CN205575754U - Desulfurization waste liquid atmospheric oxidation tower - Google Patents
Desulfurization waste liquid atmospheric oxidation tower Download PDFInfo
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- CN205575754U CN205575754U CN201620359535.2U CN201620359535U CN205575754U CN 205575754 U CN205575754 U CN 205575754U CN 201620359535 U CN201620359535 U CN 201620359535U CN 205575754 U CN205575754 U CN 205575754U
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Abstract
The utility model relates to a desulfurization waste liquid processing technology field specifically provides a desulfurization waste liquid atmospheric oxidation tower, including tower body, air inlet, gas outlet, inlet and liquid outlet, air inlet, liquid outlet all set up in the bottom of tower body, and the position of air inlet is higher than the liquid outlet position, and inlet, gas outlet all set up in the top of tower body, and the position of gas outlet is higher than the position of inlet, is provided with the tower content chamber that is used for atmospheric oxidation in the tower body, and air inlet, gas outlet, inlet and liquid outlet all communicate with the tower content chamber of tower body. This desulfurization waste liquid atmospheric oxidation tower carries out the oxidation to the desulfurization waste liquid that produces simple and conveniently after coke -oven plant's ammonia process of desulfurization, become ammonium sulfate with the ATS (Ammonium thiosulphate) oxidation in the desulfurization waste liquid simple and conveniently, its easy operation, and the cost is lower, and the difficult secondary pollution that produces.
Description
Technical field
This utility model relates to field of desulfurization waste liquid treatment technology, takes off in particular to one
Sulfur waste liquid air oxidation tower.
Background technology
Current most of coke-oven plant all carries out the ammonia process of desulfurization all can produce substantial amounts of desulfurization waste liquor, its
Desulfurization waste liquor needs to be further processed therefrom extracting the product such as ammonium sulfate, ammonium thiocyanate.Existing
Some methods are mainly by adding sulphuric acid or strong oxidizer the thiosulfuric acid in desulfurization waste liquor
Ammonium is oxidized to ammonium sulfate, thus obtains qualified products ammonium sulfate.But there is operation complexity, cost
Problem that is higher, that easily produce secondary pollution.
Utility model content
The purpose of this utility model is to provide a kind of desulfurization waste liquor air oxidation tower.With simple side
Just the desulfurization waste liquor produced after coke-oven plant's ammonia process of desulfurization is aoxidized, simply and easily will be de-
Ammonium hyposulfite. in sulfur waste liquid is oxidized to ammonium sulfate, and it is simple to operate, and cost is relatively low, and not
It is easily generated secondary pollution.
This utility model is achieved in that
A kind of desulfurization waste liquor air oxidation tower, including tower body, air inlet, gas outlet, inlet with
And liquid outlet, air inlet, liquid outlet may be contained within the bottom of tower body, and the position of air inlet is higher than liquid
Mouthful position, inlet, gas outlet may be contained within the top of tower body, and the position of gas outlet is higher than inlet
Position, be provided with the tower content cavity for air oxidation, air inlet, gas outlet, feed liquor in tower body
Mouth and liquid outlet all connect with tower content cavity.
Further, above-mentioned tower body includes roof, diapire and sidewall, and air inlet is arranged at sidewall
Bottom, gas outlet is arranged at described roof, and described inlet is arranged at the top of described sidewall, described
Liquid outlet is arranged at described diapire.
Further, it is provided with for disperseing compressed-air actuated air bottom the tower content cavity of above-mentioned tower body
Distributor, air inlet connects with air sparger, and air sparger connects with tower content cavity, and air divides
Cloth device is provided with multiple venthole straight up.
Further, the tower content cavity top of above-mentioned tower body is provided with waste liquid distributor, waste liquid distributor
Connecting with inlet opening, waste liquid distributor is provided with multiple liquid outlet.
Further, above-mentioned waste liquid distributor is the ring pipe connected with inlet, and multiple liquid outlets set
It is placed in the bottom of ring pipe.
Further, the bottom of above-mentioned tower content cavity is additionally provided with and adds hot charging for improve reaction temperature
Put.
