chromite mining patent

Chromite

2016-1-1 · Chromite (Cr) occurs exclusively in mafic and ultramafic igneous rocks (Papp and Lipin, 2006).Although some Cr-based minerals such as crocoite (PbCrO 4), vauquelinite (Pb 2 Cu[CrO 4][PO 4]), uvarovite (Ca 3 Cr 2 [SiO 4] 3), and merumite (4(Cr,Al) 2 O 3 ·3H 2 O) are well known, chromite (FeCr 2 O 4) is the only one that is a commercially recoverable source of Cr …

metallurgical processing of chromite ore

Equipment and methodology of testwork at mintek804 Кб. Mintek has developed and patented the smelting of chromite ores in DC electric open-arc furnaces; principally for the processing of ore fines of sizes less than 1 mmUsing the data collected over a series of DC arc furnace campaigns, the metallurgical control of the alloy composition is discussed.

Process for extracting chromium from chromium ores ...

Process of extracting chromium from a chromium ore or concentrate by oxidation, which comprises suspending the chromium ore or concentrate in a bath of molten salts and introducing an oxygen-containing gas into the suspension in a sufficient amount and for a sufficient amount of time to oxidize chromium therein.

Process for chromite

Process for chromite Products. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including, Process for chromite, quarry, aggregate, and different kinds of minerals.

US Patent for Method and system for producing low …

2019-6-27 · A method and system for recovering a high yield of low carbon ferrochrome from chromite and low carbon ferrochrome produced by the method. A stoichiometric mixture of feed materials including scrap aluminum granules, lime, silica sand, and chromite ore are provided into a plasma arc furnace. The scrap aluminum granules are produced from used aluminum …

G.R. No. 49143 August 21, 1989

Records show that petitioner Zambales Chromite filed its patent application over its 60 mining claims on June 14, 1977 and to order such disposal of said "application on its own merit" is not within the scope of the jurisdiction of the Court.

KWG Resources Inc. | (KWG: CSE) | Ring of Fire News ...

Method of concentration of magnesia chromite ore

Missouri University of Science and Technology Scholars'' …

2021-8-19 · V. Richards and S. C. Singhal, "Method of Making Highly Sinterable Lanthanum Chromite Powder," U.S. Patents, Jan 1992. This Patent is brought to you for free and open access by Scholars'' Mine. It has been accepted for inclusion in Materials Science and Engineering Faculty Research & Creative Works by an authorized administrator of Scholars'' Mine.

Mining of Chrome and Production of Ferrochrome in …

2017-1-25 · LONDON, Jan. 24, 2017 /PRNewswire/ -- The Mining of Chrome and Production of Ferrochrome: South Africa''s chromite mines are operated by a number of smaller companies that focus on the production ...

Kemi

In the 1950s, Finland''s Outokumpu started nickel production with a view to making stainless steel; open-pit chromite mining began at Kemi in 1966 and ferrochrome production in 1967 at nearby Tornio, which is located at the far northern end of …

Chromite Deposits

Chromite. Chromium from ores of chromite is used to make essential stainless steel, tool steel, armor-piercing projectiles, and is used in other high-temperature applications. It is a strategic metal to the USA, because since 1961, the U.S has been 100 percent dependent upon other nations for chromium.

US Patent for Method of direct reduction of chromite with ...

2017-10-20 · A method of chromite reduction using cryolite (Na3AlF6) as an additive. The cryolite used may be pure cryolite or an impure mixture containing cryolite, such as the bath material produced as waste or as a by-product of aluminum smelting processes. In one embodiment, the reduction product is re-melted at a higher temperature to form larger metallic particles.

KWG Resources Inc. | (KWG: CSE) | natural gas chromite ...

The method will also be improved by the further research work recently completed under the Chromite Research Project of Natural Resources Canada''s CANMET Mining laboratories. The award of this Patent will enable us to now vigorously pursue an opportunity to further develop the process with pilot plant testing in one of the strategic locales ...

