CN204265606U - A kind of cyanide wastewater total system - Google Patents
A kind of cyanide wastewater total system Download PDFInfo
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- CN204265606U CN204265606U CN201420678849.XU CN201420678849U CN204265606U CN 204265606 U CN204265606 U CN 204265606U CN 201420678849 U CN201420678849 U CN 201420678849U CN 204265606 U CN204265606 U CN 204265606U
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Abstract
The utility model discloses a kind of cyanide wastewater total system, it is made up of sandfiltration pot, cartridge filter, reverse-osmosis treated device, acidifying blow-off groove, Alkali absorption groove, mixing flocculation tank, settling tank, biological activated carbon reaction tank and back pool, wherein be provided with in acidifying blow-off groove and add acid tube, heating rod and aerating system, biological activated carbon reaction tank inside is provided with active carbon filler and aerating system, for the biofilm of bacterial classification with gac is collaborative processes remaining pollutent.Reverse osmosis membrane processing technique, acidifying stripping treatment process, coagulating kinetics technique and biological activated carbon treatment technology combine to work in coordination with and carry out comprehensive treating process to gold mine cyanide wastewater by the utility model, have that technical process is simple, good waste water treatment effect, processing efficiency are high, system run all right, easily realize the advantages such as industrial application, have broad application prospects.
Description
Technical field
The utility model relates to environmental protection technology and water-treatment technology field, particularly a kind for the treatment of system of cyanide wastewater.
Background technology
Gold mine is in process of production owing to using Cyanide Process, a large amount of cyanide wastewater can be produced, this part cyanide wastewater is not only containing a certain amount of hypertoxic prussiate, but also contain the heavy metal ion of thiocyanate-and copper, zinc, lead and so on, if can not get effective process, great environmental protection hidden danger will be produced.From the cyanide wastewater disposition of current domestic gold mine, still there is no the ripe cyanide wastewater total system used.
Summary of the invention
The purpose of this utility model is exactly for the problems referred to above, and provides the cyanide wastewater total system that a kind of technical process is simple, treatment effect good, processing efficiency is high.
The utility model is made up of sandfiltration pot, cartridge filter, reverse-osmosis treated device, acidifying blow-off groove, Alkali absorption groove, mixing flocculation tank, settling tank, biological activated carbon reaction tank and back pool, wherein sandfiltration pot is cylindrical structure, the bottom that sandfiltration pot is leaned to one side and top are respectively equipped with sandfiltration pot water inlet pipe and sandfiltration pot rising pipe, sandfiltration pot rising pipe is connected with cartridge filter water inlet pipe, is provided with filtrate in the inside of sandfiltration pot; Cartridge filter is round table-like structure, and cartridge filter leans to one side top to being equipped with cartridge filter water inlet pipe and cartridge filter rising pipe, and cartridge filter rising pipe is connected with feed water by reverse osmosis pipe, and cartridge filter inside is provided with filter core; Reverse-osmosis treated device is one or more levels reverse osmosis treatment device, feed water by reverse osmosis pipe, reverse osmose pure-water rising pipe and reverse osmosis concentrated shrink rising pipe is respectively equipped with in the both sides of reverse-osmosis treated device, reverse osmose pure-water rising pipe is connected with back pool water inlet pipe, and reverse osmosis concentrated shrink rising pipe is connected with acidifying blow-off groove water inlet pipe; Acidifying blow-off groove shell is cylindrical, top adopts hemispherical head sealing, acidifying blow-off groove top and the bottom of leaning to one side are respectively equipped with acidifying blow-off groove water inlet pipe and acidifying blow-off groove rising pipe, acidifying blow-off groove rising pipe is connected with mixing flocculation tank water inlet pipe by water pump, top in acidifying blow-off groove is provided with and adds acid tube, and middle part is provided with heating rod, and bottom is provided with aerating system, the top of acidifying blow-off groove is provided with escape pipe, and escape pipe end is connected with the micro-hole aerator of Alkali absorption trench bottom; Alkali absorption groove is leaned to one side as cylindrical, and bottom is conical, and sodium hydroxide absorption liquid and absorption tower filler are equipped with in Alkali absorption groove inside, and bottom is provided with micro-hole aerator; Mixing flocculation tank upper and lower of leaning to one side is respectively equipped with mixing flocculation tank water inlet pipe and mixing flocculation