صفحة رئيسية | المنتجات

رسالة على الانترنت
المزيد من المعلومات

refining crude antimony oxide

Antimony and arsenic substance flow analysis in antimony ...

2023年7月1日  The results show that the resource efficiency of antimony is 89.21%, and the recovery rates of antimony in volatilization smelting, reduction smelting, and refining are

خبير الاتصال

Fire Refining of Rough Antimony from Impurities for

2022年2月1日  Thus, according to thermal studies of the interaction between antimony with impurities and a refining flux, antimony oxide does not interact with sodium phosphorus

خبير الاتصال

Separation of Lead from Crude Antimony by Pyro-Refining

2016年4月18日  The main purpose of this study was to separate lead from crude antimony through an oxidation pyro-refining process and by using sodium metaphosphate as a

خبير الاتصال

Antimony and gold substance flows analysis of

2023年9月25日  Refined antimony was obtained by reducing, smelting, and refining the antimony oxide from cupellation furnace to remove arsenic and lead.

خبير الاتصال

Separating lead–antimony alloy by fractional crystallization

2015年7月5日  In the current widely used pyrometallurgy method, the lead–antimony alloy is converted to crude lead bullion and antimony oxide powder after blowing smelting in

خبير الاتصال

A New Pyrometallurgical Process for Producing

2014年6月6日  34 Citations Explore all metrics Abstract Antimonial dust is a by-product of lead smelting and an important material for extracting antimony. A new pyrometallurgical process for producing antimony white

خبير الاتصال

A New Pyrometallurgical Process for Producing Antimony

2014年6月6日  Antimonial dust is a by-product of lead smelting and an important material for extracting antimony. A new pyrometallurgical process for producing antimony white

خبير الاتصال

Melting of crude antimony in the low-tonnage production

2019年10月30日  Iron turnings (steel or cast iron) are used in melting as a precipitator. During the precipitation smelting coal or coke are used as reducing agents, which

خبير الاتصال

Fire Refining of Rough Antimony from Impurities for

2022年2月1日  Tin is oxidized in the system to form refining compounds and slagged in the oxide form. A loss of antimony with the slag phase was determined to be a consequence

خبير الاتصال

Tin Metallurgy SpringerLink

2023年6月7日  This includes three processes: pre-smelting treatment of tin concentrate, reduction smelting, and crude tin refining. Pre-Smelting Treatment of Tin Concentrate. The processes such as roasting, magnetic separation, leaching, and sintering are used to reduce or remove the impurities such as sulfur, arsenic, antimony, lead, iron, and tungsten.

خبير الاتصال

A Review on Pyrometallurgical Extraction of Antimony from

2022年8月12日  Crude antimony that is produced from any of the upstream processes, is impure and requires further refining to meet commercial and technical criteria; typically ≥99% purity with ≤0.3% arsenic . In addition to arsenic, the other main impurities in crude antimony are lead, copper, iron, and sulfur . Removal of impurities with chemical ...

خبير الاتصال

(PDF) Removal of lead from crude antimony by using NaPO3

2015年1月1日  Thermogravimetric researches of process of recovery melting of the furnace charge consisting of an antimony concentrate, lead oxide and coke as a result of which it is established that process of ...

خبير الاتصال

A New Pyrometallurgical Process for Producing Antimony

2014年6月6日  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

خبير الاتصال

Antimony Metallurgy SpringerLink

2023年6月7日  The powdery crude antimony trioxide is reduced by a carbonaceous reductant in a reverberatory furnace at 1,000–1,200 °C to produce crude antimony. Crude antimony can be produced by the precipitation smelting process. The typical pyrometallurgical antimony production process using sulfide ore is shown in Fig. 1.

خبير الاتصال

Separating lead–antimony alloy by fractional crystallization

2015年7月5日  In the current widely used pyrometallurgy method, the lead–antimony alloy is converted to crude lead bullion and antimony oxide powder after blowing smelting in the reverberatory furnace. Our work simplified this procedure by using fractional crystallization method to treat lead–antimony alloy. Some clear comparisons are shown in Table 1 ...

