c22b 30 obtaining antimony arsenic or bismuth


C22B 30 - Obtaining antimony, arsenic or bismuth - Patents . - GooglePatents for C22B 30 - Obtaining antimony, arsenic or bismuth (1,043). 02/2015. 02/24/2015, US8960444 Method for separating arsenic mineral from copper-bearing material with high arsenic grade. 02/04/2015, CN104328289A A vacuum refining process of crude antimony lead.c22b 30 obtaining antimony arsenic or bismuth,c22b 30 obtaining antimony arsenic or bismuth,CPC Definition - C22B PRODUCTION AND REFINING OF METALS .C22B also possesses groups for obtaining metals including obtaining metals by chemical processes, and obtaining metal compounds by metallurgical processes. . Furthermore, although compounds of arsenic and antimony are classified in C01G, production of the elements themselves is covered by C22B, as well as the.US6495024B1 - Method for the removal of arsenic from sulfuric acid .In the extraction process arsenic can be obtained as a diluted arsenic acid-sulfuric acid solution, out of which arsenic is to be precipitated. The problem with the process is that the antimony and bismuth contained in the electrolyte precipitate at the extraction stage, and the precipitation produced thereby disturbes the.

Request for Quotation

US3944653A - Process for preparing high purity antimony trichloride .

C22B30/02 Obtaining antimony . In certain regions of the United States, for instance, the arsenic content of the ore can be as high as about 10 percent and such ores have not been, heretofore, . Several processes are generally employed for obtaining antimony or antimony derivatives from antimony sulfide bearing ores.

US7498006B2 - Process for extracting gold in arsenic-containing .

When arsenic vapor and vapor were generated in the furnace, they would cause the splash of molten materials and produce large quantity of dust polluting the arsenic product and hard to get qualified arsenic (4) Arsenic content in the slag was up to 10-18%, which brought not only low arsenic recovery, but also the problem.

Evaluation of the Content of Antimony, Arsenic, Bismuth, Selenium .

Apr 11, 2017 . Baby foods, from the Spanish market and prepared from meat, fish, vegetables, cereals, legumes, and fruits, were analyzed to obtain the concentration of antimony (Sb), arsenic (As), bismuth (Bi), and tellurium (Te) as toxic elements and selenium (Se) as essential element. An analytical procedure was.

US5573739A - Selective bismuth and antimony removal from .

Typical impurities are precious metals, nickel, lead, iron, selenium, tellurium, arsenic, antimony and bismuth. Most of the impurities form an insoluble slime which falls to the bottom of the cell and is normally treated for by-product metal recovery. However, some of these impurities, notably antimony and bismuth, are soluble.

US5290338A - Antimony separation process - Google Patents

Additionally, feed material having a high weight ratio of soluble arsenic to soluble antimony may be pretreated, if desired, to improve the purity of the . It is desirable during leaching to obtain an antimony product in its +5 state rather than its +3 state (i.e., as sodium thioantimonate rather than sodium thioantimonite). This is.

melting antimony in a induction furnace

C22B 30 - Obtaining antimony, arsenic or bismuth - Patents Sitemap- melting antimony in a induction furnace ,10/17/2012, CN102732732A Method for … Email Get Price. Vacuum Induction Melting (VIM-VIDP) Furnaces for … Vacuum Induction Melting (VIM-VIDP) Furnaces for Charge Weights from 1 kg up to 30 tons.

Bismuth - Wikipedia

Bismuth is a chemical element with symbol Bi and atomic number 83. Bismuth, a pentavalent post-transition metal and one of the pnictogens, chemically resembles its lighter homologs arsenic and antimony. Elemental bismuth may occur naturally, although its sulfide and oxide form important commercial ores. The free.

C22B 30 - Obtaining antimony, arsenic or bismuth - Patents . - Google

Patents for C22B 30 - Obtaining antimony, arsenic or bismuth (1,043). 02/2015. 02/24/2015, US8960444 Method for separating arsenic mineral from copper-bearing material with high arsenic grade. 02/04/2015, CN104328289A A vacuum refining process of crude antimony lead.

CPC Definition - C22B PRODUCTION AND REFINING OF METALS .

C22B also possesses groups for obtaining metals including obtaining metals by chemical processes, and obtaining metal compounds by metallurgical processes. . Furthermore, although compounds of arsenic and antimony are classified in C01G, production of the elements themselves is covered by C22B, as well as the.

CPC Scheme - C22B PRODUCTION AND REFINING OF METALS .

In this subclass, groups for obtaining metals include obtaining the metals by non-metallurgical processes, and obtaining metal compounds by metallurgical . Furthermore, although compounds of arsenic and antimony are classified in C01G, production of the elements themselves is included in C22B, as well as the.

US3944653A - Process for preparing high purity antimony trichloride .

C22B30/02 Obtaining antimony . In certain regions of the United States, for instance, the arsenic content of the ore can be as high as about 10 percent and such ores have not been, heretofore, . Several processes are generally employed for obtaining antimony or antimony derivatives from antimony sulfide bearing ores.

c22b 30 obtaining antimony arsenic or bismuth,

US6495024B1 - Method for the removal of arsenic from sulfuric acid .

In the extraction process arsenic can be obtained as a diluted arsenic acid-sulfuric acid solution, out of which arsenic is to be precipitated. The problem with the process is that the antimony and bismuth contained in the electrolyte precipitate at the extraction stage, and the precipitation produced thereby disturbes the.

US7498006B2 - Process for extracting gold in arsenic-containing .

When arsenic vapor and vapor were generated in the furnace, they would cause the splash of molten materials and produce large quantity of dust polluting the arsenic product and hard to get qualified arsenic (4) Arsenic content in the slag was up to 10-18%, which brought not only low arsenic recovery, but also the problem.

Evaluation of the Content of Antimony, Arsenic, Bismuth, Selenium .

Apr 11, 2017 . Baby foods, from the Spanish market and prepared from meat, fish, vegetables, cereals, legumes, and fruits, were analyzed to obtain the concentration of antimony (Sb), arsenic (As), bismuth (Bi), and tellurium (Te) as toxic elements and selenium (Se) as essential element. An analytical procedure was.

US5573739A - Selective bismuth and antimony removal from .

Typical impurities are precious metals, nickel, lead, iron, selenium, tellurium, arsenic, antimony and bismuth. Most of the impurities form an insoluble slime which falls to the bottom of the cell and is normally treated for by-product metal recovery. However, some of these impurities, notably antimony and bismuth, are soluble.

Bismuth - Wikipedia

Bismuth is a chemical element with symbol Bi and atomic number 83. Bismuth, a pentavalent post-transition metal and one of the pnictogens, chemically resembles its lighter homologs arsenic and antimony. Elemental bismuth may occur naturally, although its sulfide and oxide form important commercial ores. The free.

Pre:how is line used grinding machine in china
Next:bullion desk home of free gold news and bullion