CN208055173U - A kind of spent acid and steel wire rope sewage sludge harmlessness processing system - Google Patents
A kind of spent acid and steel wire rope sewage sludge harmlessness processing system Download PDFInfo
- Publication number
- CN208055173U CN208055173U CN201820351835.5U CN201820351835U CN208055173U CN 208055173 U CN208055173 U CN 208055173U CN 201820351835 U CN201820351835 U CN 201820351835U CN 208055173 U CN208055173 U CN 208055173U
- Authority
- CN
- China
- Prior art keywords
- connect
- feed inlet
- reaction kettle
- discharge port
- sludge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Treatment Of Sludge (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model discloses a kind of spent acid and steel wire rope sewage sludge harmlessness processing system, heavy metal sewage sludge extraction reaction kettle is connect with sedimentation basin, sedimentation basin is connect with reduction reaction kettle feed inlet, reduction reaction kettle is adjusted with the first PH and the feed inlet of coagulative precipitation tank is connect, first PH is adjusted and coagulative precipitation tank is adjusted with the 2nd PH and the feed inlet of coagulative precipitation tank is connect, 2nd PH is adjusted and coagulative precipitation tank is connect with reaction kettle feed inlet, reaction kettle is connect with filter plant one end, first PH is adjusted and coagulative precipitation tank gas discharge mouth connects the feed inlet of two groups of packed absorbers, the discharge port of two groups of packed absorbers connects activated carbon adsorption device, activated carbon adsorption device is connect with wind turbine, the gas discharge mouth of reaction kettle is connect with three groups of absorption towers HCl, three groups of absorption towers HCl are connect with water-circulating pump.The utility model solves the problems, such as that the sludge toxicity generated in steel wire rope production is high, harm is big, yield is big, difficult and generation secondary pollution risk.
Description
Technical field
The utility model is related to a kind of innocuity disposal system, especially a kind of spent acid is handled with steel wire rope sewage sludge harmlessness
System.
Background technology
Waste hydrochloric acid, wherein general containing HCl>5%, while a large amount of Fe may be contained2+And a certain amount of Pb2+Or Zn2+Ion.Cause
Its acid concentration is high, has strong corrosive, is put into National Hazard waste register（HW34 spent acid）.Processing side widely used at present
Method has（1）Acid-base neutralization method, but its reagent consumption amount is big, and plurality of heavy metal sludge is will produce, form secondary pollution；（2）It is high
Warm roasting method, recycles HCl and iron oxide red, but the process contains a certain amount of lead zinc ion in the iron oxide red of generation, influences its product at height
Matter.
Steel wire rope sludge is flushing water after steel wire rope pickling, the hydroxide that is generated in processing procedure precipitation, mainly with Fe,
Based on the heavy metal hydroxides such as Ca, Zn, Pb.Because of Heavy Metal Level In Sludge height, toxicity is high, is put into National Hazard waste name
Record（HW17 surface treatment wastes）.Main processing method is cement kiln synergic processing to heavy metal sewage sludge at present, but steel wire rope is dirty
High lead, zinc, chlorinity in mud, can have an impact Cement Quality, and cooperative disposal limited ability influences Cement Quality, and water
Stall cooperative disposal can not fundamentally remove removing heavy metals, and cause the waste of resource.
It is less to steel wire rope sludge, waste hydrochloric acid and electrode foil Waste Sulfuric Acid recycling, the technical study of harmless treatment at present.
105603447 A of patent CN（A kind of system and method for steel wire rope acid-washing waste acid disposal of resources technique）Using
The method of " high pressure chlorination hydrogen separation+dehydration technology+high-temperature roasting " realizes separating hydrogen chloride, recycling precipitation lead, recycling iron oxide
The purpose of pigment, the invention have ignored quality shadow of the other impurities present in steel wire rope spent acid to precipitation lead and iron oxide pigment
It rings, meanwhile, energy consumption is high.
107098556 A of patent CN（The method of recycling sludge recycling metal in Wire Rope Production）Using electrolysis
Steel wire rope sludge spent acid mixed liquor is handled, solution of ferrous chloride is made after then handling in recycling wherein heavy metal ion, electrolyte.Steel
Torpescence metal in cord sludge spent acid mixed liquor（Copper, lead etc.）Total content 0.5% hereinafter, handled using electrolysis, electricity
Energy consumption is excessively high.