Mindanao Chromite Chromium Mine In The Philippines | …

Mine Overview. The Mindanao Chromite Chromium Mine is in The Philippines. Production output of the Mindanao Chromite Chromium Mine was considered to be small size. The ore mined is composed of chromite, asbestos and magnesite. The host rock in this area is serpentinite. Site identification and general characteristics. Learn about USGS mines.

CN103045859B

The invention provides a kind of chromite fine ore sintering processing method produced for stainless steel, chromite powder is mainly carried out granulation sintering by the method after laterite, because the wettability of laterite and water is good, in pelletization, laterite just can adhere to as forming core particle and chromite fine ore mutually grows up, granulate …

CA2919974A1

The present invention relates to a process for the partial oxidation of unagglomerated chromite ore and to the use of the claimed process in currently applied ferrochromium production processes. According to a first aspect thereof, the present invention provides a process for the partial oxidation of chromite. The said process includes the steps consisting of: (i) providing a …

KWG Resources Inc. | (KWG: CSE) | Legal Proceedings

KWG is an exploration stage company that is participating in the discovery, delineation and development of chromite deposits in the James Bay Lowlands of Northern Ontario, including 1,024 hectares covered by four unpatented mining claims (Fancamp Claims) approximately 280km north of Nakina, Ontario, which contains the Black Horse chromite deposit (the "Koper …

Method of concentration of magnesia chromite ore

The disadvantage of this method is the inability to control the Rel shall provide Cr 2 About 3 /FeO in grains of chromite, the impossibility of extracting impurity oxides of Nickel and cobalt. Known combined method for processing an integrated iron ore, chromium, Nickel and cobalt [Japan patent No. 2522, CL 9CQ, Appl. 19.06.1963, publ. 15.04.1964].

US4295881A

A process for treating chromite-bearing ores to obtain useful mineral values, especially platinum group metal, therefrom wherein the ore is separated into magnetic and non-magnetic fractions; the non-magnetic fraction, containing a substantial portion of the platinum group metals, is concentrated and smelted to produce a metal layer containing platinum group metals; and the …

Chromite

Chromite (Cr) occurs exclusively in mafic and ultramafic igneous rocks (Papp and Lipin, 2006).Although some Cr-based minerals such as crocoite (PbCrO 4), vauquelinite (Pb 2 Cu[CrO 4][PO 4]), uvarovite (Ca 3 Cr 2 [SiO 4] 3), and merumite (4(Cr,Al) 2 O 3 ·3H 2 O) are well known, chromite (FeCr 2 O 4) is the only one that is a commercially recoverable source of Cr (Sueker, …

Chromite (Cr2FeO4) | CrFeO4

A wide variety of mining technology is applied to the surface and subsurface mining of chromite ore. Most ore comes from large mechanized mines. However, small labor-intensive mining operations contribute to world supply. Recovery includes surface and underground mining …

Novel approach for enriching nickel content in lean ...

1996-5-1 · In this paper, a process for enriching the nickel content of the lateritic nickel-bearing chromite overburden, normally a waste material generated during chromite mining, is described. In this flotation process, a nickel preconcentrate containing >1.1% Ni was obtained from material containing as little as 0.36% nickel.

chromite mining washer

chromite ore sand washer price icsfalconeborsellino . Chromite Sand LKAB Minerals washing Eye contact: Make sure to remove any contact lenses from the eyes, 61 Personal precautions, protective equipment and emergency procedur, Chromite Ore Price Alibaba Tags: Chromite Ore Shaking Table chromite ore drum scrubbber for chromite washing plant, chromite ore mining …

CHROMIUM: KWG Acquires of Chromium …

2015-6-30 · TORONTO - KWG Resources Inc. has now acquired one hundred percent of the ownership rights in two United States provisional patent applications relating to the production of chromium iron alloys directly from chromite ore, and the production of low carbon chromium iron alloys directly from chromite concentrates (the "Chromium IP") announced on April 21, 2014.