Further, above-mentioned heater includes steam pipe coil, and the sidewall of tower body is provided with steam inlet tube
And condense water and go out pipe, steam inlet tube and condense water go out pipe respectively with the entrance point of steam pipe coil and
The port of export connects.
Further, above-mentioned tower body is additionally provided with the first temperature survey mouth, the second temperature survey mouth, the
One temperature survey mouth is arranged at the top of the sidewall of tower body, and the second temperature survey mouth is arranged at tower body sidewall
Bottom.
Further, the bottom of the sidewall of above-mentioned tower body is additionally provided with sample tap.
Further, the sidewall of above-mentioned tower body is additionally provided with multiple observation port, and multiple observation ports are respectively provided with
There is visor.
The beneficial effect that this utility model realizes: by arranging air inlet in the bottom of tower body, and
The top of tower body arranges gas outlet, thus air can flow, from giving vent to anger from the bottom up in tower body
Mouth is discharged, and arranges inlet further through the top at tower body, and bottom arranges liquid outlet thus waste liquid is at tower
Internal flow from top to down, and then the direction of motion of waste liquid and air is contrary so that air can be with
Waste liquid in tower contacts fully and reacts so that the oxygen in air can be with fully oxidized desulfurization
Ammonium hyposulfite. in waste liquid is oxidized to ammonium sulfate, it is simple to carry out follow-up salt extraction operation, this sky
The simple in construction of gas oxidizing tower, easy to operate, and the oxidation to desulfurization waste liquor can be reached
Effect, and extra oxidant need not be added, thus reduce processing cost, it is to avoid two
Secondary pollution.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, below will be to enforcement
In example, the required accompanying drawing used is briefly described, it will be appreciated that the following drawings only illustrates
Some embodiment of the present utility model, is therefore not construed as the restriction to scope, for
From the point of view of those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to root
Other relevant accompanying drawings are obtained according to these accompanying drawings.
The structure of the desulfurization waste liquor air oxidation tower that Fig. 1 provides for embodiment of the present utility model
Schematic diagram；
The waste liquid of the desulfurization waste liquor air oxidation tower that Fig. 2 provides for embodiment of the present utility model
The upward view of distributor；
The air of the desulfurization waste liquor air oxidation tower that Fig. 3 provides for embodiment of the present utility model
The top view of distributor.
Reference collects: desulfurization waste liquor air oxidation tower 100；Tower body 110；Sidewall 111；
Roof 112；Diapire 113；Tower content cavity 114；First temperature survey mouth 115a；Second temperature
Degree measures mouth 115b；Sample tap 116；Observation port 117；First manhole 118a；Second manhole
118b；3rd manhole 118c；Air inlet 120；Gas outlet 130；Inlet 140；Go out liquid
Mouth 150；Air sparger 160；Venthole 161；Air inlet pipe 162；Waste liquid distributor 170；
Liquid outlet 171；Heater 180；Steam pipe coil 181；Steam inlet tube 182；Condense water and go out pipe
183；Liquidometer mouth 190.
Detailed description of the invention
Below by specific embodiment and combine accompanying drawing this utility model is done further
Describe in detail.
See accompanying drawing 1, a kind of desulfurization waste liquor air oxidation tower that embodiment of the present utility model provides
100, including tower body 110, air inlet 120, gas outlet 130, inlet 140 and liquid outlet 150.
Tower body 110 is the container for carrying out desulfurization waste liquor air oxidation reaction, and tower body 110 is in this reality
Executing in example, its global shape is cylindrical, specifically, tower body 110 include sidewall 111, roof 112,
Diapire 113, sidewall 111 is barrel-shaped, and roof 112 and diapire 113 are arc surfaced.Sidewall 111
And jointly surround the tower content cavity 114 of tower body 110, tower content between roof 112 and diapire 113
Chamber 114 is the space that desulfurization waste liquor and air carry out oxidation reaction.Certainly in other embodiments, it is possible to
With other shapes such as cuboids.The material of tower body 110 is metal material, such as, steel material,
It is in particular Stainless steel 316 L so that it has mechanical performance well, in order to life-time service, when
So, other embodiments can also be other materials such as fiberglass.In the present embodiment, tower body 110
Inner and outer wall is provided with erosion shield, such as, and paint etc. so that the desulfurization waste liquor in tower is not
Easily corroding the inwall of tower body 110, increase the service life of tower body 110, its outer wall is the most not
Easily carried out rust corrosion by rainwater etc..
