Match Application Number Document Title
1 85100163 Method of extracting gallium form dissociation mother liquor form the prodn. of...
The process consists in passing CO2 into the mother liquor remained after separation of aluminium hydroxide by carbonation dissociation treatment complete carbonation dissociation, galli...
2 85102460 Electrolysis-crystalization method for producing high purity gallium
The technology is divided into two steps, electrolysis and seperation by crystallization. Trace impurities Fe. Cu. Pb. Zn. Sn. Si. Hg. Ni,etc. in raw gallium are removed so as to get pro...
3 85101168 Process for producing tin from lean tin oxides or raw oxides-suephides/concentr...
The concentrates or raw ores are mixed with KOH and decomposed at elevated temperature. Leaching the decomposed products with water, the leach liquor is put to single or multiple stage e...
4 85100748 Electrolysis tank for continuous production of Nd-metal and Nd-Fe alloy
The electrolysis tank of this invention is constructed with refractory, fluor-resisting graphite.The receiver is made of high melting point metallic molgbdenum which does not react with ...
5 85104086 Anodic carbon rod of partially reduced size in aluminium electrolytic bath
This invention refers to carbon anode used for making aluminium in the electrolytic bath of hall-Heroult process. The anode is connected to the input of positive current through at least...
6 85103452 Process and apparatus of auto-reinforcing suction for alumininum electrolysing ...
This invention provides a process which can be switched automatically into a reinforced suction state for collecting the gases escaped from a series of eletrolysing tanks used for produc...
7 85102283 Method for making Nd-ferro master alloy
This invention presents a method for producing various grades of Nd/Pr ferro alloy by molten salt-electrolysis. Pure iron crucible is used as metal acceptor, cathode is pure iron or mixe...
8 85104565 Combined cathod blocks and cathod with a low voltage drop used for Hall-Heroult...
The present invention relates to cathod blocks with low voltage drop used for aluminium electrolyzer which consists of a rectangle metal box supporting the cathod. The cathod consists of...
9 85104334 Concurrent production of electrolytic metallic manganese and fibred electrolyti...
The present invention relates to manufacture of manganese products by electrolytic metallurgy with manganese chloride solution as electrolyte. It involves selection of electrolyte, separ...
10 85104175 Improved electrolytic processes employing platinum based amorphous metal alloy ...
Improved electrolytic processes employing oxygen anodes. The improvement comprises the step of conducting a electrolysis process in an electrolytic cell having a platinum based amorphous ...
11 85107384 Method and apparatus for the continuous production of electrode material
The continuous production of electrode material consisting of pitch, coke dust and coke particles of variable sizes comprising the steps of mixing and kneading the components in a horizo...
12 85106577 Aluminium electrolyte containing lithium fluoride and magnesium fluoride in ele...
This kind of electrolyte consists of cryolite, lithium fluoride, magnesium fluoride and lalcium fluoride. It has a good electric conductivity and a low temperature for original crystallz...
13 85104858 Cathodic master plate for metallic electrolytical refining
It is for refining of nonferrous metals e.g. Cu, Ni, Co etc.. The master plate in this invention overcomes the drawback of the master plate made by, such as, melting-wrought Ti, Cu and s...
14 85108534 Extraction process of tin from copper-smelting sludge
Tao titanium plate cathode Sn-collection technique is used in this process, and so the facilities for making Sn-cathode plate are eliminated. By use of venturi tube for O2 blowing, the t...
15 85108249 Recover method, equipment and uses of the silver-plating rinse water in the fix...
It employs the fixed bed particulate electrode electrolysis. The cathode region of the reactor is the mixed packings of the electronic and ionic conductor. The electrical conductivity is...
16 85107417 Extraction method of zinc from ores and concentrates
The present invention relates to recovering zinc from zinc bearing ore or concentrate(1) in an electrolytic cell(3). The present process includes forming in anode compartment(2) a slurry ...
