CN102206759A - Decyanation method and apparatus of cyanogen-containing tailings - Google Patents
Decyanation method and apparatus of cyanogen-containing tailings Download PDFInfo
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Abstract
The invention relates to the technical fields of nonferrous metal metallurgy and environment protecting, and specifically relates to a decyanation method and a decyanation apparatus of cyanogen-containing tailings. The method is characterized in the following steps: A. a press filtering step upon the tailings: press-filtrating the tailings to obtain cyanogen-containing slag filter cakes and gold-containing filtrate, wherein the gold-containing filtrate is reused in a cyaniding process for extracting gold; B. a first decyanation step upon the cyanogen-containing slag filter cakes obtained from the step A: adding first washing liquid into the cyanogen-containing slag filter cakes; fully washing and press-filtering the filter cakes, such that low-cyanogen slag and high-cyanogen filtrate are obtained; and the high-cyanogen filtrate is delivered to a nonferrous metal recycling process; C. a second decyanation step upon the low-cyanogen slag obtained from the step B: adding second washing liquid into the low-cyanogen slag, fully washing and press-filtering the low-cyanogen slag, such that slag which accords with a storage standard and low-cyanogen filtrate are obtained; and the low-cyanogen filtrate is delivered to a reaction tank, where the low-cyanogen filtrate is subject to a cyanogen breaking process with a hydrogen peroxide cyanogen breaking technology. Compared to prior arts, the method and apparatus of the present invention have advantages of energy saving and environment protecting. Also, the equipment cost is low.
Description
Technical field
The present invention relates to nonferrous metallurgy and environmental protection technical field, specifically a kind of decyanating method of cyanogen-containing tailing and device.
Background technology
As everyone knows, China's gold resource reserves are abundant, distributed more widely, the method of gold smelting is a lot, wherein cyanide process just has been applied to gold extraction technology at the beginning of last century, and is simple because of its rate of recovery height, technology, can realize on the spot advantages such as pan, unit cost are low, popularized in the gold mine all over the world rapidly, except that gold dust, 90% of human pan is an output in cyanide process technology according to conservative estimation.Traditional extraction of gold by cyanidation technology mainly comprises leaching, washing, displacement (precipitation) three operations, wherein leach and be meant the solid gold in the ore is dissolved in process in the oxygen containing cyanide solution, washing is meant in order to reclaim the gold-containing solution after the leaching, wash the molten gold between ore particle surface and the ore particle with water, to realize solid-liquid separation.After leaching, washing, just can use metallic zinc to carry out replacement(metathesis)reaction, obtain gold.
Industrial be used for prussiate that cyanide process leaches gold mainly contain potassium cyanide (KCN), sodium cyanide (NaCN), calcyanide [Ca(CN)
2] and ammonium cyanide (NH
4CN) four kinds, wherein commonly used is sodium cyanide.Sodium cyanide is a kind of white powder of severe toxicity, and the commodity sodium cyanide generally is compressed to spherical or block.In the industrial production, take to carry about 30% liquid secretly in the mine tailing after cyanidation gold-extracted, contain a large amount of prussiates, belong to Hazardous wastes according to " national Hazardous wastes register 2008 editions " and GB5085.3-2007 " the Hazardous wastes judging standard leaches toxicity and differentiates " differentiation, bring hidden danger to surrounding enviroment, and the employing of present most enterprises is stored up or the mode of landfill is handled, can't thoroughly solve the disadvantageous effect that prussiate brings surrounding environment in the mine tailing, especially during rainy season, loss because of mine tailing, especially wherein contain the cyanogen fluid loss and can form bigger potential hazard peripheral water body, simultaneously, because a considerable amount of copper minerals of some gold ore association contain non-ferrous metals such as copper in the mine tailing of cyanidation gold-extracted back, therefore value with recycling is badly in need of a kind of decyanating method of effective cyanogen-containing tailing.
Summary of the invention
The present invention, provides a kind of and can effectively improve operating environment at the existing present situation of handling the production technology of cyanogen-containing tailing in order to overcome the deficiencies in the prior art, facility investment is few, energy-conserving and environment-protective, constant product quality, the decyanating method of the cyanogen-containing tailing of no production safety hidden danger.
