CN104607321A - Collophanite froth flotation collecting agent and preparation method thereof - Google Patents
Collophanite froth flotation collecting agent and preparation method thereof Download PDFInfo
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- CN104607321A CN104607321A CN201410752246.4A CN201410752246A CN104607321A CN 104607321 A CN104607321 A CN 104607321A CN 201410752246 A CN201410752246 A CN 201410752246A CN 104607321 A CN104607321 A CN 104607321A
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Abstract
The invention provides a collophanite froth flotation collecting agent and a preparation method of the collophanite froth flotation collecting agent. The collophanite froth flotation collecting agent comprises, by mass, 0.3-0.75 part of stearic acid, 0.2-0.5 part of oleic acid and 0.05-0.2 part of citric acid. The stearic acid and the oleic acid are uniformly mixed, a sodium hydroxide solution is added for a saponification reaction, the citric acid is added and uniformly mixed, sodium chloride is added for salting out, a surface active agent is added, a primary substance is obtained after uniform stirring is conducted, diesel oil is added and uniformly stirred, and the collophanite froth flotation collecting agent can be obtained. The obtained collophanite froth flotation collecting agent is good in selectivity, high in collecting capacity, high in flotation speed and small in material consumption. Only 1.0 kg-2 kg/t of the collecting agent is consumed for each ton of ore, 20%-40% of the collophanite froth flotation collecting agent is reduced compared with a conventional collecting agent, and 2.5 yuan of agent cost is saved for each ton of raw ore. The collecting agent is used for positive floatation roughing, only three minutes are consumed for flotation, and 4-6 minutes needs to be consumed for the conventional collecting agent.
Description
Technical field
The present invention relates to a kind of collophane foam flotation collector and preparation method thereof, belong to technical field of beneficiation.
Background technology
Yunnan is the area that a phosphate rock resource enriches, one of rock phosphate in powder main application is the production of phosphoric acid and high concentration phosphate fertilizer, but the rock phosphate in powder rich ore in Yunnan is few, in the majority with the collophane of middle-low grade, particularly along with the increase of downstream phosphorous chemical industry demand, rock phosphate in powder is constantly exploited, and rich ore is fewer and feweri, phosphorus ore head grade constantly declines, and could meet the feed quality requirements of high-concentration phosphoric acid and Phosphate Fertilizer Industry after the rock phosphate in powder exploited has to pass through beneficiation enrichment.
The mainly froth flotation of current beneficiated phosphate ore beneficiation technologies, when direct flotation, collecting agent used is mainly tall oil, oxidized paraffin wax soap, and its main component is all aliphatic acid, and each producer also can add some surfactants and auxiliary material according to the situation of rock phosphate in powder.Surfactant has cationic quaternary, tertiary amine salt form etc., anionic have lauryl sodium sulfate, dodecyl sodium sulfate, neopelex, repefral, diethyl phthalate etc.; Nonionic has op-10, Tween-80, polyethers, kerosene, diesel oil etc.; Tall oil, oxidized paraffin wax soap mainly exist that consumption is large, poor selectivity, resistance to low temperature are poor, stability in hard water is poor.Therefore, current floating agent collecting is poor, and reagent cost is high, and beneficiation flowsheet is complicated, and phosphorous recovery is low.So it is very necessary for utilizing existing raw material to produce a kind of selective good, that collecting ability is strong, flotation speed is fast direct flotation collecting agent.
Collophane is the aggregate containing elements such as a small amount of Si, Al, Fe based on phosphate component.A kind of finely divided phase apatite with colloform structure.For the main component of phosphorite, sedimentary phosphor matter limestone, phosphate rock, rock phosphate, formed by biological and biochemical deposit.The associations such as normal and gypsum, calcite, monetite.Mid-low grade collophanite ore ore dressing is internationally recognized technical barrier, is therefore necessary the high-efficient collecting agent researching and developing a kind of Collophanite flotation.