17 85109224 Gold recovery process
A process for treating refractory ores combines pressure oxidation treatment of the ore with cyanidation and carbon-in-pulp recovery. Pressure oxidation is carried out under acidic condit...
18 86103165 Process for accurately maintaining a low alumina content in an electrolytic sme...
A process is disclosed for accurately maintaining a low alumina content of between 1 and 4.5% in a cell for the production of aluminum by electrolysis in the Hall-Heroult process. Accordi...
19 86101854 Anode paste in aluminium electrolysis
This invention relates to materials for the anode in electrolytic alumium production: Distribution of grain sizes of dry petroleum coke: 10-14 mm, 15-20% (by wt.), 4-2 mm, 14-20% (by wt....
20 86100333 Neodymium chloride electrolytic and vacuum distillating method to manufacture m...
This is a technique of manufacturing neodymium-magnesium alloy by electrolytic method, then distillating the alloy in vacuum to get the metallic neodymium. The optimum conditions of the ...
21 86103689 Connection apparatus between aluminium electrolytic tanks
The invention relates to a circuit for electrical connection between two successive cells of a series or row, designed for the production of aluminium by electrolysis of alumina dissolved...
22 86103590 Aluminium electrolytic tank up structure with crossbeam
The invention concerns a superstructure for a tank for the production of aluminum using the Hall-Heroult process by the electrolysis of alumina in molten cryolite, the tank being formed b...
23 86103146 Method for the production of metals by electrolysis
Metal is deposited by electrolysis from an electrolyte using a device comprising an electrolysis cell, at least one anode and at least one plate-shaped cathode. The cathode is rotatable a...
24 86107232 Method and apparatus for stripping the metal layer electro-deposited on cat hod...
This invention deals with a multi-plate style stripping apparatus and method for stripping the electro-deposited metal layers, especially for electro-deposited zinc layer, from cathod pl...
25 86107432 The composite additive containing lithium salt, magnesium salt and rare earth c...
The present invention provides LMR composite additive composed of Li, Mg and rare-earth compds and the adding technology thereof for the production of Al matrix rare-earth alloy. The key...
26 86107877 Improvement in an apparatus for rapid dissolution of metal alloy sample for che...
The invention aims at the dissolving of the sample continuously, for direct analysis in equipment such as flow injection analyzer, atomic absorption spectrophotometer, plasma spectromete...
27 87102008 Method of extracting manganese dioxide and zinc from waste zinc manganese dry b...
The method of extracting manganese dioxide and zinc from waste zinc manganese dry batteries belongs to the domain of regenerating useful materials from waste primary batteries. The manga...
28 87100845 Production of anhydrous chlorides of rase earth elements and the electrolysis t...
This invention concerns a process of preparing aulydrous chlorides of rare earth metals and the metals therefrom by an electrolytic method. Instant dehydration of crystalline hydrated ch...
29 86108948 Mfr. of Al-Li intermediate-alloy
This invention involves to a method for mfg. Al-Li intermediate alloy. The pure lithium chloride is taken as electrolyte, with liq. aluminium adopted as cathode. No inert gas is necessar...
30 87103508 New process of comprehensively utilizing boron paste
Up to now, the residuum of producing boron (named boron paste) in a chemical factory is still useless and has to be abandoned, so that the treatment of boron paste becomes a heavy burden...
31 87102881 Method for removal of monovalent ions from ZnSO4 electrolyte by electrodialysis
Monovalent ions, especially chloride fluoride and thallium, using alternating monovalent anion permselective membranes and cation exchange membranes, are effectively seperation from ZnSO4...
32 87104215 Inflated suspension of vibrating squeezer for producing carbon mass
The invention relates to an apparatus of the vibrocompactor type for compacting carbonaceous blocks, and which comprises a vibrating table on which a carbonaceous paste is to be disposed,...
