CN106007047A - Device and method for treating black water discharged from coal gasification process - Google Patents
Device and method for treating black water discharged from coal gasification process Download PDFInfo
- Publication number
- CN106007047A CN106007047A CN201610332867.6A CN201610332867A CN106007047A CN 106007047 A CN106007047 A CN 106007047A CN 201610332867 A CN201610332867 A CN 201610332867A CN 106007047 A CN106007047 A CN 106007047A
- Authority
- CN
- China
- Prior art keywords
- blender
- heisui river
- precipitation tank
- water
- coagulative precipitation
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
- Y02A20/402—River restoration
Abstract
The invention relates to a device and a method for treating black water discharged from coal gasification process. The device comprises a black water pipe, two mixers, a coagulative precipitation tank, an alkaline agent adding system, a transformation condensate adding system, a sodium carbonate adding system, a flocculant adding system, an acid adding system, a recycling pool, a dehydration system and a fine dreg treating system, wherein one mixer is arranged on the black water pipe in the water flow direction, an outlet of the mixer is connected with a water inlet of the coagulative precipitation tank, a water outlet of the coagulative precipitation tank is connected with the other mixer, and an outlet of the mixer is connected with the recycling pool. Precipitate enters the dehydration system, is dehydrated and then enters the fine dreg treating system, and waste water from the dehydration system flows back to the precipitation tank. According to the device and the method, the turbidity and the hardness of recycling grey water for a gasification device are reduced by controlling the adding quantity of the alkaline agent, the transformation condensate adding system, sodium carbonate and the flocculant, and the pH requirement of the recycling water is met by controlling the acid adding quantity.
Description
Technical field
The present invention relates to technical field of coal chemical industry, particularly to a kind of device discharging Heisui River for gas treatment metallization processes
With method.
Background technology
Coal gasification apparatus Heisui River reclaiming system after treatment can reduce system water supplement, and reduces to environment China and foreign countries displacement.
The outer displacement of coal gasification apparatus accounts for outside chemical plant more than the 70% of displacement, it is carried out process and meets reuse requirement and can save
Save great lot of water resources.But gasification installation Heisui River solid content is up to 20g/L, and hardness is up to 1000mg/L.Heisui River direct reuse meeting
The problems such as blocking, fouling are brought to system.Accordingly, it would be desirable to the Heisui River of coal gasification apparatus is processed then reuse.And convert
Containing a large amount of basicity in condensed fluid dosing system, direct discharge not only causes the waste of goods and materials, in addition it is also necessary to increase processing cost, will
It can effectively realize twice laid as the supplementary process Heisui River of sodium carbonate.
Summary of the invention
The invention provides a kind of apparatus and method discharging Heisui River for gas treatment metallization processes, can effectively realize coal
Processing and the twice laid of conversion condensed fluid dosing system of gasification installation Heisui River.
The present invention provides a kind of apparatus and method discharging Heisui River for gas treatment metallization processes, including Heisui River pipeline, the
One blender, the second blender, coagulative precipitation tank, reuse pool, dewatering system and fine slag processing system, on the pipeline of described Heisui River
Arrange that the first blender, the first mixer outlet are connected with the water inlet of coagulative precipitation tank along water (flow) direction, coagulative precipitation tank
Outlet and the second blender connect, and the outlet of the second blender is connected with reuse pool, and the precipitate of reuse pool is introduced into
Dewatering system, enters back into fine slag processing system after precipitate dehydration.
Also include alkaline agent medicine system, sodium carbonate medicine system, conversion condensed fluid dosing system, flocculant medicine system and
Acid agent medicine system, described alkaline agent medicine system, conversion condensed fluid dosing system, sodium carbonate medicine system, flocculant dosing system
The outlet of system is all connected with the first blender, and the outlet of acid agent medicine system connects the second blender.
The return of waste water of dewatering system is to coagulative precipitation tank.
The present invention also provides for a kind of method discharging Heisui River for gas treatment metallization processes, comprises the following steps:
Step one: the Heisui River of gasification installation enters the first blender through Heisui River pipeline, to this first blender dosing, first
The water outlet of blender enters in coagulative precipitation tank；
Step 2: the supernatant of coagulative precipitation tank enters the second blender, to this second blender dosing；
Step 3: the second blender water outlet enters reuse pool, the fine slag of coagulative precipitation tank bottom precipitation enters dehydration system
System is divided into fine slag and waste water, and wherein fine slag enters fine slag processing system, and return of waste water is to coagulative precipitation tank.
