CN101972707B - Preparation method and application of pyrite inhibitor - Google Patents
Preparation method and application of pyrite inhibitor Download PDFInfo
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- 239000003112 inhibitor Substances 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 229910052683 pyrite Inorganic materials 0.000 title abstract description 6
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 title abstract description 6
- 239000011028 pyrite Substances 0.000 title abstract description 6
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 28
- 239000011707 mineral Substances 0.000 claims abstract description 28
- 229910001608 iron mineral Inorganic materials 0.000 claims abstract description 27
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 10
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 claims abstract description 8
- TYMLOMAKGOJONV-UHFFFAOYSA-N 4-nitroaniline Chemical compound NC1=CC=C([N+]([O-])=O)C=C1 TYMLOMAKGOJONV-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 235000010288 sodium nitrite Nutrition 0.000 claims abstract description 4
- 239000000843 powder Substances 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000011593 sulfur Substances 0.000 claims description 18
- 229910052717 sulfur Inorganic materials 0.000 claims description 18
- 239000000243 solution Substances 0.000 claims description 14
- 238000005188 flotation Methods 0.000 claims description 9
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- CETBSQOFQKLHHZ-UHFFFAOYSA-N Diethyl disulfide Chemical compound CCSSCC CETBSQOFQKLHHZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000004088 foaming agent Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000000178 monomer Substances 0.000 claims description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 230000000994 depressogenic effect Effects 0.000 claims 3
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 claims 2
- 150000001412 amines Chemical class 0.000 claims 1
- 150000003931 anilides Chemical class 0.000 claims 1
- 238000010494 dissociation reaction Methods 0.000 claims 1
- 230000005593 dissociations Effects 0.000 claims 1
- 239000007858 starting material Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 abstract description 14
- 239000010931 gold Substances 0.000 abstract description 14
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract description 13
- 230000002401 inhibitory effect Effects 0.000 abstract description 5
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 abstract description 4
- LWOAIKNLRVQTFT-UHFFFAOYSA-N 4-amino-n-(4-aminophenyl)benzenesulfonamide Chemical compound C1=CC(N)=CC=C1NS(=O)(=O)C1=CC=C(N)C=C1 LWOAIKNLRVQTFT-UHFFFAOYSA-N 0.000 abstract description 4
- 229940018564 m-phenylenediamine Drugs 0.000 abstract description 4
- 239000003814 drug Substances 0.000 abstract description 2
- 231100000252 nontoxic Toxicity 0.000 abstract description 2
- 230000003000 nontoxic effect Effects 0.000 abstract description 2
- 229910001739 silver mineral Inorganic materials 0.000 abstract description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 13
- 229910052709 silver Inorganic materials 0.000 description 13
- 239000004332 silver Substances 0.000 description 13
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 12
- 239000012141 concentrate Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 229940056932 lead sulfide Drugs 0.000 description 3
- 229910052981 lead sulfide Inorganic materials 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- -1 ethyl disulfide nitrogen Chemical compound 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 229910052949 galena Inorganic materials 0.000 description 2
- LWUVWAREOOAHDW-UHFFFAOYSA-N lead silver Chemical compound [Ag].[Pb] LWUVWAREOOAHDW-UHFFFAOYSA-N 0.000 description 2
- XCAUINMIESBTBL-UHFFFAOYSA-N lead(ii) sulfide Chemical compound [Pb]=S XCAUINMIESBTBL-UHFFFAOYSA-N 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 239000004552 water soluble powder Substances 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 1
- MJLGNAGLHAQFHV-UHFFFAOYSA-N arsenopyrite Chemical compound [S-2].[Fe+3].[As-] MJLGNAGLHAQFHV-UHFFFAOYSA-N 0.000 description 1
- 229910052964 arsenopyrite Inorganic materials 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052952 pyrrhotite Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
Abstract
一种硫铁矿物抑制剂的制备方法，是将14～16g对硝基苯胺加入到120～150ml体积浓度为20％硫酸溶液中，加热使其溶解，再在冰浴中冷却至10℃，在此温度下缓慢加入25～30ml质量百分浓度为25％的亚硝酸钠溶液得到产物1。将12～15g 4，4′-二氨基苯磺酰苯胺与15～20ml1mol/L盐酸配制成溶液并在冰浴中冷却至10℃，与产物1在pH9～10条件下偶合得到产物2，把产物2与15～20ml1mol/L间苯二胺在pH10～11条件下偶合得黑色易溶于水的粉末即为所述硫铁矿物抑制剂。本发明对硫铁矿物有很好的抑制作用，对铅矿物中的金或银矿物无影响，并且药剂用量少，无毒无污染。A kind of preparation method of sulfur iron mineral suppressor, is that 14～16g p-nitroaniline is added in 120～150ml volume concentration and is 20% sulfuric acid solution, heating makes it dissolve, then cools to 10 ℃ in ice bath, At this temperature, 25-30 ml of sodium nitrite solution with a mass percent concentration of 25% was slowly added to obtain product 1. Prepare a solution of 12-15g 4,4'-diaminobenzenesulfonanilide and 15-20ml 1mol/L hydrochloric acid and cool it to 10°C in an ice bath, and couple with product 1 at pH 9-10 to obtain product 2. The product 2 is coupled with 15-20 ml of 1mol/L m-phenylenediamine under the condition of pH 10-11 to obtain a black powder easily soluble in water, which is the sulfur iron mineral inhibitor. The invention has good inhibitory effect on pyrite minerals, has no influence on gold or silver minerals in lead minerals, and has less dosage of medicament, and is non-toxic and pollution-free.
