CN109248465A - Potassium hyperchlorate the systematic stock solution and wastewater recycling process - Google Patents
Potassium hyperchlorate the systematic stock solution and wastewater recycling process Download PDFInfo
- Publication number
- CN109248465A CN109248465A CN201811127509.7A CN201811127509A CN109248465A CN 109248465 A CN109248465 A CN 109248465A CN 201811127509 A CN201811127509 A CN 201811127509A CN 109248465 A CN109248465 A CN 109248465A
- Authority
- CN
- China
- Prior art keywords
- fixing groove
- cooling bath
- potassium hyperchlorate
- mother liquor
- stock solution
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0059—General arrangements of crystallisation plant, e.g. flow sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0004—Crystallisation cooling by heat exchange
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B11/00—Oxides or oxyacids of halogens; Salts thereof
- C01B11/12—Chloric acid
- C01B11/14—Chlorates
- C01B11/145—Separation; Crystallisation; Purification, After-treatment; Stabilisation by additives
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B11/00—Oxides or oxyacids of halogens; Salts thereof
- C01B11/16—Perchloric acid
- C01B11/18—Perchlorates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D3/00—Halides of sodium, potassium or alkali metals in general
- C01D3/14—Purification
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D2009/0086—Processes or apparatus therefor
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention discloses potassium hyperchlorate the systematic stock solution and wastewater recycling process, crystal system for being crystallized to sodium chloride and the recrystallization system that potassium hyperchlorate is crystallized, crystal system includes fixing groove, locate between two parties on the inside top surface that fixing groove is fixedly installed in cabinet, the top of fixing groove offers feed inlet between two parties, the bottom of fixing groove is provided with the first support plate, the inside of first support plate is provided with heating mechanism, in crystallization process, mother liquor is poured into fixing groove by feed inlet, then start heating mechanism, fixing groove is heated, to heat the mother liquor in fixing groove, make precipitated sodium chloride crystal in mother liquor, and sodium chloride crystal and contaminant filter are fallen by the thin filter screen of fixing groove being internally provided with；The present invention can be good at separating middle sodium chloride, potassium hyperchlorate, potassium chlorate and the impurity of mother liquor by the way of crystallization and recrystallization, effectively raise the recycling and utilization rate of potassium hyperchlorate mother liquor.
Description
Technical field
The present invention relates to recovery process technical fields, specially potassium hyperchlorate the systematic stock solution and wastewater recycling process.
Background technique
Potassium hyperchlorate is a kind of white powder or colourless orthorhombic system crystalline solid, inorganic matter, needs to seal shady and cool preservation, high
Potassium chlorate system strong oxidizer, mixes with carbon, sulphur, phosphorus and organic matter, is collided and friction is also easy to produce burning and explosion, when there is chlorination
In the presence of potassium, potassium bromide, copper, iron etc., decomposition reaction can be accelerated.Stability is better than potassium chlorate, also, potassium hyperchlorate also has
There is combustion-supporting property.
The production method of potassium hyperchlorate is numerous, and what is generallyd use is to produce perchloric acid using potassium chloride and sodium perchlorate as raw material
Potassium, this method simple production process, lower production costs, the mother liquor that system generates is mainly sodium chloride, needs to discharge, while female
Also contain a small amount of potassium hyperchlorate and potassium chlorate in liquid, increases production cost, while causing the pollution of environment, mother liquor not
The problem of capable of recycling.
Summary of the invention
In view of the deficiencies of the prior art, it the present invention provides potassium hyperchlorate the systematic stock solution and wastewater recycling process, solves
Contain sodium chloride, potassium hyperchlorate and potassium chlorate in potassium hyperchlorate the systematic stock solution simultaneously, to cause that the production cost increases, environment is dirty
Dye and the problems such as cannot recycling of mother liquor.
In order to achieve the above object, the present invention is achieved by the following technical programs:
Potassium hyperchlorate the systematic stock solution and wastewater recycling process, crystal system for being crystallized to sodium chloride and to high chlorine
The recrystallization system that sour potassium is crystallized, it is characterised in that:
The crystal system includes fixing groove, and the inside top surface that the fixing groove is fixedly installed in cabinet is located between two parties,
The top of the fixing groove offers feed inlet between two parties, and the bottom of the fixing groove is provided with the first support plate, and described first
The inside of fagging is provided with heating mechanism, and in crystallization process, mother liquor is poured into the fixing groove by the feed inlet,
Then the starting heating mechanism, heats the fixing groove, to heat the mother liquor in the fixing groove, analyses mother liquor
Sodium chloride crystal out, and fallen sodium chloride crystal and contaminant filter by the thin filter screen of the fixing groove being internally provided with；
The recrystallization system includes cooling bath and cooling body compatible with the cooling bath, the bottom of the cooling bath
Portion is connected with the second support plate, and the inside of second support plate offers cold rinse bank, the mother after the thin filter screen filtration
Liquid is connected to fixing groove bottom through one end, and the other end sequentially passes through first support plate, cooling bath and extends in cooling bath
The drain column in portion flows into the cooling bath, then starts the cooling body, in the effect of the cooling body and cold rinse bank
Under, the mother liquor temperature in the cooling bath is reduced, perchlorate crystal is precipitated, remaining mother liquor passes through the bottom of the cooling bath
What place placed in the middle of portion was provided with goes out stock column outflow.
Preferably, the cooling bath and the cooling body are all set in the outer side wall surface of the cabinet, the cabinet
Outer side wall surface offer air outlet far from the side of the cooling body.
Preferably, the described one end of stock column out far from the cooling trench bottom through second support plate and extends to institute
The outside of the second support plate is stated, the outer wall surface of the side of stock column out is fixedly installed with control valve, second support plate
The both ends of the two sides of bottom surface are fixedly installed with fixing bolt.
Preferably, the heating mechanism includes heater box, and the heater box is fixedly installed in the inside of the first support plate, institute
The heating rod that is internally provided with of heater box is stated, the heating rod is internally connected with resistance wire, the top surface of the heater box
It is communicated with catheter, the catheter is communicated with header tank, the top of the header tank far from one end at the top of the heater box
It is communicated with gas-guide tube, the gas-guide tube is connected to the cabinet far from one end at the top of the header tank.
Preferably, the cooling body includes ventilation opening, and the outer side wall surface of the cabinet offers ventilation opening, described logical
Air port is connected with air-cooler, the fixed peace in side of the air-cooler far from ventilation opening far from one end of the cabinet outer side wall surface
Equipped with dust removal by filtration net, the bottom of the air-cooler is provided with support column, the support column far from the cold wind motor spindle one
End is fixedly installed with fixed plate, and the side of the fixed plate is fixedly installed in the outer side wall surface of the cabinet.
Preferably, the thin filter screen runs through the fixing groove and extends to the inner wall surface of the fixing groove, and institute
The outer side wall surface for stating the both ends of thin filter screen is fixedly installed with buckle.
Preferably, the outer side wall surface of the fixing groove is fixedly installed with heat insulating mattress, and the heat insulating mattress be it is a kind of every
Hot property is preferable, heat insulating mattress that is corrosion-resistant and slightly having micro-elasticity.
It preferably, is warm water inside the heater box, the inside of the cold rinse bank is the lower ice water of temperature.
Preferably, the section of the cooling bath be " isosceles trapezoid ", and the cooling bath be a kind of hardness and strength compared with
High and corrosion resistant rigidity material.
The present invention provides potassium hyperchlorate the systematic stock solution and wastewater recycling process.Have it is following the utility model has the advantages that
(1), the potassium hyperchlorate the systematic stock solution and wastewater recycling process, by being carried out to the water in header tank in heating mechanism
The method of heating heats fixing groove by the method for heating water bath, the sodium chloride in potassium hyperchlorate the systematic stock solution is made
Crystal is precipitated, meanwhile, the water that the header tank being equipped with is collected can again flow into heater box, increase the utilization of water circulation, avoid
The loss of energy.
(2), the potassium hyperchlorate the systematic stock solution and wastewater recycling process are enough by the double action of cooling body and cold rinse bank
Making the temperature of cooling bath reduces, to make have perchlorate crystal precipitation in the mother liquor inside cooling bath, to increase mother liquor
Recycling and utilization efficiency.
Detailed description of the invention
Fig. 1 is device therefor overall structure diagram of the present invention；
Fig. 2 is the heating mechanism enlarged drawing of device therefor of the present invention；
Fig. 3 is the cooling body enlarged drawing of device therefor of the present invention；
In figure: 1 cabinet, 2 feed inlets, 3 fixing grooves, 4 heating mechanisms, 41 gas-guide tubes, 42 header tanks, 43 catheters, 44 add
Hot tank, 45 heating rods, 46 resistance wires, 5 first support plates, 6 cooling baths, 7 cooling bodies, 71 ventilation openings, 72 air-coolers, 73 filterings
Basket strainer, 74 support columns, 75 fixed plates, 8 fixing bolts, 9 heat insulating mattress, 10 buckles, 11 thin filter screens, 12 drain columns, 13 outlet air
Mouth, 14 second support plates, 15 cold rinse banks, 16 go out stock column, 17 control valves.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: potassium hyperchlorate the systematic stock solution and wastewater recycling process, uses
In the crystal system crystallized to sodium chloride and the recrystallization system crystallized to potassium hyperchlorate,
Crystal system includes fixing groove 3, and the inside top surface that fixing groove 3 is fixedly installed in cabinet 1 is located between two parties, fixing groove
3 top offers feed inlet 2 between two parties, and the bottom of fixing groove 3 is provided with the first support plate 5, and the inside of the first support plate 5 is all provided with
It is equipped with heating mechanism 4, in crystallization process, mother liquor is poured into fixing groove 3 by feed inlet 2, then starts heating mechanism 4,
Fixing groove 3 is heated, to heat the mother liquor in fixing groove 3, makes precipitated sodium chloride crystal in mother liquor, and pass through fixing groove
The 3 thin filter screen 11 being internally provided with falls sodium chloride crystal and contaminant filter；Wherein, heating mechanism 4 includes heater box 44,
Heater box 44 is fixedly installed in the inside of the first support plate 5, and heater box 44 is internally provided with heating rod 45, heating rod 45 it is interior
Portion is connected with resistance wire 46, and the top surface of heater box 44 is communicated with catheter 43, and catheter 43 is far from 44 top of heater box
One end is communicated with header tank 42, and the top of header tank 42 is communicated with gas-guide tube 41, and gas-guide tube 41 is far from one at the top of header tank 42
End is connected to cabinet 1, moreover, header tank 42 can collect again the vapor generated in 44 heating process of heater box, thus
Increase the utilization efficiency of water；Thin filter screen 11 runs through fixing groove 3 and extends to the inner wall surface of fixing groove 3, and carefully filters
The outer side wall surface at the both ends of net 11 is fixedly installed with buckle 10；The outer side wall surface of fixing groove 3 is fixedly installed with heat insulating mattress 9,
And a kind of heat insulating mattress that is preferable, corrosion-resistant and slightly having micro-elasticity for heat-proof quality of heat insulating mattress 9, can play good heat-insulated work
With.
Recrystallization system includes cooling bath 6 and cooling body 7 compatible with cooling bath 6, and the section of cooling bath 6 is " etc.
Waist is trapezoidal ", and cooling bath 6 is that a kind of hardness and strength are higher and corrosion resistant rigidity material, durability are good；Cooling bath 6
Bottom is connected with the second support plate 14, and the inside of the second support plate 14 offers cold rinse bank 15, and thin filter screen 11 is filtered
Mother liquor is connected to 3 bottom of fixing groove through one end, and the other end sequentially passes through the first support plate 5, cooling bath 6 and extends to cooling bath 6
Internal drain column 12 flows into cooling bath 6, then starts cooling body 7, is temperature inside heater box 44 in cooling body 7
Water, the inside of cold rinse bank 15 are the lower ice water of temperature, so that the mother liquor in cooling bath 6 is accelerated cooling, perchlorate crystal is precipitated,
Remaining mother liquor is flowed out by the stock column 16 that goes out that the bottom place placed in the middle of cooling bath 6 is provided with, and is realized the recycling of mother liquor, is improved
The utilization efficiency of mother liquor；Wherein, cooling bath 6 and cooling body 7 are all set in the outer side wall surface of cabinet 1, the lateral wall of cabinet 1
Side of the surface far from cooling body 7 offers air outlet 13；Stock column 16 runs through second far from one end of 6 bottom of cooling bath out
Support plate 14 and the outside for extending to the second support plate 14, the outer wall surface of the side of stock column 16 is fixedly installed with control valve out
17, the flow of mother liquor can be controlled, realizes the recycling of mother liquor；The both ends of the two sides of second support plate, 14 bottom surface are fixedly mounted
There is fixing bolt 8；Cooling body 7 includes ventilation opening 71, and the outer side wall surface of cabinet 1 offers ventilation opening 71, and ventilation opening 71 is remote
One end from 1 outer side wall surface of cabinet is connected with air-cooler 72, and air-cooler 72 was fixedly installed with far from the side of ventilation opening 71
Filtering dust collecting net 73, the bottom of air-cooler 72 are provided with support column 74, the fixed peace in the one end of support column 74 far from 72 bottom of air-cooler
Side equipped with fixed plate 75, and fixed plate 75 is fixedly installed in the outer side wall surface of cabinet 1.
The present invention can be good at middle sodium chloride, potassium hyperchlorate, the chloric acid to mother liquor by the way of crystallization and recrystallization
Potassium and impurity are separated, and the recycling and utilization rate of potassium hyperchlorate mother liquor are effectively raised.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.By sentence " element limited including one ..., it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element ".
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. potassium hyperchlorate the systematic stock solution and wastewater recycling process, crystal system for being crystallized to sodium chloride and to perchloric acid
The recrystallization system that potassium is crystallized, it is characterised in that:
The crystal system includes fixing groove (3), and the inside top surface that the fixing groove (3) is fixedly installed in cabinet (1) occupies
The top at middle place, the fixing groove (3) offers feed inlet (2) between two parties, and the bottom of the fixing groove (3) is provided with the first support
The inside of plate (5), first support plate (5) is provided with heating mechanism (4), in crystallization process, mother liquor is passed through described
Feed inlet (2) pours into fixing groove (3), then starts the heating mechanism (4), heats to the fixing groove (3), thus
The mother liquor in the fixing groove (3) is heated, makes mother liquor precipitated sodium chloride crystal, and be arranged by the inside of the fixing groove (3)
The thin filter screen (11) having falls sodium chloride crystal and contaminant filter；
The recrystallization system includes cooling bath (6) and the compatible cooling body (7) with the cooling bath (6), the cooling
The bottom of slot (6) is connected with the second support plate (14), and the inside of second support plate (14) offers cold rinse bank (15), institute
It states thin filter screen (11) filtered mother liquor and is connected to fixing groove (3) bottom through one end, the other end sequentially passes through described first
Fagging (5), cooling bath (6) simultaneously extend in internal drain column (12) the inflow cooling bath (6) of cooling bath (6), then open
The cooling body (7) are moved, under the action of the cooling body (7) and cold rinse bank (15), make the mother in the cooling bath (6)
Liquid temperature reduces, and perchlorate crystal is precipitated, and remaining mother liquor is gone out by what the bottom place placed in the middle of the cooling bath (6) was provided with
Stock column (16) outflow.
2. potassium hyperchlorate the systematic stock solution according to claim 1 and wastewater recycling process, it is characterised in that: the cooling bath
(6) and the cooling body (7) is all set in the outer side wall surface of the cabinet (1), and the outer side wall surface of the cabinet (1) is remote
Side from the cooling body (7) offers air outlet (13).
3. potassium hyperchlorate the systematic stock solution according to claim 1 and wastewater recycling process, it is characterised in that: the stock column out
(16) one end far from the cooling bath (6) bottom through second support plate (14) and extends to second support plate
(14) outer wall surface of outside, the side of stock column (16) out is fixedly installed with control valve (17), second support plate
(14) both ends of the two sides of bottom surface are fixedly installed with fixing bolt (8).
4. potassium hyperchlorate the systematic stock solution according to claim 1 and wastewater recycling process, it is characterised in that: the heater
Structure (4) includes heater box (44), and the heater box (44) is fixedly installed in the inside of the first support plate (5), the heater box
(44) be internally provided with heating rod (45), the heating rod (45) is internally connected with resistance wire (46), the heater box
(44) top surface is communicated with catheter (43), and the catheter (43) is far from one end connection at the top of the heater box (44)
Have header tank (42), be communicated with gas-guide tube (41) at the top of the header tank (42), the gas-guide tube (41) is far from header tank
(42) one end at the top of is connected to the cabinet (1).
