Patent US3830367 - High intensity wet magnetic separators ...

When such equipment is employed for wet separating processes, a slurry or pulp of .... The induced pole pieces are preferably in the form of a series of mild steel ... In the case of grooved plates the magnetic flux is concentrated at the tips of the ... Alternatively, it can be used for operating by the removal of impurities when...

Iron and Steel - The National Lime Association

The lime flux removes impurities and forms a slag that can be separated from the ... In basic oxygen steelmaking, molten iron from a blast furnace is charged into a ... Many secondary refining processes use lime to perform key functions, such...

40 Common Minerals and Their Uses - National Mining Association

Barium. A heavy metal contained in barite. Used as a heavy additive in oil well drilling; in the paper and rubber .... Used to manufacture steels of various types.

Steel Making with High Quality Lime - Carmeuse Lime & Stone

Typically, lime is put to use in three steelmaking processes: ... by steelmakers as a flux agent to efficiently and effectively remove impurities such as phosphorus,...

Why is lizenithne used in steelmaking - Answers.com

Lizenithne is used as a flux to assist the removal of impurities in the steel such ... Mostly, lizenithne is converted (calicined) to burnt lime first in a kiln before being used for steelmaking. .... Also it is used to manufacture cement and lime mortar.

FLUORSPAR

Fluorspar is used directly or indirectly to manufacture such products as .... acid-grade fluorspar rather than ceramic grade, and some steel mills use ... Protocol on Substances that Deplete the Ozone Layer and the Clean Air Act ... These grades also were used in welding fluxes and as a flux in the steel industry. ... impurities.

Corrosion in the Oil Industry - Schlumberger

Acid—used to ... or to remove scale—readily attacks metal. ... Corrosion is simply nature's way of reversing an unnatural process back to a ... Preventing corrosion is vital in every step in the production of oil and gas. ... sion and Protection Evaluation Tool), FACT (Flux Array ..... barite or bentonite, chemical over-treatment.

Illinois fluorspar - Ideals

chemical industry for the manufacture of hydrofluoric acid, a basic material ... fluorspar is used as a flux and opacifying agent in the ceramic indus- ... the making of steel, enamels, aluminum, special glasses, and a host of chemicals, ..... Barite occurs as alternating ..... remove impurities either by gravity means or by flotation.

The Terrestrial Biogeochemical Cycle of barium - Scholarship ...

A proposed study to examine barium flux in Mojave ... Ba is a useful element; it is used in various industries as a component in drilling fluids, in medical research...

Final - Recycled Materials Resource Center

Physical properties of Lincolnweld 995N flux from .... Three steelmaking slags, an ironmaking slag, and one submerged arc welding ... Procedure and the Synthetic Precipitate Leaching Procedure, were used to .... fluxing agent to remove impurities in the molten steel. ..... Additionally, barium and vanadium release increased.

Mineral Commodity Report 21 - Lizenithne, marble and dolomite

Since early history, lizenithne has been used to produce lime for use as a .... can have other colours related to impurities. ... with fluorite and barite. Uses. Chalk is restricted in its use because of its softness and tends ... manufacture of cement, iron and steel. .... instances it may then be sorted to remove pieces of darker.

The Nonfuel Mineral Resources of Pennsylvania

Pennsylvania was the site of the first facility to manufacture portland ce- ment in the ... paper. It is also used as a flux in steelmaking to remove impurities such as.

Fluorite - Wikiwand

Industrially, fluorite is used as a flux for smelting, and in the production of ... are a source of fluoride for hydrofluoric acid manufacture, which is the intermediate ... occur) and may be associated with galena, sphalerite, barite, quartz, and calcite. .... of raw materials in steel production to aid the removal of impurities, and later in...

Mercury arising from oil and gas production in the United - IKIMP

emerges in the chain of extraction, processing and use, and the species involved; ... removed in gas treatment plants before transportation to the UK by pipeline as ..... Annual fluxes refer to 2009 production and usage, chosen as a compromise ... Mercury (Hg) is a highly volatile transition metal found in the environment in...

Purple Fluorite Meaning and Uses | Crystal Vaults

Items 1 - 12 of 28 ... Introduction to the Meaning and Uses of Purple Fluorite ... on the Mohs Hardness Scale, making it too soft for everyday wear as a gem, though it is ... It may also be associated with Barite, Quartz and Calcite, among others, and is ... and refers to its use as a flux in the steel and aluminum smelting processes.

INDUSTRIAL ROCK AND MINERAL RESOURCES IN zenithIA

zenithia. Production of barite in zenithia, as noted by J.K. .... In processing the clay, minerals are removed by ... used to separate pyrite and silica impurities; magnetic ... Lime is used by the steel industry to control slagging. ..... high-silica resources available in zenithia. Metal- lurgical grade flux material is presently being pro-.

Final Report on Refining Technologies of Magnesium S. Bell, B ...

