CN112408648B - Device and method for treating gold ore heap leaching solution - Google Patents
Device and method for treating gold ore heap leaching solution Download PDFInfo
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- CN112408648B CN112408648B CN202011317168.7A CN202011317168A CN112408648B CN 112408648 B CN112408648 B CN 112408648B CN 202011317168 A CN202011317168 A CN 202011317168A CN 112408648 B CN112408648 B CN 112408648B
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- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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- C02F2101/18—Cyanides
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Abstract
The invention relates to a device and a method for treating leaching solution of gold ore heap leaching heap, belonging to the field of environmental protection. The device is of a cuboid structure, is vertically placed in a leaching drainage channel of a heap leaching pile, and consists of two upper fixing rods, a treatment body and two lower fixing rods, wherein the front surface and the rear surface of the treatment body are provided with blocking nets, more than two medicament net cylinders are arranged in parallel at equal intervals inside the treatment body, and solid medicaments are filled in the medicament net cylinders. When the heap leaching solution is treated, one or more treatment devices are arranged in the drainage channel according to the generation amount of the leaching solution and the concentration of pollutants, and the drainage channel is used as a reaction treatment facility to realize the rapid treatment of cyanide and heavy metal in the leaching solution. The method has the advantages of avoiding the defects of high investment, long construction period, high operating cost, inconvenient equipment maintenance and the like of the conventional treatment mode, providing a high-efficiency, practical and convenient treatment product for gold ore dump leaching process enterprises, and having better application prospect.
Description
Technical Field
The invention relates to a pollutant treatment method in the field of environmental protection, in particular to a device and a method for treating gold ore heap leaching solution.
Background
In the gold industry, the gold ore heap leaching production process is a simple, convenient and economic technology for recovering gold from low-grade ores, becomes an important method for recovering gold from low-grade ores, extrasurface ores, waste rock piles of old mines and old tailings at present, and gold mine enterprises adopting the heap leaching gold process will increase along with the reduction of gold mining grade. Cyanide heap leaching is always the mainstream process of gold ore heap leaching due to high gold recovery rate, but because highly toxic cyanide is used in the heap leaching production process, cyanide-containing wastewater generated by a heap leaching heap needs to be treated when the heap leaching is finished, particularly cyanide-containing leaching solution generated by raining, and because of no predictability, the amount of the generated leaching solution and the concentration of pollutants are difficult to control, the cyanide heap leaching solution is treated by using the conventional treatment facilities, firstly, the investment is high, the treatment scale needs to be designed according to the maximum leaching amount, but the actual cyanide-containing wastewater generation amount is generally small, and particularly, the generation amount is less when the cyanide heap leaching is not raining; secondly, the construction period is long, and the construction period is long due to the need of designing according to a treatment process and implementing processing, manufacturing, treatment and the like, including civil engineering, equipment manufacturing and installation and the like; thirdly, the operation cost is high, the treatment facility not only consumes treatment agents in the operation process, but also needs to meet the power consumption required by the operation, in addition, the labor cost is high, and the operation cost is often high; and fourthly, the equipment is inconvenient to maintain and high in cost, and because the treatment equipment is large and is connected with various pipelines, instruments and the like, the equipment is troublesome to maintain and the maintenance cost is high. In view of the problems of the existing treatment facilities, a plurality of gold ore heap leaching enterprises also construct the treatment facilities to treat under certain conditions, some enterprises adopt the traditional mode of directly adding bleaching powder into a percolate collecting tank, and because the precise control of two-stage reaction conditions of breakpoint chlorination is not carried out, the excessive addition of bleaching powder is caused, and the cyanide removal effect is poor.
Disclosure of Invention
The invention provides a device for treating gold ore heap leaching solution and a using method thereof, which are used for solving the problems of high investment, long construction period, high operating cost, inconvenient equipment maintenance and the like in the conventional treatment mode.
The technical scheme adopted by the invention is as follows: the utility model provides a device for gold ore heap leaching heap drenches solution and handles, including two upper fixing rods, two lower fixing rods, handle the body, the medicine net section of thick bamboo, upper fixing pipe and lower fixed pipe, wherein two upper fixing rods are parallel to each other, every upper fixing rod respectively with the upper end fixed connection of handling the body, and be in the coplanar with handling the body side, every upper fixing rod middle part is equipped with the handle, the upper fixing pipe and the lower fixed pipe that are in a straight line respectively with the top surface and the bottom surface fixed connection of handling the body, the medicine net section of thick bamboo inserts perpendicularly in the upper fixing pipe and the lower fixed pipe that are in a straight line, and can take out from upper fixing pipe top, two lower fixing rods and handling body bottom fixed connection, and be perpendicular with handling the body side.