33 87101573 Method for producing lithium-containing alumina
This invention provides a method for producing lithium-containing alumina. The proposed process comprises mixing of bauxite, lime and spodumene with caustic soda solution into a slurry, ...
34 87103606 Hermetic feeding device for a side-insertion soderberg cell
The present invention relates to an automatically-crushbreaking, constant-volume feeding spot type hermatic device for a 60 KA side-insertion soderberg cell, which electrolyse melted alu...
35 87105073 Anode
This invention provides an electrode used for manufactorying aluminium or aluminium-base rare-earth alloys. It is made from carbonic material containing rare-earth compounds. If the elec...
36 87105040 Production of active lead powder with cinder in waste battery
The invention provides a technique of production of active lead powder with cinder in waste battery. The cinder from anode and cathode of waste battery is ground and electrolyzed in basi...
37 87105233 Direct electrolysis for producing alloy of rare-earth, aluminium titanium and b...
The technique is to produce the fining agent of aluminium in metallurgical industry. The existing heat-reduction technique is complex, cost is high, recovery ratio of aluminium is low. I...
38 87104371 Controlling tar content of positive electrode for aluminium electrolizing
The invention relates to a method of regulating the tar content of precooked anodes intended for the production of aluminum by electrolysis, to an optimum level Bm corresponding to the ma...
39 87106621 Process and apparatus for shaping carbonaceous blocks by multiaxial compacting
An apparatus for shaping, by compacting, carbonaceous blocks formed by a carbonaceous paste based on a carbonaceous aggregate such as coke, anthracite or graphite, and an organic cokable ...
40 87105905 Prepn. of Mn by electrolyzing Mn-bearing waste water of p-dihydroxy-benzene
This invention provides a technique to prep. Mn by electrolyzing Mn-bearing waste water of p-dihydroxy-benzene. It consists in the associated process ofair-oxidation, sublimation with ac...
41 87106181 Method to transform the available side-inserted self-baking anode aluminium ele...
The method presented relates to the improvement of the charging of alumia for the side-inserted self-baking anode aluminum electrolytic trough. In each of the two big surfaces of the ele...
42 87102096 Additive agent for lead electrolysis
This invention relates to an additive agent for lead electrolysis which consists of sesbania gum and xylenesulfonate mixing with beta-naphthol, or sesbania gum and xylenesulfonate. It ov...
43 87108145 Low-resistance anti-oxidized self-baking anode for electrolyzing aluminium
This invention belongs to an anode material used as electric conductor for the electrolytical production of aluminium. The self-baking anode is made up by using the waste carbon block (w...
44 87107682 Method and apparatus for sealing the cathode pole on a prestressing force condi...
The invention concerns a process and an apparatus for applying prestresses to carbonaceous cathodic blocks in the operation of sealing the cathodic bar in position with cast iron. The blo...
45 88100651 Electrolysis method for producing AlSi alloy
This invention is a method for producing Al-Si alloy by electrolysis. Spodumene and Al2O3 powder are put into molten cryolite, then are directly electrolyzed to make the Al-Si alloy. It ...
46 88105661 Preparation of power-saving carbon anode for aluminum electroextration
The present invention relates to the preparation of power-saving carbon anode for aluminium electroextraction. It is characterized by that the self-baking anode paste or prebaked anode b...
47 88100103 Active carbon anode for electrolyting Al
This invention relates to an anode for the production of aluminium by electrolysis. The anode is a kneaded structure of lithium carbonate (0.4-1.5%) bitumen and coke. The overvoltage of ...
48 88102797 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...
49 88101044 Process for producing high purity Sn from raw soldering tin
The present invention relates to a new process for purifying raw soldering tin by vacuum still, spiral mechanical crystallizer, and electrolysis in sulphuric acid-silicofluohydric acid s...
50 88102506 Industry aluminium electrolyzer to produce directly a intermediate alloy of alu...