Summary of the invention
The object of this invention is to provide a kind of collophane foam flotation collector and preparation method thereof, it has selective good, and collecting ability is strong, flotation speed is fast, low-consuming feature.
The object of the invention is to be achieved through the following technical solutions: a kind of collophane foam flotation collector, comprise the raw material composition of following mass parts: stearic acid 0.3 ~ 0.75 part, oleic acid 0.2 ~ 0.5 part, citric acid 0.05 ~ 0.2 part.
Described floating agent also comprises NaOH, sodium chloride, surfactant and diesel oil.Described surfactant is repefral, dodecyl sodium sulfate or neopelex.
Another object of the present invention is to the preparation method that a kind of collophane foam flotation collector is provided, through following steps:
(1) get the raw materials ready by the raw material of following mass parts: stearic acid 0.3 ~ 0.75 part, oleic acid 0.2 ~ 0.5 part, citric acid 0.05 ~ 0.2 part;
(2) stearic acid of step (1) and oleic acid are mixed, the concentration adding 0.10 ~ 0.25 mass parts after mixing is that the sodium hydroxide solution of 30 ~ 45wt% carries out saponification 30 ~ 60 minutes at 80 ~ 120 DEG C, obtains saponified;
(3) citric acid adding step (1) in step (2) gained is saponified carries out mixing obtaining mixture;
(4) sodium chloride adding 0.05 ~ 0.2 mass parts in step (3) gained mixture is saltoutd, then drying obtains dry matter;
(5) in step (4) gained dry matter, add the surfactant of dry matter quality 5 ~ 15%, after stirring, obtain base substance;
(6) in step (5) gained base substance, add the diesel oil of base substance quality 1 ~ 8%, after stirring, namely obtain collophane foam flotation collector.
When gained collophane foam flotation collector is used for ore dressing, this collecting agent is configured to the aqueous solution that mass concentration is 2 ~ 5%, can flotation be carried out.
The advantage that the present invention possesses and beneficial effect: gained collophane foam flotation collector of the present invention selective good, collecting ability is strong, and flotation speed is fast, low-consuming.This collector dosage only consumes 1.0 ~ 2kg/t, and the consumption of more conventional collecting agent decreases 20 ~ 40%, and raw ore per ton saves reagent cost 2.5 yuan.Carry out top-uping roughly selecting with this collecting agent, only 3 minutes consuming time of flotation, and conventional collecting agent needs 4 ~ 6 minutes consuming time.
Detailed description of the invention
Below by embodiment, the present invention will be further described.
Embodiment 1
(1) get the raw materials ready by the raw material of following mass parts: stearic acid 0.75 part, oleic acid 0.2 part, citric acid 0.05 part;
(2) stearic acid of step (1) and oleic acid are mixed, the concentration adding 0.15 mass parts after mixing is that the sodium hydroxide solution of 30wt% carries out saponification 30 minutes at 80 ~ 90 DEG C, obtains saponified;
(3) citric acid adding step (1) in step (2) gained is saponified carries out mixing obtaining mixture;
(4) sodium chloride adding 0.05 mass parts in step (3) gained mixture is saltoutd, then drying obtains dry matter;
(5) in step (4) gained dry matter, add the repefral of dry matter quality 5%, after stirring, obtain base substance;
(6) in step (5) gained base substance, add the diesel oil of base substance quality 2%, after stirring, namely obtain collophane foam flotation collector.
When gained collophane foam flotation collector is used for ore dressing, this collecting agent is configured to the aqueous solution that mass concentration is 2%, can flotation be carried out.