The treatment body is of a cuboid structure, the front side surface and the rear side surface of the treatment body are provided with blocking nets, and more than two medicament net cylinders are arranged in parallel at equal intervals inside the treatment body; the blocking net is rectangular, the side length of the blocking net is equal to that of the treatment body, the blocking net covers the surface of the treatment body and is made of stainless steel or plastic, and the size of the mesh of the blocking net is larger than that of the mesh of the screen of the medicament net cylinder.
The medicament net barrel is of a cylindrical structure, the surface of the medicament net barrel is provided with a screen for containing solid medicaments, the peripheral screen of the medicament net barrel is made of stainless steel or plastic materials, and meshes of the screen are smaller than the particle size of the solid medicaments.
The length of the medicament net cylinders is equal to or greater than the height of the treatment body, the outer diameter of the medicament net cylinders is less than or equal to the inner diameter of the upper fixing pipe and the inner diameter of the lower fixing pipe, the heights of all the medicament net cylinders are the same, the outer diameters of the medicament net cylinders are the same or different, the number of the medicament net cylinders is determined according to the size of the treatment body and the concentration of pollutants in the leaching solution, and the medicament net cylinders and the size of the treatment body and the concentration of pollutants in the leaching solution are in positive correlation.
The upper fixed pipe is vertically arranged at the upper end inside the processing body, and two ends of the upper fixed pipe are not closed; the lower fixed tube is vertically arranged at the lower end in the processing body, the upper end of the tube is not closed, and the lower end is closed; the length of the upper fixing tube or the lower fixing tube is 1/10-1/3 of the medicament net cylinder, and the outer diameter is 2-20 cm.
A treatment method of a device adopting gold ore heap leaching solution treatment comprises the following steps:
(1) Taking out the medicament net cylinders in the treatment device, adding solid medicaments into each medicament net cylinder according to the composition and concentration of pollutants in the leaching solution, adding cyanide and heavy metal treatment medicaments into the medicament net cylinder with the large outer diameter, and adding a catalyst, a flocculating agent or a pH regulator into the medicament net cylinder with the small outer diameter;
(2) Placing the medicament net barrel added with the medicament into an upper fixing tube and a lower fixing tube in a treatment body;
(3) Vertically placing a treatment device in the drainage channel, wherein a fixed rod on the treatment device is placed between baffles on the wall of the drainage channel;
(4) According to the generation amount of the leaching solution and the concentration of pollutants, one or more treatment devices are arranged in the drainage channel according to the steps;
(5) When the leaching solution is generated in the heap leaching field, the leaching solution flows through the treatment device in the drainage channel, the solid medicament in the treatment device is gradually dissolved and mixed in the flowing process of the drainage channel, and the dissolved solid medicament reacts with the pollutants in the leaching solution, so that the pollutants in the leaching solution are removed.
(6) When the medicament in the treatment device is nearly used up, the medicament net barrel or the treatment device after the medicament is added is replaced in time.
The vertical sectional area of the treating body is equal to the sectional area of the drainage channel, and the height of the treating body is equal to the channel depth of the drainage channel.
The baffles are polygonal, circular or elliptical steel plates or plastic plates with more than 4, are vertically inserted on the wall of the drainage channel and are close to two sides of an upper fixed rod of the treatment device, and the cross section of each baffle and the cross section of the drainage channel are on the same plane.
The solid medicament is prepared from cyanide and heavy metal treatment medicaments such as sodium sulfite, sodium metabisulfite and ferrous sulfate, the heavy metal treatment medicaments such as calcium salt, iron salt, aluminum salt, EDTA (ethylene diamine tetraacetic acid), xanthate and dithiocarbamate derivatives, a catalyst such as copper sulfate, a flocculating agent such as polyaluminium chloride and polyferric sulfate, and a pH regulator such as calcium oxide, sodium carbonate, sodium hydroxide, ferric sulfate and sodium bisulfate.
The placement number of the treatment devices in the drainage channel is determined according to the amount of the leaching solution and the concentration of cyanide and heavy metal in the leaching solution, and is in positive correlation with the amount of the leaching solution and the concentration of pollutants in the leaching solution.
The invention has the beneficial effects that: a device for gold ore heap leaching heap drenches solution and handles small and exquisite convenience, can directly place the drainage canal when handling heap leaching heap drenches solution, utilizes the drainage canal as the fast processing of reaction treatment facility realization cyanide and heavy metal in drenching solution, avoids defects such as present treatment mode investment height, construction cycle length, working costs height, equipment maintenance inconvenience, provides a high-efficient, practical, convenient processing product for gold ore heap leaching process enterprise, has better application prospect.
Drawings
FIG. 1 is a schematic diagram of the structure of the apparatus of the present invention;
FIG. 2 is a top view of the apparatus of the present invention;
FIG. 3 is a right side view of the device of FIG. 2;
fig. 4 is a schematic view of the processing body of fig. 3 with the baffle net removed.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a device for treating gold ore heap leaching solution comprises two upper fixing rods 1, two lower fixing rods 2, a treatment body 3, a reagent net cylinder 4, an upper fixing tube 5 and a lower fixing tube 6, wherein the two upper fixing rods 1 are parallel to each other, each upper fixing rod 1 is fixedly connected with the upper end of the treatment body 3 and is positioned in the same plane with the side surface of the treatment body 3, a handle 101 is arranged in the middle of each upper fixing rod 1, the upper fixing tube 5 and the lower fixing tube 6 which are positioned in a straight line are fixedly connected with the top surface and the bottom surface of the treatment body 3, the reagent net cylinder 4 is vertically inserted into the upper fixing tube 5 and the lower fixing tube 6 which are positioned in a straight line and can be taken out from the upper fixing tube 5, and the two lower fixing rods 2 are fixedly connected with the bottom of the treatment body 3 and are perpendicular to the side surface of the treatment body 3.
The treatment body 3 is of a cuboid structure, the front side and the rear side are provided with blocking nets 301, and more than two medicament net cylinders 4 are arranged in parallel at equal intervals inside; the blocking net 301 is rectangular, the side length of the blocking net is equal to that of the treatment body, the blocking net covers the surface of the treatment body 3, the blocking net is made of stainless steel or plastic, and the size of the mesh is larger than that of the mesh 401 of the medicament net barrel 4.
The medicament net barrel 4 is of a cylinder structure, the surface of the medicament net barrel is provided with a screen 401 for containing the solid medicament 7, the peripheral screen 401 of the medicament net barrel 4 is made of stainless steel or plastic materials, and the meshes of the screen 401 are smaller than the particle size of the solid medicament 7.
The length of the medicament net cylinders 4 is equal to or greater than the height of the treatment body 3, the outer diameter of the medicament net cylinders is less than or equal to the inner diameter of the upper fixing tube 5 and the inner diameter of the lower fixing tube 6, the heights of all the medicament net cylinders 4 are the same, the outer diameters of all the medicament net cylinders are the same or different, the number of the medicament net cylinders 4 is determined according to the size of the treatment body 3 and the concentration of pollutants in the leaching solution, and the medicament net cylinders are in positive correlation with the size of the treatment body 3 and the concentration of pollutants in the leaching solution.
The upper fixed pipe 5 is vertically arranged at the upper end inside the processing body 3, and two ends of the pipe are not closed; the lower fixed tube 6 is vertically arranged at the lower end in the processing body 3, the upper end of the tube is not closed, and the lower end is closed; the length of the upper fixing tube 5 or the lower fixing tube 6 is 1/10-1/3 of the medicament net cylinder 4, and the outer diameter is 2-20 cm.
A treatment method of a device adopting gold ore heap leaching and heap leaching solution treatment comprises the following steps:
(1) Taking out the medicament net cylinders 4 in the treatment device, adding a solid medicament 7 into each medicament net cylinder 4 according to the composition and concentration of pollutants in the leaching solution, adding a cyanide and heavy metal treatment medicament into the medicament net cylinder 4 with large outer diameter, and adding a catalyst, a flocculating agent or a pH regulator into the medicament net cylinder 4 with small outer diameter;
(2) Placing the medicament net barrel 4 added with medicament into an upper fixing tube 5 and a lower fixing tube 6 in the processing body 3;
(3) Vertically placing a treatment device in a drainage channel 8, wherein a fixed rod 1 on the treatment device is placed between baffle plates 9 on the wall of the drainage channel 1;
(4) According to the generation amount of the leaching solution and the concentration of pollutants, one or more treatment devices are arranged in the drainage channel 1 according to the steps;
(5) When the leaching solution is generated in the heap leaching field, the leaching solution flows through the treatment device in the drainage channel 1, the solid medicament 7 in the treatment device is gradually dissolved and mixed in the flowing process of the drainage channel 1, and the dissolved solid medicament 7 reacts with the pollutants in the leaching solution, so that the pollutants in the leaching solution are removed.
(6) When the medicament in the treatment device is nearly used up, the medicament net barrel 4 or the treatment device after the medicament is added is replaced in time.
The vertical sectional area of the treating body 3 is equal to the sectional area of the drainage channel 1, and the height of the treating body 3 is equal to the channel depth of the drainage channel 1.
The baffle 9 is more than 4 polygonal, circular or oval steel plates or plastic plates, is vertically inserted on the wall of the drainage channel 1 and is close to the two sides of the upper fixed rod 1 of the treatment device, and the cross section of each baffle 9 and the cross section of the drainage channel 1 are on the same plane.
Cyanide and heavy metal treatment agents in the solid agent 7 are sodium sulfite, sodium pyrosulfite and ferrous sulfate, heavy metal treatment agents are calcium salt, iron salt, aluminum salt, EDTA (ethylene diamine tetraacetic acid), xanthates and dithiocarbamate derivatives, a catalyst is copper sulfate, a flocculating agent is polyaluminum chloride and polyferric sulfate, and a pH regulator is calcium oxide, sodium carbonate, sodium hydroxide, ferric sulfate and sodium bisulfate.
The placing quantity of the treatment devices in the drainage channel 1 is determined according to the quantity generated by the leaching solution and the concentration of cyanide and heavy metal in the leaching solution, and is in positive correlation with the quantity generated by the leaching solution and the concentration of pollutants in the leaching solution.
The present invention is further illustrated by the following specific experimental examples.
Experimental example: some gold mine enterprises adopt a cyaniding heap leaching process, currently face to a closed heap, but heap leaching slag still contains cyanide, so that a certain amount of cyanide and heavy metal are contained in heap leaching slag leaching solution, see table 1, according to the environmental protection treatment requirements of an enterprise mining area, the leaching solution needs to be treated to reach the primary standard of GB 8978-1996 integrated wastewater discharge standard, and the treated leaching solution is collected into a collection pool and then conveyed to the top of a heap leaching heap by a pump for spraying.
TABLE 1 analysis results of components of the eluents
| Item | pH | CN T | CN f | SCN - | Cu | Fe | Zn | Pb |
| Percolate | 8.29 | 2.11 | 1.09 | 0.23 | 0.0079 | 0.40 | 0.03 | 0.0017 |
| Item | As | Hg | Cd | Cr | Cr 6+ | COD | NH 3 -N | Au |
| Percolate | 0.575 | <0.00008 | <0.0002 | 0.037 | <0.004 | <16 | 0.743 | 0.27 |
Note: the data units in the table are "mg/L", pH is dimensionless.
As can be seen from Table 1, the main pollutants in the leachate are cyanide and arsenic, the total cyanide concentration is 2.11mg/L, the concentration of easily released cyanide is 1.09mg/L, the concentration of arsenic ions is 0.575mg/L, and the total cyanide and arsenic concentrations exceed the requirements of the first-class standard of Integrated wastewater discharge Standard (GB 8978-1996).