The technical measures that the present invention adopts are:
A kind of decyanating method of cyanogen-containing tailing is characterized in that may further comprise the steps:
Steps A: mine tailing is carried out press filtration handle, mine tailing is sent in the filter-pressing device,, obtain cyanogen slag filter cake and contain golden filtrate, wherein contain golden filtrate and enter cyanidation gold-extracted flow process and reclaim use through extruding, filtration, air-dry,
Step B: gained cyanogen slag filter cake in the steps A is carried out a decyanation handle, add once washing liquid in cyanogen slag filter cake, obtain low cyanogen slag and high cyanogen filtrate behind the thorough washing, wherein high cyanogen filtrate enters the non-ferrous metal recovery process,
Step C: the low cyanogen slag of gained among the step B is carried out the secondary decyanation handle, in low cyanogen slag, add secondary washing liquid, thorough washing, air-dry back obtain to meet the slag and the low cyanogen filtrate of the standard of storing up, wherein low cyanogen filtrate enters reactive tank, adopt the hydrogen peroxide cyanogen breaking process to carry out broken cyanide and handle, to obtain no cyanogen liquid.
Once washing liquid described in the step B of the present invention is low cyanogen solution, can adopt the cyanogen radical content be 50mg/l following contain cyanogen liquid, its effect is a thorough washing slag filter cake, reduces the cyanide content in the filter cake.
Secondary washing liquid described in the step C of the present invention is no cyanogen liquid, can adopt liquid mediums such as clear water, and its effect is a thorough washing slag filter cake, further removes contained cyanogen root in the mine tailing, to obtain to meet the slag of the standard of storing up.
The non-ferrous metal recovery process comprises the steps: described in the step B of the present invention
Step I: acidifying, in high cyanogen filtrate, add acid solution, the control ph value of reaction is 2～3, treat that it fully reacts after, obtain cuprous rhodanide powder and mixing solutions, the cuprous rhodanide powder filters and obtains filter cake, liquid is the liquid that is rich in prussic acid gas,
The step II: stripping, with air stripping step I gained solution, thereby stripping effusion prussic acid gas obtains low cyanogen solution, and wherein low cyanogen solution returns among the step B as once washing liquid,
The step III: absorb, make step II gained prussic acid gas by sodium hydroxide solution, fully reaction obtains sodium cyanide, and sodium cyanide is reclaimed, and products obtained therefrom enters cyanidation gold-extracted flow process.
The decyanating method of a kind of cyanogen-containing tailing described in the present invention is characterized in that described steps A comprises the steps:
Step I: pan feeding, mine tailing is pumped in the vertical type blotter press filter chamber, solid is filtered the medium filter cloth and holds back, and high cyanogen liquid sees through filter cloth to be separated, and pan feeding stopped after filter chamber was full of ore pulp,
The step II: extruding, to the inflation of filter chamber diaphragm chamber, because diaphragm cavity expands, high aqueous slag is pushed in the filter chamber, and residual high cyanogen liquid further sees through filter cloth to be separated,
The step III: air-dry, by sending into pressurized air in the feeding pipe road direction filter chamber, under the drive of high velocity air, high cyanogen liquid residual in the slag is further separated through filter cloth.
A kind of decyanation device of cyanogen-containing tailing, comprise pulp tank, washing lotion groove, air compressor machine, filtrate receiver, acidification treater, vertical type blotter press, it is characterized in that pulp tank is connected with vertical type blotter press through feed-pipe, air compressor machine is connected with vertical type blotter press through inlet pipe, the washing lotion groove is connected with vertical type blotter press through sluicing pipe, and vertical type blotter press is connected with filtrate receiver, acidification treater respectively through conduit.
The air compressor machine that is connected with vertical type blotter press among the present invention comprises barrier film air compressor machine and air-dry air compressor machine, its septation used for air compressor is in pressurizeing, auxiliary vertical type blotter press carries out press filtration to be handled, and the press filtration ore deposit cake of air-dry used for air compressor in vertical pressure filter carries out air-dry processing.
The washing lotion groove is divided into primary wash liquor groove and secondary cleaning water groove among the present invention, and wherein the primary wash liquor groove is used to deposit once washing liquid, and the secondary cleaning water groove is used to deposit secondary washing liquid, and the two is connected with the press filtration chamber of vertical type blotter press through sluicing pipe respectively.
The present invention compared with prior art has energy-conserving and environment-protective, equipment and drops into significant advantages such as low, good product quality.
Description of drawings:
Accompanying drawing 1 is a schema of the present invention.
Accompanying drawing 2 is a structural representation of the present invention.
Reference numeral: barrier film air compressor machine 1, filtrate receiver 2, acidification treater 3, vertical type blotter press 4, feed-pipe 5, secondary cleaning water groove 6, primary wash liquor groove 7, pulp tank 8, air-dry air compressor machine 9.
Embodiment:
The technical measures that the present invention adopts are:
A kind of decyanating method of cyanogen-containing tailing is characterized in that may further comprise the steps:
Steps A: mine tailing is carried out press filtration handle, mine tailing is sent in the filter-pressing device,, obtain cyanogen slag filter cake and contain golden filtrate, wherein contain golden filtrate and enter cyanidation gold-extracted flow process and reclaim use through extruding, filtration, air-dry,
Step B: gained cyanogen slag filter cake in the steps A is carried out a decyanation handle, add once washing liquid in cyanogen slag filter cake, obtain low cyanogen slag and high cyanogen filtrate behind the thorough washing, wherein high cyanogen filtrate enters the non-ferrous metal recovery process,
Step C: the low cyanogen slag of gained among the step B is carried out the secondary decyanation handle, in low cyanogen slag, add secondary washing liquid, thorough washing, air-dry back obtain to meet the slag and the low cyanogen filtrate of the standard of storing up, wherein low cyanogen filtrate enters reactive tank, adopt the hydrogen peroxide cyanogen breaking process to carry out broken cyanide and handle, to obtain no cyanogen liquid.
Once washing liquid described in the step B of the present invention is low cyanogen solution, can adopt the cyanogen radical content be 50mg/l following contain cyanogen liquid, its effect is a thorough washing slag filter cake, reduces the cyanide content in the filter cake.
Secondary washing liquid described in the step C of the present invention is no cyanogen liquid, can adopt liquid mediums such as clear water, and its effect is a thorough washing slag filter cake, further removes contained cyanogen root in the mine tailing, to obtain to meet the slag of the standard of storing up.
The non-ferrous metal recovery process comprises the steps: described in the step B of the present invention
Step I: acidifying, in high cyanogen filtrate, add acid solution, the control ph value of reaction is 2～3, treat that it fully reacts after, obtain cuprous rhodanide powder and mixing solutions, the cuprous rhodanide powder filters and obtains filter cake, liquid is the liquid that is rich in prussic acid gas,
The step II: stripping, with air stripping step I gained solution, thereby stripping effusion prussic acid gas obtains low cyanogen solution, and wherein low cyanogen solution returns among the step B as once washing liquid,
The step III: absorb, make step II gained prussic acid gas by sodium hydroxide solution, fully reaction obtains sodium cyanide, and sodium cyanide is reclaimed, and products obtained therefrom enters cyanidation gold-extracted flow process.
The decyanating method of a kind of cyanogen-containing tailing described in the present invention is characterized in that described steps A comprises the steps:
Step I: pan feeding, mine tailing is pumped in the vertical type blotter press filter chamber, solid is filtered the medium filter cloth and holds back, and high cyanogen liquid sees through filter cloth to be separated, and pan feeding stopped after filter chamber was full of ore pulp,
The step II: extruding, to the inflation of filter chamber diaphragm chamber, because diaphragm cavity expands, high aqueous slag is pushed in the filter chamber, and residual high cyanogen liquid further sees through filter cloth to be separated,
The step III: air-dry, by sending into pressurized air in the feeding pipe road direction filter chamber, under the drive of high velocity air, high cyanogen liquid residual in the slag is further separated through filter cloth.
