About Us

MINEVIK Machinery is a leading and pioneering enterprise with the most advanced international level in R&D, manufacturing and selling of large-scale crushing & screening plants and beneficiation plants.

large-scale crushing & screening plants and beneficiation plants.

All of our equipment have got ISO international quality system certification, European Union CE certification and Russian GOST certification.

  • In central China-Zhengzhou, covering 140 thousand square meters
  • Win-win cooperation and create more value to customers
  • Exported large quantities and high-end mobile crushing plant and milling equipments to Russia, Kazakhstan, Indonesia, Ecuador, South Africa, Nigeria, Turkey more than 100 countries .

Ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum

Our Products

AS a leading global manufacturer of crushing and milling equipment, we offer including quarry, aggregate, grinding production and complete stone crushing plant. We also supply individual crushers and mills as well as spare parts of them.

Services

Our goal is to guarantee the excellent operation equipment with high safety for our customers and minimize the downtime of the machine by predictive maintenance. Kefid service and original accessories can be 100% trusted at the time of maintenance.

SERVICE AND SUPPORT

Minevik service and original accessories can be 100% trusted at the time of maintenance.

ACCESSORIES CENTER

striving to enable customers to get the parts in the nearest place.

SALES MARKET

Our sales market is spread all over more than 100 countries and regions

pyrometallurgical technique for antimony

[randpic]

A New Pyrometallurgical Process for Producing Antimony

Jun 06, 2014· Antimonial dust is a by-product of lead smelting and an important material for extracting antimony. A new pyrometallurgical process for producing antimony white from the antimonial dust is reported. The process mainly consists of three steps, which are reduction smelting, alkaline refining, and blowing oxidation. First, the reduction smelting of antimonial dust is carried out in an oxygen-rich

More
[randpic]

A New Pyrometallurgical Process for Producing Antimony

Antimonial dust is a by-product of lead smelting and an important material for extracting antimony. A new pyrometallurgical process for producing antimony white from the antimonial dust is reported.

More
[randpic]

Copper and Antimony Recovery from Electronic Waste by

pyrometallurgical techniques or hydrometallurgical processes.3 The recovery of precious metals such as gold and palladium,13,14 copper,15,16 and rare earths17 through pyrolysis methods has the disadvantage of using high temperatures and only partial separation, whereby further processing and

More
[randpic]

Antimony and Antimony Compounds Grund - Major

Jul 15, 2006· Antimony metal is recovered from ore primarily by pyrometallurgical techniques. Because rich ores are becoming rare, greater recourse is being taken to intermediates in processing and metal industries. Hydrometallurgical processing is suitable for some ores containing precious metals and is used by the Sunshine Mining Co. (USA).

More
[randpic]

Antimony | Sb PubChem

The antimony content of commercial ores ranges from 5 to 60%, and determines the method of treatment, either pyrometallurgical or hydrometallurgical. In general, the lowest grades of sulfide ores, 5-25% antimony , are volatilized as oxides; 25-40% antimony ores are smelted in a blast furnace; and 45-60% antimony ores are liquated or treated by

More
[randpic]

New Pyrometallurgical Bullion Lead Refining Process

lead production, the pyrometallurgical techniques being more widely employed [4], [5]. Removal of antimony, arsenic and tin After the removal of copper, the next step is to take out antimony, arsenic and tin. There are two methods available the softening process (so called since these elements are standard

More
[randpic]

Lead Refining Plant:(Pyrometallurgical techniques)

Lead Refining Plant:(Pyrometallurgical techniques) The Lead Bullion is fed into a refining kettle. Lead bullion contains many other metallic impurities including antimony, arsenic, copper, tin and zinc. Refining Process of Lead in Detail: a. Removal of Copper Copper is the first of the impurities to be removed.

More
[randpic]

Copper and Antimony Recovery from Electronic Waste by

A strategy for the efficient recovery of highly pure copper and antimony metals from electronic waste (e-waste) was implemented by the combination of hydrometallurgical and electrochemical processes. The focus is on copper recovery as the main component in the leached solution, whereas the antimony recovery process was established as a purification step in order to achieve a highly pure copper

More
[randpic]

Pyrometallurgy an overview | ScienceDirect Topics

Wang et al. used PVC and other additives (Fe, Fe 2 O 3, KOH, and many more) for the grinding of LiCoO 2.The ground mixture consisted of Li in the form of LiCl, Co in the form of magnetically separable CoFe x O y.Li was 100% converted into LiCl with the zero-valent Fe additive (Wang et al., 2017).Liu et al. treated LiCoO 2 (spent from LIBs) and PVC by the subcritical water oxidation, where PVC

More
[randpic]

BACKGROUND REPORT PRIMARY ZINC SMELTING Prepared

only pyrometallurgical technique utilized by the U.S. primary zinc industry now and in the foreseeable future. Product sinter and possibly secondary zinc materials are charged with coke to an electric retort furnace. The charge moves downward from a rotary feeder in the furnace top into

More
[randpic]

A New Pyrometallurgical Process for Producing Antimony

Jun 06, 2014· Antimonial dust is a by-product of lead smelting and an important material for extracting antimony. A new pyrometallurgical process for producing antimony white from the antimonial dust is reported. The process mainly consists of three steps, which are reduction smelting, alkaline refining, and blowing oxidation. First, the reduction smelting of antimonial dust is carried out in an oxygen-rich

More
[randpic]

A New Pyrometallurgical Process for Producing Antimony

Antimonial dust is a by-product of lead smelting and an important material for extracting antimony. A new pyrometallurgical process for producing antimony white from the antimonial dust is reported.