106186445 A of patent CN（A kind of steel wire rope acid-washing waste acid and it is total to disposal system and technique containing high zinc, lead sludge）
Sulphide precipitation processing steel wire rope spent acid and the mixed liquor containing high zinc, lead sludge are directly used, steel wire rope spent acid is had ignored
Present in a large amount of influences of the iron ion to lead zinc sulfide precipitation, and do not refer to containing other heavy metals in high zinc, lead sludge from
Son.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of spent acid and steel wire rope sewage sludge harmlessness processing system,
Solve that the sludge toxicity generated in steel wire rope production is high, harm is big, yield is big, difficult and generate secondary pollution risk
The problem of.
In order to solve the above technical problems, technical solution used by the utility model is：
A kind of spent acid and steel wire rope sewage sludge harmlessness processing system, it is characterised in that：Including heavy metal sewage sludge extraction reaction
Kettle, sedimentation basin, reduction reaction kettle, the first PH is adjusted and coagulative precipitation tank, the 2nd PH adjustings and coagulative precipitation tank, reaction kettle, mistake
Filter equipment, the first intermediate water tank, two groups of packed absorbers, activated carbon adsorption device, wind turbine, three groups of absorption towers HCl and water cycle
Pump, heavy metal sewage sludge extract reaction kettle discharge port and sedimentation basin feed inlet connect, sedimentation basin supernatant liquor discharge port with also
Original reactor feed inlet connects, and reduction reaction kettle discharge port is adjusted with the first PH and the feed inlet of coagulative precipitation tank is connect, and first
PH is adjusted and the supernatant liquor discharge port of coagulative precipitation tank is adjusted with the 2nd PH and the feed inlet of coagulative precipitation tank is connect, the 2nd PH
It adjusts and the upside clear liquid discharge port of coagulative precipitation tank is connect with reaction kettle feed inlet, reaction kettle supernatant liquor discharge port and filtering
Equipment one end connects, and the filter plant other end connects the first intermediate water tank, and two groups of packed absorbers are serially connected, and the first PH is adjusted
And coagulative precipitation tank gas discharge mouth connects the feed inlet of two groups of packed absorbers, the discharge port connection of two groups of packed absorbers is lived
The feed inlet of property charcoal adsorbent equipment, the discharge port of activated carbon adsorption device are connect with wind turbine, and three groups of absorption towers HCl are serially connected,
The gas discharge mouth of reaction kettle is connect with the feed inlet on three groups of absorption towers HCl, the discharge port and water-circulating pump on three groups of absorption towers HCl
Connection.
Further, heavy metal sewage sludge extraction reaction kettle upper end feed inlet is provided with belt conveyor, Belt Conveying
Machine is obliquely installed and the setting of belt conveyor upper end is above heavy metal sewage sludge extraction reaction kettle feed inlet.
Further, the sludge discharge hole and the first sludge concentration tank feed inlet of the first PH adjustings and coagulative precipitation tank
Connection, the first sludge concentration tank discharge port are connect with the first plate compression system feeding mouth, and the first plate compression system solid goes out
Material mouth is connect with the first sludge drying system.
Further, the sludge discharge hole and the second sludge concentration tank feed inlet of the 2nd PH adjustings and coagulative precipitation tank
Connection, the second sludge concentration tank discharge port are connect with the second plate compression system feeding mouth, the second plate compression system discharge port
It is connect with dissolving polymeric pool feed inlet, dissolving polymeric pool discharge port is connect with the second intermediate water tank.
Further, the sludge discharge hole of the reaction kettle is connect with the feed inlet of third sludge concentration tank, third sludge
The discharge port of concentration basin connects third plate compression system feeding mouth, and the discharge port of third plate compression system connects the second sludge
Anhydration system.
Further, the plate compression system includes fast disassembly type filter plate, and fast disassembly type filter plate includes filter frame, removable filter
Plate and Quick-disassembling mechanism, filter frame both sides, which are provided with, to be arranged with the removable matched groove of filter plate shape, removable filter plate insertion in filter frame two
In the groove of side, Quick-disassembling mechanism includes lever, handle and two panels arc spring lamination, and two panels arc spring lamination both ends are mutually fixedly set structure
At a fusiformis elastic component, fusiformis elastic component one end is fixed in filter frame, and the fusiformis elastic component other end is hinged with lever one end, filter frame
Corresponding fusiformis elastic component both sides, which are provided with, to be hinged on the matched groove of fusiformis elastic component, lever in filter frame, handle, at its lower end and lever
The other end is hinged and handle, at its lower end and lever upper end are provided with intermeshing stepped groove for handle rotary spacing, on filter frame
Side is provided with and the matched conduit of handle.
