Match Application Number Document Title
1 85100108 Method for extraclion of gold and silver from the anode mud of copper electropl...
In this invention a technology is presented for extraction of gold and silver with di-(2-ethylhexyl) thio ether from the anode mud of copper electroplating. This process does not include...
2 85100106 All-wet refining process of goldmud from cyanide processing
This invention presents an all-wet process based on extraction method which directly prepares pure Au from goldmud, and at the same time recovers valuable metal such as Ag. The rate of r...
3 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...
4 85100109 Recovery of platinum via extracting waste catalysts
The platinum content of the catalyst using r-alumina carrier is so low that the prior art of recovery of platinum is relatively complicated. The present invention concerns a new process ...
5 85100396 Method and equipment for continuous countercurrent fluidized leaching of chromi...
The aim of the invention is to find out the technology and equipment for leaching of the groy of chromite basic roasting, which are easy to operate, with good leaching result and high ef...
6 85100350 Method and equipment of alkali decomposition of white tungsten fine ore and raw...
The character of this invention is that, the tungsten ore is mixed with NaOH and ground in a specially designed pressurized hot grinding machine. The combination of chemical decompositio...
7 85100240 Method for recovery of gold and palladium from waste eleclroplating liq.
A thiamine chelate resin is used in this method to adsorb gold and palladium in the solution in a wide range of acidity with high selectivity, adsorbability and absorption rate. The adva...
8 85100737 Extraction of tungsten by using primary amine-neutral donor reagent
A new co-extraction system consisted of primary amine (including N-1923, 7101, JMT), neutral donor reagent (including TRPO, TOPO, TBP, P350, N-octanol) and inert solvent described in thi...
9 85100731 Recovery of valuable metals from industrial waste
This invention concerns a new process of hydrometallurgy for treating multicomponent slag which contains nickel, cobalt and chromium, or also contains tungsten and molybdenum. The leadin...
10 85100645 Double-sphere sintering technology
This doduble-rpere sintering method can reduce the energy conrumed during the sintering period of refined iron ore,and improve the guality and the yield of the product. In this method, r...
11 85100861 Semi-lining, high quality, low energy consumption electric slag re-smelting of ...
The present invention is a new type electric slag refining equipment and technology, which is a combination of semi-lining alternating current slag re-smelting, integrated direct current...
12 85100845 One step electro-slag melt-casting technology for crankshaft and equipement used
The technology is capable of completing the electroslag refining, solidification and forming of integral crankshaft at one step with the same equipment. The consumable electrode can perf...
13 85100843 Process of melt-reduction for producing pig iron using coal-containing spheric ...
The present invention relates to a process for producting pig iron using coal-containg spheric agglomerates, shaped coal or low-quality coal as starting material in a shaft furnace provi...
14 85101652 Liquid-liquid extraction process for separating rare-earth elements
The invention relates to a process for separating rare-earth elements. The process is rearlized by contacting liq. phase of rare-earth nitrate and organic phase of organic hypo-phosphini...
15 85101496 High density ion exchange resin for molybdenum recovery
Mo is separated from the solution which is in acidic state and contacted with sulfate form of macroporous anionic ion exchange resin in which contains barium sulfate precipitation. This ...
16 85102841 Deformation electroslag casting
Electroslag casting is a new technology cross between metallurgy and mechanics, It has both refining function and solidifying forming function. Therefore it is suitable for producing hig...
17 85101919 Method for recovering the metal values from materials containing tin and/or zinc
The invention relates to a method for rcovering the metal values from materials containing at least one of zinc and tin, by smelting the starting materials under oxidizing conditions and...
18 85101885 Separation of mixed rare-earth elements by extraction
In this invention, mono-2-ethylhexyl (2-ethylhexyl phosphate) is used as extraction solvent multistage solvent extraction is adopted, first to separate erbium and thulium so as to divide...
19 85101694 Method for producing metallic lead by direct lead-smelting
This invention refers to the production of metallic lead from lead ore by smelting in oxidation and then reduction-oxidation conditions. The reduction is proceeded by adding solid carbo...
20 85102210 Process for seperation of mixed rare-earths by ammoniated HEH (EHP)
The solvent extractive group separation of ion-adsorbing rare earth ores comprising mainly light rare-earths, by ammoniated EHEHPA is one of hydrometallurgy solvent extraction processes....