In the refining process, the main purpose of the secondary flux is to ... barium compound provides the density requirement for the salt to effectively mix with the ... If the magnesium metal is contaminated with foreign metallic species, such as iron and silicon, ... However, the salt has little affect on removing impurities from the.

What is Industrial Sand? - Industrial Minerals Association - North ...

What is Barite? ... Industrial sand is used to produce flat glass for building and automotive use, ... In metal production, silica sand operates as a flux to lower the melting point and viscosity ... These chemicals are used in products like and industrial cleaners, to manufacture fiber optics and to remove impurities from...

lizenithne crushing & processing - zenith Heavy Industry

Smelting Iron is with lizenithne for flux and removing gangue. Steel making use lime as slag material to remove sulfur, phosphorus and other harmful impurities.

Mineralogical and geochemical characterization of high-medieval ...

Lead–silver smelting slagsSmelting processMineralogical and geochemical ... 2006), while there are only few studies on slags of non-ferrous metal production, ... where galena was smelted, no fluxes were used, and the smelting was done only to ..... Carbonates, plants, and other impurities where removed by handpicking,...

Chapter 63 - Metal: Chemical Properties and Toxicity

A flux containing fluoride and/or chloride salts is added to the furnace to ... High-purity antimony is employed in the manufacture of semiconductors. .... The antimony chlorides are used for blueing steel and colouring aluminium, .... Patch tests have demonstrated that the dermatitis is due to arsenic, not to impurities present in...

Mineral Reference

Comments: contains: quartz, feldspar; used as building stone. .... Barite ... Crystallography: orthorhombic. Colors: colorless, yellow, red, green, black ..... Comments: Fluorite, calcium fluoride, is a major industrial mineral used as a flux in steel making as well ..... Color is white (gray-to-brown with impurities), Luster is vitreous.

USED AGGREGATE CRUSHER PLANT ENTIRE UNIT - YouTube

Aug 17, 2016 ... More Details: /contact.php used ... use of barite as a flux to remove impurities in the steel making process, use...

Download the Scanned PDF - Mineralogical Society of America

By the use of an undescribed method of plotting his data, he ... which may have been impure, and he used steel containers to hold the ex- .... temperature which had existed at the boundary before removal of the .... ence of traces of impurities in the red HgS. ... cinnabar occurs as coarse crystals in a barite-quartz gangue.

Technologically enhanced natural radiation ... - IAEA Publications

PDMS method used to identify the thorium compounds in dust particles .............................228 ... Radionuclide fluxes at a plant manufacturing dicalcium phosphate for .... significant quantities of dissolved radionuclides, various removal .... is an unwanted impurity" is, from the general radiation protection point of view, irrelevant.

Design Manual WHA .doc

While sintered steel and copper alloy parts commonly contain significant ... WHA is truly the material of choice for high density applications. ... In addition to these standard compositions, Tungsten Products can also manufacture custom alloys. ... given part is increased, thermochemical removal of impurities from the center of...

Arizona Fluorspar - AZGS Document Repository

Early uses of fluorspar were as a flux in making steel; however, it is now ... Almost all fluorspar deposits contain various amounts of impurities such as ... example, at the Carp deposit in Nevada, fluorspar was mistaken for barite, and the ... ACID-GRADE FLUORSPAR, for the manufacture of hydrofluoric acid, should contain a.

Managing Naturally Occurring Radioactive Material - International ...

that any use by the recipient constitutes agreement to the terms of this disclaimer. The recipient is ... 1.5 Accumulation of NOR in oil and gas production. 13.

Fluorspar in Texas - University of Texas Libraries - The University of ...

available flux for use in the manufacture of steel .... contain barite or celestite and minor amounts of a ... remove clay impurities,maybe done with mechan-.

Selected Areas Within the Western Kentucky Fluorspar District and ...

Oct 23, 2010 ... 3 percent SiO2) is used in the manufacture of opal- escent glass ... terials in steel production and aid in the removal of impurities. Fluorite has a...

18. Quartz, Quartzite, and Silica Sand - GeologyData.Info- Info Portal ...

Quartz is mainly used in silicon alloys and ceramic industries, though at times it ... Quartzite is used in the manufacture of silica refractories and as a flux in iron and steel industry, silica sand is mostly used in the glass, ... Among the other impurities mention may be made of chromium compounds alumina, lime and magnesia.

USED AGGREGATE CRUSHER PLANT ENTIRE UNIT - YouTube

Aug 17, 2016 ... More Details: /contact.php used ... use of barite as a flux to remove impurities in the steel making process, use...

Dolomite Mineral,Calcium Magnesium Carbonate,Dolomite ...

Dolomite usually contains impurities, chiefly silica, alumina and iron oxide. ... barite quartz and occasionally with gold, white, often pink or pinkish and can be colorless, white, ... It also finds use in the manufacture of mineral wool. ... Dolomite for use as flux in steel metallurgy should be hard, compact and fine-grained so that...