The utility model compared with prior art, has the following advantages and effect：
1. the ion reforming step of the utility model can effectively realize the separation of lead zinc and iron, after sulfide precipitation
Pb contents in solution of ferrous chloride<5mg/L, Zn content<100mg/L.
2. the dissolving polymerization procedure of iron hydroxide in the utility model, effectively realize in steel wire rope sludge ferro element with
Innoxious, the recycling treatment of electrode foil Waste Sulfuric Acid.
3. the advanced treating step of the coagulating sedimentation water outlet in the utility model, effectively realizes the resource of electrode foil spent acid
Change and utilize, the hydrogen chloride of generation can be back to wire rope factory and is surface-treated, and the gypsum of generation can be used as the building materials such as plasterboard.
4. the utility model utmostly realizes the harmlessness disposing of steel wire rope sludge, hydrochlorate acid, electrode foil Waste Sulfuric Acid
And recycling.
Description of the drawings
Fig. 1 is the schematic diagram of a kind of spent acid and steel wire rope sewage sludge harmlessness processing system of the utility model.
Fig. 2 is the schematic diagram of the fast disassembly type filter plate of the utility model.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following embodiment is pair
The explanation of the utility model and the utility model is not limited to following embodiment.
As shown, a kind of spent acid of the utility model and steel wire rope sewage sludge harmlessness processing system, including heavy metal-polluted
Mud extracts reaction kettle 1, sedimentation basin 2, reduction reaction kettle 3, the first PH adjustings and coagulative precipitation tank 4, the 2nd PH are adjusted and coagulation is heavy
Shallow lake pond 5, reaction kettle 6, filter plant 7, the first intermediate water tank 8, two groups of packed absorbers 9, activated carbon adsorption device 10, wind turbines
11, three groups of absorption towers HCl 12 and water-circulating pump 13, heavy metal sewage sludge extract the feed inlet of the discharge port and sedimentation basin 2 of reaction kettle 1
Connection, 2 supernatant liquor discharge port of sedimentation basin are connect with 3 feed inlet of reduction reaction kettle, 3 discharge port of reduction reaction kettle and the first PH tune
The connection of the feed inlet of section and coagulative precipitation tank 4, the first PH is adjusted and the supernatant liquor discharge port and the 2nd PH tune of coagulative precipitation tank 4
The connection of the feed inlet of section and coagulative precipitation tank 5, the 2nd PH is adjusted and the upside clear liquid discharge port and reaction kettle 6 of coagulative precipitation tank 5
Feed inlet connects, and 6 supernatant liquor discharge port of reaction kettle is connect with 7 one end of filter plant, in 7 other end of filter plant connection first
Between water tank 8, two groups of packed absorbers 9 are serially connected, and the first PH is adjusted and 4 gas discharge mouth of coagulative precipitation tank connects two groups of fillers
The feed inlet on absorption tower 9, the feed inlet of the discharge port connection activated carbon adsorption device 10 of two groups of packed absorbers 9, activated carbon are inhaled
The discharge port of adsorption device 10 is connect with wind turbine 11, and three groups of absorption towers HCl 12 are serially connected, the gas discharge mouth of reaction kettle 6 and three
The feed inlet connection on the absorption towers group HCl 12, the discharge port on three groups of absorption towers HCl 12 are connect with water-circulating pump 13.
Heavy metal sewage sludge extraction 1 upper end feed inlet of reaction kettle is provided with belt conveyor 14, and the inclination of belt conveyor 14 is set
It sets and the setting of 14 upper end of belt conveyor is above heavy metal sewage sludge extraction 1 feed inlet of reaction kettle.First PH is adjusted and coagulation
The sludge discharge hole of sedimentation basin 4 is connect with 15 feed inlet of the first sludge concentration tank, the first sludge concentration tank discharge port 15 and first
16 feed inlet of plate compression system connects, and 16 solid outlet of the first plate compression system and the first sludge drying system 17 connect
It connects.2nd PH is adjusted and the sludge discharge hole of coagulative precipitation tank 5 is connect with 18 feed inlet of the second sludge concentration tank, and the second sludge is dense
18 discharge port of contracting pond is connect with 19 feed inlet of the second plate compression system, and 19 discharge port of the second plate compression system polymerize with dissolving
Pond 20 feed inlet connection, dissolving 20 discharge port of polymeric pool are connect with the second intermediate water tank 21.The sludge discharge hole of reaction kettle 6 and the
The feed inlet of three sludge concentration tanks 22 connects, and the discharge port connection third plate compression system 23 of third sludge concentration tank 22 is fed
Mouthful, the discharge port of third plate compression system 23 connects the second sludge drying system 24.
