| 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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| 03/14/2000 | US6036745 Receptacle for containing molten metal and diversion with circular flow with immersion |
| 03/08/2000 | CN1246895A Method for treating material containing metal and organic matter, including metal separation |
| 03/08/2000 | CN1246810A Metal recovery from salt cake and other compositions |
| 03/07/2000 | US6033467 Method of making cement or mine backfill from base metal smelter slag |
| 03/01/2000 | EP0982407A1 Process for melting inorganic substances |
| 02/29/2000 | US6030433 Method for extracting metals from metal-containing materials by pyrohydrolysis |
| 02/29/2000 | US6030430 Blast furnace with narrowed top section and method of using |
| 02/24/2000 | WO2000009771A1 Liquid carton waste material recycling process and apparatus for recycling liquid carton waste material |
| 02/24/2000 | WO2000009770A1 Process and apparatus for recovering metal material from waste material |
| 02/24/2000 | WO2000009766A1 Method for the thermal processing of residues containing heavy metals and iron oxide |
| 02/24/2000 | CA2339851A1 Liquid carton waste material recycling process and apparatus for recycling liquid carton waste material |
| 02/24/2000 | CA2336964A1 Method for the thermal processing of residues containing heavy metals and iron oxide |
| 02/23/2000 | EP0843741B1 Method for upgrading waste material comprising sheet metal with a zinc plating on at least one side thereof |
| 02/16/2000 | EP0979314A1 Process and device for recovering raw materials from waste and residues |
| 02/09/2000 | EP0894151B1 Recovery of metal from dross |
| 02/08/2000 | US6022406 Processing foundry dust, and in particular dust from electrical steelworks, preparing zinc ferrite |
| 02/08/2000 | US6022396 Process for treatment of residues which arise in industrial processes and in waste incineration |
| 02/03/2000 | WO2000005424A1 Method for producing zinc using the is process in an is shaft furnace and corresponding is shaft furnace |
| 02/03/2000 | WO2000005421A1 Blast furnace with narrowed top section and method of using |
| 02/03/2000 | DE19833419A1 Processing crushed aluminum-containing residual material used in the secondary aluminum industry comprises adding a carbon support to the material, mixing and converting to oxide ceramic |
| 02/03/2000 | DE19823104C1 Recovering copper foil from scrapped printed circuit boards using molten tin bath in treating furnace |
| 02/02/2000 | EP0976843A1 Treatment of steel plant waste metal oxides by firing the same in the form of coke containing briquettes |
| 02/02/2000 | EP0975816A1 Method for recycling brass foundry waste |
| 02/02/2000 | CN1243167A Method for extracting zinc from zinc-contained waste residue and apparatus thereof |
| 02/02/2000 | CN1049013C Solder recovery |
| 01/27/2000 | DE19841980A1 Imperial smelting shaft furnace installation for zinc production is operated by blowing a finely granulated powder mixture of a carbon carrier and a powder containing zinc into a bottom region of the furnace |
| 01/26/2000 | EP0973953A1 Process and device for precipitating compounds from zinc metal baths by means of a hollow rotary body that can be driven about an axis and is dipped into the molten zinc |
| 01/26/2000 | EP0865508B1 Treatment of waste products that contain organic substances |
| 01/25/2000 | CA2126188C Method for continuously melting down scrap metal |
| 01/19/2000 | EP0972849A1 Method and apparatus for treating ironmaking dust |
| 01/19/2000 | EP0972088A1 Process for treating a material containing metal and organic matter, including metal separation |
| 01/19/2000 | EP0972001A1 Separation of heavy metals and materials for use in this |
| 01/19/2000 | CN1048527C Process for extracing polymerized ferro-aluminium from self-burned coal gangue |
| 01/13/2000 | DE19830108A1 Waste material briquette used as charge material for iron foundry melting furnaces or blast furnaces |
| 01/12/2000 | EP0970258A1 Polymeric combinations used as copper and precious metal heap leaching agglomeration aids |
| 01/12/2000 | CN1240832A Process for preparing manganese salt from waste residue of hydroquinone |
| 01/12/2000 | CN1048289C Method for integrated recovery of gold, silver, Pb and Sn as valuabele metals from chloride slag |
| 01/11/2000 | CA2167334C Thermal stabilization of steelmaking slag |
| 01/05/2000 | EP0968313A1 Method of producing an agglomerate |
| 01/04/2000 | US6010553 Process for producing pig iron, nonferrous heavy metal alloys, FECR and synthetic blast furnace slags using metal-oxide-containing waste incineration residues or slags |
| 12/29/1999 | EP0966325A1 Method for enriching silver or other precious metals by flotation from a suspension, for example from zinc-leaching residues |
| 12/28/1999 | US6007599 Method for re-utilizing scrap steels |
| 12/23/1999 | WO1999066084A1 Process for separation of heavy metals from residues by use of ethylene-diamine-disuccinic acid (edds) complexant |
| 12/23/1999 | WO1999056867A3 Integrated fixation systems |
| 12/23/1999 | CA2332050A1 Process for separation of heavy metals from residues by use of ethylene-diamine-disuccinic acid (edds) complexant |
| 12/22/1999 | EP0965651A2 Pyrometallurgical processing of metal and organics containing waste in a smelt chamber |
| 12/22/1999 | EP0828858B1 Metal waste processing facility |
| 12/22/1999 | CN2354970Y Apparatus for recovering zinc from dregs |
| 12/22/1999 | CN1239516A Steel slag and ferriferous material reprodcessing process useful to produce pig iron and environmentally compatible slags |