خبير الاتصال

Separation of antimony from lead-antimony alloy by molten

2022年10月15日  Since antimony (Sb) is a common alloying element in Pb alloy grid such as the Pb-Sb alloy, separating Sb from the recovered Pb is necessary. ... an efficient separation and purification technology is urgently needed to treat the crude Pb recovered from spent LABs. The pyrometallurgical separation of Sb from Pb includes the oxidation

خبير الاتصال

Removing antimony from waste lead storage batteries alloy

2018年4月5日  Generally, removal of antimony from high-antimony lead bullion was treated in reference to the refining process of crude lead with lower antimony content. At present, lead produced by the pyrometallurgical refining process accounts for about 70% of the refined lead in the world and only some of countries, such as Canada, Peru, Japan and

خبير الاتصال

Fire Refining of Rough Antimony from Impurities for

2022年2月1日  As a result of research, a method for fire refining of rough antimony was developed to obtain a high-grade metal with a content of not less than 99.65% Sb and not more than 2000 ppm Pb versus (1.4 ...

خبير الاتصال

A New Pyrometallurgical Process for Producing Antimony

2014年9月1日  The main purpose of this study was to separate lead from crude antimony through an oxidation pyro-refining process and by using sodium metaphosphate as a lead elimination reagent.

خبير الاتصال

Separation of Lead from Crude Antimony by Pyro-Refining

2016年4月18日  The main purpose of this study was to separate lead from crude antimony through an oxidation pyro-refining process and by using sodium metaphosphate as a lead elimination reagent. The process parameters that will affect the refining results were optimized experimentally under controlled conditions, such as the sodium

خبير الاتصال

Refining SpringerLink

2021年6月23日  Refining of crude nickel by the Mond carbonyl process is based on this principle. During extraction of nickel, a sulfide ore [pentlandite (NiFe) 9 S 8 ] containing about 1–3% Ni and some Co, Cu, and Fe is processed to obtain Ni 3 S 2 , which is dead roasted to nickel oxide.

خبير الاتصال

Antimony and Antimony Compounds - Grund - Major

2006年7月15日  Refining and fine purification techniques are used for production of pure antimony metal. There is growing demand for extremely pure antimony. Antimony oxide is being used as flame retardant in increasing quantities. Antimony is a component of many lead and tin alloys, which are important materials for making bearings and solders.

خبير الاتصال

Antimony and Antimony Compounds - Grund - Wiley Online

2006年7月15日  Refining and fine purification techniques are used for production of pure antimony metal. There is growing demand for extremely pure antimony. Antimony oxide is being used as flame retardant in increasing quantities. Antimony is a component of many lead and tin alloys, which are important materials for making bearings and solders.

خبير الاتصال

Antimony and gold substance flows analysis of

2023年9月25日  The proportion of gold entering antimony oxide, precious antimony, antimony matte and water-quenched slag in the blast furnace was 8.4%, 84%, 6.7% and 0.9%, respectively. ... smelting, and refining the antimony oxide from cupellation furnace to remove arsenic and lead. ... Crude antimony contained 80% of antimony, then 1 tonne of

خبير الاتصال

Studies on the Recovery of Secondary Antimony

2022年11月25日  In this process antimony oxide, Sb 4O 6(g), was separated from the MOV residue leaving zinc oxide and other metals including bismuth, cobalt, manganese, and nickel. The volatilized Sb 4O 6 can be recovered through condensation from the gaseous state. Two MSWI fly ash samples were used (1) untreated and (2) HALOSEP-treated fly

خبير الاتصال

Bismuth-Production, Properties, and Applications

2017年8月29日  mined, the refining processes are in­ variably identical. Only a small portion, perhaps 0.5%, of current world produc­ tion is available from mines worked spe­ cifically for bismuth ore. Table IV is a survey of the processes available for extracting the bismuth as bullion. When bismuth concentrate, typically oxide or JOM • June 1992

خبير الاتصال

R[LGHRQUHGXFWLRQRI

antimony sulfide well used as a glass colorant and is known as “antimony ruby”. The creation of complex Sb2O3.Sb2S3 occurs when the glass is reheated up to 700°C after casting [6]. The presence of cerium, antimony or arsenic oxide in a glass that already contains a coloring polyvalent ion may change the resulting color of such a glass.

خبير الاتصال

Selective removal of arsenic from crude antimony

2021年10月1日  This work uses a nitric acid leaching method to remove As from crude antimony trioxide. Arsenic oxide and antimony oxide are respectively converted to soluble H3AsO4 and insoluble antimony (III ...

خبير الاتصال
<< Previous:المحجر الزراعي في زاخو
>> Next:تحت الأرض مصنعي كسارة تحت الأرض في جنوب أفريقيا
المزيد من المعلومات