Description
一、技术领域 1. Technical field
本发明涉及一种硫铁矿物抑制剂的制备方法，适用于硫化铅矿物中含金或银的铅硫矿物分离，获得含金或银铅精矿。The invention relates to a preparation method of sulfur-iron mineral inhibitor, which is suitable for separating gold- or silver-containing lead-sulfur minerals from lead sulfide minerals to obtain gold- or silver-containing lead concentrate.
二、背景技术 2. Background technology
在铅硫矿物浮选分离过程中，一般采用加大量石灰作为硫铁矿物的抑制剂来抑硫浮铅，从而使铅硫分离，得到铅精矿；但当铅矿物中含有金或银时，不能用石灰作硫铁矿物抑制剂，这是因为在浮选过程中，石灰对含金或银矿物抑制作用比较明显，金或银不可避免地受到抑制，丢失于尾矿中，这样不仅使资源未能得到充分综合回收，也降低了企业的经济收入。In the process of flotation and separation of lead-sulfur minerals, a large amount of lime is generally used as an inhibitor of sulfur-iron minerals to suppress sulfur and float lead, so that lead and sulfur are separated to obtain lead concentrate; but when the lead minerals contain gold or silver Therefore, lime cannot be used as sulfur-iron mineral inhibitor. This is because lime has an obvious inhibitory effect on gold or silver-containing minerals during the flotation process. Gold or silver is inevitably inhibited and lost in the tailings. This not only The resource has not been fully recovered, and the economic income of the enterprise has also been reduced.
三、发明内容 3. Contents of the invention
本发明的目的在于提供一种硫铁矿物抑制剂的制备方法，用该方法制备得的硫铁矿物抑制剂能够抑制硫铁矿物，对铅矿物中金或银不产生抑制作用，使金或银富集于铅精矿中。The object of the present invention is to provide a kind of preparation method of sulfur-iron mineral inhibitor, the sulfur-iron mineral inhibitor prepared by this method can suppress pyrite mineral, does not produce inhibitory action to gold or silver in lead mineral, makes Gold or silver is enriched in lead concentrate.
本发明采用以下技术方案达到上述目的：一种硫铁矿物抑制剂的制备方法，包括如下步骤：将14～16g对硝基苯胺加入到120～150ml体积浓度为20％硫酸溶液中，加热使其溶解，再在冰浴中冷却至10℃，在此温度下缓慢加入25～30ml质量百分浓度为25％的亚硝酸钠溶液得到产物1，将12～15g 4，4′-二氨基苯磺酰苯胺与15～20ml1mol/L盐酸配制成溶液并在冰浴中冷却至10℃，与产物1在pH9～10条件下偶合得到产物2，把产物2与15～20ml1mol/L间苯二胺在pH10～11条件下偶合得黑色易溶于水的粉末即为所述硫铁矿物抑制剂。The present invention adopts the following technical solutions to achieve the above-mentioned purpose: a preparation method of sulfur-iron mineral inhibitor, comprising the following steps: adding 14-16 g of p-nitroaniline to 120-150 ml of a volume concentration of 20% sulfuric acid solution, heating to make Dissolve it, then cool it to 10°C in an ice bath, slowly add 25-30ml of sodium nitrite solution with a concentration of 25% by mass at this temperature to obtain product 1, and mix 12-15g of 4,4'-diaminobenzene Sulfonanilide and 15-20ml 1mol/L hydrochloric acid were prepared into a solution and cooled to 10°C in an ice bath, and product 1 was coupled with product 1 at pH 9-10 to obtain product 2, and product 2 was mixed with 15-20ml 1mol/L m-phenylenediamine The black powder easily soluble in water obtained by coupling under the condition of pH 10-11 is the sulfur iron mineral inhibitor.