The bottom of tower body 110 is additionally provided with the base for supporting tower body 110, by the setting of base,
So that tower body 110 is more stable, base can be fixed by bolt etc. with ground, thus
The air oxidation reaction carrying out desulfurization waste liquor in tower body 110 can very stably be carried out.
Air inlet 120, liquid outlet 150 are arranged at the bottom of tower body 110, specifically, air inlet 120
Being arranged on the bottom of sidewall 111, liquid outlet 150 is arranged at diapire 113, the i.e. position of air inlet 120
Set high in the position of liquid outlet 150, will not be directly from liquid outlet hence into the air in tower body 110
150 discharge, and it upwards reacts with desulfurization waste liquor.Inlet 140, gas outlet 130 may be contained within
The top of tower body 110, specifically, inlet 140 is arranged at the top of sidewall 111, and gas outlet sets
Being placed in roof, i.e. the position of gas outlet 130 is higher than the position of inlet 140, thus ensure that entrance
The desulfurization waste liquor of tower body 110 will not flow out from gas outlet 130, wherein, and air inlet 120, gas outlet
130, inlet 140 and liquid outlet 150 all connect with the tower content cavity 114 of tower body 110.Its tool
The mode of communicating of body can be connected by pipeline.Additionally, in other embodiments, air inlet 120,
Gas outlet 130, inlet 140, the position of liquid outlet 150 all can be adjusted, and meet air inlet
120 with the connectivity part of tower content cavity 114 higher than the connectivity part of liquid outlet 150 with tower content cavity 114,
The connectivity part of inlet 140 and tower content cavity 114 is less than the company of gas outlet 130 with tower content cavity 114
Logical place.
Air compressor is connected with air inlet 120, air compressor by compressed air from air inlet 120
Place enters in the tower content cavity of tower body 110, if being directly discharged into compressed air, and compressed air and tower body
Sweetening liq can be impacted when desulfurization waste liquor within 110 contacts so that compressed air is not
Fully can contact uniformly with sweetening liq, thus affect desulfurization waste liquor and carry out the effect of air oxidation
Really.Therefore, in the present embodiment, it is provided with for disperseing bottom the tower content cavity 114 of tower body 110
Compressed-air actuated air sparger 160, air inlet 120 connects with air sparger 160, and air divides
After cloth device 160 connects with tower content cavity 114, thus compressed air enters the inside of tower body 110, can
To be buffered by air sparger 160, compressed air is carried out by air sparger 160 equably
Discharge and contact the most uniformly with the desulfurization waste liquor in tower content cavity 114, so that desulfurization is given up
The oxidation reaction of liquid can preferably be carried out, and then reaches preferably oxidation effectiveness.
Further, seeing accompanying drawing 3, air sparger 160 is three three pipelines compositions the most each
Pipe network structure, the inwall of air sparger 160 and tower body 110 is fixing to be connected, air sparger 160
Connected with air inlet 120 by air inlet pipe 162.The top of air sparger 160 is provided with multiple perpendicular
Straight venthole 161 upwards.Thus compressed air enters in the pipe network of air sparger 160, to pressure
Contracting air shunts, so that compressed air is discharged by multiple ventholes 161 such that it is able to
More uniformly enter tower content cavity 114 to contact with desulfurization waste liquor.The arrangement of multiple ventholes 161
Can be uniformly arrangement, its quantity can be adjusted according to actual needs.Additionally, other embodiments
In, the structure of air sparger 160 and shape can also be carried out according to the shape of tower body 110 inwall
Adjust, as long as its structure is capable of shunting compressed-air actuated.
