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Process of purifying zinc
Zinc refining is the process of purifying zinc to special high grade (SHG) zinc, which is at least 99.995% pure. This process is not usually required
Zinc_refining
Chemical element with atomic number 47 (Ag)
Most silver is produced as a byproduct of copper, gold, lead, and zinc refining. Silver has long been valued as a precious metal, commonly sold and
Silver
Multinational materials technology company
areas as the refining and recycling of precious metals and the manufacture of specialised products from precious metals, cobalt, germanium, zinc, and other
Umicore
Chemical element with atomic number 30 (Zn)
with zinc from mining, refining, or fertilizing with zinc-bearing sludge can contain several grams of zinc per kilogram of dry soil. Levels of zinc in excess
Zinc
Process of purifying metals
change to the raw material, whereas in refining the final material is chemically identical to the raw material. Refining thus increases the purity of the raw
Refining_(metallurgy)
Japanese epidemic of cadmium poisoning
monitored to ensure the absence of cadmium in the airborne byproduct of the zinc refining process. Continuous inspections following the lawsuit have documented
Itai-itai_disease
South Korean smelting company
co-operation in nickel refining. Trafigura, one of the leaders in the raw materials industry, has entered into an agreement with Korea Zinc to invest 185 billion
Korea_Zinc
Bilateral relations
February 2024, Bolivia obtained a $350 million loan from China to build a zinc refining factory. In 2019, China developed the purpose of overhauling the Bolivian
Bolivia–China_relations
American producer of zinc and related materials
accounted for. Zinc refining Zamak Yates, W. Ross (October 1, 1974). "Samuel Wetherill, Joseph Wharton, and the Founding of American Zinc Industry". The
Horsehead_Corporation
Fifth row of the periodic table
Most silver is produced as a byproduct of copper, gold, lead, and zinc refining. Silver has long been valued as a precious metal, and it is used to
Period_5_element
Inorganic compound with the formula CdO
compounds are often found in association with zinc ores, cadmium oxide is a common by-product of zinc refining. It is produced by burning elemental cadmium
Cadmium_oxide
Metal alloy
of 99.99% pure zinc metal, produced by New Jersey Zinc's use of a refluxer as part of the refining-process. Zamak can be electroplated, wet-painted, and
Zamak
Production facility for processing raw materials
refineries refining metals such as alumina, copper, gold, lead, nickel, silver, uranium, zinc, magnesium and cobalt Iron refining, a stage of refining pig iron
Refinery
Canadian mining company
mine in Alaska, one of the largest zinc mines in the world. It also produces refined zinc at its smelting and refining complex in Trail, British Columbia
Teck_Resources
American materials company
ASARCO (American Smelting and Refining Company) is a mining, smelting, and refining company based in Tucson, Arizona, which mines and processes primarily
ASARCO
Japanese manufacturer of Zinc related products
third-biggest producer of zinc. Toho Zinc has four manufacturing sites in Japan: Annaka smelter and refinery with zinc smelting and refining operations Chigirishima
Toho_Zinc
Chemical element with atomic number 48 (Cd)
is produced mainly as a byproduct of mining, smelting, and refining sulfidic ores of zinc, and, to a lesser degree, lead and copper. Small amounts of
Cadmium
Type of solar power cell
substance, is a waste byproduct of mining, smelting and refining sulfidic ores of zinc during zinc refining, and therefore its production does not depend on
Cadmium telluride photovoltaics
Cadmium_telluride_photovoltaics
Swedish multinational metals, mining and smelting company
and refining by swapping its advanced manufacturing and sales units for Outokumpu's mining and smelting assets. The deal included the Tara zinc mine
Boliden_AB
Conversion of zinc ore into pure zinc
Zinc smelting is the process of converting zinc concentrates (ores that contain zinc) into pure zinc. Zinc smelting has historically been more difficult
Zinc_smelting
Americans of Spanish birth or descent
Asturian diaspora in West Virginia was mainly connected to region's zinc refining industry in towns such as Ziesling (Spelter) and Moundsville, WV. Asturians
Spanish_Americans
Chemical compound
Chung Chi Chou, ed. (2000). Handbook of sugar refining: a manual for the design and operation of sugar refining facilities. New York: Wiley. pp. 368–369.