21 85101989 Technology for preparation of Li2CO3 by treating lithium-loaded mica with K2SO4
This invention concerns mainly the method of obtaining Li and recovering K, Na, Al, Si, Ru, and Cs, from lithiumloaded mica. Lithium-loaded mica is mixed with K2SO4 and roasted. Then a f...
22 85101961 Recovery of co-existing Mo, Bi, Cu in tungsten ore
The present invention is to recover Mo, Bi, Cu in tungsten ore instead of conventional unitary floatation. The Mo, Bi, Cu sulfide ore is stirred with oxidant (Ferric chloride or manganes...
23 85102244 Phosphonates LLE separation of rare earth elements
Er, Dy, La, Ce, Pr and Na is produced from the ionic rare earth minerals. Owing to the promoting of volume and separation factors of extraction of the rare earth elements and the decreas...
24 85102241 Releasing tin metal in high lead low tin alloy and apparatus therefor
In the electrical heating, continuous crystallizing furnace through the temp. gradient within furnace formed from the electrical heating and the slope of the crystallizing furnace instal...
25 85102220 High purity yttrium obtained by solvent extraction
Naphthenic acid is proposed as extracting agent, and naphthenic acid-ammonium naphthenate-aliphatic alcohol-kerosine is the extracting organic phase. Yttrium can thus be separated in hig...
26 85102378 Production of vanadium from atomized vanadium residue by calcination and water ...
This invention aims at selecting the advantageous conditions for vanadium extraction from atomized vanadium residue by calcination and water extraction in one run: the calc. temp. is 740...
27 85102359 Special foamy ceramic filter for casting production
Taking soft polyester foam plastics as its mother substance, the filter is made by burning a ceramic mush made up of clumina clay, bentorite and water glass. This kind of filter has such...
28 85102270 Separating yttrium by solvent extracting and preparation of low-yttrium mixed r...
A process for separation of yttrium and preparation of rare-earths mixture at low content of yttrium is disclosed, where-in naphthenic acid-ammonium naphthenate-aliphatic alcohol-kerosen...
29 85102248 Grouping rare earth and richening terbium by solvent extracting
The present invention concerns a multistage fractional extraction process of two steps according to the hydrometallurgical liquid-liquid extraction technology, in which the chlorides of ...
30 85102529 Collecting rare-earth from ion type rare-earth ore and the process for its comp...
Based on the peculiarity of ion type rare-earth ore, in the process of this invention, extraction of rare-earth, separation of the crude tailings and elimination of aluminium are carried...
31 85102489 Method of Mfg. sb203 with metal antimony
It is of self-heating oxidization and volatilization in the antimony white (Sb2O3) furnace. The antimony white furnace adopted is somewhat like the small type reverberatory furnace in wh...
32 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...
33 85103346 Process for direct reduction of briquets bound with high molecular substances
A high molecular complex binder made by the inventers, ore concentrate and powdered coal are mixed and made into briquets. The briquets have a compressive strength of more than 20 kg/pie...
34 85102902 Process for boiling smelting
This invention relates to a process of matte smelting used for copper concentrate (or heavy metal glance such as nickel concentrate). This process comprises adding coal as make-up fuel t...
35 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...
36 85103266 Method and plant for cooling pellets
The invention is a method and plant designed to cool chunk pellets. First, pellets in a verfical close cooler are cooled by a cross cooling airflow. Second, pellets are cooled further by...
37 85103341 Continuous horizontal vacuum band-type filter machine and percolation filtratio...
The invention relates to a percolation filtration-dipping process which is carried out with a continuous horizontal vacuum band-type filter machine as a ore-dipping equipment. The invent...
38 85102966 Combined smoke furnace
The present invention combines the blowing device of the heavy nonferrous metal slag with the waste energy utilization apparatus. The furnace of this invention installs a membrane type w...
39 85103836 Method for extracting tin from molten iron
Immediately after the molten iron is poured into the ladle, a sulfide or sulfate or a calcium compound is added. It is then stirred by blowing in a stream of inert gas or mechanically st...
40 85103877 lead-smelting Method without pollution problem
The method consists of: First, the lead oxide (Pb CO3 or PbO) is placed in a rotary furnace externally heated by resistance wire, into the furnace is introduced coal gas, or water gas, o...