Plate compression system includes fast disassembly type filter plate, and fast disassembly type filter plate includes filter frame 25, removable filter plate and Quick Release machine
Structure, 25 both sides of filter frame, which are provided with, to be arranged with the matched groove 26 of removable filter plate shape, removable filter plate insertion in the recessed of filter frame both sides
In slot 26, Quick-disassembling mechanism includes lever 27, handle 28 and two panels arc spring lamination 29, and 29 both ends of two panels arc spring lamination, which are fixed to each other, to be set
It sets and constitutes a fusiformis elastic component, fusiformis elastic component one end is fixed in filter frame 25, the fusiformis elastic component other end and 27 one end of lever
Hinged, the correspondence fusiformis elastic component of filter frame 25 both sides, which are provided with, to be hinged on the matched groove of fusiformis elastic component, lever 27 in filter frame 25,
28 lower end of handle is hinged with 27 other end of lever and 28 lower end of handle is provided with intermeshing stepped groove with 27 upper end of lever
For 28 rotary spacing of handle, 25 upside of filter frame is provided with and 28 matched conduit 30 of handle.When not in use, the folding of handle 28 is put
It sets in conduit 30, when needing to dismantle Quick Release filter plate, handle 28 is rotated out to and is rotated further drive lever 27, to
Fusiformis elastic component is squeezed, fusiformis elastic component, which is deformed to both sides, to be extended, and is stretched out to eject Quick Release filter plate from groove and be dismantled, side
Just quick.
Steel wire rope sludge enters heavy metal sewage sludge extraction reaction kettle 1 by belt transport and is mixed with waste hydrochloric acid；Mixing is abundant
Enter sedimentation basin 2 afterwards, is separated by solid-liquid separation；The solid portion of separation is back to heavy metal sewage sludge extraction reaction kettle 1, the liquid of separation
Body enters reduction reaction kettle 3, and the ferric ion in solution is reduced into ferrous ion；Liquid after reduction enters the first PH
It adjusts and coagulative precipitation tank 4 is added vulcanized sodium medicament, lead, zinc ion is made to be precipitated with sulphided form after progress pH adjustings, it is real
Existing lead zinc and iron efficiently separate；After the lead zinc precipitation of generation enters the concentration of the first sludge concentration tank 15, the first sheet frame is entered back into
Press filteration system 16 cleaned, be dehydrated after, sent to the first sludge drying system 17 by screw conveyor, carry out sludge drying,
Sludge after desiccation is sent outside after being packaged；First PH is adjusted and the water outlet of coagulative precipitation tank 4 enters the 2nd PH adjustings and coagulating sedimentation
Calcium hydroxide emulsion is added in pond 5, and adjusting solution ph makes iron ion in solution precipitate as ferric hydroxide；Iron hydroxide is heavy
It forms sediment after entering the concentration of the second concentration basin 18, into the cleaning of the second plate compression system 19, dehydration, dewatered iron hydroxide solid
It is delivered to dissolving polymeric pool by screw conveyor, the polymerised sulphur generated after the reaction of electrode foil spent acid, polymerization is added in polymeric pool
After sour iron is kept in into the second intermediate water tank 21, send to bodied ferric sulfate storage tank；2nd PH is adjusted and coagulative precipitation tank 5 goes out
Water enters reaction kettle 6, and electrode foil Waste Sulfuric Acid, and controlling reaction temperature is added；The hydrogen chloride gas of generation is absorbed by three-level HCl
After tower 12 absorbs, discharged through water-circulating pump 13；The water outlet of reaction kettle 6 enters filter plant 7, is discharged after filtering and enters intermediate water tank
After buffering, direct emission；After the gypsum deposition that reaction kettle 6 generates enters the concentration of third sludge concentration tank 22, third plate is entered back into
Frame press filteration system 23 cleaned, be dehydrated after, sent to the second sludge drying system 24 by screw conveyor, the gypsum after desiccation
Solid packing is sent outside.
The hydrogen sulfide gas generated in first PH adjustings and coagulative precipitation tank 4 is pumped by wind turbine 11 to two-stage packing material absorbing
In tower 9, after being absorbed by lye, after gas is by activated carbon adsorption device 10, discharge.
