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西藏某含高砷锑金矿石浮选回收锑金试验研究徐彪1,王鹏程1,谢建宏1(1.陕西省西安市西安建筑科技大学材料科学与工程学院)摘 要:对西藏某含高砷锑金矿石进行了选矿试验研究.试验采用的工艺流程:优先浮选锑,使锑砷分离,从分离浮选后的尾矿中回收金.试验指标:锑精矿品位63.30%(含As 0.48%,Pb 0.14%),锑回收率59.74%;金精矿品位9.08 g/t,金回收率88.19%.试验获得的锑精矿达到一级品级,并充分回收了金.关键词:浮选; 锑砷分离; 抑制剂; 金; 回收率......
in depressing marmatite, jamesonite and pyrite. The combinations of these functional groups still cannot enhance the depressing ability of organic depressant. The thioglycollic acid containing reductive... words: marmatite; pyrite; organic depressant; frontier orbital 1 Introduction In the flotation separation of sulphide minerals, besides the traditional inorganic depressants (such as lime, NaCN......
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; depressing effect; depressant; phenoxyl acetic acid; calcite; serpentine 1 Introduction Phenol and polyphenols, such as diphenol, pyrogallol... and HCl to proper value, stirring for 2 min after addition of the depressant, 2 min after addition of collector of sodium oleate, and 3 min for flotation. 2.4 IR spectra test IR spectra were recorded......
海藻酸钠浮选分离磷灰石和方解石的作用及机理[J]. 中国有色金属学报, 2021, 31(2): 490-498. DOI: 10.11817/j.ysxb.1004.0609.2021-37730 ZHONG Chun-hui, FENG Bo, ZHANG Wen-pu, et al. Effect and mechanism of depressant sodium alginate... 2-phosphonobutane-1, 2, 4-tricarboxylic acid as depressant[J]. Minerals Engineering, 2019, 136: 62-65. [8] FENG B, LUO X, WANG J, et al. The flotation separation of scheelite from calcite using......
: With butyl xanthate as a collecter, the flotation behavior of jamesonite, pyrrhotite and marmatite, the depressing effects of small mercapto organic depressant (mercaptoacetic acid, mercaptoethanol... that there are a number of function groups such as -SH, -COOH, -OH in the molecular structure of depressant. Xanthate and depressant compete in their adsorption on surface of sulfide minerals. Organic......
, contact angle measurements and zeta potential tests. The microflotation experiments showed that both depressant agents decrease the flotation recovery of calcite significantly. In addition, sodium... with 71.5% recovery is achieved by carrying out the ore flotation experiments on the tabling pre-concentrate. Key words: pyrolusite; calcite; flotation; depressant; sodium carbonate; contact angle 1......
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, 1969, 244: 407-411. [9] 刘若华. 不同淀粉对赤铁矿抑制机理及工艺研究[D]. 长沙:中南大学, 2012. LIU Ruo-hua. Research on mechanism and technology of different starches as hematite depressant[D]. Changsha: Central South University... of electronic structure on the adsorption of depressant were investigated. And the competitive adsorptions of starch fragment, water and hydroxyl ions on (001) surface of hematite were discussed......