel or iron part as anode. The anode chamber is is...
Process for making p-aminophenol from nitrobenzene
The present invention refers to a one-step synthesis of p-aminophenol. The reaction still has cathod chamber of membrane electrolysis bath with outer forced circulation. The rate of elec...
98
91101100
Preparation for nickel salt by ac electrolysis
The present invention features that the electrolysis is conducted by using ac power as source, nickle plate as electrode and acid solution as electrolyte to obtain the products of certai...