According to the characteristics of the leaching solution and the treatment requirements, 10 treatment devices are adopted to carry out the treatment of the leaching solution, each treatment device is of a cuboid structure and is vertically placed in a leaching solution drainage channel 1 of a heap, the interval between the two treatment devices is 200m, each treatment device consists of two upper fixing rods 1, one treatment body 3 and two lower long fixing rods 2, the length of each upper fixing rod 1 is 70cm, the two upper fixing rods are horizontally placed in the middle of a baffle plate 9 on the wall of a drainage channel 1, the length of each upper fixing rod 1 on the wall of each drainage channel 1 is 10cm, the baffle plate 9 is 4 rectangular steel plates, the length of each upper fixing rod is 8cm, the height of each baffle plate is 5cm, the two upper fixing rods are vertically inserted into the outer sides of the upper fixing rods 1 on the wall of the drainage channel 1, the part exposed out of the drainage channel 1 is 3cm, the upper ends of the treatment bodies 3 are fixed in a front-and back mode, the surface of each upper fixing rod 1 and the treatment body 3 on one side are in the same plane, the upper end of the surface of the treatment body 3 is horizontally fixed, and the middle part of each upper fixing rod 1 is provided with a handle 101; the treatment body 3 is of a cuboid structure, the height of the treatment body is 80cm, the length of the treatment body is 50cm, the width of the treatment body is 10cm, the treatment body is the same as the cross section size of a drenching solution drainage channel 8, the front surface and the rear surface of the treatment body are provided with baffle nets 301, 4 medicament net cylinders 4, 4 upper fixing pipes 5 and 4 lower fixing pipes 6 are arranged in parallel at equal intervals inside the treatment body, each medicament net cylinder 4 is vertically inserted into the upper fixing pipe 5 and the lower fixing pipe 6 which are positioned in a straight line and can be taken out from the upper fixing pipe 5, each medicament net cylinder 4 is of a cylindrical structure, the inner diameters of the medicament net cylinders are 6cm, 6cm and 3cm respectively, the surface of the treatment body is provided with a screen 401, the screen 401 is 200 meshes, 2 cylinders in the medicament net cylinders 4 with the apertures of 0.075mm and 6cm are respectively filled with 50g of sodium metabisulfite, the other cylinders are filled with 70g of ferrous sulfate, and copper sulfate is filled in the medicament net cylinders 4 with 3 cm.
When the leaching solution is generated in the heap leaching field, the leaching solution flows through the treatment device in the drainage channel 8, the sodium metabisulfite, the ferrous sulfate and the copper sulfate in the medicament net cylinder 4 are dissolved and mixed with each other in the flowing process of the drainage channel 8, and the dissolved medicament reacts with cyanide and arsenic ions in the leaching solution, so that pollutants in the leaching solution are removed. The treated leaching solution flows into a leaching solution collecting tank, samples are taken from an inlet of the leaching solution collecting tank, pollutants in the leaching solution are detected, the analysis result is shown in table 2, cyanide and arsenic ions of the treated leaching solution reach the primary standard of GB 8978-1996 Integrated wastewater discharge Standard, and the requirements of environmental protection and treatment of the mining area of an enterprise are met. When the medicament in the treatment device 2 is nearly exhausted, the medicament net barrel 4 or the treatment device after the medicament is added is replaced in time.
TABLE 2 analysis of the composition of the treated leach solution
| Item | pH | CN T | CN f | As | Cu | Fe |
| Leachate | 7.86 | 0.012 | 0.007 | 0.0014 | 0.021 | 0.76 |
Note: the data units in the table are "mg/L", pH is dimensionless.
Claims (8)
1. A device for treating gold ore heap leaching solution is characterized in that: the device comprises two upper fixing rods, two lower fixing rods, a treatment body, a medicament net cylinder, an upper fixing pipe and a lower fixing pipe, wherein the two upper fixing rods are parallel to each other, each upper fixing rod is fixedly connected with the upper end of the treatment body and is positioned in the same plane with the side surface of the treatment body, a handle is arranged in the middle of each upper fixing rod, the upper fixing pipe and the lower fixing pipe which are positioned in a straight line are fixedly connected with the top surface and the bottom surface of the treatment body respectively, the medicament net cylinder is vertically inserted into the upper fixing pipe and the lower fixing pipe which are positioned in the straight line and can be taken out from the upper part of the upper fixing pipe, and the two lower fixing rods are fixedly connected with the bottom of the treatment body and are vertical to the side surface of the treatment body;
the medicament net barrel is of a cylindrical structure, the surface of the medicament net barrel is provided with a screen for containing solid medicaments, the peripheral screen of the medicament net barrel is made of stainless steel or plastic materials, and the meshes of the screen are smaller than the particle size of the solid medicaments;
the length of the medicament net cylinders is equal to or greater than the height of the treatment body, the outer diameter of the medicament net cylinders is less than or equal to the inner diameter of the upper fixing pipe and the inner diameter of the lower fixing pipe, the heights of all the medicament net cylinders are the same, the outer diameters of the medicament net cylinders are the same or different, the number of the medicament net cylinders is determined according to the size of the treatment body and the concentration of pollutants in the leaching solution, and the medicament net cylinders and the size of the treatment body and the concentration of pollutants in the leaching solution are in positive correlation.