tank rising pipe, mixing flocculation tank rising pipe is connected by water pump with settling tank water inlet pipe, be provided with above mixing flocculation tank and add alkali pipe, flocculation agent chemical feed pipe and flocculation agent chemical feed pipe, mixing flocculation tank inside is provided with whipping appts; Settling tank is circular vertical sedimentation basin, settling tank central upper portion position is provided with settling tank water inlet pipe, periphery is provided with settling tank overflow weir and settling tank overflow groove, and settling tank isopipe root is provided with settling tank rising pipe, and settling tank rising pipe is connected with biological activated carbon reaction tank water inlet pipe; Biological activated carbon reaction tank is cylindric, inner hub location is provided with reaction tank water inlet pipe, biological activated carbon reaction tank top periphery is provided with reaction tank overflow weir and reaction tank overflow groove, reaction tank isopipe root is provided with overflow groove rising pipe, reaction tank aeration tube is provided with bottom biological activated carbon reaction tank, reaction tank aeration tube front end is provided with reaction tank aeration branch pipe and reaction tank micro-hole aerator, reaction tank aeration tube end is connected with blower fan, being provided with filter screen above reaction tank micro-hole aerator, is active carbon layer above filter screen; Back pool is the water collecting basin after system response, is respectively equipped with back pool water inlet pipe and back pool drinking-water pipe in back pool, and back pool water inlet pipe is connected with biological activated carbon reaction tank overflow groove rising pipe, reverse osmose pure-water rising pipe.
The filtrate of described sandfiltration pot inside is quartz sand, hard coal or manganese sand etc., and the particle diameter of filtrate is 0.5mm ~ 5mm.
The filter core of described cartridge filter inside is that PP is cotton, nylon or the material such as melt-blown, and the aperture of filter core is 0.5 ~ 120 μm.
The described acid reagent added in acid tube is sulphuric acid soln.
The circular array of described heating rod, in the inside of acidifying blow-off groove, is evenly distributed in same level.
Described absorption tower filler is the fillers such as Pall ring, cascade ring, arc saddle, square saddle.
Described aerating system is made up of blower fan, aeration tube, aeration branch pipe and micro-hole aerator, the end of aeration tube is connected with blower fan, the both sides, front end of aeration tube are equidistantly vertically provided with each aeration branch pipe, each aeration branch pipe is equidistantly provided with micro-hole aerator, and all micro-hole aerators are evenly distributed in the bottom in oxidation trough.
The material of described micro-hole aerator is stainless steel, titanium alloy or pottery.
The described alkaline reagents added in alkali pipe is sodium hydroxide solution or white lime emulsion, and the flocculation agent in flocculation agent chemical feed pipe is polymer inorganic salt solution, and the flocculation agent in flocculation agent chemical feed pipe is polyacrylamide solution.
In described biological activated carbon reaction tank, reaction tank aeration tube front end is provided with reaction tank aeration branch pipe, and reaction tank aeration branch pipe, in " Swastika " font, is evenly distributed in bottom biological activated carbon reaction tank, each reaction tank aeration branch pipe is equidistantly provided with micro-hole aerator; Filter screen is disc, center drilling size is equal with reaction tank water inlet pipe external diameter, the filter screen whole body is covered with square or circular filter opening, filter pore size is less than the size of activated carbon granule in active carbon layer, below filter screen, circular array arranges 4 ~ 32 screen support framves, and screen support frame two ends are welded mutually with the inwall of reaction tank water inlet pipe and biological activated carbon reaction tank respectively.
The beneficial effects of the utility model:
Reverse osmosis membrane processing technique, acidifying stripping treatment process, coagulating kinetics technique and biological activated carbon treatment technology combine to work in coordination with and carry out comprehensive treating process to gold mine cyanide wastewater by the utility model, have that technical process is simple, good waste water treatment effect, processing efficiency are high, system run all right, easily realize the advantages such as industrial application, have broad application prospects.
Accompanying drawing explanation
Fig. 1 is Structure and energy schema of the present utility model.
Fig. 2 is heating rod vertical view in acidifying blow-off groove.
Fig. 3 is aerating system vertical view in acidifying blow-off groove.
Fig. 4 is aeration branch pipe and micro-hole aerator vertical view in biological activated carbon reaction tank.
Fig. 5 is biological activated carbon reaction tank Inner filter net vertical view.