Bone_char
Mine in Queensland, Australia
prices and rising costs. In 1978, MIM's copper refining subsidiary developed the Isa Process copper refining technology, which is now marketed as the IsaKidd
Mount_Isa_Mines
Process of recycling used engine and motor oils
distilled into diesel fuel or marine fuel in a process similar to oil re-refining, but without the final hydrotreating process. [citation needed] The lubrication
Automotive_oil_recycling
Group of chemical elements
is produced mainly as a byproduct from mining, smelting, and refining sulfidic ores of zinc, and, to a lesser degree, lead and copper. One place where metallic
Group_12_element
Alloy of gold and silver
2026. "Gold Refining: From Doré to Investment-Grade Bullion". 2026-06-16. Retrieved 2026-06-16. Metallurgy of Gold, Silver, Lead and Zinc. Scranton, Pennsylvania:
Doré_bar
Mine in Rosh Pinah, Karas, Namibia
and refine its zinc products (others using conventional smelting and roasting). The Skorpion SX-EW plant creates Special High Grade, ultra-pure zinc cathode
Skorpion_Zinc
Mine in North Carolina
the refining of lead. English-style reverberatory furnaces were implemented to reduce and purify the molten lead. Later, a German-style refining furnace
Silver_Hill_Mine
Branch of extractible metallurgy
"refining" can also refer to certain electrolytic processes. Accordingly, some kinds of pyrometallurgical refining are referred to as "fire refining"
Pyrometallurgy
2010. "National Zinc Corp" (PDF). EPA. Archived from the original (PDF) on January 18, 2008. Retrieved May 2, 2010. "National Zinc Corp. Superfund site
List of Superfund sites in Oklahoma
List_of_Superfund_sites_in_Oklahoma
Metals commissioned its Cobalt Refining Circuit. In September 2022, Jubilee Metals announced that its Southern Copper Refining Plant attained its nameplate
List_of_mines_in_Zambia
Pyrometallurgical industrial process for removing silver from lead
zinc. The first is that zinc is immiscible with lead, and the other is that silver is 3000 times more soluble in zinc than it is in lead. When zinc is
Parkes_process
Intergovernmental organization
Solid Wastes in Base Metal Mining, Smelting and Refining: A Comprehensive Study for the Copper, Lead and Zinc and Nickel Industries Smelting and Hydrometallurgy
International Copper Study Group
International_Copper_Study_Group
Chemical compound
formula Zn(CH2CH3)2. It is highly pyrophoric and reactive, consisting of a zinc center bound to two ethyl groups. This colourless liquid is an important
Diethylzinc
Viscous by-product of the refining of sugarcane, grapes, or sugar beets into sugar
(/məˈlæsɪz, moʊ-, -əz/ ) is a viscous byproduct principally obtained from the refining of sugarcane or sugar beet juice into sugar. Molasses varies in the amount
Molasses
Type of brass
particular alloying technique using the zinc ore calamine directly, rather than first refining it to metallic zinc. Direct zinc smelting appears to have been unknown
Calamine_brass
Ancient zinc mine in Kelmis (La Calamine) in Belgium
original refining process, Belgian industrialist Jean-Jacques Dony received a decree from the Napoleonic authorities in 1806, allowing him to mine the zinc ore
Vieille_Montagne
Former power station and dam in Tasmania, Australia
needed to smelt zinc ores from Broken Hill. By late 1909, James Hyndes Gillies had patented an electrolytic process for zinc refining, and it was muted
Waddamana_Power_Stations
Indian multinational mining company
facilities in the State of Rajasthan, processing and refining facilities for zinc at Haridwar and for zinc, lead and silver at Pantnagar, both in the State
Vedanta_Limited
Anglo-Australian multinational mining company
Tinto Company merged with the Australian firm Consolidated Zinc to form the Rio Tinto – Zinc Corporation (RTZ) and its main subsidiary, Conzinc Riotinto
Rio_Tinto_(corporation)
foundation and refining of tin and copper. It is also involved in the exploration for new minerals deposits, with a focus on gold, silver, lead, and zinc ores.