To this first blender dosing particularly as follows: alkaline agent is joined the first mixing by alkaline agent medicine system in described step one
Device, conversion condensed fluid is joined the first blender by conversion condensed fluid dosing system, and sodium carbonate is added by sodium carbonate medicine system
To the first blender, flocculant is joined the first blender by flocculant medicine system；Described step 2 kind is to this second mixing
Device dosing is specially and uses acid agent medicine system that acid agent is joined the second blender.
The chemical feeding quantity of described flocculant is 0.5-10ppm；Described alkaline agent is Calx, Caustic soda or ammonia, and described conversion condenses
Liquid is the discharge liquid of chemical production device shift conversion step, is used the basicity of conversion condensed fluid more than 5000mg/L, and sodium carbonate adds
It is sodium carbonate that medicine system adds medicament, and described acid agent is hydrochloric acid, nitric acid or Industry Waste acid solution.Described alkaline agent be Calx, Caustic soda or
Ammonia, Calx or Caustic soda are analytically pure, and ammonia selects industrial ammonia, and concentration (mass fraction) is 20%.
Described alkaline agent is calculated as follows with conversion condensed fluid addition:
In formula, Q is Heisui River total flow, and unit is m3/h；
Q1For processing Heisui River flow, unit is m3/h；
Q2For condensed fluid flow, unit is m3/h；
n1For Heisui River hardness, unit is mmol/L；
N ' is design hardness, and unit is mmol/L；
m1For Na2CO3Dosing dosage, unit is kg；
m2For NaOH dosing dosage, unit is kg；
m3For Ca (OH)2Dosing dosage, unit is kg；
m4For ammonia addition, unit is kg.
By controlling alkaline agent, conversion condensed fluid, sodium carbonate, the realization of flocculant adding medicine to reuse water quality in described step 2
Control, reuse water quality requirement according to use this recycle-water system water quality requirement determine.
The pH value of described coagulative precipitation tank is not less than 8.
The sedimentation time of described coagulative precipitation tank is not less than 2h.
The present invention has the effect that
The present invention provides a kind of apparatus and method discharging Heisui River for gas treatment metallization processes, by the alkali such as Calx, Caustic soda
Agent, sodium carbonate, flocculant enter coagulative precipitation tank after mixing with Heisui River, and the coagulation being greatly improved Heisui River is imitated with chemical reaction
Really, Heisui River solid content and hardness are effectively reduced, it is achieved that the Treatment for Reuse to Heisui River, easy and simple to handle, it is easy to accomplish.
Accompanying drawing explanation
Fig. 1 is the flow process signal of a kind of apparatus and method discharging Heisui River for gas treatment metallization processes that the present invention provides
Figure.
Detailed description of the invention
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art is permissible
It is better understood from the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
The present invention to provide a kind of apparatus and method discharging Heisui River for gas treatment metallization processes, by controlling alkali
Agent, sodium carbonate, flocculant, the chemical feeding quantity of acid agent reduce Heisui River solid content and hardness with the coagulating sedimentation time, make buck meet system
System reuse requirement.
The present invention provides a kind of apparatus and method discharging Heisui River for gas treatment metallization processes, including Heisui River pipeline 1, the
One blender the 2, second blender 8, coagulative precipitation tank 7, reuse pool 10, dewatering system 11 and fine slag processing system 12, described
Arrange that the first blender 2, the first mixer outlet 2 connect with the water inlet of coagulative precipitation tank 7 along water (flow) direction on Heisui River pipeline 1
Connecing, outlet and second blender 8 of coagulative precipitation tank 7 connect, and the outlet of the second blender 8 is connected with reuse pool 10, mixed
The bottom of solidifying sedimentation tank 7 is sequentially connected with dewatering system 11 and fine slag processing system 12, and the precipitate of coagulative precipitation tank 7 is introduced into de-
Water system 11, the return of waste water obtained after dehydration to coagulative precipitation tank 7, precipitate enters back into fine slag processing system after dehydration
12。
Described alkaline agent medicine system 3, conversion condensed fluid dosing system 4, sodium carbonate medicine system 5, flocculant medicine system 6
Outlet be all connected with the first blender 2, the outlet of acid agent medicine system 9 connects the second blender 8.