This invention discloses a new technique of making intermediate alloy of aluminium-titanium-boron three elements. Its basic technological method is utilizing the complete set of industry...
51 88102179 Process and apparatus for controlling solid electrolyte additious to electrolyt...
The invention relates to a process for controlling solid electrolyte additions to a cell for producing aluminum in a molten cryolitic bath. According to this process a nominal value HBC i...
52 88102181 Process for preparation of master alloy of Fe and Nd by electrolysis of oxygen-...
This invention relates to a process for preparing a masteralloy of Fe and Nd by electrolysis. A mixture containing at least one active oxygen-containing Nd compound is reduced in an elec...
53 88103531 Process for recovering lead from exhuasted accumulator
The electrolytic apparatus used in this method is involved with electrolyzer, dil. alkali electrolytic soln. anode and isolating plate arranged in the form of a close assembly structure,...
54 88103256 Method of treating by silicopyrohydrolysis worn linings from hall-heroult elect...
A process for treating worn linings by silicopyrohydrolysis, the linings originating especially from Hall-Heroult electrolysis cells and consisting of a mixture of carbon-containing produ...
55 88103116 Drum electrolysis
Electrolysis of metal from an electrolyte inside a rotating cathode drum during use of an in the drum existing solid, freely movable insoluble particle material, provides that electrolyte...
56 88104290 Anode pasty for aluminium electrolysis and method for preparing same
This invention features that lithium carbonate which amounts 0.09-0.9% by wt. of drier and asphalt is added into the anode slime for aluminium electrolysis instead of the original proces...
57 88105743 Method and equipment for electrolyzing metal Mn and Mn 02 in same electrolyzer
By using (NH4)2SO4.MnSO4 as electrolyte, cooling cathode and increasing the number of anode plated, metal Mn and MnO2 can be simultaneously educed out at cathode for former and anode for...
58 88105786 Technology for extracting of gold from silver anode slime
This invention provides a process in which slime containing mainly of gold and silver is etched out with 2-7 N hydrochloric acid at temperature of 25-90 deg.c. The etched liquor is direc...
59 88106771 Steel cathode rod for aluminium electrolysis bath
The present invention refers to a new steel cathode rod for aluminium electrolysis bath. The structural parameters of steel cathode rod are determined by magnetic field distribution in e...
60 89105010 Precalcined carbon anode contg, lithium carbonate
The present invention provides a precalcined carbon anode used in electrolytic preparation of aluminium. The said carbon anode contains 0.11-1.2% lithium carbonate to attain higher chemi...
61 89100108 Method for manufacturing natural graphite cathode carbon pieces
A cathodical graphite carbon block for aluminium electrolytic tank and fabrication are published in this invention. The native graphite is used as aggregate of cathodical carbon block. F...
62 88107981 Molten salt eleclrolysis with non-consumable anode
A method of electrowinning a metal by electrolysis of a melt containing a dissolved species of the metal to be won using a non-consumable anode having a metal, alloy or cermet substrate ...
63 89105878 Direct electrolytic refining of copper scrap by stainless steel anode frame
The anode frame is made from stainless steel and the copper scrap is fed into anode frame for direct electrolysis. By selection of the loading method and the control of electrolytic para...
64 89103053 Method for acid balance in simultaneous electrolysis of Zn and MnO2
This invention relates to an improvement of a new wet Zn smelting process in which concentrated Zn ore and soft Mn ore are simultaneously leached out under normal pressure, and then meta...
65 89102917 Wet smelting zinc
In this invention, hot solution of NH4Cl is used to immerse the minerals, or industrial drges, containing zinc oxide, zinc hydroxide, or zinc carbonate, to make zinc to be dissolved in N...
66 89103823 Lead, silver, calcium rare earth multiple-insolubility alloy anode used in elec...
Anode of lead-silver alloy is strengthening treated with calcium and mixture of rare earths which lowers content of silver contained in anode of lead-silver alloy by 80%, and in turn cut...