41 85103874 Method of catalytic leaching manganese oxide ore
In this method, various kinds of griuden manganese oxide ore powder and other manganesian materials react in the presence of a certain amount of organic catalyst and fermentative reagent...
42 85104034 Direct extn. of fluorescent grade europium oxide
The enriched europium and gadolinium raw material is directly extn. in Hcl medium by two step-multistage sepn. without any reducing agent. The preferred extracting agent is aminated 2-et...
43 85103707 Technology to extract gold, silver and copper from gold ore
This technology is a wet metallurgical process to extract gold, silver and copper from gold or silver fine ores. It comprises three unit operations: extraction, precipitatin and electric...
44 85103711 Extraction of gallium from strongly basic sodium aluminate solution
Introducing a new accelerator and a modifier to the extraction system, the rate of extraction of gallium from sodium aluminate can be increased and the phase separation behavior be impr...
45 85104051 Process of thermally threating lump or agglomerated materials on a moving grate
The thermal treatment is carried out by passing hot gases through the bed. The hot air passes downword through the bed in thermally treating zone, gases containing oxygen pass upword thr...
46 85104036 Direct prepn. of sodium stannate from tin concentrate
This invention discloses a direct method of producing sodium stannate from tin concentrate by soaking and purifying of raw sodium stannate, concentration of refined solution, crystalliza...
47 85103967 Smelting of rare earth fine ore briquettes (or lumps) to prepare rare earth fin...
The present invention is a pretreatment to solve the problem of raw materials in manufacturing high rare earth, low titanium intermediate alloy. The fine rare earth ore briquettes (or lu...
48 85104559 Process for separation of metal compounds by reduction
A process for separating metal compounds, even in small percentages, from dusts and sludges, by reduction. The process may be successfully applied to the selective separation of vanadium...
49 85104327 Process for hard-burning iron ore briquets on a moving grate
For reducing the energy consumption during the process of oxidizing burning, a certain amount of carbon-containing particles is added into ore briquets, so as to make the fixed carbon co...
50 85104183 Process of drying sulfide ore by direct contact with hot drying gases
The suifide ore is dried directly through contact with hot drying tail gas obtained from the plant of contact sulfuric acid manufacture. The dried ore is heated and smelted. and the hot ...
51 85104999 Method of processing an iron-containing dust obtained in the preparation of iro...
Iron is recovered from an iron containing dust obtd. in processing iron or steel by dissolving iron and bivalent metals being present in said dust in an acid. Subsequently the iron is pr...
52 85105036 Process for preparing N-Zn complex fertilizers
Dust containing Zn and Ge or waste containing Zn as Raw material is leached by sulphuric acid, ammonium sulphate is added to sesulting leaching liquor to be isolated N-Zn complex fertili...
53 85104711 Process for low carbon ratio smelting of zinc
ABSTRACT :The present invention is churacterized in that admixture of zinc ore-carbon at low carbon ratio and given amount of dispersing, noble heavy no-ferrous metals is briquetted for ...
54 85105289 Process for removing impure element from pig iron, steel, other metals and allo...
It concerns also with speeding up the hydrometallugy. The key of this process is to controll the quantity of free oxygen and the tmep. of bathing pool.
55 85105034 Shuiko mountain method of smelt lead
Shuiko mountain method of lead smelt belongs to the smelt method of nonferrous heavy metals. After being mixed and granulated, the furnace charge of the refined ore of lead sulphide, flu...
56 85106255 Method of extract scandium from rare-earth mineral
Tis method belongs to the field of nonferrous metallurgy, its complete technology is: using rare-earth mineral to soak and extract the mother liquor of scandium; using cycloalkanes acid,...
57 85106114 Smelting process for recovering metals from non-ferrous metal oxide ores or con...
In the smelting process for recovering metals from non-ferrous metal oxide ore or concentrates and/or fine-grained non-ferrous metal sulfide ores or concentrates, specially, sulfide ores...
58 85105934 Technology and equipment of fluidized roasting by oxygen-poor reduction
A one-stage fluidized bed is used in this technology. The amount of tail gas which enters the fluidized roasting furnace is adjusted so as to control the temperature of reductive roast a...
59 85105504 Method of separating and purifying Ni and Co with solvent extraction process
This method involves the use of an organic phosphine extracting agent (Chinese code "5709") in obtaining highly purified nickel product from acidic Ni-containing raw solution, especially...
60 85106774 Technology and installation of continuous smelting of tin in a reverberatory fu...