Minsur
Canadian materials company
secondary refining capabilities. 5N Plus' primary refining capabilities are such that it can treat very low-grade metal concentrates, and extract and refine the
5N_Plus
British smelting and refining company
Pass and Son Ltd. was a British smelting and refining company specialising in non-ferrous metal refining, particularly tin. Originally established in
Capper_Pass_and_Son
Natural resources in India
among the oldest evidence of zinc mines in India. Zinc is recovered from a number of different zinc ores. The types of zinc ores include sulfide, carbonate
Natural_resources_of_India
Refining process in metallurgy
Cupellation is a refining process in metallurgy in which ores or alloyed metals are heated to very high temperatures and subjected to controlled operations
Cupellation
Electrode through which conventional current flows into a polarized electrical device
electrons is Reduction). This process is widely used in metal refining. For example, in copper refining, copper anodes, an intermediate product from the furnaces
Anode
City in British Columbia, Canada
in Canada. However, the concentrate still required refining at the American Smelting and Refining Company's plant in Tacoma, Washington. To address this
Trail,_British_Columbia
Medical condition
rechargeable batteries. The primary source for cadmium is as a byproduct of refining zinc metal. Exposure to cadmium are addressed in specific standards for the
Cadmium_poisoning
Seed of the sunflower (Helianthus annuus)
Oliveira, Denise Maria Trombert (September 2008). "Cypsela or achene? Refining terminology by considering anatomical and historical factors". Revista
Sunflower_seed
Metallurgical process
recovery circuit and is purified by the removal of iron, copper, nickel, and zinc prior to the precipitation of cobalt as its hydroxide. This is accomplished
Cobalt_extraction
action causes a chemical reaction called electrolytic refining. The result of electrolytic refining is electrolytic iron. An anode (raw material) and a
Electrolytic_iron
Lead-zinc smelter complex in India
commissioned in 1991. It refines lead-zinc ore from Rampura Agucha. It produces zinc, lead, cadmium and other precious metals. "Hindustan Zinc gets Dun & Bradstreet
Chanderiya_Smelter_Complex
Mine in Sotkamo, Kainuu, Finland
copper, 0.5% zinc and 0.02% cobalt thus resulting 2.2 million tonnes of nickel, 1.3 million tonnes of copper, 5 million tonnes of zinc and 0.2 million
Talvivaara_mine
copper. The current IsaKidd technology represents the merger of the copper refining technologies developed by the two different organisations. The initial
IsaKidd_refining_technology
White pigment invented in the 20th century
20th century depended on improvements in pigment processing, including refining and grinding techniques that made the compound suitable for stable dispersion
Titanium_white
Chemical element with atomic number 28 (Ni)
processed using pyrometallurgical techniques to produce a matte for further refining. Hydrometallurgical techniques are also used. Most sulfide deposits have
Nickel
Type of fat found around the loins and kidneys
simmering, followed by straining, then cooling. The process may be repeated to refine the product. The word suet /ˈs(j)uːɪt/ is derived from Anglo-Norman siuet
Suet
American mining company
the zinc plant was operational by Oct. 1928, and used Dr. U.C. Tainton's process. The Tainton process used sulphuric acid to combine with the zinc, forming
Hecla_Mining
Alloy of copper and tin
the addition of other metals (including aluminium, manganese, nickel, or zinc) and sometimes non-metals (such as phosphorus) or metalloids (such as arsenic
Bronze
Canadian mining company (1906–2001)
to become an international mining company and one of the world's largest zinc producers. Canadian Pacific remained Cominco's majority shareholder until
Cominco
American Serial Entrepreneur in Refining
Mulberry Resources, National Zinc, and was a senior vice president for TOSCO. He is a serial entrepreneur in oil refining and started with fellow serial
Phil_L._Rinaldi
Japanese non-ferrous metal company