所述硫铁矿物抑制剂在铅硫伴生矿物浮选分离中的应用，先将矿石磨矿至矿物单体解离后，用碳酸钠调矿浆pH值为8～9，浮选过程中，按250～350g/t加入所述硫铁矿物抑制剂，然后再加100～150g/t乙硫氮作为铅捕收剂和80～100g/t2号油作为起泡剂。The application of the sulfur-iron mineral inhibitor in the flotation separation of lead-sulfur associated minerals firstly grinds the ore until the mineral monomers are dissociated, and then adjusts the pH value of the slurry to 8-9 with sodium carbonate. During the flotation process, Add the sulfur-iron mineral inhibitor at 250-350g/t, and then add 100-150g/t ethyl disulfide as lead collector and 80-100g/t No.2 oil as foaming agent.
使用时，先将所述硫铁矿物抑制剂配制成质量百分浓度为1～2％的水溶液。When in use, first prepare the sulfur iron mineral inhibitor into an aqueous solution with a concentration of 1-2% by mass.
本发明的具体优点在于：Concrete advantages of the present invention are:
所述硫铁矿物抑制剂对硫铁矿物有很好的抑制作用，对铅矿物中的金或银矿物不产生抑制作用，药剂用量少，无毒无污染。The sulfur-iron mineral inhibitor has a good inhibitory effect on sulfur-iron minerals, does not produce inhibitory effects on gold or silver minerals in lead minerals, has less dosage of medicaments, and is non-toxic and pollution-free.
四、具体实施方式 4. Specific implementation
以下通过具体实施例对本发明的技术方案作进一步描述。The technical solutions of the present invention will be further described below through specific examples.
实施例1Example 1
一种硫铁矿物抑制剂的制备方法的一个实例，包括以下步骤：An example of a preparation method of a sulfur iron mineral inhibitor, comprising the following steps:
将14g对硝基苯胺加入到120ml体积浓度为20％硫酸溶液中，加热使其溶解，再在冰浴中冷却至10℃，在此温度下缓慢加入25ml质量百分浓度为25％的亚硝酸钠溶液得到产物1。Add 14g p-nitroaniline to 120ml volume concentration of 20% sulfuric acid solution, heat to dissolve, then cool to 10°C in an ice bath, slowly add 25ml mass percent concentration of nitrous acid at this temperature of 25% Sodium solution affords product 1.
将12g 4，4′-二氨基苯磺酰苯胺与15ml1mol/L盐酸配制成溶液并在冰浴中冷却至10℃，与产物1在pH9条件下偶合得到产物2，把产物2与15ml1mol/L间苯二胺在pH10条件下偶合得黑色易溶于水的粉末即为所述抑制剂。Prepare a solution of 12g 4,4'-diaminobenzenesulfonanilide and 15ml 1mol/L hydrochloric acid and cool it to 10°C in an ice bath, and couple with product 1 at pH9 to obtain product 2. Mix product 2 with 15ml 1mol/L The m-phenylenediamine is coupled under the condition of pH 10 to obtain a black water-soluble powder, which is the inhibitor.
实施例2Example 2
本发明所述硫铁矿物抑制剂的制备方法的另一个实例，包括以下步骤：将16g对硝基苯胺加入到150ml体积浓度为20％硫酸溶液中，加热使其溶解，再在冰浴中冷却至10℃，在此温度下缓慢加入30ml质量百分浓度为25％的亚硝酸钠溶液得到产物1。Another example of the preparation method of the sulfur-iron mineral inhibitor of the present invention comprises the following steps: adding 16g of p-nitroaniline to 150ml volume concentration of 20% sulfuric acid solution, heating to dissolve it, and then placing it in an ice bath Cool to 10° C., slowly add 30 ml of 25% sodium nitrite solution at this temperature to obtain product 1.