After adding feedstock the physicochemical processes such as preheating, reducing, slag formation of gangue, and saparating the slag from tin etc. are conducted continuously in a reverbe...
61 85106670 Process for extraction of noble metal from anode mud by method of controlling p...
According to the process of the invention, first put the material into the medium HCL and NaCl, and ten NaCLO is put in above mentioned medium at 75-85 deg.C to control the redox potenti...
62 85107157 Wet process for extracting white arsenic from smoke dust containing arsenic
This invention provides one process effective for extracting high quality white arsenic from smoke dust containing arsenic and tin of baking refined ores or other in baking processes. Sa...
63 85106965 Method for recovering valuable metal content of contaminated copper raw material
At least one of said materials is sulphide bearing, and which contain one or more impurities forming the group arsenic, antimony, bismuth, mercury, tin, chlorine and other halogens. The ...
64 85106849 Process for comprehensive treating of C0-Ni alloy waste
The present invention relates to a process for separating-extracting of Co and Ni from Co-Ni alloy waste by entirely wet process, wherein the Co-Ni alloy waste is added to aqueous soluti...
65 85107124 Method for directly extracting metal Tin from low-grade Tin ore
The technology in this invention is as simple as this: mix the tin ore with 0.5~2% tin content with powdered carbon and calcium chloride. The mixture is made into balls which are put int...
66 85107123 To refine tin with brown coal
This invention is by using of brown coal as a reducing agent for processing low iron content refined tin ore in the form of pellets, which are dried and reduced directly in refractories...
67 85107153 Immersion of concentrated zinc or zinc sulfide ore under normal pressure
This invention is to prepare zinc without roasting from concentrated zinc sulfide or zinc sulfide ore, featuring by immersing directly with Fe2(SO4)3.H2SO4 under normal pressure to produ...
68 85107209 Method of chemical sepn. of low grade calcareous phosphorous ore
This invention is a continuation of "patent application No 85100187".All of the component in the low grade calc-phosphorous ore can be efficiently transfered into several products by che...
69 85107262 Process of reduction of palladium oxide into palladium
This invention refers to a process of reduction of palladium oxide to metallic palladim black thoroughly via the reaction of hydrazine hydrate and water suspension of palladium oxide und...
70 85107125 Method and device for extract lead directly from galena
This invention provides a method for putting pellets of concentrated galena powder into refactories of the reacting installation, heated with low temperatures for mutual reacting of lead...
71 85107626 Process for the pressure oxidation of acid leaching of non-ferrous metal and ir...
This invention relates to an autoclave unit which consists of a group of connecting chambers. The first chamber is much larger in size than others. The partial pressure of oxygen in the ...
72 85107358 Method for preparation polyhydroxy aluminium-chloride from coal waste rock
The present invention is characterized in that the coal waste rock is calcined and leached by chlorhydric acid. The basicity of leaching liquid is regulated by powder of the same calcine...
73 85107329 Chlorination-hydrolyzation process for making antimony white from antimony sulf...
Being characterized by using sbc15 as chlorinating agent, the process can effectively, economicaly and reasonably produce GB4062-82 No 1 or No O antimony white from antimony sulfide ore ...
74 85107356 Method and apparatus for separation of lead and bismuth in tin refinement
The present invention relates to produce refined tin and tin solder of various marks separately in a specially designed electric-heating continuous crystallizer by crystallo-liquation me...
75 85107774 Recovery of gold from refractory auriferous iron-containing sulphidic concentra...
The technology for recovery of gold from ore containing gold and iron is as follows: The ore pulp is processed with sulphuric acid solution to dissolve carbonate and other acid-consuming...
76 85107901 Recovery of gold from auriferous refractory iron-containing sulphidic ore
The technology process used to retrieve gold from ore containing sulphide is as follows: At first, the ore pulp is smashed and then preliminarily processed with sulphuric acid to dissolv...
77 85107794 Recovery of gold form refractory auriferous iron-containing sulphidic material
This process includes supplying the fresh feed material and aqueous feed pulp of oxidized solid from the follow-up pressure-oxidization process. The consistency of the feed pulp is 30-60...
78 85108571 Rotary device, apparatus and method for treating molten metal
A rotary device for dispersing a gas in molten metal comprises a hollow shaft and a hollow rotor fixedly attached to the shaft, with the character that the rotor is hollow and has a plura...
79 85108533 Processing for extracting molybdenum from tungsten by solvent
This invention is provided for improving solvent extraction to separate molybdenum from tungsten by liquid P204 (Di-2-ethyl-hexyl phosphate) as the extraction agent, which overcomes the ...
80 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...
81 85109347 Method and apparatus for the reducing treatment of molten metals and/or slags t...
According to the advice of the present invention, method for top-blowing the reduction gas stream is used to cover the surface of the molten metal beyond the blow impression by fine grain...
82 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...
83 85108811 Process for the smelting reduction of ores
The present invention employs a mixture of the finely divided ore with equally finely divided reductant, which in the case of iron ores preferably is a coal. The mixture is fed into the i...
84 85109258 Method of manufacturing tungsten perferentially orientated in the
A process of reactive deposition from a gaseous phase containing tungsten hexafluoride and hydrogen on a substrate metal at an overall pressure of 10 to 10000 Pa (low-pressure CVD method)...
85 85109691 New energy-saving and nonpolluting process for antimony-smelting
According to this method, antimony sulphide is placed in a fire-resistant pot to react at a certain temperature. Antimony metal is produced directely. SO2 released during the reaction is...
86 86100283 Method and equipment for recovering silver from developing liquor of movie film
Air floatation is used in the method of this invention. Small bubbles are formed when air passes through air diffuser board, and floatation agent is used and adsorbed on the surface of b...
87 86100031 Processing of calcium-contg. tungstenic ore
The process of this invention includes addition of phosphate or phosphoric acid to the sodium hydroxide leach solution, so that, at the same time as wolframite is leached out by sodium h...
88 86101034 Process of high temp. chlorizing calcination for lean tin complex feedstock
The said process of chlorizing calcination treats multi-metallic lean tin complex feedstock to undergo high temp. reduction in rotary kiln. First, chlorizing agent and reduction agent ar...
89 86100297 Antimong ore treatment and the equipment
This process is especially suitable for the treatment of oxygen-sulfur mingled ore containing more than 10% of antimony and 1-20% of sulfur, and is characterized by simple equipment, goo...
90 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 ...
91 86102344 Method for producing rare earth alloy
A rare earth alloy for producing permanent magnet comprised of: 15-65 atomic
92 86100416 Apparatus for the pyrometallurgical processing of fine-grained solids to make m...
An apparatus is described which serves for a pyrometallurgical processing of fine-grained solids suspended in high-oxygen gases, comprising a generally horizontally extending cylindrical ...
93 86101940 Gold recovered by the method of floatation and absorption
In this invention coke is used as the adsorbent for absorbing gold in the gold-containing waste residue and waste fluid, forming a gold-bearing coke. By means of floatation process, the ...
94 86101938 Preparation of stannic oxide from medium grade tin ore by liquid phasing oxidiz...
This invention concerns a process of using medium grade tin ore as raw material for making stannic oxide by a chemical metallurgical process. According to the present invention, the proc...
95 86102633 Process and apparatus for purifying lithium
The invention relates to a process for purifying lithium. The molten lithium is then maintained at a temperature of 400 DEG to 700 DEG C under a pressure of less than 10 Pascal while agit...
96 86102411 Method for extracting gold and silver directly from gold concentrates
This invention presents a technology of grinding gold-concentrates in wet ball grinder so as to increase gold-particle size to platelet and to reduce the size of waste ore to fine powder...
97 86103797 Condensation of zinc vapour
The present invention relates to a method and means for condensing zinc vapour out of a gas. A substantially coherent curtain of cooling metal is generated, towards which the gas containi...
98 86101311 Technology for extracting rubidium and caesium from magmatic rock or weathering...
The main technology is that the solution of ammonium sulphate or sodium chroide is used to extract mother liquor of rare-earth elements, scandium, rubidium and caesium. In extraction of ...
99 86103750 Wet process for extracting metallic compound from multi-metal refractory parage...
The acid leaching carbonization for separating lead, tin and iron and mfg. industrial chemicals uses diluted nitric acid as solvent and leaches refractory mutualism ore with low-tin, hig...
100 86103403 New process of extracting rare earth metal from rare earth ore
This invention relates to a wet metallurgy technology. It is characterized in the fractionation of raw rare earth ore with the first mechanical sorter and then the obtained ore is transf...
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