| 12/22/1999 | CN1047632C Method of producing amorphous metal alloy |
| 12/16/1999 | WO1999041417B1 Method for producing high-purity molybdenum chemicals from molybdenum sulfides |
| 12/15/1999 | EP0963451A1 Ferric fluoborate/organic extractant hydrometallurgical process for recovering metals |
| 12/15/1999 | CA2274188A1 Process for pyrometallurgical processing, in a furnace chamber, of metal-containing waste |
| 12/14/1999 | US6001763 Feeding waste catalyst into pyrometallurgical reaction zone to produce alloy of manganese, cobalt and carbon, liberating off-gases including carbon monoxide, hydrogen, and bromine, forming powder, digesting with acetic acid to form acetates |
| 12/14/1999 | US6001316 Method for treatment of waste material and recovering MgCl2 |
| 12/14/1999 | US6001148 Process for obtaining metal from metal oxide |
| 12/08/1999 | CN1237920A Production of aromatic carboxylic acids and recovery of Co/Mn cattalyst from ash |
| 12/08/1999 | CN1237643A Recovering method of valuable composition from rare earth element-containing material and alloy powder obtained therefrom |
| 12/07/1999 | US5998689 Method for recycling contaminated metal parts |
| 12/07/1999 | US5997801 Metal chip reclamation system |
| 12/07/1999 | US5997718 Recycling of CdTe photovoltaic waste |
| 12/07/1999 | US5997606 Production of titanium slag |
| 12/07/1999 | US5997291 Hot-melt material for heating plate |
| 12/02/1999 | WO1999061186A1 Method for re-manufacturing a cobalt/manganese/bromine catalyst from residue containing used catalyst |
| 12/01/1999 | EP0960952A1 Method for the recycling of iron oxide containing residues from steel-making processes by means of briquetting |
| 12/01/1999 | EP0773301B1 Hydrometallurgical treatment for the purification of waelz oxides through lixiviation with sodium carbonate |
| 12/01/1999 | CN1237223A Placer gold mining method, placer gold mining boat used in this method, placer gold digging and separating method and system therefor, and placer gold separating method and system therefor |
| 11/30/1999 | US5994610 Method of suppressing thermite reactions in plasma arc waste destruction system |
| 11/30/1999 | US5993756 By the oxidation of hard metal scrap and/or heavy metal scrap in a molten salt mixture of hydroxide |
| 11/30/1999 | US5993512 The molten salts dissolve into the water. the metal oxides, and any metal entrapped in the molten mixture, instantly fragment into small particles. brine can be separated from the small particles. |
| 11/30/1999 | US5993510 Process for working up combustion residues |
| 11/30/1999 | US5992776 Process for processing ash |
| 11/25/1999 | WO1999060580A1 FEEDSTOCK POWDER FOR R-Fe-B MAGNET AND PROCESS FOR PRODUCING R-Fe-B MAGNET |
| 11/25/1999 | WO1999060320A2 Coke-heated circulating gas cupola furnace for material and/or energetic recycling of waste materials having different compositions |
| 11/25/1999 | WO1999060177A1 Method for continuous separation of impurities and alloyings from liquid metal baths and device for implementing said method |
| 11/25/1999 | WO1999060176A1 Method for processing residues containing at least one non-ferrous metal and/or compounds thereof |
| 11/25/1999 | WO1999060172A1 Continous metal melting process and apparatus |
| 11/25/1999 | DE19922144A1 Valuable composition recovered from a rare earth element-containing material especially a sintered magnet or sputter target material |
| 11/25/1999 | CA2332108A1 Continous melting process and apparatus |
| 11/25/1999 | CA2296412A1 Coke-heated circulating gas cupola furnace for material and/or energetic recycling of waste materials having different compositions |
| 11/24/1999 | EP0958385A1 Method of agglomerating oil-containing steel mill waste |
| 11/24/1999 | EP0842305B1 Process for treating filter ashes arising from waste treatment |
| 11/24/1999 | CN1236023A Method for producing nickel and iron compound by using waste corrosive liquid containing nickel and iron chloride series |
| 11/24/1999 | CN1236016A Recovering and regenerating treating process for waste hard alloy |
| 11/23/1999 | US5989486 Apparatus for removal of the mercury from granulated materials |
| 11/18/1999 | WO1999058732A1 Process to recover molybdenum and vanadium metals from spent catalyst by alkaline leaching |
| 11/18/1999 | WO1999058260A1 Treating apparatus, treating method and method of treating soil |
| 11/18/1999 | WO1999043615A9 Recovery of products from non-metallic products derived from aluminum dross |
| 11/17/1999 | EP0956166A2 Lightweight compact waste treatment furnace |
| 11/15/1999 | CA2235424A1 Process for the preparation of a magnesium chloride solution by quick lixiviation of asbestos tailings |
| 11/11/1999 | WO1999056867A2 Integrated fixation systems |
| 11/10/1999 | EP0954616A1 Method and device for separating metals and/or metal alloys of different melting points |
| 11/09/1999 | US5980841 Method for recovering reusable elements from rare earth-nickel alloy |
| 11/09/1999 | US5980817 Relating to press heads and dross pressing apparatus |
| 11/09/1999 | US5980725 Method for upgrading waste material comprising sheet metal with a zinc plating on at least one side thereof |
| 11/09/1999 | US5979033 Method of recycling waste printed circuit boards |
| 11/03/1999 | CN1046141C Aluminum electrolytic flue dust, dirty material, adsorbing asphalt and aluminium oxide boiling- bed roasting equipment |
| 11/02/1999 | US5976219 Method and apparatus for recycling of scrap metal |
| 10/27/1999 | EP0951571A1 Fluid extraction of metals or metalloids |
| 10/27/1999 | EP0846187B1 Recovery of elements involving a chemical processing step |