Embodiment 2
(1) get the raw materials ready by the raw material of following mass parts: stearic acid 0.6 part, oleic acid 0.3 part, citric acid 0.1 part;
(2) stearic acid of step (1) and oleic acid are mixed, the concentration adding 0.25 mass parts after mixing is that the sodium hydroxide solution of 40wt% carries out saponification 45 minutes at 90 ~ 100 DEG C, obtains saponified;
(3) citric acid adding step (1) in step (2) gained is saponified carries out mixing obtaining mixture;
(4) sodium chloride adding 0.15 mass parts in step (3) gained mixture is saltoutd, then drying obtains dry matter;
(5) in step (4) gained dry matter, add the dodecyl sodium sulfate of dry matter quality 8%, after stirring, obtain base substance;
(6) in step (5) gained base substance, add the diesel oil of base substance quality 8%, after stirring, namely obtain collophane foam flotation collector.
When gained collophane foam flotation collector is used for ore dressing, this collecting agent is configured to the aqueous solution that mass concentration is 5%, can flotation be carried out.
Embodiment 3
(1) get the raw materials ready by the raw material of following mass parts: stearic acid 0.3 part, oleic acid 0.5 part, citric acid 0.2 part;
(2) stearic acid of step (1) and oleic acid are mixed, the concentration adding 0.10 mass parts after mixing is that the sodium hydroxide solution of 45wt% carries out saponification 60 minutes at 100 ~ 120 DEG C, obtains saponified;
(3) citric acid adding step (1) in step (2) gained is saponified carries out mixing obtaining mixture;
(4) sodium chloride adding 0.2 mass parts in step (3) gained mixture is saltoutd, then drying obtains dry matter;
(5) in step (4) gained dry matter, add the neopelex of dry matter quality 15%, after stirring, obtain base substance;
(6) in step (5) gained base substance, add the diesel oil of base substance quality 1%, after stirring, namely obtain collophane foam flotation collector.
When gained collophane foam flotation collector is used for ore dressing, this collecting agent is configured to the aqueous solution that mass concentration is 3%, can flotation be carried out.
Embodiment 1,2,3 gained collophane foam flotation collector is configured to the aqueous solution that mass concentration is 2%, conventional single direct flotation is carried out to following sample ore: head grade P
2o
520.16%, MgO 0.69%, SiO
236.81%, CaO 32.94%, wherein SiO
2grade is very high, belongs to typical siliceous collophane.The results are shown in following table 1:
Comparative example 1: identical with embodiment 1, only replacing NaOH is sodium carbonate.
Comparative example 2: identical with embodiment 1, only replacing diesel oil is kerosene.
Embodiment 1, comparative example 1, comparative example 2 gained collophane foam flotation collector are configured to the aqueous solution that mass concentration is 2%, conventional single direct flotation are carried out to following sample ore: head grade P
2o
520.16%, MgO 0.69%, SiO
236.81%, CaO 32.94%, wherein SiO
2grade is very high, belongs to typical siliceous collophane.The results are shown in following table 2:
Visible by upper table, use sodium carbonate to substitute NaOH, the reaction time needs to extend, and flotation effect is not as NaOH; Use kerosene diesel oil substitute, flotation effect is also not as using diesel oil.
Comparative example 3: adopt conventional collecting agent: namely comprise tall oil, oxidized paraffin wax soap, surfactant and auxiliary material.
By embodiment 1,2,3, comparative example 3 gained collophane foam flotation collector is configured to the aqueous solution that mass concentration is 2%, carries out conventional single direct flotation: head grade P to following sample ore
2o
521.43%, MgO 0.69%, SiO
222.54%, CaO 40.13%, wherein SiO
2,caO grade is very high, belongs to typical siliceous collophane.The results are shown in following table 3:
Comparative example 4: adopt conventional collecting agent: namely comprise tall oil, oxidized paraffin wax soap, surfactant and auxiliary material.
By embodiment 1,2,3, comparative example 4 gained collophane foam flotation collector is configured to the aqueous solution that mass concentration is 2%, carries out conventional single reverse flotation: head grade P to following sample ore
2o
521.08%, MgO 5.54%, SiO
220.81%, CaO 36.94%, wherein CaO grade is very high, belongs to typical siliceous collophane.Direct flotation consumes pharmaceutical quantities comparatively greatly, and the general consumption of reverse flotation is 0.5 ~ 0.9kg/t, the results are shown in following table 4:
Comparative example 5: adopt conventional collecting agent: namely comprise tall oil, oxidized paraffin wax soap, surfactant and auxiliary material.