The present invention provides a kind of method discharging Heisui River for gas treatment metallization processes, as it is shown in figure 1, the method is specifically wrapped
Include following step:
Step one: gasification installation Heisui River enters the first blender 2 through Heisui River pipeline 1, and alkaline agent medicine system 3 is by Calx, burning
The alkaline agent such as alkali, ammonia joins the second blender 2, and conversion condensed fluid is added into the first mixing by conversion condensed fluid dosing system 4
Device 2, sodium carbonate is joined the first blender 2 by sodium carbonate medicine system 5, and flocculant is joined by flocculant medicine system 6
One blender 2, the first blender 2 water outlet enters in coagulative precipitation tank 7, and the pH value of coagulative precipitation tank 7 maintains 9-12.
Step 2: regulation coagulative precipitation tank 7 enters the second blender 8 into and out of the water yield, coagulative precipitation tank 7 supernatant.
Step 3: acid agent is joined the second blender 8 by acid agent medicine system 9, regulates the second blender 8 and meets reuse system
System pH requirement, pH is not more than 9, and the second blender 8 water outlet enters reuse pool 10.
Step 4: the fine slag of coagulative precipitation tank 7 bottom precipitation enters dewatering system 11 and is divided into fine slag and waste water, wherein fine slag
Entering fine slag processing system 12, return of waste water is to coagulative precipitation tank 7.
Embodiment 1:
The present invention provides a kind of apparatus and method discharging Heisui River for gas treatment metallization processes, particularly as follows:
Step one: gasification installation Heisui River enters the first blender through Heisui River pipeline, Calx is joined by alkaline agent medicine system
First blender, coagulative precipitation tank pH value maintains 9-10.Conversion condensed fluid dosing system adds conversion condensed fluid, conversion condensation
Liquid dosage is 5m3/ h, converts condensed fluid basicity 10000mg/L, and sodium carbonate is joined the first mixing by sodium carbonate medicine system
Device, sodium carbonate chemical feeding quantity is 200mg/L.Flocculant is joined the first blender by flocculant medicine system, the first blender
Water outlet enters in coagulative precipitation tank, and flocculant chemical feeding quantity is 1ppm.
Step 2: regulation coagulative precipitation tank is into and out of the water yield, and the sedimentation time is 2h, and coagulative precipitation tank supernatant enters second
Blender.
Step 3: acid agent is joined the second blender by acid agent medicine system, regulates the second blender and meets reclaiming system
PH value requirement, pH is not more than 9, and the second blender water outlet enters reuse pool, and recycle-water hardness, turbidity 50, pH value meets requirement.
Step 4: the fine slag of coagulative precipitation tank bottom precipitation enters dewatering system and is divided into fine slag and waste water, and wherein fine slag is entered
Entering fine slag processing system, return of waste water is to coagulative precipitation tank.
Embodiment 2:
The present invention provides a kind of apparatus and method discharging Heisui River for gas treatment metallization processes, particularly as follows:
Step one: gasification installation Heisui River enters the first blender through Heisui River pipeline, and alkaline agent medicine system is by Calx to first
Blender, coagulative precipitation tank pH value maintains 11-12.Sodium carbonate is joined the second blender, carbonic acid by sodium carbonate medicine system
Sodium chemical feeding quantity is 400mg/L.Flocculant is joined the first blender by flocculant medicine system, and the water outlet of the first blender enters
In coagulative precipitation tank, flocculant chemical feeding quantity is 5ppm.
Step 2: regulation coagulative precipitation tank is into and out of the water yield, and the sedimentation time is 3h, and coagulative precipitation tank supernatant enters second
Blender.
Step 3: acid agent is joined the second blender by acid agent medicine system, regulates the second blender and meets reclaiming system
PH value requirement, pH value is not more than 7, and the water outlet of the second blender enters reuse pool, and recycle-water hardness is 500mg/L, and turbidity is
10, pH value is 6.5.
Step 4: the fine slag of coagulative precipitation tank bottom precipitation enters dewatering system and is divided into fine slag and waste water, and wherein fine slag is entered
Entering fine slag processing system, return of waste water is to coagulative precipitation tank.