将15g 4，4′-二氨基苯磺酰苯胺与20ml1mol/L盐酸配制成溶液并在冰浴中冷却至10℃，与产品1在pH10条件下偶合得到产物2，把产物2与20ml1mol/L间苯二胺在pH11条件下偶合得黑色易溶于水的粉末即为所述抑制剂。Prepare a solution of 15g 4,4'-diaminobenzenesulfonanilide and 20ml 1mol/L hydrochloric acid and cool it to 10°C in an ice bath, and couple with product 1 at pH 10 to obtain product 2. Mix product 2 with 20ml 1mol/L The m-phenylenediamine is coupled under the condition of pH 11 to obtain a black water-soluble powder, which is the inhibitor.
实施例3Example 3
本实施例为采用实施例1或2制备得的硫铁矿物抑制剂在铅硫浮选分离中的应用实例。This embodiment is an application example of the pyrite mineral inhibitor prepared in embodiment 1 or 2 in the flotation separation of lead and sulfur.
1、矿物原料：1. Mineral raw materials:
矿物原料为含金硫化铅矿，其中含铅5.34％、硫7.62％、金1.56g/t，物相分析表明铅矿物主要以方铅矿形式存在，另有少量车轮矿；硫矿物主要以黄铁矿形式存在，另有少量磁黄铁矿，金分布于铅矿物中。The mineral raw material is gold-bearing lead sulfide ore, which contains 5.34% lead, 7.62% sulfur, and 1.56g/t gold. Phase analysis shows that the lead minerals mainly exist in the form of galena, and there is a small amount of wheel ore; the sulfur minerals are mainly in the form of yellow It exists in the form of iron ore, and a small amount of pyrrhotite, and gold is distributed in lead minerals.
2、药剂制度及操作条件：先将矿石磨矿至矿物单体解离后，用碳酸钠调矿浆pH值为8～9，按一次粗选两次扫选及三次精选的工艺流程进行铅硫分离，一次粗选时加入100g/t所述硫铁矿物抑制剂，然后再加70g/t乙硫氮作为铅捕收剂和60g/t2号油作为起泡剂，两次扫选采用所述硫铁矿物抑制剂50g/t，乙硫氮20g/t，2号油20g/t，三次精选采用所述硫铁矿物抑制剂100g/t，进行了一年150t/d工业扩大试验，在给矿品位铅5.34％、硫7.62％、金1.56g/t条件下，得到含铅为57.21％、含金16.30g/t％的铅金精矿，铅回收率达到88.72％，金回收率达到86.52％。2. Chemical system and operating conditions: first grind the ore until the mineral monomers are dissociated, then use sodium carbonate to adjust the pH value of the slurry to 8-9, and conduct lead extraction according to the technological process of one roughing, two sweeping and three times of beneficiation. For sulfur separation, add 100g/t of the sulfur iron mineral inhibitor in the first roughing, then add 70g/t of ethyl disulfide as the lead collector and 60g/t of No. 2 oil as the foaming agent, and use The pyrite mineral inhibitor is 50g/t, ethyl disulfide nitrogen is 20g/t, No. 2 oil is 20g/t, and the sulfur iron mineral inhibitor is 100g/t for three times of beneficiation, and a year of 150t/d industrial In the expanded test, under the conditions of feed grade of 5.34% lead, 7.62% sulfur, and 1.56g/t gold, a lead-gold concentrate with a lead content of 57.21% and a gold content of 16.30g/t% was obtained, and the lead recovery rate reached 88.72%. The recovery rate of gold reached 86.52%.
实施例4Example 4
本实施例为采用实施例1或2制备得的硫铁矿物抑制剂在铅硫浮选分离中的另一应用实例。This example is another application example of the sulfur-iron inhibitor prepared in Example 1 or 2 in the flotation separation of lead and sulfur.
1、矿物原料：1. Mineral raw materials:
矿物原料为含银硫化铅矿，其中含铅3.79％、硫8.27％、银50.24g/t，物相分析表明铅矿物以脆硫锑铅矿为主，另有少量方铅矿；硫矿物以黄铁矿为主，另有少量砷黄铁矿，银分布于铅矿物中。The mineral raw material is silver-containing lead sulfide ore, which contains 3.79% lead, 8.27% sulfur, and 50.24g/t silver. Phase analysis shows that the lead minerals are mainly brittle styroite, and there is a small amount of galena; the sulfur minerals are mainly Mainly pyrite, and a small amount of arsenopyrite, silver distributed in lead minerals.