More
[randpic]

Antimony | Sb PubChem

The antimony content of commercial ores ranges from 5 to 60%, and determines the method of treatment, either pyrometallurgical or hydrometallurgical. In general, the lowest grades of sulfide ores, 5-25% antimony , are volatilized as oxides; 25-40% antimony ores are smelted in a blast furnace; and 45-60% antimony ores are liquated or treated by

More
[randpic]

smelting process for antimony vooronzevrijescholen.nl

The antimony smelting techniques that have been developed in Xikuangshan are typical of smelters in China. Traditional smelting methods have been improved since the 1940s, but several novel achievements have been introduced in recent years. A New Pyrometallurgical Process for Producing Antimony

More
[randpic]

(PDF) Hydrometallurgically Treating Antimony-Bearing

This paper outlines techniques for treating antimony-containing wastes and offers examples of applications for those wastes and by-products. where the pyrometallurgical antimony

More
[randpic]

US3986943A Hydrometallurgical process for the production

A hydrometallurgical process for pollution-free recovery of metallic antimony from stibnite and other antimony-containing materials by (a) reduction of ferric chloride by such materials to produce ferric chloride and antimony (III) chloride, (b) recovery of metallic antimony, preferably by electrolysis, (c) regeneration of the ferric chloride, and (d) purge of impurities.

More
[randpic]

BACKGROUND REPORT PRIMARY ZINC SMELTING Prepared

only pyrometallurgical technique utilized by the U.S. primary zinc industry now and in the foreseeable future. Product sinter and possibly secondary zinc materials are charged with coke to an electric retort furnace. The charge moves downward from a rotary feeder in the furnace top into

More
[randpic]

A pyrometallurgical alternative: The refining electrolysis

In refining electrolysis in hexafluorosilic acid with current densities of 100 A/m2, it is possible to separate bismuth and antimony from prerefined lead bullion. Pure lead with less than 50 ppm bismuth and less than 100 ppm antimony was deposited at the cathode. The current efficiency was 99%, and the specific energy consumption was 30–40 kWh/t. Under the same conditions, a lead-tin alloy

More
[randpic]

23.2: Pyrometallurgy Chemistry LibreTexts

Figure \(\PageIndex{6}\): The top path is the pyrometallurgical process of smelting zinc and the bottom path is the electrolytic process. from Wikipedia. Zinc ores usually contain zinc sulfide, zinc oxide, or zinc carbonate. After separation of these compounds from the ores, heating in air converts the ore to zinc oxide by one of the following

More
[randpic]

US8211207B2 Process for refining lead bullion Google

A unique pyrometallurgical lead refining process includes adding a Lewis acid component and an Arrhenius base compound to a molten lead bullion. The Lewis acid component and Arrhenius base compound are added in stoichiometric amounts that preferentially remove lighter amphoteric elements from the molten lead bullion, and promote reactions with amphoteric p-block elements in the lead

More
[randpic]

refining copper refining techniques

Lead Refining Plant:(Pyrometallurgical techniques) 2015-6-24 · Lead Refining Plant:(Pyrometallurgical techniques) The Lead Bullion is fed into a refining kettle. Lead bullion contains many other metallic impurities including antimony, arsenic, copper, tin and zinc. Refining Process of Lead in Detail: a. Removal of Copper Copper is

More
[randpic]

The metallurgy of antimony ScienceDirect

Jul 17, 2012· Antimony has been produced from ores in over 15 countries. As shown in Table 2 (Carlin, 2012), world reserves of antimony are estimated to about 1.8 million metric tonnes.As China, the leading producer, accounts for about 90% of the world's mined production and the vast majority of the reserve base (i.e. reserves consist of demonstrated resources that are currently economic.

More
[randpic]

Hydrometallurgical Upgrading of a Tetrahedrite-rich Copper

shipping weight. Furthermore, it is essential that the antimony and arsenic should be removed by a technique which minimises pollution control problems and produces arsenic as a waste product suitable for landfill while antimony is recovered as a marketable products; and consequently upgrades the ore concentrates for pyrometallurgical treatment.

More
[randpic]

12.3 Primary Copper Smelting United States Environmental

A typical pyrometallurgical copper smelting process, as illustrated in Figure 12.3-1, includes 4 steps: roasting, smelting, concentrating, and fire refining. Ore concentration is roasted to reduce impurities, including sulfur, antimony, arsenic, and lead. The roasted product, calcine, serves as a dried and heated charge for the smelting furnace.