5. potassium hyperchlorate the systematic stock solution according to claim 1 and wastewater recycling process, it is characterised in that: the cooler
Structure (7) includes ventilation opening (71), and the outer side wall surface of the cabinet (1) offers ventilation opening (71), and the ventilation opening (71) is remote
One end from the cabinet (1) outer side wall surface is connected with air-cooler (72), and the air-cooler (72) is far from the ventilation opening
(71) side is fixedly installed with dust removal by filtration net (73), and the bottom of the air-cooler (72) is provided with support column (74), described
Support column (74) is fixedly installed with fixed plate (75) far from one end of the air-cooler (72) bottom, and the fixed plate (75)
Side be fixedly installed in the outer side wall surface of the cabinet (1).
6. potassium hyperchlorate the systematic stock solution according to claim 1 and wastewater recycling process, it is characterised in that: the thin filtering
Net (11) runs through the fixing groove (3) and extends to the inner wall surface of the fixing groove (3), and the thin filter screen (11)
The outer side wall surface at both ends is fixedly installed with buckle (10).
7. potassium hyperchlorate the systematic stock solution according to claim 1 and wastewater recycling process, it is characterised in that: the fixing groove
(3) outer side wall surface is fixedly installed with heat insulating mattress (9), and the heat insulating mattress (9) is that a kind of heat-proof quality is preferable, corrosion-resistant
And slightly there is the heat insulating mattress of micro-elasticity.
8. potassium hyperchlorate the systematic stock solution according to claim 4 and wastewater recycling process, it is characterised in that: the heater box
(44) internal is warm water, and the inside of the cold rinse bank (15) is the lower ice water of temperature.
9. potassium hyperchlorate the systematic stock solution according to claim 1 and wastewater recycling process, it is characterised in that: the cooling bath
(6) section is " isosceles trapezoid ", and the cooling bath (6) is that a kind of hardness and strength are higher and corrosion resistant rigidity material
Matter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811127509.7A CN109248465A (en) | 2018-09-27 | 2018-09-27 | Potassium hyperchlorate the systematic stock solution and wastewater recycling process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811127509.7A CN109248465A (en) | 2018-09-27 | 2018-09-27 | Potassium hyperchlorate the systematic stock solution and wastewater recycling process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109248465A true CN109248465A (en) | 2019-01-22 |
Family
ID=65047570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811127509.7A Pending CN109248465A (en) | 2018-09-27 | 2018-09-27 | Potassium hyperchlorate the systematic stock solution and wastewater recycling process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109248465A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119977041A (en) * | 2025-04-14 | 2025-05-13 | 江苏德邦兴华化工科技有限公司 | A soda ash production waste liquid recovery and treatment equipment |
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| CN102807192A (en) * | 2012-08-08 | 2012-12-05 | 浏阳市化工厂有限公司 | Potassium perchlorate production technology with zero wastewater discharge and products thereof |
| CN204251354U (en) * | 2014-11-26 | 2015-04-08 | 清远市中宇环保实业有限公司 | A kind of energy-saving copper sulfate crystal tripping device |
| CN205773322U (en) * | 2016-05-27 | 2016-12-07 | 湖南傲创科技有限公司湘潭分公司 | A kind of recovery potassium hyperchlorate and device of sodium chloride from potassium hyperchlorate effluent brine |
| CN207012600U (en) * | 2017-07-18 | 2018-02-16 | 清远市中宇环保实业股份有限公司 | A kind of cupric sulphate crystal equipment |
| CN207483804U (en) * | 2017-11-17 | 2018-06-12 | 赣县红金稀土有限公司 | A kind of oxalic rare earth precipitates mother liquor recovering device |
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2018
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7250144B2 (en) * | 2005-05-11 | 2007-07-31 | Tronox Llc | Perchlorate removal from sodium chlorate process |
| CN102807192A (en) * | 2012-08-08 | 2012-12-05 | 浏阳市化工厂有限公司 | Potassium perchlorate production technology with zero wastewater discharge and products thereof |
| CN204251354U (en) * | 2014-11-26 | 2015-04-08 | 清远市中宇环保实业有限公司 | A kind of energy-saving copper sulfate crystal tripping device |
| CN205773322U (en) * | 2016-05-27 | 2016-12-07 | 湖南傲创科技有限公司湘潭分公司 | A kind of recovery potassium hyperchlorate and device of sodium chloride from potassium hyperchlorate effluent brine |
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| CN119977041A (en) * | 2025-04-14 | 2025-05-13 | 江苏德邦兴华化工科技有限公司 | A soda ash production waste liquid recovery and treatment equipment |
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Application publication date: 20190122 |