2. The apparatus for gold ore heap leaching solution treatment according to claim 1, wherein: the treatment body is of a cuboid structure, the front side and the rear side are provided with blocking nets, and more than two medicament net cylinders are arranged in parallel at equal intervals inside the treatment body; the blocking net is rectangular, the side length of the blocking net is equal to that of the treatment body, the blocking net covers the surface of the treatment body and is made of stainless steel or plastic, and the size of the mesh is larger than that of the screen mesh of the medicament net barrel.
3. The apparatus for gold ore heap leaching solution treatment according to claim 1, wherein: the upper fixed pipe is vertically arranged at the upper end inside the processing body, and two ends of the upper fixed pipe are not closed; the lower fixed pipe is vertically arranged at the lower end in the processing body, the upper end of the pipe is not closed, and the lower end is closed; the length of the upper fixing tube or the lower fixing tube is 1/10-1/3 of the medicament net cylinder, and the outer diameter is 2-20 cm.
4. A treatment method of a device for treating gold ore heap leaching solution is characterized by comprising the following steps:
(1) Taking out the medicament net cylinders in the treatment device, adding a solid medicament into each medicament net cylinder according to the composition and concentration of pollutants in the leaching solution, adding a cyanide and heavy metal treatment medicament into the medicament net cylinder with a large outer diameter, and adding a catalyst, a flocculating agent or a pH regulator into the medicament net cylinder with a small outer diameter;
(2) The medicament net cylinder added with the medicament is placed into an upper fixing tube and a lower fixing tube in the treatment body;
(3) Vertically placing a treatment device in the drainage channel, wherein a fixed rod on the treatment device is placed between baffles on the wall of the drainage channel;
(4) According to the generation amount of the leaching solution and the concentration of pollutants, one or more treatment devices are arranged in the drainage channel according to the steps;
(5) When the leaching solution is generated in the heap leaching field, the leaching solution flows through the treatment device in the drainage channel, the solid medicament in the treatment device is gradually dissolved and mixed in the flowing process of the drainage channel, and the dissolved solid medicament reacts with pollutants in the leaching solution, so that the pollutants in the leaching solution are removed;
(6) When the medicament in the treatment device is nearly used up, the medicament net barrel or the treatment device after the medicament is added is replaced in time.
5. The treatment method of the device for treating the gold ore heap leaching solution according to the claim 4, is characterized in that: the vertical sectional area of the treating body is equal to the sectional area of the drainage channel, and the height of the treating body is equal to the channel depth of the drainage channel.
6. The treatment method of the device for treating the gold ore heap leaching solution according to the claim 4, is characterized in that: the baffles are polygonal, circular or elliptical steel plates or plastic plates with more than 4, are vertically inserted on the wall of the drainage channel and are close to two sides of an upper fixed rod of the treatment device, and the cross section of each baffle and the cross section of the drainage channel are on the same plane.
7. The treatment method of the device for treating the gold ore heap leaching solution according to the claim 4, is characterized in that: the solid medicament is prepared from cyanide and heavy metal treatment medicaments such as sodium sulfite, sodium metabisulfite and ferrous sulfate, the heavy metal treatment medicaments such as calcium salt, iron salt, aluminum salt, EDTA (ethylene diamine tetraacetic acid), xanthate and dithiocarbamate derivatives, a catalyst such as copper sulfate, a flocculating agent such as polyaluminium chloride and polyferric sulfate, and a pH regulator such as calcium oxide, sodium carbonate, sodium hydroxide, ferric sulfate and sodium bisulfate.
8. The treatment method of the device for treating the gold ore heap leaching solution according to the claim 4, is characterized in that: the placing quantity of the treatment devices in the drainage channel is determined according to the quantity of the leaching solution and the concentration of cyanide and heavy metal in the leaching solution, and is in positive correlation with the quantity of the leaching solution and the concentration of pollutants in the leaching solution.
Priority Applications (1)
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| CN103319005A (en) * | 2013-07-08 | 2013-09-25 | 河海大学 | Moveable assembled water quality purifier for field drainage ditch |
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| CN103319005A (en) * | 2013-07-08 | 2013-09-25 | 河海大学 | Moveable assembled water quality purifier for field drainage ditch |
| CN104129875A (en) * | 2014-08-16 | 2014-11-05 | 长春黄金研究院 | Cyanated wastewater treatment method |
| CN205023958U (en) * | 2015-09-12 | 2016-02-10 | 长春黄金研究院 | Reactor is handled in suspension of cyanide tailing filtration liquid |
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