Chromite-Manufacturing Technology, Applications, Patent ...

2020-4-10 · Chromite mining in India started around 1903 there was no ferro-chrome production in the country till 1968. Hence most of the chromite ore was exported. India exported about 3.84 million tonnes between 1903 to 1980.

KWG Resources Inc. | (KWG: CSE) | Big Daddy Claims

KWG is an exploration stage company that is participating in the discovery, delineation and development of chromite deposits in the James Bay Lowlands of Northern Ontario, including 1,024 hectares covered by four unpatented mining claims (Fancamp Claims) approximately 280km north of Nakina, Ontario, which contains the Black Horse chromite deposit (the "Koper …

KWG Resources wins key chromite patent | Sudbury Star

2018-1-3 · The Ring of Fire is a large nickel and chromite mining deposit located more than 600 kilometres northwest of Timmins in the James Bay Lowlands near Webequie and McFaulds Lake. KWG owns large mining properties in the region. Company CEO Frank Smeenk was pleased with the recent patent announcement, made in December.

US Patent for Method for producing low carbon …

2019-10-8 · A method and system for recovering a high yield of low carbon ferrochrome from chromite and low carbon ferrochrome produced by the method. A stoichiometric mixture of feed materials including scrap aluminum granules, lime, silica sand, and chromite ore are provided into a plasma arc furnace. The scrap aluminum granules are produced from used aluminum …

Planned Commercial Recovery of Chromite

2021-1-18 · Sumitomo Metal Mining Co., Ltd. Planned Commercial Recovery of Chromite . Sumitomo Metal Mining Co., Ltd. (SMM) has taken the decisionto commercially recover chromite, which is mainly used as a raw material for stainless steel. SMM will construct a chromite recovery plant at its subsidiary Taganito HPAL Nickel Corporation (THPAL) where it plans ...

Chromite Patent Awarded to Pro-Or

2004-10-1 · A worldwide patent has been awarded to Ressources Minires Pro-Or Inc. for its chromite enrichment technology. The company has also applied for a patent for its PGE extraction technology. The chromite technology is available for licensing.

KWG Resources Inc. | (KWG: CSE) | Ring of Fire News ...

2018-1-3 · The Ring of Fire is a large nickel and chromite mining deposit located more than 600 kilometres northwest of Timmins in the James Bay Lowlands near Webequie and McFaulds Lake. KWG owns large mining properties in the region. Company CEO Frank Smeenk was pleased with the recent patent announcement, made in December.

US20150014225A1

A method for recovering chromite from ore slurry obtained by processing nickel oxide ore, the raw material, in a plant for the wet smelting of nickel oxide ore. In the method chromite is separated and recovered from an ore slurry obtained from a nickel oxide ore when nickel and cobalt are recovered from the nickel oxide ore. The method has a grain diameter separation step for …

PATENTS: KWG to acquire 50% of two chrome processes ...

2014-4-21 · TORONTO – KWG Resources has entered into an agreement to acquire 50% of two US provisional patent applications for the treatment of chromite ores. One relates to the production of chromium-iron alloys directly from chromite ore and the other to the production of low carbon chromium-iron alloys directly from chromite concentrates.

CHROMITE DEPOSITS OF THE EASTERN PART OF THE …

2011-7-1 · chromite-bearing zone, is composed of anorthositic, noritic, and ultramafic (pyroxene-olivine) rocks. Although it is known that chromite occurs more or less continuously for 27 miles, Figure 50.--Index map of Montana. Ruled area shows location of Stillwater complex. the field work on which this report is based was confined to

process of extraction from chromite ore

Patent US4295881 - Process for extraction of platinum group ... Chromite ore, which varies compositionally within wide limits permitted by the formula ... Process for the extraction of platinum group metals: US4695317 * Jan 29, 1986: ... Chromite mining process,Chromite ore beneficiation plants India . GET PRICE. A new metallurgical process for ...