Owing to desulfurization waste liquor oxidizing process can produce sulfur foam, desulfurization waste liquor directly enters from inlet 140
Enter in tower body 110, the contact area rate of the liquid surface in newly entering desulfurization waste liquor and tower body 110
Less, and impulse ratio is relatively big, will not play the effect eliminating foam.Therefore, in the present embodiment,
Tower content cavity 114 top of tower body 110 is provided with waste liquid distributor 170, and inlet 140 is by pipe
Road connects with waste liquid distributor 170.The desulfurization waste liquor entered can be entered by waste liquid distributor 170
Row buffering so that it can carry out uniform contact with the liquid level in tower body 110 the most equably, thus
Playing the effect eliminating sulfur foam, see accompanying drawing 2, waste liquid distributor 170 connects for inlet 140
Ring pipe, this ring pipe is fixedly connected on the inwall of tower body 110, and waste liquid distributor 170 is arranged
There is multiple liquid outlet 171.Thus desulfurization waste liquor is introduced into waste liquid distributor 170, then by multiple go out liquid
Hole 171 enters in tower body 110, and further, multiple liquid outlets 171 are arranged at the end of this ring pipe
Portion, multiple liquid outlets 171 can be evenly distributed on ring pipe.Consequently facilitating desulfurization waste liquor passes through
Fluid apertures 171 is discharged downwards.Certainly, in other embodiments, the shape of waste liquid distributor 170 is all right
For other shapes, such as, the many pipe networks being interconnected, the position of liquid outlet 171 can also be arranged
At sidepiece or top, its distribution can also be arbitrary, as long as can enter the desulfurization waste liquor entered
Row sufficiently shunts.
Further, the bottom of tower content cavity 114 is additionally provided with and adds hot charging for improve reaction temperature
Put 180, by heater, the desulfurization waste liquor in tower body 110 is heated to 60～100 DEG C.From
And so that more abundant to the air oxidation process of desulfurization waste liquor, and also improve desulfurization waste liquor and enter
The speed of row air oxidation.
Specifically heater 180 includes that steam pipe coil 181, steam pipe coil 181 are helical form, Gu
Surely being connected to the inside of tower body 110, the sidewall 111 of tower body 110 is provided with steam inlet tube 182 simultaneously
And condense water and go out pipe 183, steam inlet tube 182 and condense water go out pipe 183 respectively with steam pipe coil
The entrance point of 181 and port of export connection.The steam of high temperature, high temperature it is passed through in steam inlet tube 182
Desulfurization waste liquor in tower content cavity 114 is heated in steam pipe coil 181 by steam, high-temperature steam
Go out pipe 183 to discharge from condensation water after being condensed into water.Certainly, in other embodiments, it is also possible to arrange
The heater of other modes, such as, the heating silicon chip etc. that heater 180 heats for electric power.This
Outward, heater 180 position is set can also adjust according to specific circumstances in tower body 110
Joint.
Further, seeing accompanying drawing 1, in the present embodiment, tower body 110 is additionally provided with the first temperature and surveys
Amount mouth 115a, the second temperature survey mouth 115b, the first temperature survey mouth 115a is arranged at tower body 110
The top of sidewall 111, the second temperature survey mouth 115b is arranged at the sidewall 111 times of tower body 110
Portion.Detectable tower body 110 all it is inserted with in first temperature survey mouth 115a, the second temperature survey mouth 115b
The thermometer of interior temperature, thus by the first temperature survey mouth 115a, the second temperature survey mouth 115b
The reaction temperature of the liquid of top and the bottom in tower body 110 can be checked, consequently facilitating to reaction
Temperature is adjusted, and temperature can be adjusted by the plus-minus of steam flow, and reaction temperature to be made increases
Height then increases steam flow, otherwise, reaction temperature to be made reduces and then reduces steam flow.
Further, in the present embodiment, the bottom of the sidewall 111 of tower body 110 is additionally provided with sample tap
116, the liquid bottom tower body 110 can be taken out by sample tap and detect on a small quantity, detect useless
The content of the Ammonium hyposulfite. in liquid, thus obtain desulfurization waste liquor and carry out the degree of air oxidation.Therefore,
The setting of sample tap 116, is conducive to the detection to course of reaction and optimization.
Further, in the present embodiment, the sidewall 111 of tower body 110 is additionally provided with multiple observation port 117,
Multiple observation ports 117 are in closed state, and multiple observation ports 117 are provided with visor.Pass through visor
It can be seen that the situation within tower body 110, in the present embodiment, the observation port 117 that tower body 110 is arranged
Being 3, two of which is arranged on the middle part of tower body 110, and another one is arranged on the top of tower body 110
Portion, two observation ports 117 at middle part are it is observed that response situation within tower body 110, and top
Observation port 117 it is observed that the situation of sulfur foam on liquid level.Certainly, in other embodiments,
The quantity of observation port 117 and the position of layout can be adjusted according to practical situation, not with this
Embodiment is limited.
Participating in accompanying drawing 1, the top of tower body 110 is additionally provided with liquidometer mouth 190, liquidometer mouth 190
Inside be inserted with liquidometer, by liquidometer can to the Liquid level of the liquid in tower body 110 so that
Obtain air oxidation reaction can preferably carry out, with to maximum degree of oxidation and oxidation rate.
Seeing accompanying drawing 1, in the present embodiment, tower body 110 is additionally provided with the first manhole 118a, the second people
Hole 118b, the 3rd manhole 118c, the first manhole 118a is arranged on the middle part of tower body 110, the second people
Hole 118b is arranged on the bottom of tower body 110, and the 3rd manhole 118c is arranged on the end of tower body 110 bottom
On seat.First manhole 118a, the second manhole 118b, the 3rd manhole 118c can be to tower bodies 110
Tower content cavity 114 is safeguarded and clears up, and is easy to the liquid outlet 150 of the diapire 113 of tower body 110
The drain pipe of connection carries out the operations such as maintenance.
In sum, by arranging air inlet 120 in the bottom of tower body 110, and at tower body 110
Top arranges gas outlet 130, thus air can flow, from going out from the bottom up in tower body 110
QI KOU 130 is discharged.Inlet 140 is set further through the top at tower body 110, arranges out bottom it
Liquid mouth 150 thus waste liquid flow in tower body 110 from top to down, and then waste liquid and the motion of air
In opposite direction so that air can contact fully with the waste liquid in tower body 110 and react, and makes
The oxygen obtained in air can be oxidized to ammonium sulfate with the Ammonium hyposulfite. in fully oxidized desulfurization waste liquor,
The content of the Ammonium hyposulfite. after oxidation can be less than 1%, consequently facilitating carry out follow-up salt extraction
Operation.Meanwhile, the simple in construction of this air oxidation tower, easy to operate, and can reach
Oxidation effectiveness extraordinary to desulfurization waste liquor, and extra oxidant need not be added, thus drop
Low processing cost, it also avoid and cause secondary pollution.
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, above
In conjunction with the accompanying drawing in this utility model embodiment, to the technical scheme in this utility model embodiment
Carry out clearly and completely describing, it is clear that described embodiment is this utility model one
Divide embodiment rather than whole embodiments.Generally herein described in accompanying drawing and represent
The assembly of this utility model embodiment can be arranged with various different configurations and design.
Therefore, the detailed description of the above embodiment of the present utility model to providing in the accompanying drawings is also
It is not intended to be limiting claimed scope of the present utility model, but is merely representative of this utility model
Selected embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art exist
Do not make the every other embodiment obtained under creative work premise, broadly fall into this practicality
Novel protected scope.
In description of the present utility model, it should be noted that term " on ", D score,
The orientation of the instruction such as " vertically ", " interior ", " outward " or position relationship are for based on shown in accompanying drawing
Orientation or position relationship, or when this utility model product uses the orientation usually put or
Position relationship, be for only for ease of description this utility model and simplify describe rather than instruction or
Device or the element of hint indication must have specific orientation, with specific azimuth configuration and behaviour
Make, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " the
Two ", " the 3rd " etc. is only used for distinguishing and describes, and it is not intended that instruction or imply relatively heavy
The property wanted.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clear and definite regulation and limit
Fixed, term " is arranged ", " connection " should be interpreted broadly, and connects for example, it may be fixing,
Can also be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electricity
Connect；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two
The connection of element internal.For the ordinary skill in the art, can manage with concrete condition
Solve above-mentioned term concrete meaning in this utility model.
Claims (10)
1. a desulfurization waste liquor air oxidation tower, it is characterised in that include tower body, air inlet, go out
QI KOU, inlet and liquid outlet, described air inlet, described liquid outlet may be contained within described tower body
Bottom, the position of described air inlet is higher than described liquid outlet position, described inlet, described gas outlet
May be contained within the top of described tower body, the position of described gas outlet is higher than the position of described inlet, institute
The tower content cavity for air oxidation, described air inlet, described gas outlet, institute it is provided with in stating tower body
State inlet and described liquid outlet all connects with described tower content cavity.
