119497 ⎘
Obtaining refractory metals; Obtaining chromium, molybdenum or tungsten Obtaining chromium
Sub-classes:SYSTEM FOR PROCESSING RED MUD AND METHOD OF PROCESSING RED MUD
#2APPARATUS AND METHOD FOR SEPARATION OF METAL-BEARING PHASES USING ELECTRODIALYSIS
#3TREATMENT SYSTEM FOR REMOVING IRON-ALUMINUM-CHROMIUM REACTION PRODUCTS IN LEACHING SOLUTION OF LATERITE NICKEL ORE
#4Process for Transition Metal Oxide Reduction
#5METHOD FOR RECOVERING IRON AND VALUABLE METALS FROM ELECTRIC ARC FURNACE DUST
#6SYSTEMS AND METHODS FOR GENERATING HYDROGEN AND MAGNETITE FROM ROCK
#7Process for transition metal oxide reduction
#8METHOD FOR PRODUCING FERRONICKEL AND REMOVING CHROMIUM FROM NICKEL LATERITE ORE
#9Systems and methods for generating hydrogen and magnetite from rock
#10CIRCULAR CARBON PROCESS
#11SYSTEMS AND METHODS FOR GENERATING HYDROGEN AND MAGNETITE FROM ROCK
#12Method for co-extraction of vanadium, titanium and chromium from vanadium slag
#13METHOD FOR RECOVERING CHROMIUM CONTAINED IN A BATH FOR PICKLING METALLIC MATERIALS AND FACILITY FOR IMPLEMENTING SAME
#14SYSTEM FOR PROCESSING RED MUD AND METHOD OF PROCESSING RED MUD
#15Method for detoxifying chromium slag by using high sulfur coal
#16Treatment method for resource recycling of hexavalent chromium-containing residues
#17Detoxification treatment method for extracting and recycling chromium from hexavalent chromium-containing residues
#18Method of direct reduction of chromite with cryolite additive
#19Processes for producing low nitrogen metallic chromium and chromium-containing alloys and the resulting products
#20Method of preparation and application of ion-keeper adsorbent
#21METHOD FOR REDUCING HEXAVALENT CHROMIUM IN OXIDIC SOLIDS
#22Process for recycling chromium from waste water containing hexavalent chromium
#23PROCESSES FOR PRODUCING LOW NITROGEN METALLIC CHROMIUM AND CHROMIUM-CONTAINING ALLOYS AND THE RESULTING PRODUCTS
#24Recovering chrome from a tannery process
#25Processes for producing low nitrogen essentially nitride-free chromium and chromium plus niobium-containing nickel-based alloys and the resulting chromium and nickel-based alloys
#26Scandium recovery method
#27Treatment of titanium ores
#28Processes for producing low nitrogen essentially nitride-free chromium and chromium plus niobium-containing nickel-based alloys and the resulting chromium and nickel-based alloys
#29Processes for producing low nitrogen metallic chromium and chromium-containing alloys and the resulting products
#30PRODUCTION OF HIGH-GRADE SYNTHETIC RUTILE FROM LOW-GRADE TITANIUM-BEARING ORES
#31Coating for metal cellular structure and method therefor
#32METHOD FOR PROCESSING ORGANIC PHASE SUBSTANCE BY USING HALOGEN-CONTAINING CHECICAL OR CHEMICALS AND/OR MIXTURE CONTAINING OXYGEN-CONTAINING OXIDIZER OR OXIDIZERS AND ORGANIC CARBONYL ANALOGUE OR ANALOGUES, AND/OR METHOD FOR EXTRACTING OR DEPOSITING HEAVY ELEMENT SPECIES AND/OR ORGANIC COMPONENTS OF ASPHALTENE AND/OR INORGANIC SUBSTANCE FROM THE ORGANIC PHASE SUBSTANCE BY USING HALOGEN-CONTAINING CHEMICAL OR CHEMICALS AND/OR MIXTURE CONTAINING OXYGEN-CONTAINING OXIDIZER OR OXIDIZERS AND ORGANIC CARBONYL ANALOGUE OR ANALOGUES, AND PLANT USING FOR THE METHOD, AND ORGANIC PHASE SUBSTANCE
#33Method and apparatus for high temperature production of metals
#34Methods and systems for producing ferro-chrome in a duplex furnace
#35Hydrothermal oxidation method for production of alkali metal dichromate from carbon ferrochrome
#36Methods and systems for reducing chromium containing raw material
#37Fly Ash and Fly Ash Leachate Treatment
#38METHOD AND APPARATUS FOR LEACHING METAL FROM MINING ORE
#39Method and apparatus for high temperature production of metals
#40PROCESS FOR RECOVERING METALS AND METAL COMPOUNDS FROM MINED ORE AND OTHER METAL-BEARING RAW SOURCE MATERIALS
#41Treatment of titanium ores
#42Method and apparatus for leaching metal from mining ore
#43Process and plant for converting hazardous waste containing chromium VI into non-hazardous waste
#44Process and plant for converting hazardous waste containing chromium VI into non-hazardous waste
#45Process for chlorinating resources containing recoverable metals
#46Methods of Treatment of Chromite Ore Processing Residue
#47Process for recovering metals and metal compounds from mined ore and other metal-bearing raw source materials
#48Process for recovering platinum group metals from ores and concentrates
#49Methods for the preparation and purification of electrolytes for redox flow batteries
#50PROCESS FOR SOLUBILIZING, REDUCING AND FIXING HEXAVALENT CHROMIUM CONTAINED IN CHROMITE ORE PROCESSING RESIDUE INTO TRIVALENT CHROMIUM
#51Methods of treatment of chromite ore processing residue
#52Method for reducing chromium containing raw material
#53Process for recovering platinum group metals using reductants
#54Process and plant for converting hazardous waste containing chromium VI into non-hazardous waste
#55SYSTEM FOR SEPARATING AND EXTRACTING HEAVY METALS FROM POLLUTED LIQUID WASTE
#56METHOD FOR REDUCING TO METALLIC CHROMIUM THE CHROMIUM OXIDE IN SLAG FROM STAINLESS STEEL PROCESSING
#57Processes for treatment of solid wastes containing heavy metals
#58Method of extracting hexavalent chromium
#59Method for reducing Cr in metallurgical slags containing Cr
#60Methods of treatment of chromite ore processing residue
#61Process for recovering platinum group metals from ores and concentrates
#62Method of treatment, stabilization and heave control for chromite ore processing residues (COPR) and chromium contaminated soils
#63Method for recovering metallic elements, especially metallic chromium, from slag containing metal oxides in an electric-arc furnace
#64Direct production of refined metals and alloys
#65Method for increasing the chrome to iron ratio of chromites products
#66Method for reducing chromium containing raw material
#67Chromium-containing metal and manufacturing method thereof
#68Method for production of metallic elements of high purity such as chromes
#69Reductive method for production of metallic elements such as chrome using a crucible with a perforated wall