67 89103793 Process and equipment for prepn. of dysprosium-neodymium alloy
The invention is referred to the area of rare-earth pyrometallurgical technique for the processing and equipment of dysprosium-neodymium alloy, which adopts the fluloride electrolyte sys...
68 89106260 Compound additive of anode for aluminium electrolysis
The present invention relates to a kind of compound additive of anode material for aluminium electrolysis. In the process of anode preparation the additive is directly put into the raw m...
69 89104616 Method for recovering trace Ag in waste developing and printing liquid of film
This invention relates to an improvement of recovering trace Ag from waste developing and printing liquor of film. The electrolysis with large-area electrode is still used. Multiple carb...
70 89108817 Method for using recovered materials from dust of aluminium electrolyser in alu...
The material recovered from the smoke of electrolyser, as an additive, is directly added in anode. Not only is the recovered material of electrolyser smoke utilized, but also the problem...
71 89107353 Single-tank control cabinet for electrolysis of aluminium
This invention relates to an automatic or manual control device for controlling pole-distance of side-inserting self-baking aluminium electrolyzer. It is composed of power supply, contro...
72 90100691 Purifying copper electrolyte by means of liquid-liquid extraction
This invention uses a liquid-liquid extraction to extract harmful elements such as As, Sb and Bi from Cu electrolyte for both improving the quality of electrolyzed copper and reclaiming ...
73 90100565 Technology for making foam metal
This invention uses polyurethane foam plaslic as skeleton to produce the foam metal by electrochemical method which fully changes the producing processes of powder metallurgy method and ...
74 90103824 Direct electrolysis method of powder metal materials
A direct electrolytic process for powder metallic materials is presented in this invention. The powder metallic materials are packed directly in polyamide fibre pocket, the conducting pl...
75 90101377 Particulate anode paste and process for preparing same
This invention features that it is made up by uniformly mixing such matters as low-grey carbonaceous material and asphalt, as well as possibly additional humectant and/or oleic-acid surf...
76 90106860 Producing method for artificial stone mill cathode charcoal
The feature of this invention lies that the main aggregate is the waste from the utilization of graphite, the waste from graphitization in carbon mills, or graphite dust from machining. ...
77 90107034 Extraction of gold
This invention discloses a method for extraction of gold by electrolysis of sea water.
78 90106928 Direct electrolyzation obtaining gold with steel wool used in cyanide liquid
This process comprises steps such as clarification of cyanated noble metal liquor, the electrolysis of cyanated noble metal liquor by the parameters of current density (11-22 A/sq.m), el...
79 90108008 Composite assembly of a mother plate with stuck sides and its manufacturing met...
This invention relates to a comp ound of insulating coating material, which has acid resistance, heat resisting property and resistance to impact force, it is used for coating on edge of...
80 91100622 Molten salt electrolysis for producing Ti-Al alloy powder
The invention provides a molten salt electrolysis for making Ti-Al alloy powder. In this method, separate soluble anodes of Ti and Al are employed to produce Ti-Al alloy powder in a syst...
81 90106460 Cathode carbon block for electrolysis of aluminium and making method thereof
This cathode carbon block has a matrix which the general cathode carbon block for the electrolyzer of aluminium has and a surface layer-C-TiB2 composite film. Its technological steps to ...
82 91106671 Method for the adhesion of titanium boride powder onto carbon block
TiB2 powder, asphalt powder and organic resin are used as main components, appropriate amount of mixed solvent and solidifying agent is added depending on consumption, after the mixture ...
83 91100789 Method for making cathod carbon block used in aluminium electrolytic bath
The present invention refers to a method for the production of cathod carbon block used in Al electrolytic bath. It uses calcined anthracite, metallurgical coke, crushed graphite ( or sc...
84 91106120 Fluidized-bed roasting treatment method for aluminium electrolytic flue ash
This invention relates to akind of flue ash treatment method by Al. electralysis. It adopts a boiling and vaking technology of firing method, to make the flue ash in fluidized state also...
85 91102934 Pure iron foil preparation method by electrolytic formation
The present invention relates to a method for preparing pure iron foil by electrolytic formation which deposits on the titanium or titanium alloy barrate cathode by dc electrolytic depos...
86 91106094 Melting salt electrolysis for prodn. of lead, calcium and strontium alloy
The invented method is that the anode is anti-oxidation graphite, the cathode is the melted lead liquid and the composition of electrolyte is the melted mixture of anhydrous chlorides of...
87 91104078 Artificial diamond purifying apparatus using electrical power to remove catalys...
This invented purifying apparatus is an improvement on general electrolysis purifying apparatuses in such cases as use of Ti-metallic anode basket which is replaced by glass-plastics ano...
88 91104117 Aluminium electrolytic tank wall inside filler charcoal block
This invention is related to an internal lining carbon block of alummium electrolyzer wall. Long grooves are positioned in longitudinal direction of building face, improved material comp...
89 91103797 Roasting method for self-roasting tank for aluminium electrolysis
The present invention relates to a roasting method of aluminium electrolytic self-roasting tank. It replaces the traditional coke, breeze or aluminium powder with the aluminium beans (th...
90 91105065 Carbon binder
The present product consists of 30-60 wt% furfuralcohol resin, balanced artificial graphite powder, and additional solidifying agent, hydrochloric acid, 4-10 wt%, sulfuric acid ethanol...
91 91107256 Rapid electric baking of self-baking anode electrolyser
This invention belongs to cryolite-aluminum oxide molten salt. anode calcination technology for producing aluminum by electrolysis. It is suitable for self-calcining anode electrolytic b...
92 91106752 Fabricating method for energy-saving composite carbon anode for aluminium elect...
The invention relates to a compound energy-saving carbon anode for aluminium electrolysis and its manufacturing method. The carbon anode is featured by addition of two or more basic meta...
93 91105245 Zn powder production method
An extract-electrolysis process to produce Zn metal powder from Zn containing materials. Ammonate and ammonia spirit were used as infusion agents. Electrolysis is carried out in an ammin...
94 91105750 Process for seperating copper, zinc, lead, iron and tin from brass
This technological method for separating copper, zinc, lead, iron and tin from miscellaneous brass resides in that miscellaneous brass is melted and then is cast into an anode plate for ...
95 91110533 Process and special electrode for producing electrolytic metal Mn from manganes...
The invention relates to a process for obtaining electrolytic metal manganese from such raw materials as Mn-rich slag, hydrochloric acid and ammonium chloride through leaching, purifying...
96 91109764 Electrolysis refinery process of pure zinc from crude zinc
The refining method uses crude zinc (Zn 93-98%) as raw material and casts it into anode. Through electrolysis, the cathod obtained is pure zinc. The electrolyte used is zinc carbonate-bo...
97 92101707 Process for preparation of Nd and Nd-Pr base heavy rare-earth alloy
The present method uses fluorides as melting electrolyte, which consists of neodymium or praseodymium-neodymium fluoride 40-89 wt%, heavy rare-earth fluoride 1-40 wt%, calcium fluoride 0...
98 92100511 Anode energy-saving technology for side-mounted self-roasting aluminium electro...
By process of proper assembly of steel rod with small head and heat insulation of corner positions, the current passing through cathode can be evenly distributed, so the problem of parti...
99 91109442 Electrode potential electrolytic method
The electrod-potential electrolytic process for wet metallurgy is that a specially made ionic seive is additionally mounted in the electrolytic bath, the depositing electrode is isolated...
100 92102797 Inert anode for molten-salt electrolysis producing neodymium
Conventional fused-salt electrolysis for producing neodymium adopted graphite anode, which resulted in anode burn, air pollution and high carbon content in neodymium. The present inventi...
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