ENEOS Holdings. Its activities include resource development, smelting, refining, and recycling. The firm holds a global market share of approximately 60%
JX_Advanced_Metals
third in tin, and third in zinc. In Latin America, Peru was the first ranked producer of, in order of value, gold, silver, zinc, lead, tin, and tellurium
Mineral_industry_of_Peru
Lead and zinc mine in Balochistan, Pakistan
is Pakistan's largest underground facility for the extraction of lead and zinc, located in the mineral-rich Kanraj Tehsil of Lasbela District in southeastern
Duddar_mine
Metal-joining technique
strength drop, so only lower-zinc alloys of this type are used. At above 25% zinc less ductile copper-zinc and silver-zinc phases appear. Copper content
Brazing
Process of separating gold from silver
there is no evidence for the use of a true refining processes before the introduction of coinage. As refining gold (as opposed to surface enhancement) results
Gold_parting
Alaska Mining District in the United States
smelting and refining. In 2020 Greens Creek produced 10.5 million troy ounces of silver, 48,500 troy ounces of gold, 56,800 tons of zinc and 21,400 tons
Admiralty_mining_district
Chemical element with atomic number 32 (Ge)
birth. Germanium is mined primarily from sphalerite (the primary ore of zinc), though germanium is also recovered commercially from silver, lead, and
Germanium
Process of extracting copper from the ground
refiners who treat the ore and refine the copper and charge for this service via treatment charges (TCs) and refining charges (RCs). The TCs are charged
Copper_extraction
Former Spanish copper refinery in Berango, Basque Country
included: Black copper, sent to Metallo-Chimique for electro-refining or fire refining Tin- and lead-bearing solder alloys The workforce remained stable
Aurubis_Berango
Canadian mining company (1928–2007)
Ontario which includes an underground copper/zinc mine, concentrator, copper smelter and copper refinery, zinc plant, indium plant, cadmium plant, and sulfuric
Falconbridge_Nickel_Mines
American industrialist (1826–1909)
of the nickel and zinc metal industries in the United States. He created the first plant in the United States to produce metallic zinc, or spelter, and
Joseph_Wharton
Belgian refiner, recycler, and supplier of tin, lead, and copper
Metallo now specializes in the recycling and refining of metalliferous materials (e.g. copper, tin, lead, zinc, as well as cable, waste from the electronics
Metallo-Chimique
Chemical element with atomic number 82 (Pb)
with antimony the most common impurity. Refining of secondary lead is similar to that of primary lead; some refining processes may be skipped depending on
Lead
Defunct smelter in Australia
confused with, Electrolytic Refining and Smelting Company of Australia Limited (ER&S), which operated a copper smelting and refining plant at Port Kembla, from
Dapto_Smelting_Works
Process for producing steel
semi-finished or finished products. This stage is distinct from the chemical refining of the primary and secondary stages, focusing instead on physical form
Steelmaking
Former Australian mining company
Zinifex was an Australian company that operated lead and zinc mines, refineries and a lead smelter. It was established in April 2004, when the assets of
Zinifex
Container in which substances are heated
copper metal with zinc oxide or carbonate which comes in the form of calamine or smithsonite. This is heated to about 900 °C, the zinc oxide vaporizes into
Crucible
Use of heat and a reducing agent to extract metal from ore
used to obtain many metals such as iron, copper, silver, tin, lead, and zinc. Smelting uses heat and a chemical reducing agent to decompose the ore, driving
Smelting
below displays some examples of roasting oxidation reactions used in refining zinc from sphalerite and other ores. 2AS (s) + 3O2 (g) ⇌ 2MO(s) + 2SO2 (g)
Flash_reactor
Chemical element with atomic number 51 (Sb)
coming from the Xikuangshan Mine in Hunan. The industrial methods for refining antimony from stibnite are roasting followed by reduction with carbon,
Antimony
Field of science that studies the physical and chemical behavior of metals