Embodiment 3:
The present invention provides a kind of apparatus and method discharging Heisui River for gas treatment metallization processes, particularly as follows:
Step one: coagulative precipitation tank pH value meets pH requirement, does not add alkaline agent amount.Sodium carbonate is added by sodium carbonate medicine system
Entering to the first blender, sodium carbonate chemical feeding quantity is 800mg/L.Flocculant is joined the first blender by flocculant medicine system,
First blender water outlet enters in coagulative precipitation tank, and flocculant chemical feeding quantity is 3ppm.
Step 2: regulation coagulative precipitation tank is into and out of the water yield, and the sedimentation time is 10h, and coagulative precipitation tank supernatant enters second
Blender.
Acid agent is joined the second blender by step 3 acid agent medicine system, and adjusting mixer meets reclaiming system pH value to be wanted
Asking, pH value is not more than 10, and the second blender water outlet enters reuse pool, and recycle-water hardness is 300mg/L, and turbidity is 30, pH value
It is 11.
Step 4: the fine slag of coagulative precipitation tank bottom precipitation enters dewatering system and is divided into fine slag and waste water, and wherein fine slag is entered
Entering fine slag processing system, return of waste water is to coagulative precipitation tank.
Embodiment described above is only the preferred embodiment lifted by absolutely proving the present invention, the protection model of the present invention
Enclose and be not limited to this.The equivalent that those skilled in the art are made on the basis of the present invention substitutes or conversion, all in the present invention
Protection domain within.Protection scope of the present invention is as the criterion with claims.
Claims (10)
1. one kind for gas treatment metallization processes discharge Heisui River apparatus and method, it is characterised in that include Heisui River pipeline, first
Blender, the second blender, coagulative precipitation tank, reuse pool, dewatering system and fine slag processing system, edge on the pipeline of described Heisui River
Water (flow) direction arranges that the first blender, the first mixer outlet are connected with the water inlet of coagulative precipitation tank, going out of coagulative precipitation tank
The mouth of a river is connected with the second blender, and the outlet of the second blender is connected with reuse pool, and the precipitate of reuse pool is introduced into de-
Water system, enters back into fine slag processing system after precipitate dehydration.
The apparatus and method discharging Heisui River for gas treatment metallization processes the most according to claim 1, it is characterised in that also
Including alkaline agent medicine system, sodium carbonate medicine system, conversion condensed fluid dosing system, flocculant medicine system and acid agent dosing system
System, described alkaline agent medicine system, conversion condensed fluid dosing system, sodium carbonate medicine system, flocculant medicine system outlet equal
Connecting the first blender, the outlet of acid agent medicine system connects the second blender.
The apparatus and method discharging Heisui River for gas treatment metallization processes the most according to claim 1, it is characterised in that de-
The return of waste water of water system is to coagulative precipitation tank.
4. the method discharging Heisui River for gas treatment metallization processes, it is characterised in that comprise the following steps:
Step one: the Heisui River of gasification installation enters the first blender through Heisui River pipeline, to this first blender dosing, the first mixing
The water outlet of device enters in coagulative precipitation tank；
Step 2: the supernatant of coagulative precipitation tank enters the second blender, to this second blender dosing；
Step 3: the second blender water outlet enters reuse pool, the fine slag of coagulative precipitation tank bottom precipitation enters dewatering system and divides
Becoming fine slag and waste water, wherein fine slag enters fine slag processing system, and return of waste water is to coagulative precipitation tank.
The method discharging Heisui River for gas treatment metallization processes the most according to claim 4, it is characterised in that described step
To this first blender dosing particularly as follows: alkaline agent is joined the first blender by alkaline agent medicine system in one, conversion condensed fluid is thrown
Conversion condensed fluid is joined the first blender by adding system, and sodium carbonate is joined the first blender by sodium carbonate medicine system, wadding
Flocculant is joined the first blender by solidifying agent medicine system；This second blender dosing is specially and uses by described step 2 kind
Acid agent is joined the second blender by acid agent medicine system.