More
[randpic]

A pyrometallurgical alternative: The refining electrolysis

In refining electrolysis in hexafluorosilic acid with current densities of 100 A/m2, it is possible to separate bismuth and antimony from prerefined lead bullion. Pure lead with less than 50 ppm bismuth and less than 100 ppm antimony was deposited at the cathode. The current efficiency was 99%, and the specific energy consumption was 30–40 kWh/t. Under the same conditions, a lead-tin alloy

More
[randpic]

The metallurgy of antimony ScienceDirect

Jul 17, 2012· Antimony has been produced from ores in over 15 countries. As shown in Table 2 (Carlin, 2012), world reserves of antimony are estimated to about 1.8 million metric tonnes.As China, the leading producer, accounts for about 90% of the world's mined production and the vast majority of the reserve base (i.e. reserves consist of demonstrated resources that are currently economic.

More
[randpic]

(PDF) Hydrometallurgically Treating Antimony-Bearing

This paper outlines techniques for treating antimony-containing wastes and offers examples of applications for those wastes and by-products. where the pyrometallurgical antimony

More
[randpic]

Minerals | Free Full-Text | Behavior of Tin and Antimony

Different types of metal-bearing wastes, such as WEEE (Waste Electrical and Electronic Equipment), are important urban minerals in modern society, and the efficient recycling and reuse of their metal values is of key interest. Pyrometallurgical copper smelting is one of the most prominent ways of treating WEEE, however, more accurate experimental data is needed regarding the behavior of

More
[randpic]

US3986943A Hydrometallurgical process for the production

A hydrometallurgical process for pollution-free recovery of metallic antimony from stibnite and other antimony-containing materials by (a) reduction of ferric chloride by such materials to produce ferric chloride and antimony (III) chloride, (b) recovery of metallic antimony, preferably by electrolysis, (c) regeneration of the ferric chloride, and (d) purge of impurities.

More
[randpic]

Pyrometallurgical Routes for the Recycling of Spent

Oct 16, 2019· Abstract. Renewable energy is the final solution to mitigate climate change resulted from the burning of fossil fuels that produces large quantities of greenhouse gases [1, 2, 3].Among various forms of renewable energies, wind and solar represent the most promising candidates in the next few decades [].However, the wind and solar energies are intrinsically intermittent, i.e., the sun does not

More
[randpic]

BACKGROUND REPORT PRIMARY ZINC SMELTING Prepared

only pyrometallurgical technique utilized by the U.S. primary zinc industry now and in the foreseeable future. Product sinter and possibly secondary zinc materials are charged with coke to an electric retort furnace. The charge moves downward from a rotary feeder in the furnace top into

More
[randpic]

Hydrometallurgical Upgrading of a Tetrahedrite-rich

shipping weight. Furthermore, it is essential that the antimony and arsenic should be removed by a technique which minimises pollution control problems and produces arsenic as a waste product suitable for landfill while antimony is recovered as a marketable products; and consequently upgrades the ore concentrates for pyrometallurgical treatment.

More
[randpic]

US8211207B2 Process for refining lead bullion Google

A unique pyrometallurgical lead refining process includes adding a Lewis acid component and an Arrhenius base compound to a molten lead bullion. The Lewis acid component and Arrhenius base compound are added in stoichiometric amounts that preferentially remove lighter amphoteric elements from the molten lead bullion, and promote reactions with amphoteric p-block elements in the lead bullion

More
[randpic]

Hydrometallurgical process for treating alloys and drosses

A hydrometallurgical method involves treating a dross source containing typically both antimony and tin and treating the dross to a series of chemical operations to yield a soft lead precursor, suitable for making soft lead for lead-based alloys for batteries or other applications, which method includes utilizing sulfuric acid to decompose the dross source to provide a slurry in which the

More
[randpic]

30 Egypt.J.Chem. Vol. 62 World Health Organization

Pyrometallurgical techniques. oxides and intermetallic compounds as a slag of refining. A refined zinc containing 0.5 wt % Fe was obtained by adding 0.4 wt% Al at 700 ºC after 2h of refining. Huajun, et al. investigated the electrorefining of zinc dross in NH 3 –NH 4 Cl system [8]. In order to obtain a high recovery ratio of zinc dross and

More
[randpic]

liquidation of antimony ore | worldcrushers

Antimony metal is recovered from ore primarily by pyrometallurgical techniques. liquation (metallurgy) — Britannica Online Encyclopedia It was formerly used for extracting antimony minerals from ore and for separating silver from copper with the use of lead as a solvent.

More
[randpic]

in Acidic Media, at Ambient Temperature and Atmospheric

to concentrate by pyrometallurgical techniques [7], either because Copper is found in such low Antimony, Mercury, etc. [13]. Another advantage is its simplicity, a series of parameters must be controlled periodically for its success but its implementation is simple and easy to maintain [14]—in short, its robustness as a

More
[randpic]

Waste Management & Research An effective separation

zinc, lead, bismuth, tin, indium, silver, and antimony. Hence, recovery of the valuable metals from the arsenic-containing copper smelting ashes is very attractive. However, the effective separation between arsenic and valuable metals is a key prob-lem in the process. Pyrometallurgical and hydrometallurgical techniques are usu-

More

Contact

When we get your inquiries, we will send tailored catalogue, pricelist, delivery, payment terms and other,required details to you by email within 24 hours..