A kind of decyanation device of cyanogen-containing tailing, comprise pulp tank 8, washing lotion groove, air compressor machine, filtrate receiver 2, acidification treater 3, vertical type blotter press 4, it is characterized in that pulp tank 8 is connected with vertical type blotter press 4 through feed-pipe 5, air compressor machine is connected with vertical type blotter press 4 through inlet pipe, the washing lotion groove is connected with vertical type blotter press 4 through sluicing pipe, and vertical type blotter press 4 is connected with filtrate receiver 2, acidification treater 3 respectively through conduit.
The air compressor machine that is connected with vertical type blotter press 4 among the present invention comprises barrier film air compressor machine 1 and air-dry air compressor machine 9, its septation air compressor machine 1 is used to pressurize, auxiliary vertical type blotter press 4 carries out press filtration to be handled, and the press filtration ore deposit cake that air-dry air compressor machine 9 is used in the vertical pressure filter 4 carries out air-dry processing.
The washing lotion groove is divided into primary wash liquor groove 6 and secondary cleaning water groove 7 among the present invention, and wherein primary wash liquor groove 6 is used to deposit once washing liquid, and secondary cleaning water groove 7 is used to deposit secondary washing liquid, and the two is connected with the press filtration chamber of vertical type blotter press 4 through sluicing pipe respectively.
In actual use, at first by pan feeding pump and feed-pipe 5, it is indoor to make ore pulp in the pulp tank 1 enter the press filtration of vertical type blotter press 4, ore pulp is able to solid-liquid separation through filter cloth, after treating that ore pulp is full of filter chamber, the diaphragm of rubber chamber of filter chamber is under the compressed-air actuated effect of barrier film air compressor machine 1, the ore pulp indoor to press filtration pushes, further filter by filter cloth, with the slag filter cake with contain golden liquid and further separate, further reduce through the slag cyanide content after the extruding, adopt pressurized air directly the cyanogen liquid that contains residual in the filter cake to be dried up again, the cyanide content of carrying secretly in the filter cake greatly reduces, for improving detersive efficiency, once washing improves good condition, air-dry back filter cake is indoor with the press filtration that the sluicing pipe of the interior once washing liquid of primary wash liquor groove 6 by vertical type blotter press 4 enters vertical type blotter press 4, because handling through press filtration, slag become the slag filter cake, once washing liquid in the sluicing pipe can be realized scoriaceous thorough washing, once washing liquid can adopt low cyanogen liquid, be used for realizing the once washing decyanation of slag cyanogen root is handled, after washing finishes, the rubber diaphragm chamber of vertical type blotter press 4 is inflated once more the slag filter cake is carried out secondary extrusion, to hang down cyanogen slag and high cyanogen solution separating, wherein high cyanogen solution is sent in the acidification treater 3 through conduit, carry out acidification reaction, obtain by products such as cuprous rhodanide powder, and in stripping tower, carrying out the stripping of prussic acid gas handles, with prussic acid gas and low cyanogen solution separating, the prussic acid gas of gained passes through basic solution, in the actual production process, the general sodium hydroxide solution that adopts, fully the reaction back generates sodium cyanide, the sodium cyanide of gained can return in the cyanide gold-leaching flow process and utilize, slag filter cake behind the once washing, the air-dry air compressor machine 9 that process is connected with vertical type blotter press 4 is to the air-dry air of the indoor input of press filtration, carry out air-dry processing, further drain and contain cyanogen liquid in the slag filter cake, the slag filter cake that is only contained a small amount of cyanogen root, this moment, secondary cleaning water groove 7 interior secondary washing liquid entered the press filtration chamber through the sluicing pipe that is connected with the press filtration chamber, begin the indoor slag filter cake of press filtration is carried out secondary washing, secondary washing liquid generally adopts no cyanogen liquid, in the specific implementation process, can adopt clear water etc., through after the secondary washing, the air-dry air compressor machine 9 that process is connected with vertical type blotter press 4 is to the air-dry air of the indoor input of press filtration, carry out air-dry processing, obtain meeting the slag and the low cyanogen filtrate of the standard of storing up, the low cyanogen filtrate of gained is in conduit is sent into reactive tank, add hydrogen peroxide, fully after the reaction, generate no cyanogen solution, thereby realize decyanation process, eliminate the detrimentally affect of prussiate environment to cyanogen-containing tailing.