By embodiment 1,2,3, comparative example 5 gained collophane foam flotation collector is configured to the aqueous solution that mass concentration is 2%, carries out conventional direct reverse flotation: head grade P to following sample ore
2o
522.16%, MgO 1.29%, SiO
228.95%, CaO 38.49%, wherein SiO
2grade is very high, belongs to typical siliceous collophane.The results are shown in following table 5:
Comparative example 6: adopt conventional collecting agent: namely comprise tall oil, oxidized paraffin wax soap, surfactant and auxiliary material.
By embodiment 1,2,3, comparative example 6 gained collophane foam flotation collector is configured to the aqueous solution that mass concentration is 2%, carries out conventional bi-anti-symmetric matrix: P to following sample ore
2o
522.36%, MgO 4.67%, SiO
216.81%, CaO 38.94%, wherein CaO grade is very high, belongs to typical calcium collophanite.The results are shown in following table 6:
Claims (5)
1. a collophane foam flotation collector, is characterized in that: the raw material composition comprising following mass parts: stearic acid 0.3 ~ 0.75 part, oleic acid 0.2 ~ 0.5 part, citric acid 0.05 ~ 0.2 part.
2. collophane foam flotation collector according to claim 1, is characterized in that: described floating agent also comprises NaOH, sodium chloride, surfactant and diesel oil.
3. collophane foam flotation collector according to claim 1, is characterized in that: described surfactant is repefral, dodecyl sodium sulfate or neopelex.
4. a preparation method for collophane foam flotation collector, is characterized in that through following steps:
(1) get the raw materials ready by the raw material of following mass parts: stearic acid 0.3 ~ 0.75 part, oleic acid 0.2 ~ 0.5 part, citric acid 0.05 ~ 0.2 part;
(2) stearic acid of step (1) and oleic acid are mixed, the concentration adding 0.10 ~ 0.25 mass parts after mixing is that the sodium hydroxide solution of 30 ~ 45wt% carries out saponification 30 ~ 60 minutes at 80 ~ 120 DEG C, obtains saponified;
(3) citric acid adding step (1) in step (2) gained is saponified carries out mixing obtaining mixture;
(4) sodium chloride adding 0.05 ~ 0.2 mass parts in step (3) gained mixture is saltoutd, then drying obtains dry matter;
(5) in step (4) gained dry matter, add the surfactant of dry matter quality 5 ~ 15%, after stirring, obtain base substance;
(6) in step (5) gained base substance, add the diesel oil of base substance quality 1 ~ 8%, after stirring, namely obtain collophane foam flotation collector.
5. preparation method according to claim 4, is characterized in that: when gained collophane foam flotation collector is used for ore dressing, this collecting agent is configured to the aqueous solution that mass concentration is 2 ~ 5%, can carries out flotation.