Pass through the spent acid and steel wire rope sludge treatment technique system of the utility model, the lead zinc sludge lead zinc abundance point of generation
Do not reach 12.1%, 9.6%；In the ferrum sulfuricum oxydatum solutum of generation, iron concentration 11.8%；The concentration of hydrochloric acid 24.6% of generation；It generates
Gypsum moisture content 9.8%；Realize innoxious, the recycling treatment of steel wire rope sludge and spent acid.
Described in this specification above content is only to the utility model example explanation.The utility model
Person of ordinary skill in the field can do described specific embodiment various modifications or supplement or use similar side
Formula substitutes, content without departing from the utility model specification or beyond the scope defined by this claim, should all
Belong to the scope of protection of the utility model.
Claims (6)
1. a kind of spent acid and steel wire rope sewage sludge harmlessness processing system, it is characterised in that：Including heavy metal sewage sludge extraction reaction kettle,
Sedimentation basin, reduction reaction kettle, the first pH adjustings and coagulative precipitation tank, the 2nd pH adjustings and coagulative precipitation tank, reaction kettle, filtering are set
Standby, the first intermediate water tank, two groups of packed absorbers, activated carbon adsorption device, wind turbine, three groups of absorption towers HCl and water-circulating pump, weight
The feed inlet for the discharge port and sedimentation basin that metal sludge extracts reaction kettle connects, sedimentation basin supernatant liquor discharge port and reduction reaction
Kettle feed inlet connects, and reduction reaction kettle discharge port is adjusted with the first pH and the feed inlet of coagulative precipitation tank is connect, and the first pH is adjusted
And the supernatant liquor discharge port of coagulative precipitation tank is adjusted with the 2nd pH and the feed inlet of coagulative precipitation tank is connect, the 2nd pH adjust and
The upside clear liquid discharge port of coagulative precipitation tank is connect with reaction kettle feed inlet, reaction kettle supernatant liquor discharge port and filter plant one
End connection, the filter plant other end connect the first intermediate water tank, and two groups of packed absorbers are serially connected, and the first pH is adjusted and coagulation
Sedimentation basin gas discharge mouth connects the feed inlet of two groups of packed absorbers, and the discharge port connection activated carbon of two groups of packed absorbers is inhaled
The discharge port of the feed inlet of adsorption device, activated carbon adsorption device is connect with wind turbine, and three groups of absorption towers HCl are serially connected, reaction kettle
Gas discharge mouth connect with the feed inlet on three groups of absorption towers HCl, the discharge port on three groups of absorption towers HCl is connect with water-circulating pump.
2. spent acid described in accordance with the claim 1 and steel wire rope sewage sludge harmlessness processing system, it is characterised in that：The heavy metal
Sludge extraction reaction kettle upper end feed inlet is provided with belt conveyor, and belt conveyor is obliquely installed and belt conveyor upper end
Setting is above heavy metal sewage sludge extraction reaction kettle feed inlet.
3. spent acid described in accordance with the claim 1 and steel wire rope sewage sludge harmlessness processing system, it is characterised in that：First PH
Adjust and the sludge discharge hole of coagulative precipitation tank connect with the first sludge concentration tank feed inlet, the first sludge concentration tank discharge port and
First plate compression system feeding mouth connects, and the first plate compression system solid outlet is connect with the first sludge drying system.
4. spent acid described in accordance with the claim 1 and steel wire rope sewage sludge harmlessness processing system, it is characterised in that：2nd PH
Adjust and the sludge discharge hole of coagulative precipitation tank connect with the second sludge concentration tank feed inlet, the second sludge concentration tank discharge port and
Second plate compression system feeding mouth connects, and the second plate compression system discharge port is connect with dissolving polymeric pool feed inlet, is dissolved
Polymeric pool discharge port is connect with the second intermediate water tank.
5. spent acid described in accordance with the claim 1 and steel wire rope sewage sludge harmlessness processing system, it is characterised in that：The reaction kettle
Sludge discharge hole connect with the feed inlet of third sludge concentration tank, the discharge port of third sludge concentration tank connects third sheet frame pressure
System feeding mouth is filtered, the discharge port of third plate compression system connects the second sludge drying system.