Desulfurization waste liquor air oxidation tower the most according to claim 1, it is characterised in that described
Tower body includes that roof, diapire and sidewall, described air inlet are arranged at the bottom of described sidewall, described
Gas outlet is arranged at described roof, and described inlet is arranged at the top of described sidewall, described liquid outlet
It is arranged at described diapire.
Desulfurization waste liquor air oxidation tower the most according to claim 2, it is characterised in that described
Be provided with bottom the described tower content cavity of tower body for disperseing compressed-air actuated air sparger, described in enter
QI KOU connects with described air sparger, and described air sparger connects with described tower content cavity, described
Air sparger is provided with multiple venthole straight up.
Desulfurization waste liquor air oxidation tower the most according to claim 1, it is characterised in that described
The described tower content cavity top of tower body is provided with waste liquid distributor, described waste liquid distributor and described feed liquor
Mouth connection, described waste liquid distributor is provided with multiple liquid outlet.
Desulfurization waste liquor air oxidation tower the most according to claim 4, it is characterised in that described
Waste liquid distributor is the ring pipe connected with described inlet, and the plurality of liquid outlet is arranged at described ring
The bottom of shape pipe.
Desulfurization waste liquor air oxidation tower the most according to claim 1, it is characterised in that described
The bottom of tower content cavity is additionally provided with the heater for improving reaction temperature.
Desulfurization waste liquor air oxidation tower the most according to claim 6, it is characterised in that described
Heater includes that steam pipe coil, the sidewall of described tower body are provided with steam inlet tube and condensation water goes out pipe,
Described steam inlet tube and condensation water go out pipe entrance point and the port of export respectively with described steam pipe coil and connect
Logical.
Desulfurization waste liquor air oxidation tower the most according to claim 1, it is characterised in that described tower
Body is additionally provided with the first temperature survey mouth, the second temperature survey mouth, and described first temperature survey mouth is arranged
In the top of the sidewall of described tower body, described second temperature survey mouth is arranged at the sidewall of described tower body
Bottom.
Desulfurization waste liquor air oxidation tower the most according to claim 1, it is characterised in that described tower
The bottom of the sidewall of body is additionally provided with sample tap.
Desulfurization waste liquor air oxidation tower the most according to claim 1, it is characterised in that described
The sidewall of tower body is additionally provided with multiple observation port, and the plurality of observation port is provided with visor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620359535.2U CN205575754U (en) | 2016-04-26 | 2016-04-26 | Desulfurization waste liquid atmospheric oxidation tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620359535.2U CN205575754U (en) | 2016-04-26 | 2016-04-26 | Desulfurization waste liquid atmospheric oxidation tower |
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| Publication Number | Publication Date |
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| CN205575754U true CN205575754U (en) | 2016-09-14 |
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ID=56860459
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620359535.2U Active CN205575754U (en) | 2016-04-26 | 2016-04-26 | Desulfurization waste liquid atmospheric oxidation tower |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112028218A (en) * | 2020-08-25 | 2020-12-04 | 中钢集团鞍山热能研究院有限公司 | Device and method for synchronous catalytic oxidation and decoloration of coking desulfurization waste liquid |
| CN114956418A (en) * | 2022-04-22 | 2022-08-30 | 逸辰环保科技(厦门)有限公司 | Desulfurization waste liquid treatment method and treatment system |
-
2016
- 2016-04-26 CN CN201620359535.2U patent/CN205575754U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112028218A (en) * | 2020-08-25 | 2020-12-04 | 中钢集团鞍山热能研究院有限公司 | Device and method for synchronous catalytic oxidation and decoloration of coking desulfurization waste liquid |
| CN114956418A (en) * | 2022-04-22 | 2022-08-30 | 逸辰环保科技(厦门)有限公司 | Desulfurization waste liquid treatment method and treatment system |
| CN114956418B (en) * | 2022-04-22 | 2024-06-04 | 逸辰环保科技(厦门)有限公司 | Desulfurization waste liquid treatment method and treatment system |
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