| Patents for C22B 7 - Working-up raw materials other than ores, e.g. scrap, to produce non-ferrous metals or compounds thereof (11,341) |
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| 10/19/1995 | WO1995027555A2 Process for purifying waste furnace gases and for using the resultant filter dust |
| 10/18/1995 | CN1110196A Treatment technology of leached residue for alkaline hydrolysis of chromium |
| 10/12/1995 | WO1995027086A1 Method for treatment of residues from organochlorosilane and/or chlorosilansynthesis |
| 10/11/1995 | EP0676478A1 Process for producing an iron melt |
| 10/10/1995 | US5456738 Applying liquid nitrogen directly to the surface of substrate contining gold to freeze, a vibration is then instituted by hydraulic hammers to loosen the gold from substrate, particles or flakes of gold are collected by vacuuming |
| 10/10/1995 | CA1337242C Process for the detoxification of steel plant wastes |
| 10/03/1995 | US5454853 Method for the production of steel |
| 09/28/1995 | WO1995025823A1 Solder recovery |
| 09/28/1995 | WO1995025595A1 Method and device for treating composite elements |
| 09/28/1995 | DE4421360A1 Grinding and classification of scrap composite materials |
| 09/28/1995 | DE19509808A1 Separating and recovering the components of composites |
| 09/27/1995 | EP0673670A1 Method of processing and recovering metalliferous deposits resulting from the purification of gases during the thermal treatment of wastes |
| 09/26/1995 | US5453253 Reacting with concentrate of zinc sulfide in dilute sulfuric acid; suspending, flashing, separation, leaching, and electrolysis |
| 09/26/1995 | US5453111 Method for separation of metals from waste stream |
| 09/26/1995 | US5453103 Compression, clean burning fuel |
| 09/20/1995 | EP0672881A1 Melting furnace having preheating vessel |
| 09/19/1995 | US5451382 Process and plant for removing lead, cadmium and zinc from dusts |
| 09/13/1995 | EP0671477A1 Process for treating metallurgical by-products |
| 09/13/1995 | CN1108310A Method for recovering germanium from boiler tail gas |
| 09/06/1995 | EP0670188A1 Process for the simultaneous melting of powdery materials and lump slags from refuse incinerating installations |
| 09/06/1995 | CN1029691C Technology for processing zinc oxide from zinc-contg. flue dust |
| 09/05/1995 | US5447548 Process for recovery of free aluminum from aluminum dross or aluminum scrap using plasma energy with oxygen second stage treatment |
| 08/31/1995 | WO1995023239A1 Method and apparatus for recovery of non-ferrous metals from scrap and dross |
| 08/31/1995 | WO1995023238A1 Low cost titanium production |
| 08/24/1995 | WO1995022418A1 Process for the treatment of contaminated land |
| 08/24/1995 | CA2183584A1 Process for the treatment of contaminated land |
| 08/24/1995 | CA2116249A1 Method and apparatus for recovery of non-ferrous metals from scrap and dross |
| 08/23/1995 | EP0540562B1 Decontamination and/or surface treatments of aluminium and alloys thereof |
| 08/23/1995 | EP0515498B1 Cotreatment of sewage and steelworks wastes |
| 08/23/1995 | CN1107184A Method for recovering zinc from zinc containing dust background of the invention |
| 08/22/1995 | US5443622 Hydrometallurgical processing of impurity streams generated during the pyrometallurgy of copper |
| 08/15/1995 | US5441556 Metal processing or recovery and apparatus |
| 08/15/1995 | US5441205 Apparatus for water-granulating slag |
| 08/15/1995 | CA2115603A1 Dross processing apparatus |
| 08/10/1995 | DE19500962A1 Method and appts. for high-temperature treatment of fine-grained solids in a melting cyclone |
| 08/09/1995 | EP0666327A1 Waste gas duct for a flue dust melting furnace |
| 08/09/1995 | EP0666108A1 Process for recovering and re-using cobalt and tungsten from reaction liquors |
| 08/08/1995 | US5439505 Treatment of steel mill waste for recycling |
| 08/08/1995 | US5439498 Plasma arc furnace unit having plasma arc torch that converts battery casings into combustible gas, volatilizes lead contaminatns and vitrifyes the soil |
| 08/08/1995 | CA2141892A1 Process for recovering and re-using cobalt and tungsten from reaction liquors |
| 08/02/1995 | CN1106069A Method for recovering aluminium grains by combustion to carbonify aluminium foil slip sheet |
| 08/01/1995 | US5437705 Placing scrap in inert atmosphere in furnace with oxygen getter, heating in stages to vaporize water, other substances, cadmium, condensing cadmium in connected chamber, recovering nickel from furnace |
| 07/27/1995 | WO1995020022A1 Utilizing discarded carbon |
| 07/27/1995 | CA2179885A1 Utilizing discarded carbon |
| 07/26/1995 | CN1029374C Method for smelting chromium steel and its alloy by using metal oxide in argon-oxygen furnace dust |
| 07/25/1995 | US5435835 Method and system for removing and/or causing recycling of materials |
| 07/20/1995 | WO1995019454A1 Method for recycling aluminum alloy product scraps for automobile |
| 07/20/1995 | DE4401243A1 Electrochemical metal extn. from electronic scrap |
| 07/19/1995 | CN1105392A Method for extracting metallic element from soot or slag |
| 07/13/1995 | WO1995018940A1 Method and apparatus for combustion of steel plant wastes |
| 07/13/1995 | WO1995018872A1 Method of processing aluminium waste |
| 07/13/1995 | WO1995018871A1 Method and system for removing and/or causing recycling of materials |
| 07/13/1995 | WO1995018870A1 Method of recovering platinum metals and an apparatus therefor |
| 07/12/1995 | EP0662159A1 Electrorefined aluminium with low uranium, thorium and rare earth content. |
| 07/12/1995 | EP0648255A4 Treatment of waste. |
| 07/12/1995 | EP0448724B1 Melting apparatus of cutting scrap |
| 07/11/1995 | US5431892 Process for recovering valuable metal from waste catalyst |
| 07/11/1995 | US5431713 Sulfates and chlorides, leaching, precipitation |
| 07/06/1995 | WO1995017981A1 Method and furnace for treatment of ash |
| 07/06/1995 | CA2178835A1 Method and furnace for treatment of ash |
| 07/05/1995 | EP0661507A1 Process and apparatus for eliminating heavy metals and heavy metal containing compounds |
| 07/04/1995 | US5429661 Method of recovering lead from recycable lead-containing raw material |
| 07/04/1995 | CA1336134C Recovery of non-ferrous metals from dross |
| 06/28/1995 | CN1029132C Technology for treatment of antimony noble lead by use of pyrometallurgical method |
| 06/27/1995 | US5427607 Process for the recovery of metallic iron from slags and other residues |
| 06/22/1995 | WO1995016636A1 Recovery of spent catalyst |
| 06/22/1995 | WO1995016635A1 Recovery of spent catalyst |
| 06/21/1995 | EP0658216A1 Charging metal solids into molten metal. |
| 06/14/1995 | EP0657552A1 Method for recovering zinc from zinc containing dust |
| 06/14/1995 | EP0657549A1 Process for producing an iron melt |
| 06/14/1995 | EP0657230A1 Process and system for the on-site remediation of lead-contaminated soil and waste battery casings |
| 06/11/1995 | CA2137766A1 Process for producing an iron melt |
| 06/08/1995 | WO1995015404A1 Process for combined decoating and melting of aluminum scrap contaminated with organics |
| 06/08/1995 | CA2137419A1 Process and device for removing heavy metals and compounds containing heavy metals |
| 06/07/1995 | EP0558510B1 Slag processing in a rotary arc furnace |
| 06/07/1995 | CN1103484A Apparatus for water-granulating slag |
| 06/06/1995 | US5421850 Method and apparatus for recovery of non-ferrous metals from dross |
| 06/06/1995 | US5421526 Delamination by treating waste with organic acid to separate plastic, and metal layers; reuse |
| 05/31/1995 | CN1103232A Reactor and method for the treatment of particulate matter by electrical discharge |
| 05/30/1995 | US5419882 Adsorption by manganese dioxide sludge |
| 05/24/1995 | EP0654538A1 Method for working up zinc-, lead- and iron oxide-bearing material by the rotary-kiln volatilising process |
| 05/23/1995 | US5417738 Method for recovering metals included in the slag generated from steel making process |
| 05/18/1995 | DE4331156C1 Electroplating sludge use in mfr. of additives for metal casting industries |
| 05/17/1995 | EP0653252A1 Process and system for the remediation of soil containing waste material |
| 05/17/1995 | EP0652978A1 Novel method for recovering metals from materials containing refractory and/or transition metals |
| 05/16/1995 | US5415849 Process for dissolving used catalyst |
| 05/11/1995 | DE4338228A1 Cyclic process for reprocessing metal-containing residues |
| 05/09/1995 | US5413621 Steel production, absorption, heating to decompose toxic materials |
| 05/03/1995 | EP0651064A1 A device and process for the pretreatement of electronic scrap |
| 05/03/1995 | EP0651063A1 Improvements in or relating to the recovery of silver |
| 05/03/1995 | EP0650384A1 Treatment of polyvinylchloride. |
| 05/02/1995 | US5411572 Method for utilizing smelter waste containing zinc and other valuable metals |
| 04/29/1995 | CA2134585A1 Recovery of silver |
| 04/26/1995 | EP0649912A1 Method for collecting valuable metal from nickel-hydrogen secondary cell |
| 04/26/1995 | CN1101947A Method for recovering Fe-and V-slag from molten Fe containing V |
| 04/26/1995 | CN1028300C Method for extracting V2O5 by treating vanadium residue |
| 04/25/1995 | US5410566 Method of producing metal melts and an electric arc furnace therefor |
| 04/25/1995 | US5409679 Eliminating sulfur dioxide by-product from roasting the titanium dioxide hydrate by washing the dry gas with filtrate to form sulphuric acid, circulating, reuse |
| 04/25/1995 | CA1335331C Non-ferrous metal recovery from metallurgical slag |
| 04/20/1995 | WO1995010636A1 Recovery of palladium catalyst |