6. according to 3,4,5 any one of them spent acid of claim and steel wire rope sewage sludge harmlessness processing system, it is characterised in that：
The plate compression system includes fast disassembly type filter plate, and fast disassembly type filter plate includes filter frame, removable filter plate and Quick-disassembling mechanism, filter frame
Both sides, which are provided with, to be arranged with the removable matched groove of filter plate shape, removable filter plate insertion in the groove of filter frame both sides, Quick Release machine
Structure includes lever, handle and two panels arc spring lamination, and two panels arc spring lamination both ends, which are mutually fixedly set, constitutes a fusiformis elastic component, shuttle
Shape elastic component one end is fixed in filter frame, and the fusiformis elastic component other end is hinged with lever one end, and filter frame corresponds to fusiformis elastic component two
Side, which is provided with, to be hinged on the matched groove of fusiformis elastic component, lever in filter frame, and handle, at its lower end is hinged with the lever other end and hand
Handle lower end is provided with intermeshing stepped groove for handle rotary spacing with lever upper end, and filter frame upside is provided with to be matched with handle
Conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820351835.5U CN208055173U (en) | 2018-03-15 | 2018-03-15 | A kind of spent acid and steel wire rope sewage sludge harmlessness processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820351835.5U CN208055173U (en) | 2018-03-15 | 2018-03-15 | A kind of spent acid and steel wire rope sewage sludge harmlessness processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208055173U true CN208055173U (en) | 2018-11-06 |
Family
ID=63988568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820351835.5U Active CN208055173U (en) | 2018-03-15 | 2018-03-15 | A kind of spent acid and steel wire rope sewage sludge harmlessness processing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208055173U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110642347A (en) * | 2019-09-27 | 2020-01-03 | 江苏荣信环保科技有限公司 | Method for preparing industrial flocculant from acid solution containing high iron, lead and zinc |
-
2018
- 2018-03-15 CN CN201820351835.5U patent/CN208055173U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110642347A (en) * | 2019-09-27 | 2020-01-03 | 江苏荣信环保科技有限公司 | Method for preparing industrial flocculant from acid solution containing high iron, lead and zinc |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105084591B (en) | One kind fluorination high fluoride wastewater treatment technique of work | |
| CN102010086B (en) | Method for treating mercury-containing wastewater with three-section continuous process | |
| CN102642953B (en) | Treatment method for high-salinity heavy-metal-containing production sewage | |
| CN111842441B (en) | Method and system for removing heavy metals in household garbage incineration fly ash | |
| WO2014131142A1 (en) | Harmless comprehensive treatment method for cyanide tailing pulp | |
| CN108483501A (en) | A kind of method of comprehensive utilization of electrolytic manganese residues water lotion | |
| CN105060579A (en) | Advanced treatment method of fluoride-containing wastewater | |
| CN108383272A (en) | A kind of sludge recovery treatment method of waste acid that wire rope factory generates | |
| CN206359427U (en) | Garbage flying ash water-washing pre-treatment and cement kiln collaboration disposal of resources system | |
| CN208055172U (en) | A kind of sludge and waste acid resource system of wire rope factory generation | |
| CN108358409A (en) | A kind of steel wire rope sludge and spent acid method for innocent treatment | |
| CN102936070A (en) | Method for treating mercury-containing wastewater during PVC (Polyvinyle Chloride) production through two-step process | |
| CN102311189A (en) | System for treatment of acid mine drainage and resource recovery of iron, aluminum, copper and zinc in drainage | |
| CN107840511A (en) | Coal chemical industry method for treating strong brine and system | |
| CN109437463A (en) | Coal calcination vanadium extraction high-salt wastewater advanced treatment and reclamation device and application method | |
| CN208055173U (en) | A kind of spent acid and steel wire rope sewage sludge harmlessness processing system | |
| CN204848520U (en) | Blue - green algae treatment system | |
| CN109133459A (en) | A kind of desulfurization wastewater recycling processing method | |
| CN102580697B (en) | Sodium bentonite-AM-AA composite lead ion absorbing agent | |
| CN100343187C (en) | Treatment process for industrial wastewater of VB12 production and dedicated wastewater treatment machine therefor | |
| CN102897885A (en) | Double-circulation spraying type arsenic removal method and equipment for sulfuric acid industry | |
| CN102153219B (en) | Treatment method for waste water after purification of graphite | |
| CN102872831A (en) | Compound adsorption material capable of removing cadmium ions in native water and preparation method thereof | |
| CN210393972U (en) | Desulfurization waste water resourceful treatment system | |
| CN109368850A (en) | A kind of desulfurization wastewater recycling treatment system and application method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |