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·Wang Hao Tian Qinghua Xin Yuntao et on the process of pretreatment of refractory gold ores containing antimony by ozonation leaching[J] Gold Science and Technology 2016 24（4）：154 159 18
·The antimony ore hand selection process is carried out by using the difference in color luster and shape of the antimony containing minerals in the antimony ore and the gangue Although this method is primitive and labor intensive it still has special meaning for antimony ore beneficiation
·Heavy media beneficiation is a pre selection operation for antimony ores Except for antimony ores containing geode structures heavy media beneficiation technology can be used The selection of weighting agent preparation and recovery of media will all affect the effectiveness of heavy media beneficiation technology 04 Antimony ore flotation
·To avoid the adverse effects of antimony on the cyanide leaching process used for the recovery of gold from refractory gold ore a cleaner production process was proposed that would selectively remove antimony as sodium pyroantimonate The process included three steps 1 leaching of antimony from the refractory gold ore with sodium sulfide solution; 2 pressure
·containing 5 % 25 % antimony It is often used to remove antimony from ores and concentrates containing gold The use of one or another method of processing antimony containing ores and concentrates depends on the antimony content in them and its form of location Table 1 Antimony metallurgy is intended for the production
·The antimony dissolves in cyanide solution to form antimonates which retards gold dissolution Gold ores containing stibnite are usually pro cessed at a pH lower than 10 to avoid the
·Cyanidation tests on two ore samples from two different gold deposits are reported The first sample contained ppm gold with high arsenic and antimony
·The antimony rich froth is collected and further processed to obtain a concentrated antimony product Flotation Machines 3 Hydrometallurgical Techniques Hydrometallurgical techniques involve the use of aqueous solutions to extract antimony from its ores These techniques are often employed for low grade ores or complex ore compositions
·A comprehensive characterization of Sb containing metallurgical residues is essential to develop efficient and clean technologies to recover Sb and other associated metals This paper reports a complete characterization of three typical Sb containing metallurgical residues namely crude antimony trioxide lead softening slag and antimony slag
·After extraction of the antimony and arsenic in vacuum thermal processing of the gold containing antimony ores of Zopkhito deposit [8] remains the residue containing g/t gold and 12g/t silver As a result of researches the optimum mode of leaching the finely ground mm residue with thiourea was established composition of the
In this study it was aimed to produce an antimony concentrate with high Sb and low As content by flotation 2 Materials and methods This study was carried out to produce a high quality antimony concentrate >60% Sb and <% As from high As content antimony ore taken from the field with the most important antimony reserve in Turkey
·Many countries will have to rely on recovering antimony from refractory ores and metallurgical residues For the purpose of efficient and selective antimony recovery with minimal economic cost and environmental impact researchers proposed various innovative pyrometallurgical hydrometallurgical and electrochemical processes
The Crossword Solver found 30 answers to "The arsenides and antimonides that form when ores containing arsenic or antimony are smelted" 6 letters crossword clue The Crossword Solver finds answers to classic crosswords and cryptic crossword puzzles Enter the length or pattern for better results Click the answer to find similar crossword clues
·The existence of elevated levels of antimony Sb in soils sediments surface/ground water and biological systems have received considerable attention worldwide in the present decade due to its adverse consequences on human food chain drinking and irrigation water sources as well as agricultural crop productivity Ahmad et al 2014 Cai et al 2016a
·Luptakova et al 2008 investigated the use of At ferrooxidans in the bioleaching of an ore containing stibnite pyrite and quartz among other minerals The tests were carried out in a batch reactor at 30 °C and pH for 120 days During the first 7 days a gradual increase in the antimony concentration was reported attaining approximately 70 mg/L followed by a
·Finally in case of the high grade ores containing 45 60% Sb antimony is extracted by liquation and/or iron precipitation The final products from the previous processes are treated by refining with NaOH to produce pure Sb metal by removing the undesirable elements such as arsenic
·ASL technology was successful in the selective removal of mercury antimony and arsenic from the Eskay Creek whole ores and concentrates This provide a clean copper smelter feed
·Lastly antimony raw materials such as antimony sulfide Sb 2 S 3 containing 45 60% antimony are liquefied by heating at 550 600 °C after which it is reduced to pure antimony metal Historically SO 2 release has been a major concern when smelting sulfidic ores especially those containing antimony and arsenic as they are easily
·Ores and concentrates containing stibnite have also been treated by roasting This is generally required if significant amounts of the gold are present in a truly refractory form such as associated with arsenopyrite or as aurostibite For ores containing small amounts of antimony with the gold present in a non occluded form pre aeration
Speiss definition a product obtained in smelting certain ores consisting of one or more metallic arsenides as of iron or See examples of SPEISS used in a sentence
·Orogenic antimony gold deposits contribute significantly to the global antimony resource base China s orogenic antimony gold deposits are primarily in southern Tibet Investigations indicate that antimony combines and migrates with sulfur hydroxides in ore forming fluids Previous research on fluid inclusions in orogenic antimony gold ores with sedimentary
·ORES SLAG AND ASH Slag ash and residues other than from the manufacture of iron or steel containing arsenic metals or their compounds Containing antimony beryllium cadmium chromium or their mixtures 26209100
·Antimony is also found in mixed sulphide ores in Kassandra Olympias and Stratoni mines Chalkidiki North Greece mainly in the form of mixed lead sulphides which are collected together with
·Arsenic and antimony are classed as metalloids or semimetals and bismuth is a typical β subgroup post transition element metal like tin and lead This chapter further discusses the abundance distribution and extraction of arsenic antimony and bismuth Indeed complex ores containing Pb Cu Ag and Hg are an important industrial