Describe below in conjunction with specific embodiment:
Get cyanidation gold-extracted back mine tailing slurry 1250g(pulp density 40%: promptly liquid 60%, mine tailing 500g gives money as a gift, cyanogen radical content 2500mg/l), be evacuated to nearly do (moisture about 25%) with B, get once washing liquid (the containing cyanogen root 50mg/l) 500g for preparing, adding is evacuated to nearly filter cake top of doing and carries out the filter cake once washing, after being evacuated near doing once more, get clear water 500g, add filter cake top and carry out secondary washing, after being evacuated near doing, be 4.0mg/l according to HJ/T299-2007 " solid waste leaches the toxicity leaching method " mensuration cyanide content, meet the standard of storing up filter cake.
The present invention can effectively reduce behind the cyanide gold-leaching cyanogen radical content in the mine tailing, realizes that the decyanation of mine tailing is handled, and has energy-conserving and environment-protective, equipment and drops into significant advantages such as low, good product quality.
Claims (8)
1. the decyanating method of a cyanogen-containing tailing is characterized in that may further comprise the steps:
Steps A: mine tailing is carried out press filtration handle, mine tailing is sent in the filter-pressing device,, obtain cyanogen slag filter cake and contain golden filtrate, wherein contain golden filtrate and enter cyanidation gold-extracted flow process and reclaim use through extruding, filtration, air-dry,
Step B: gained cyanogen slag filter cake in the steps A is carried out a decyanation handle, add once washing liquid in cyanogen slag filter cake, obtain low cyanogen slag and high cyanogen filtrate behind the thorough washing, wherein high cyanogen filtrate enters the non-ferrous metal recovery process,
Step C: the low cyanogen slag of gained among the step B is carried out the secondary decyanation handle, in low cyanogen slag, add secondary washing liquid, thorough washing, air-dry back obtain to meet the slag and the low cyanogen filtrate of the standard of storing up, wherein low cyanogen filtrate enters reactive tank, adopt the hydrogen peroxide cyanogen breaking process to carry out broken cyanide and handle, to obtain no cyanogen liquid.
2. the decyanating method of a kind of cyanogen-containing tailing according to claim 1 is characterized in that the once washing liquid described in the step B adopts low cyanogen solution.
3. the decyanating method of a kind of cyanogen-containing tailing according to claim 1 is characterized in that the secondary washing liquid described in the step C is no cyanogen liquid.
4. the non-ferrous metal recovery process comprises the steps: described in the step B of the present invention
Step I: acidifying, in high cyanogen filtrate, add acid solution, the control ph value of reaction is 2～3, treat that it fully reacts after, obtain cuprous rhodanide powder and mixing solutions, the cuprous rhodanide powder filters and obtains filter cake, liquid is the liquid that is rich in prussic acid gas,
The step II: stripping, with air stripping step I gained solution, thereby stripping effusion prussic acid gas obtains low cyanogen solution, and wherein low cyanogen solution returns among the step B as once washing liquid,
The step III: absorb, make step II gained prussic acid gas by sodium hydroxide solution, fully reaction obtains sodium cyanide, and sodium cyanide is reclaimed, and products obtained therefrom enters cyanidation gold-extracted flow process.
5. the decyanating method of a kind of cyanogen-containing tailing according to claim 1 is characterized in that described steps A comprises the steps:
Step I: pan feeding, mine tailing is pumped in the vertical type blotter press filter chamber, solid is filtered the medium filter cloth and holds back, and high cyanogen liquid sees through filter cloth to be separated, and pan feeding stopped after filter chamber was full of ore pulp,
The step II: extruding, to the inflation of filter chamber diaphragm chamber, because diaphragm cavity expands, high aqueous slag is pushed in the filter chamber, and residual high cyanogen liquid further sees through filter cloth to be separated,
The step III: air-dry, by sending into pressurized air in the feeding pipe road direction filter chamber, under the drive of high velocity air, high cyanogen liquid residual in the slag is further separated through filter cloth.
