Smelting Stibnite Ores

stibnite using this method. Furthermore, when the ores contain precious metals and copper, the hydrometallur-gical methods fail to achieve satisfactory recoveries of these metals.[5,10,13,14] There are some improved methods, such as direct reducing-matte smelting of stibnite concentrate in pyro-metallurgy, and electrowinning of antimony in hydro-

THE leading antimony mineral is stibnite. In smelting stibnite ore two processes are available, precipitation and roasting-reduction. The former is suited only for high-grade ores. As low …

To eliminate the adverse effect of antimony on extracting of gold in matte smelting process from Sb-bearing refractory gold ores, the sodium sulfide leaching method was proposed to selectively remove antimony in advance. ... etc.), it can be detected that the antimony in refractory gold ores is mainly in form of stibnite with small quantities ...

This process relies on the volatility characteristics of antimony xide. In the process, high-grade stibnite is concentrated by blast furnace volatilization smelting to obtain high purity antimony xide, then the collected antimony oxide powder is placed in a reverberatory furnace for the reduction smelting preparation of antimony metal.

A new process for one-step extraction of antimony in low temperature from stibnite concentrate by reductive sulfur-fixation smelting in sodium molten salt, using iron oxide as sulfur-fixing agent ...

The only known matches for the isotopic composition of the glass are stibnite ores from the Racha-Lechkumi district in the Caucasus (present-day Georgia), near the Zopkhito Au–Sb deposits, mined ...

There are two main types of modern antimony production methods—pyrometallurgy and hydrometallurgy [1,2,3].At present, the former is the main. The vast majority of antimony smelting enterprises have been using the traditional blast furnace volatile–reverberatory furnace reduction process, which is of low environmental protection, …

A new process to extracted antimony directly from stibnite concentrate by reductive sulfur-fixation smelting in sodium molten salt has been presented.

Abstract: The molten salt metallurgy of Sb, which involves the smelting of stibnite in a binary NaCl-Na2CO3 salt with sulfur-fixing and the addition of a reductant, has been proposed as...

Generally, in traditional antimony smelting, stibnite concentrate is first oxidized to the volatile xide in the "Oxidation" area in Fig. 3, and the antimony xide is

The antimonial dust that produced from lead smelting process is an important secondary antimony resource. The different process that was adopted to extract antimony depends on the different raw materials. The process of blast furnace volatilization smelting is mainly used to treat stibnite and antimony-gold ores.

The process of blast furnace volatilization smelting is mainly used to treat stibnite and antimony-gold ores. But jamesonite is treated by the process of roasting-sintering-blast …

Antimony mining and smelting activities produce residues that frequently contain high levels of Sb in the form of sulfides, such as stibnite (Sb 2 S 3). The residues are readily oxidized when exposed to air and meteoric water and can release Sb into the aquatic ecosystem (Casiot et al., 2007).

Separation of antimony from a stibnite concentrate through a low-temperature smelting process to eliminate SO 2 emission

Stibnite-bearing ores continue to be the main source of this critical element, although its sourcing from secondary resources (e.g. mine tailings) is becoming increasingly relevant yet technically challenging. In this sense, froth flotation plays a key role in the recovery of stibnite from both sources. ... hydrolysis–low temperature smelting ...

The only known matches for the isotopic composition of the glass are stibnite ores from the Racha-Lechkumi district in the Caucasus (present-day Georgia), near the Zopkhito Au–Sb deposits, mined from the 17th century BCE. Conversely, the Sb metal beads represent several isotopic and trace element compositional groups, only one of which ...

The leading antimony mineral is stibnite. In smelting stibnite ore two processes are available, precipitation and roasting-reduction. The former is suited, only for high-grade ores. …

The antimonial dust that produced from lead smelting process is an important secondary antimony resource. The different process that was adopted to extract antimony depends on the different raw materials. The process of blast furnace volatilization smelting is mainly used to treat stibnite and antimony-gold ores.

The flotation behavior, smelting process, various properties of jamesonite (Pb4FeSb6S14) and application of its extraction products were introduced.

Sb is mainly used for manufacturing alloys, semiconductor optoelectronic devices, and Sb compounds [1,2].More than 80% of the world's Sb is produced in China [].Stibnite (Sb 2 S 3)and jamesonite (Pb 4 FeSb 6 S 14) are the two main raw …

Smelting is a method of obtaining refined goods from raw materials by heating in a furnace, blast furnace, smoker or campfire. For example, raw iron can be smelted to produce iron ingots using coal as fuel. Like crafting, smelting uses recipes to determine what item is produced, but its recipes are simpler. Smelting also yields experience. The furnace, blast furnace, and smoker …

A high leaching rate of antimony from stibnite concentrate is obtained. ... High-grade antimony oxides are commercially produced from sulfide ores by the processes of roasting in a blast furnace and volatilizing/reducing ... how Sb and As are purged from a high-silver copper concentrate before smelting. Eng. Min. J., 183 (1) (1982), pp. 78-83 ...

Stibnite-bearing ores continue to be the main source of this critical element, although its sourcing from secondary resources (e.g. mine tailings) is becoming increasingly relevant yet technically ...

Some antimony is produced as a by-product of smelting ores of other metals, mainly gold, copper and silver, in countries such as the United States, Canada, and Australia. Important amounts of antimony are yielded as a by-product of copper and silver mining. Numerous stibnite deposits occur in Idaho, Montana and Nevada.

The main purpose of this study is to characterize and separate antimony from a stibnite concentrate through a low-temperature sulfur-fixing smelting process. This article reports on a study conducted on the optimization of process parameters, such as flux and zinc oxide weight percentage, in charging, smelting temperature, smelting duration on the antimony yield, …

Recently, intensified smelting approaches such as oxygen-rich bottom-and top-blowing bath smelting were developed for the stibnite oxidation and volatilization to produce antimony oxide (Liu et al ...

A new metallurgical process for smelting nonferrous metals without pollution of sulfur dioxide has been proposed Nonferrous metals sulfide ores or concentrates and sulfur bearing materials are ground and mixed with reducing agent, matte making agent and additives, and then the mixture is smelted at 1000～1300℃ Nonferrous metals or their alloys can be obtained in single step …

Those types of gold ores which most frequently require roasting include ores carrying arsenopyrite, stibnite, sulphotellurides, and pyrrhotite. Straight pyritic ores, where the pyrite is present in small quantities, usually yield their gold to fine grinding and cyanidation alone. ... and also by smelting with lead, but there are economic and ...

However, the traditional pyrometallurgical process produces a large quantity of pollution in the smelting process of antimony sulfide ores with low sulfur content. ... Stibnite concentrates have excellent microwave-absorption performances under a microwave field, and can reach the temperature required for the reduction reaction in a short time ...

The leading antimony mineral is stibnite. In smelting stibnite ore two processes are available, precipitation and roasting-reduction. The former is suited only for high-grade ores. As low …