Wherein, 1-sandfiltration pot; 11-sandfiltration pot water inlet pipe; 12-sandfiltration pot rising pipe; 13-filtrate; 2-cartridge filter; 21-cartridge filter water inlet pipe; 22-cartridge filter rising pipe; 23-filter core; 3-reverse-osmosis treated device; 31-feed water by reverse osmosis pipe; 32-reverse osmose pure-water rising pipe; 33-reverse osmosis concentrated shrink rising pipe; 4-acidifying blow-off groove; 41-acidifying blow-off groove water inlet pipe; 42-acidifying blow-off groove rising pipe; 43-add acid tube; 44-heating rod; 45-aeration tube; 46-aeration branch pipe; 47-micro-hole aerator; 48-escape pipe; 49-Alkali absorption groove; 5-mixing flocculation tank; 51-mixing flocculation tank water inlet pipe; 52-mixing flocculation tank rising pipe; 53-add alkali pipe; 54-flocculation agent chemical feed pipe; 55-flocculation agent chemical feed pipe; 56-water pump; 6-settling tank; 61-settling tank water inlet pipe; 62-settling tank overflow weir; 63-settling tank overflow groove; 64-settling tank rising pipe; 7-biological activated carbon reaction tank; 71-reaction tank water inlet pipe; 72-reaction tank overflow weir; 73-reaction tank overflow groove; 731-overflow groove rising pipe; 74-reaction tank aeration tube; 75-reaction tank aeration branch pipe; 76-reaction tank micro-hole aerator; 77-filter screen; 771-filter opening; 772-screen support frame; 78-active carbon layer; 8-back pool; 81-back pool water inlet pipe; 82-back pool drinking-water pipe; 9-blower fan.
Embodiment
Refer to shown in Fig. 1, the present embodiment is made up of sandfiltration pot 1, cartridge filter 2, reverse-osmosis treated device 3, acidifying blow-off groove 4, mixing flocculation tank 5, settling tank 6, biological activated carbon reaction tank 7 and back pool 8, wherein sandfiltration pot 1 is cylindrical structure, the bottom that sandfiltration pot 1 is leaned to one side and top are respectively equipped with sandfiltration pot water inlet pipe 11 and sandfiltration pot rising pipe 12, sandfiltration pot rising pipe 12 is connected with cartridge filter water inlet pipe 21, is provided with filtrate 13 in the inside of sandfiltration pot 1; Cartridge filter 2 is round table-like structure, and cartridge filter 2 leans to one side top to being equipped with cartridge filter water inlet pipe 21 and cartridge filter rising pipe 22, and cartridge filter rising pipe 22 is connected with feed water by reverse osmosis pipe 31, and cartridge filter 2 inside is provided with filter core 23; Reverse-osmosis treated device 3 is one or more levels reverse osmosis treatment device, feed water by reverse osmosis pipe 31, reverse osmose pure-water rising pipe 32 and reverse osmosis concentrated shrink rising pipe 33 is respectively equipped with in the both sides of reverse-osmosis treated device 3, reverse osmose pure-water rising pipe 32 is connected with back pool water inlet pipe 81, and reverse osmosis concentrated shrink rising pipe 33 is connected with acidifying blow-off groove water inlet pipe 41; Acidifying blow-off groove 4 shell is cylindrical, top adopts hemispherical head sealing, acidifying blow-off groove 4 upper and lower of leaning to one side is respectively equipped with acidifying blow-off groove water inlet pipe 41 and acidifying blow-off groove rising pipe 42, acidifying blow-off groove rising pipe 42 is connected with mixing flocculation tank water inlet pipe 51 by water pump 56, top in acidifying blow-off groove 4 is provided with and adds acid tube 43, middle part is provided with heating rod 44, bottom is provided with aerating system, the top of acidifying blow-off groove 4 is provided with escape pipe 48, and escape pipe 48 end is connected with the micro-hole aerator 47 bottom Alkali absorption groove 49; Alkali absorption groove 49 is leaned to one side as cylindrical, and bottom is conical, and sodium hydroxide absorption liquid and absorption tower filler are equipped with in Alkali absorption groove 49 inside, and bottom is provided with micro-hole aerator 47; Mixing flocculation tank 5 upper and lower of leaning to one side is respectively equipped with mixing flocculation tank water inlet pipe 51 and mixing flocculation tank rising pipe 52, mixing flocculation tank rising pipe 52 is connected by water pump 56 with settling tank water inlet pipe 61, be