6. the decyanation device of a cyanogen-containing tailing, comprise pulp tank, washing lotion groove, air compressor machine, filtrate receiver, acidification treater, vertical type blotter press, it is characterized in that pulp tank is connected with vertical type blotter press through feed-pipe, air compressor machine is connected with vertical type blotter press through inlet pipe, the washing lotion groove is connected with vertical type blotter press through sluicing pipe, and vertical type blotter press is connected with filtrate receiver, acidification treater respectively through conduit.
7. the decyanation device of a kind of cyanogen-containing tailing according to claim 6 is characterized in that the air compressor machine that is connected with vertical type blotter press comprises barrier film air compressor machine and air-dry air compressor machine.
8. the decyanation device of a kind of cyanogen-containing tailing according to claim 6 is characterized in that the washing lotion groove is divided into primary wash liquor groove and secondary cleaning water groove, and the two is connected with vertical type blotter press through sluicing pipe respectively.
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| CN103276221A (en) * | 2013-05-13 | 2013-09-04 | 山东国大黄金股份有限公司 | Method for recovering copper from copper flotation system liquids of tailings after cyaniding gold extraction |
| CN104789789A (en) * | 2015-03-20 | 2015-07-22 | 中国石油大学(北京) | Treatment method of cyanide-containing mineral slag in gold smelting process |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108793509A (en) * | 2018-07-15 | 2018-11-13 | 长春黄金研究院有限公司 | A kind of method of cyanidation tailings cycle of higher pressure countercurrent washing recovery of cyanide |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1144194A (en) * | 1996-06-14 | 1997-03-05 | 高大明 | Process for treatment of waste water containing cyanogen by acidifying precipitation method |
-
2010
- 2010-03-30 CN CN 201010134645 patent/CN102206759B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1144194A (en) * | 1996-06-14 | 1997-03-05 | 高大明 | Process for treatment of waste water containing cyanogen by acidifying precipitation method |
Non-Patent Citations (4)
| Title |
|---|
| 20050501 傅东才 黄金尾矿处理技术与综合利用 CNKI优秀硕士学位论文全文库 1-8 , * |
| 傅东才: "黄金尾矿处理技术与综合利用", <西安建筑科技大学学位论文> * |
| 赵占清: "压滤技术在含氰尾矿处理工艺中的应用", 《吉林地质》 * |
| 郭崇武,李健强: "镀镍废水中氰化物的处理方法", 《电镀与精饰》 * |
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| CN105080932B (en) * | 2015-07-30 | 2017-03-22 | 长春黄金研究院 | Biological treatment method of cyanogen-contained tailing slag |
| CN106564969A (en) * | 2016-10-27 | 2017-04-19 | 中南大学 | Method for deeply removing copper from nickel sulfate solution |
| CN107716516A (en) * | 2017-10-31 | 2018-02-23 | 长春黄金研究院 | A kind of cyanide minimizing technology of cyanidation tailings |
| CN108147578A (en) * | 2017-12-08 | 2018-06-12 | 长春黄金研究院 | A kind of processing method of sludge containing cyanogens |
| CN109985350A (en) * | 2019-03-26 | 2019-07-09 | 长春黄金研究院有限公司 | It is a kind of to backfill the method for innocent treatment utilized for gold ore cyanidation tailings |
| CN109967495A (en) * | 2019-03-28 | 2019-07-05 | 长春黄金研究院有限公司 | A kind of reverse dense purification method of gold concentrate smelting enterprise cyanogen slag three-level |
| CN111589842A (en) * | 2020-05-29 | 2020-08-28 | 辽宁东大矿冶工程技术有限公司 | Method for treating and recycling gold cyanidation tailings |
| CN113041542A (en) * | 2021-02-10 | 2021-06-29 | 河南科技大学 | Method for removing cyanide in gold smelting red slag by washing method |
| CN113102092A (en) * | 2021-03-08 | 2021-07-13 | 河南科技大学 | Method for converting red slag into lead concentrate, Turnbull blue pigment, roadbed stone and roadbed stone brick |
| CN113102092B (en) * | 2021-03-08 | 2022-11-11 | 河南科技大学 | Method for converting red slag into lead concentrate, turnbull blue pigment, roadbed stone and roadbed stone brick |
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