metallurgy is the practice of removing valuable metals from an ore and refining the extracted raw metals into a purer form. In order to convert a metal
Metallurgy
Cereal containing endosperm, but not bran nor germ
products before they are sold. Folate (folic acid) was added in 1996. Refining grain includes mixing, bleaching, and brominating; additionally, folate
Refined_grains
Halide mineral
in the soldering of stained-glass windows. In jewellery-making and the refining of precious metals, potassium carbonate is added to gold and silver in
Salammoniac
Trademarked metal alloys
sterling silver alloy, which provides a greater light reflectivity (by refining the grain structure) and resistance to tarnish (thought to be caused by
Platinum_sterling
American copper smelting company
difference between genuine industrial zinc oxide and the metal-rich residues generated by Chemetco's refining operations. The unusable waste generated
Chemetco
Nonferrous metal manufacturer in China
smelting, and processing of nonferrous metals, including copper, lead, zinc, silver, and gold. Headquartered in Baiyin, Gansu Province, the company is
Baiyin_Nonferrous
Japanese nonferrous metals manufacturer
extracting copper by accessing kuroko (black ore — a mixture of copper, zinc and lead) deep in the mine. After that, Kosaka changed its focus from silver
Dowa_Holdings
Copper iron sulfide mineral
pyrometallurgy, involves "crushing, grinding, flotation, smelting, refining, and electro-refining" techniques. Crushing, leaching, solvent extraction, and electrowinning
Chalcopyrite
Alunite supergroup, potassium iron basic sulfate mineral
Jarosite is often produced as a byproduct during the purification and refining of zinc and is also commonly associated with acid mine drainage and acid sulfate
Jarosite
Chocolate with high cocoa solid content
liquor has been correctly milled, the refining process for dark chocolate is primarily about grinding down sugar. Refining involves putting chocolate through
Dark_chocolate
copper 9%; gold 20%; iron ore 2%; steel 1%; lead (Pb) 2%; manganese 38%; zinc 1%; cement 4%; natural diamond 56%; graphite 2%; phosphate rock 21%; coal
Mineral_industry_of_Africa
Chemical compound
composition varies with the crude oil composition and the conditions during refining and oxidation. Fractions that are rich in naphthenic acids can cause corrosion
Naphthenic_acid
recommendations to enhance the competitiveness of American mining and refining companies in other mineral-wealthy nations" Trump also appointed oil, gas
Domestic policy of the second Trump administration
Domestic_policy_of_the_second_Trump_administration
Chinese state-owned gold mining company
enterprise primarily involved in the exploration, mining, processing, and refining of gold, copper, silver, and molybdenum. It was established in 1979 and
China National Gold Group Corporation
China_National_Gold_Group_Corporation
Chemical Property
NaOH (aq) + H2 (g) Slightly less reactive metals, such as magnesium and zinc, do not react readily with cold water, but will react with steam to produce
Reactivity_series
Chemical element with atomic number 78 (Pt)
with elemental zinc, and a similar method is suitable for small scale recovery of platinum from laboratory residues. Mining and refining platinum has environmental
Platinum
Mixture of nitric acid and hydrochloric acid in a 1:3 molar ratio
produce chloroauric acid, the electrolyte in the Wohlwill process for refining the highest purity (99.999%) gold. Aqua regia is also used in etching and
Aqua_regia
Smelting furnace
the base metals as part of the refining processes used to purify the metals. In the case of copper electrolytic refining, the gold and silver fall to the
Bottom-blown_oxygen_converter
Electrical engineer and metallurgist (1864–1938)
largely dismantled. The Sulphide Corporation continued in the business of refining zinc ore, but reverted to the roasting method. Ashcroft returned to England
Edgar_Arthur_Ashcroft
ZINC REFINING
ZINC REFINING
Girl/Female
Russian
crowned with laurels. Note: 'This Database is Copyright Muse Creations Inc. 2000'.