provided with above mixing flocculation tank 5 and add alkali pipe 53, flocculation agent chemical feed pipe 54 and flocculation agent chemical feed pipe 55, mixing flocculation tank 5 inside is provided with whipping appts; Settling tank 6 is circular vertical sedimentation basin, settling tank 6 central upper portion position is provided with settling tank water inlet pipe 61, periphery is provided with settling tank overflow weir 62 and settling tank overflow groove 63, be provided with settling tank rising pipe 64 bottom settling tank overflow groove 63, settling tank rising pipe 64 is connected with biological activated carbon reaction tank water inlet pipe 71; Biological activated carbon reaction tank 7 is cylindric, inner hub location is provided with reaction tank water inlet pipe 71, biological activated carbon reaction tank 7 top periphery is provided with reaction tank overflow weir 72 and reaction tank overflow groove 73, overflow groove rising pipe 731 is provided with bottom reaction tank overflow groove 73, reaction tank aeration tube 74 is provided with bottom biological activated carbon reaction tank 7, reaction tank aeration tube 74 front end is provided with reaction tank aeration branch pipe 75 and reaction tank micro-hole aerator 76, reaction tank aeration tube 74 end is connected with blower fan 9, being provided with filter screen 77 above reaction tank micro-hole aerator 76, is active carbon layer 78 above filter screen 77; Back pool 8 is the water collecting basin after system response, is respectively equipped with back pool water inlet pipe 81 and back pool drinking-water pipe 82 in back pool 8, and back pool water inlet pipe 81 is connected with biological activated carbon reaction tank overflow groove rising pipe 731, reverse osmose pure-water rising pipe 32.
The filtrate 13 of described sandfiltration pot 1 inside is quartz sand, hard coal or manganese sand etc., and the particle diameter of filtrate 13 is 0.5mm ~ 5mm.
The filter core 23 of described cartridge filter 2 inside is PP cotton, nylon, the material such as melt-blown, and the aperture of filter core is 0.5 ~ 120 μm.
The described acid reagent added in acid tube 43 is sulphuric acid soln.
As shown in Figure 2, the circular array of heating rod 44, in the inside of acidifying blow-off groove 4, is evenly distributed in same level.
Described absorption tower filler is the fillers such as Pall ring, cascade ring, arc saddle, square saddle.
As shown in Figure 3, aerating system is made up of blower fan 9, aeration tube 45, aeration branch pipe 46 and micro-hole aerator 47, the end of aeration tube 45 is connected with blower fan 9, the both sides, front end of aeration tube 45 are equidistantly vertically provided with each aeration branch pipe 46, each aeration branch pipe 46 is equidistantly provided with micro-hole aerator 47, and all micro-hole aerators 47 are evenly distributed in the bottom in oxidation trough 4.
The material of described micro-hole aerator 47 is stainless steel, titanium alloy or pottery.
The described alkaline reagents added in alkali pipe 53 is sodium hydroxide solution or white lime emulsion, and the flocculation agent in flocculation agent chemical feed pipe 54 is polymer inorganic salt solution, and the flocculation agent in flocculation agent chemical feed pipe 55 is polyacrylamide solution.
As shown in Figure 4, in biological activated carbon reaction tank 7, reaction tank aeration tube 74 front end is provided with reaction tank aeration branch pipe 75, reaction tank aeration branch pipe 75 is in " Swastika " font; be evenly distributed in bottom biological activated carbon reaction tank 7, each reaction tank aeration branch pipe 75 is equidistantly provided with reaction tank micro-hole aerator 76; As shown in Figure 5, filter screen 77 is disc, center drilling size is equal with reaction tank water inlet pipe 71 external diameter, filter screen 77 whole body is covered with square or circular filter opening 771, filter opening 771 size is less than the size of activated carbon granule in active carbon layer 78, filter screen 77 below circular array arranges 4 ~ 32 screen support framves 772, and screen support frame 772 two ends are welded mutually with the inwall of reaction tank water inlet pipe 71 and biological activated carbon reaction tank 7 respectively.