2、药剂制度及操作条件：先将矿石磨矿至矿物单体解离后，用碳酸钠调矿浆pH值为8～9，按一次粗选两次扫选及三次精选的工艺流程进行铅硫分离，一次粗选时加入150g/t所述硫铁矿物抑制剂，然后再加100g/t乙硫氮作为铅捕收剂和70g/t2号油作为起泡剂，两次扫选采用所述硫铁矿物抑制剂100g/t，乙硫氮30g/t，2号油20g/t，三次精选采用所述硫铁矿物抑制剂100g/t，进行了一年150t/d工业扩大试验，结果表明采用以上药剂条件能够有效分离铅硫矿物，得到铅银精矿；在给矿品位铅1.79％、硫8.27％、银50.24g/t条件下，得到含铅为27.67％、含银763.75g/t的铅银精矿，铅回收率达到90.21％，银回收率达到88.78％。2. Chemical system and operating conditions: first grind the ore until the mineral monomers are dissociated, then use sodium carbonate to adjust the pH value of the slurry to 8-9, and conduct lead extraction according to the technological process of one roughing, two sweeping and three times of beneficiation. For sulfur separation, add 150g/t of the sulfur-iron mineral inhibitor in the first roughing, then add 100g/t of ethyl disulfide as a lead collector and 70g/t of No. 2 oil as a foaming agent, and use The sulfur iron mineral inhibitor 100g/t, ethyl disulfide nitrogen 30g/t, No. 2 oil 20g/t, the three times of beneficiation adopted the sulfur iron mineral inhibitor 100g/t, carried out a year of 150t/d industrial The results of the expanded test show that the above chemical conditions can effectively separate lead-sulfur minerals and obtain lead-silver concentrates; under the conditions of ore grade lead 1.79%, sulfur 8.27%, and silver 50.24g/t, lead content is 27.67%. For the lead-silver concentrate with silver 763.75g/t, the lead recovery rate reaches 90.21%, and the silver recovery rate reaches 88.78%.
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| AU2013247335B2 (en) * | 2012-04-12 | 2017-01-12 | Vale S.A. | A method for improving selectivity and recovery in the flotation of nickel sulphide ores that contain pyrhotite by exploiting the synergy of multiple depressants |
| CN103657861B (en) * | 2013-12-11 | 2015-07-22 | 广西大学 | Preparation method of nickel sulfide mineral inhibitor and application thereof |
| CN103721856B (en) * | 2013-12-17 | 2015-12-02 | 广西大学 | A kind of preparation method of Garnet inhibitor |
| CN103691575B (en) * | 2013-12-17 | 2016-01-20 | 广西大学 | A kind of preparation method of vulcanized lead mineral inhibitor |
| CN104399594A (en) * | 2014-11-21 | 2015-03-11 | 广西大学 | Preparation method and application of flotation separation inhibitor of zinc-sulfur minerals |
| CN106423579B (en) * | 2016-11-02 | 2018-11-20 | 广西大学 | A kind of preparation method of calcium carbonate mineral inhibitor |
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| CN87107882A (en) * | 1986-11-14 | 1988-05-25 | 住友金属矿山株式会社 | Mineral processing of rare earth ores |
| CN87105202A (en) * | 1987-07-22 | 1988-08-10 | 广州有色金属研究院 | The method of flotation fluorite |
| CN101585016A (en) * | 2009-06-22 | 2009-11-25 | 广西大学 | Low grade fluorite and barite flotation separation method |
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| JPS61204053A (en) * | 1985-03-05 | 1986-09-10 | Dowa Mining Co Ltd | Copper-lead separating floatation method |
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| CN87107882A (en) * | 1986-11-14 | 1988-05-25 | 住友金属矿山株式会社 | Mineral processing of rare earth ores |
| CN87105202A (en) * | 1987-07-22 | 1988-08-10 | 广州有色金属研究院 | The method of flotation fluorite |
| CN101585016A (en) * | 2009-06-22 | 2009-11-25 | 广西大学 | Low grade fluorite and barite flotation separation method |
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