Girl/Female
Polish
Christian. Note: 'This Database is Copyright Muse Creations Inc. 2000'.
Girl/Female
African, American, Australian, British, Christian, Czechoslovakian, Danish, English, German, Greek, Indian, Romanian, Swahili, Ukrainian
Name; A Beauty; Welcoming; Name of a Flower; Hospitable; Guest Stranger; Of Zeus; Best
Boy/Male
Australian, British, English, Latin
Form of Lincoln; Lithe; From the Town by the Pool
Male
Hebrew
(×ִבצָן) Hebrew name IVTZAN means "coated with zinc."
Girl/Female
English
Adventurous. Note: This Database is Copyright 2000, Muse Creations Inc.
Girl/Female
English American
Welcoming; hospitable.
Boy/Male
Spanish
Conqueror. Note: This Database is Copyright 2000, Muse Creations Inc.
Girl/Female
Native American
Power of the moon Note: 'This Database is Copyright Muse Creations Inc. 2000'.
Girl/Female
English
which is a . Note: 'This Database is Copyright Muse Creations Inc. 2000'.
Girl/Female
German
Bright angel Note: 'This Database is Copyright Muse Creations Inc. 2000'.
Male
Hungarian
Hungarian form of Roman Latin Laurentius, LÖRINC means "of Laurentum."
Boy/Male
Biblical
Shining, going back.
Biblical
shining; going back
Girl/Female
German
Mighty with a spear. Note: 'This Database is Copyright Muse Creations Inc. 2000'.
Biblical
buckler; coldness
Female
Russian
(Зина) Short form of Russian Zinaida, possibly ZINA means "of Zeus."
Boy/Male
Anglo Saxon
warrior.
Girl/Female
Biblical, British, English
Buckler; Coldness
Biblical
same as Zina
ZINC REFINING
ZINC REFINING
Boy/Male
Tamil
Boy/Male
Hindu
Intelligent
Male
Swiss
, beloved.
Girl/Female
Muslim
Golden, Lovely
Boy/Male
Indian
A character in shahnameh
Female
English
Latin form of German Adala, ADELA means "noble." In use by the Danish and Swedish.
Boy/Male
African, Australian, Chinese, Hebrew
A Combination of Joseph and Mary
Boy/Male
Indian
Uncovered, Pioneer, Discoverer
Male
Egyptian
, a son (?) of Amenemap.
Female
Polish
Polish form of Latin Gratia, GRACJA means "pleasing, agreeable."
ZINC REFINING
ZINC REFINING
ZINC REFINING
ZINC REFINING
ZINC REFINING
n.
The act or process of freeing from zinc; also, the condition resulting from the removal of zinc.
n.
An abundant element of the magnesium-cadmium group, extracted principally from the minerals zinc blende, smithsonite, calamine, and franklinite, as an easily fusible bluish white metal, which is malleable, especially when heated. It is not easily oxidized in moist air, and hence is used for sheeting, coating galvanized iron, etc. It is used in making brass, britannia, and other alloys, and is also largely consumed in electric batteries. Symbol Zn. Atomic weight 64.9.
n.
An engraver on zinc.
n.
Zinc chloride.
p. pr. & vb. n.
of Zinc
n.
Native zinc oxide; a brittle, translucent mineral, of an orange-red color; -- called also red zinc ore, and red oxide of zinc.
n.
A binary compound of zinc.
imp. & p. p.
of Zinc
n.
See Zinc.
a.
Containing or affording zinc.
n.
The act or process of applying zinc; the condition of being zincified, or covered with zinc; galvanization.
v. t.
To coat or impregnate with zinc.
n.
Zinc spinel; automolite.
v. t.
To coat with zinc; to galvanize.
a.
Electrically polarized like the surface of the zinc presented to the acid in a battery, which has zincous affinity.
n.
Impure zinc oxide.
n.
Crude zinc.