The utility model is when carrying out Treatment of Cyanide-containing Wastewater, first waste water enter from sandfiltration pot water inlet pipe 11, after sandfiltration pot 1 and cartridge filter 2 filter, enter into reverse-osmosis treated device 3 and carry out film process, pure water after film process flow into back pool 8 from reverse osmose pure-water rising pipe 32, condensed water enters into acidifying blow-off groove 4 from reverse osmosis concentrated shrink rising pipe 33, through adding between sulfuric acid adjustment pH to 2 ~ 3 in acid tube 43, heating rod is heated to 30 ~ 40 DEG C, under aerating system stripping bottom acidifying blow-off groove 4, prussiate in concentrated solution by stripping out, enter in Alkali absorption groove 49 and absorbed by the sodium hydroxide in Alkali absorption groove, raffinate after stripping enters in mixing flocculation tank 5, through add alkali pipe 53 adjust pH to 8 ~ 10 between, coagulating is there is under the flocculation agent added at flocculation agent chemical feed pipe 54 and flocculation agent chemical feed pipe 55 and flocculation agent effect, waste water after coagulation is pumped in settling tank 6 and carries out precipitating and solid-liquid separation, the supernatant liquor of settling tank 6 is pumped in biological activated carbon reaction tank 7 associated treatment of carrying out biological and gac, after process, water outlet enters into back pool 8, extracting water out by back pool drinking-water pipe 82 returns in the technological process of production or qualified discharge.
Claims (9)
1. a cyanide wastewater total system, it is characterized in that: be by sandfiltration pot (1), cartridge filter (2), reverse-osmosis treated device (3), acidifying blow-off groove (4), mixing flocculation tank (5), settling tank (6), biological activated carbon reaction tank (7) and back pool (8) are formed, wherein sandfiltration pot (1) is cylindrical structure, the bottom that sandfiltration pot (1) is leaned to one side and top are respectively equipped with sandfiltration pot water inlet pipe (11) and sandfiltration pot rising pipe (12), sandfiltration pot rising pipe (12) is connected with cartridge filter water inlet pipe (21), filtrate (13) is provided with in the inside of sandfiltration pot (1), cartridge filter (2) is round table-like structure, cartridge filter (2) leans to one side top to being equipped with cartridge filter water inlet pipe (21) and cartridge filter rising pipe (22), cartridge filter rising pipe (22) is connected with feed water by reverse osmosis pipe (31), and cartridge filter (2) inside is provided with filter core (23), reverse-osmosis treated device (3) is one or more levels reverse osmosis treatment device, feed water by reverse osmosis pipe (31), reverse osmose pure-water rising pipe (32) and reverse osmosis concentrated shrink rising pipe (33) is respectively equipped with in the both sides of reverse-osmosis treated device (3), reverse osmose pure-water rising pipe (32) is connected with back pool water inlet pipe (81), and reverse osmosis concentrated shrink rising pipe (33) is connected with acidifying blow-off groove water inlet pipe (41), acidifying blow-off groove (4) shell is cylindrical, top adopts hemispherical head sealing, acidifying blow-off groove (4) upper and lower of leaning to one side is respectively equipped with acidifying blow-off groove water inlet pipe (41) and acidifying blow-off groove rising pipe (42), acidifying blow-off groove rising pipe (42) is connected with mixing flocculation tank water inlet pipe (51) by water pump (56), top in acidifying blow-off groove (4) is provided with and adds acid tube (43), middle part is provided with heating rod (44), bottom is provided with aerating system, the top of acidifying blow-off groove (4) is provided with escape pipe (48), escape pipe (48) end is connected with the micro-hole aerator (47) of Alkali absorption groove (49) bottom, Alkali absorption groove (49) is leaned to one side as cylindrical, and bottom is conical, and sodium hydroxide absorption liquid and absorption tower filler are equipped with in Alkali absorption groove (49) inside, and bottom is provided with micro-hole aerator (47), mixing flocculation tank (5) upper and lower of leaning to one side is respectively equipped with mixing flocculation tank water inlet pipe (51) and mixing flocculation tank rising pipe (52), mixing flocculation tank rising pipe (52) is connected by water pump (56) with settling tank water inlet pipe (61), mixing flocculation tank (5) top is provided with and adds alkali pipe (53), flocculation agent chemical feed pipe (54) and flocculation agent chemical feed pipe (55), and mixing flocculation tank (5) inside is provided with whipping appts, settling tank (6) is circular vertical sedimentation basin, settling tank (6) central upper portion position is provided with settling tank water inlet pipe (61), periphery is provided with settling tank overflow weir (62) and settling tank overflow groove (63), settling tank overflow groove (63) bottom is provided with settling tank rising pipe (64), and settling tank rising pipe (64) is connected with biological activated carbon reaction tank water inlet pipe (71), biological activated carbon reaction tank (7) is cylindric, inner hub location is provided with reaction tank water inlet pipe (71), biological activated carbon reaction tank (7) top periphery is provided with reaction tank overflow weir (72) and reaction tank overflow groove (73), reaction tank overflow groove (73) bottom is provided with overflow groove rising pipe (731), biological activated carbon reaction tank (7) bottom is provided with reaction tank aeration tube (74), reaction tank aeration tube (74) front end is provided with reaction tank aeration branch pipe (75) and reaction tank micro-hole aerator (76), reaction tank aeration tube (74) end is connected with blower fan (9), reaction tank micro-hole aerator (76) top is provided with filter screen (77), filter screen (77) top is active carbon layer (78), back pool (8) is the water collecting basin after system response, be respectively equipped with back pool water inlet pipe (81) and back pool drinking-water pipe (82) in back pool (8), back pool water inlet pipe (81) is connected with biological activated carbon reaction tank overflow groove rising pipe (731), reverse osmose pure-water rising pipe (32).