The apparatus and method discharging Heisui River for gas treatment metallization processes the most according to claim 5, it is characterised in that institute
The chemical feeding quantity stating flocculant is 0.5-10ppm；Described alkaline agent is Calx, Caustic soda or ammonia, and described conversion condensed fluid is that chemical industry is raw
Producing the discharge liquid of device shift conversion step, used the basicity of conversion condensed fluid more than 5000mg/L, sodium carbonate medicine system adds
Medicament is sodium carbonate, and described acid agent is hydrochloric acid, nitric acid or Industry Waste acid solution.
The apparatus and method discharging Heisui River for gas treatment metallization processes the most according to claim 6, it is characterised in that institute
State alkaline agent to be calculated as follows with conversion condensed fluid addition:
In formula, Q is Heisui River total flow, and unit is m3/h；
Q1For processing Heisui River flow, unit is m3/h；
Q2For condensed fluid flow, unit is m3/h；
n1For Heisui River hardness, unit is mmol/L；
N ' is design hardness, and unit is mmol/L；
m1For Na2CO3Dosing dosage, unit is kg；
m2For NaOH dosing dosage, unit is kg；
m3For Ca (OH)2Dosing dosage, unit is kg；
m4For ammonia addition, unit is kg.
The apparatus and method discharging Heisui River for gas treatment metallization processes the most according to claim 4, it is characterised in that institute
State in step 2 by controlling alkaline agent, conversion condensed fluid, sodium carbonate, the flocculant adding medicine realization control to reuse water quality, return
Determine according to the water quality requirement using this recycle-water system with water quality requirement.
The apparatus and method discharging Heisui River for gas treatment metallization processes the most according to claim 4, it is characterised in that
The pH value of described coagulative precipitation tank is not less than 8.
The apparatus and method discharging Heisui River for gas treatment metallization processes the most according to claim 4, it is characterised in that
The sedimentation time of described coagulative precipitation tank is not less than 2h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610332867.6A CN106007047A (en) | 2016-05-19 | 2016-05-19 | Device and method for treating black water discharged from coal gasification process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610332867.6A CN106007047A (en) | 2016-05-19 | 2016-05-19 | Device and method for treating black water discharged from coal gasification process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106007047A true CN106007047A (en) | 2016-10-12 |
Family
ID=57098669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610332867.6A Pending CN106007047A (en) | 2016-05-19 | 2016-05-19 | Device and method for treating black water discharged from coal gasification process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106007047A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107362614A (en) * | 2017-08-18 | 2017-11-21 | 贵州赤天化股份有限公司 | A kind of recoverying and utilizing method and its device of coal water slurry gasification fine slag |
| CN113735308A (en) * | 2021-08-26 | 2021-12-03 | 北京翰祺环境技术有限公司 | Gasification furnace black water treatment process |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1526662A (en) * | 2003-03-04 | 2004-09-08 | 上海焦化有限公司 | Softening and coagulating treatment process of gas scrubbing water |
| JP2007216225A (en) * | 2007-04-23 | 2007-08-30 | Electric Power Dev Co Ltd | Coal gasification wastewater treatment method |
| CN102464415A (en) * | 2010-10-29 | 2012-05-23 | 新奥科技发展有限公司 | Advanced treatment process for coal gasification wastewater |
| CN103695041A (en) * | 2013-12-11 | 2014-04-02 | 华东理工大学 | Method for treating black water of coal gasification system |
| WO2014083903A1 (en) * | 2012-11-30 | 2014-06-05 | オルガノ株式会社 | System for treating coal gasification wastewater, and method for treating coal gasification wastewater |
| CN104230010A (en) * | 2014-10-16 | 2014-12-24 | 武汉科梦环境工程有限公司 | Softening method for coal gasification grey water with high temporary hardness |
| JP2015128746A (en) * | 2014-01-07 | 2015-07-16 | オルガノ株式会社 | Apparatus and method for treating selenium-containing water |
| CN104909496A (en) * | 2015-06-01 | 2015-09-16 | 上海晶宇环境工程有限公司 | Gasification grey water on-line recycling treatment technique and special device thereof |