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| CN104874487A (en) * | 2015-06-03 | 2015-09-02 | 武汉工程大学 | Preparation method of plant fatty acid and alkyl citrate soap compound collecting agent |
| CN105344492A (en) * | 2015-11-04 | 2016-02-24 | 武汉工程大学 | Collophanite direct-reverse flotation collecting agent and preparation method and application thereof |
| CN105435969A (en) * | 2015-12-09 | 2016-03-30 | 湖北富邦科技股份有限公司 | Collecting agent improving filtering effect for phosphorite floatation and preparing method of collecting agent |
| CN105855063A (en) * | 2016-04-01 | 2016-08-17 | 河北舜嘉矿产品科技有限公司 | Anionic collector and preparation method thereof |
| CN106076649A (en) * | 2016-05-20 | 2016-11-09 | 孝感市天翔矿业科技有限公司 | A kind of fatty acid apple ester soap collecting agent preparation method |
| CN106111347A (en) * | 2016-08-08 | 2016-11-16 | 湖北富邦科技股份有限公司 | A kind of except the rock phosphate in powder collecting agent in reverse floatation of calcite |
| CN107309093A (en) * | 2017-06-27 | 2017-11-03 | 湖北富邦科技股份有限公司 | It is a kind of to prevent gel and improve collecting agent of agent activity and preparation method thereof |
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| CN107442289A (en) * | 2017-06-19 | 2017-12-08 | 湖北富邦科技股份有限公司 | A kind of collecting agent for alleviating high concentration low temperature gel and preparation method thereof |
| CN108722679A (en) * | 2018-04-28 | 2018-11-02 | 昆明理工大学 | A kind of combination medicament and its application method for middle low temperature phosphate rock floating |
| CN106269282B (en) * | 2016-08-18 | 2019-01-04 | 云南磷化集团有限公司 | A kind of Collophane anti-floatation collector and preparation method thereof |
| CN113119350A (en) * | 2021-04-28 | 2021-07-16 | 郑州大学 | Method for mineralizing, enriching and separating environmental micro-nano plastic pollutants |
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| CN104874487B (en) * | 2015-06-03 | 2017-05-03 | 武汉工程大学 | Preparation method of plant fatty acid and alkyl citrate soap compound collecting agent |
| CN104874487A (en) * | 2015-06-03 | 2015-09-02 | 武汉工程大学 | Preparation method of plant fatty acid and alkyl citrate soap compound collecting agent |
| CN105344492B (en) * | 2015-11-04 | 2018-05-01 | 武汉工程大学 | A kind of Collophanite obverse-reverse flotation collecting agent and its preparation method and application |
| CN105344492A (en) * | 2015-11-04 | 2016-02-24 | 武汉工程大学 | Collophanite direct-reverse flotation collecting agent and preparation method and application thereof |
| CN105435969A (en) * | 2015-12-09 | 2016-03-30 | 湖北富邦科技股份有限公司 | Collecting agent improving filtering effect for phosphorite floatation and preparing method of collecting agent |
| CN105435969B (en) * | 2015-12-09 | 2019-11-12 | 湖北富邦科技股份有限公司 | A kind of collecting agent and preparation method thereof promoting phosphate rock floating filter effect |
| CN105855063A (en) * | 2016-04-01 | 2016-08-17 | 河北舜嘉矿产品科技有限公司 | Anionic collector and preparation method thereof |
| CN105855063B (en) * | 2016-04-01 | 2019-02-26 | 河北舜嘉矿产品科技有限公司 | The preparation method of anionic collector |
| CN106076649A (en) * | 2016-05-20 | 2016-11-09 | 孝感市天翔矿业科技有限公司 | A kind of fatty acid apple ester soap collecting agent preparation method |
| CN106111347A (en) * | 2016-08-08 | 2016-11-16 | 湖北富邦科技股份有限公司 | A kind of except the rock phosphate in powder collecting agent in reverse floatation of calcite |
| CN106269282B (en) * | 2016-08-18 | 2019-01-04 | 云南磷化集团有限公司 | A kind of Collophane anti-floatation collector and preparation method thereof |
| CN107442289A (en) * | 2017-06-19 | 2017-12-08 | 湖北富邦科技股份有限公司 | A kind of collecting agent for alleviating high concentration low temperature gel and preparation method thereof |
| CN107309092A (en) * | 2017-06-27 | 2017-11-03 | 湖北富邦科技股份有限公司 | It is a kind of to effectively improve the method that flotation collector produces product quality |
| CN107309093A (en) * | 2017-06-27 | 2017-11-03 | 湖北富邦科技股份有限公司 | It is a kind of to prevent gel and improve collecting agent of agent activity and preparation method thereof |
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