2. a kind of cyanide wastewater total system according to claim 1, it is characterized in that: the inner filtrate (13) of described sandfiltration pot (1) is quartz sand, hard coal or manganese sand, and the particle diameter of filtrate (13) is 0.5mm ~ 5mm.
3. a kind of cyanide wastewater total system according to claim 1, it is characterized in that: the filter core (23) of described cartridge filter (2) inside is that PP is cotton, nylon or melt-blown, and the aperture of filter core (23) is 0.5 ~ 120 μm.
4. a kind of cyanide wastewater total system according to claim 1, is characterized in that: described heating rod (44) circular array, in the inside of acidifying blow-off groove (4), is evenly distributed in same level.
5. a kind of cyanide wastewater total system according to claim 1, is characterized in that: described absorption tower filler is Pall ring, cascade ring, arc saddle or square saddle.
6. a kind of cyanide wastewater total system according to claim 1, it is characterized in that: described aerating system is by blower fan (9), aeration tube (45), aeration branch pipe (46) and micro-hole aerator (47) composition, the end of aeration tube (45) is connected with blower fan (9), the both sides, front end of aeration tube (45) are equidistantly vertically provided with each aeration branch pipe (46), each aeration branch pipe (46) is equidistantly provided with micro-hole aerator (47), all micro-hole aerators (47) are evenly distributed in the bottom in oxidation trough (4).
7. a kind of cyanide wastewater total system according to claim 6, is characterized in that: the material of described micro-hole aerator (47) is stainless steel, titanium alloy or pottery.
8. a kind of cyanide wastewater total system according to claim 1, it is characterized in that: in described biological activated carbon reaction tank (7), reaction tank aeration tube (74) front end is provided with reaction tank aeration branch pipe (75), reaction tank aeration branch pipe (75) is in " Swastika " font; be evenly distributed in biological activated carbon reaction tank (7) bottom, each reaction tank aeration branch pipe (75) is equidistantly provided with reaction tank micro-hole aerator (76).
9. a kind of cyanide wastewater total system according to claim 1, it is characterized in that: described filter screen (77) is disc, center drilling size is equal with reaction tank water inlet pipe (71) external diameter, filter screen (77) whole body is covered with square or circular filter opening (771), filter opening (771) size is less than the size of activated carbon granule in active carbon layer (78), filter screen (77) below circular array arranges 4 ~ 32 screen support framves (772), screen support frame (772) two ends are welded mutually with the inwall of reaction tank water inlet pipe (71) and biological activated carbon reaction tank (7) respectively.
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| CN201420678849.XU CN204265606U (en) | 2014-11-13 | 2014-11-13 | A kind of cyanide wastewater total system |
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| CN201420678849.XU CN204265606U (en) | 2014-11-13 | 2014-11-13 | A kind of cyanide wastewater total system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111499034A (en) * | 2020-04-18 | 2020-08-07 | 深圳市翠绿黄金精炼有限公司 | Gold processing sewage treatment plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111499034A (en) * | 2020-04-18 | 2020-08-07 | 深圳市翠绿黄金精炼有限公司 | Gold processing sewage treatment plant |
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