| CN105314775A (en) * | 2015-12-07 | 2016-02-10 | 中国海洋石油总公司 | Packaged treatment method capable of reducing hardness of grey water and reducing volume of grey water discharged out by system |
-
2016
- 2016-05-19 CN CN201610332867.6A patent/CN106007047A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1526662A (en) * | 2003-03-04 | 2004-09-08 | 上海焦化有限公司 | Softening and coagulating treatment process of gas scrubbing water |
| JP2007216225A (en) * | 2007-04-23 | 2007-08-30 | Electric Power Dev Co Ltd | Coal gasification wastewater treatment method |
| CN102464415A (en) * | 2010-10-29 | 2012-05-23 | 新奥科技发展有限公司 | Advanced treatment process for coal gasification wastewater |
| WO2014083903A1 (en) * | 2012-11-30 | 2014-06-05 | オルガノ株式会社 | System for treating coal gasification wastewater, and method for treating coal gasification wastewater |
| CN103695041A (en) * | 2013-12-11 | 2014-04-02 | 华东理工大学 | Method for treating black water of coal gasification system |
| JP2015128746A (en) * | 2014-01-07 | 2015-07-16 | オルガノ株式会社 | Apparatus and method for treating selenium-containing water |
| CN104230010A (en) * | 2014-10-16 | 2014-12-24 | 武汉科梦环境工程有限公司 | Softening method for coal gasification grey water with high temporary hardness |
| CN104909496A (en) * | 2015-06-01 | 2015-09-16 | 上海晶宇环境工程有限公司 | Gasification grey water on-line recycling treatment technique and special device thereof |
| CN105314775A (en) * | 2015-12-07 | 2016-02-10 | 中国海洋石油总公司 | Packaged treatment method capable of reducing hardness of grey water and reducing volume of grey water discharged out by system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107362614A (en) * | 2017-08-18 | 2017-11-21 | 贵州赤天化股份有限公司 | A kind of recoverying and utilizing method and its device of coal water slurry gasification fine slag |
| CN113735308A (en) * | 2021-08-26 | 2021-12-03 | 北京翰祺环境技术有限公司 | Gasification furnace black water treatment process |
| CN113735308B (en) * | 2021-08-26 | 2023-12-19 | 北京翰祺环境技术有限公司 | Gasification furnace black water treatment process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102912445A (en) | Process and device for preparing gypsum whisker by semi-dry desulfurized fly ash and waste acid | |
| CN104761079A (en) | Flue gas desulfurization wastewater treatment process for coal-fired boiler | |
| CN108101263A (en) | A kind of erythromycin bacterium slag waste water is innoxious with processing equipment for recycling and integrated technique | |
| CN102583819B (en) | Method for processing waste water generated by extracting copper oxide from acidic corrosion waste fluid | |
| CN106221849A (en) | Stalk fuel containing biomass sludge and preparation method thereof | |
| CN102730877A (en) | Technology and device for treating mixed waste water produced by cold-rolling pickling of stainless steel and carbon steel | |
| CN106938866A (en) | A kind of desulfurization wastewater resource utilization system and method | |
| CN109485190A (en) | The processing method and gasification of coal and its system in the Heisui River that coal gasification generates | |
| CN106007047A (en) | Device and method for treating black water discharged from coal gasification process | |
| CN100343187C (en) | Treatment process for industrial wastewater of VB12 production and dedicated wastewater treatment machine therefor | |
| CN103011462B (en) | Device and method for treating waste residues of circulating make-up water by reutilizing lime softening method of power plant | |
| CN104692611B (en) | Waste catalyst mud water dehydration treatment equipment and waste catalyst mud water dehydration treatment method | |
| CN204211576U (en) | Foamed iron reduction and Fenton oxidation integrated reaction device | |
| CN101891290A (en) | Composite purifying agent used for chemical-mechanical pulp advanced waste water treatment and preparation method thereof | |
| CN108569812A (en) | A kind of processing system and processing method of the waste water containing low-concentration sulfuric acid | |
| CN211255398U (en) | Leachate pretreatment system dosing device | |
| CN208869418U (en) | A kind of processing system of dual alkali scrubbing FGD process waste water near-zero release | |
| CN214270515U (en) | Contain ammonia nitrogen, phosphorus, fluorine class effluent disposal system | |
| US20230312360A1 (en) | Method for continuously producing polyaluminum chloride form aluminum slag | |
| CN102795701A (en) | Method for treating acidic waste water from titanium dioxide preparation by sulfuric acid method | |
| CN105967484A (en) | Sludge deep dehydration method for processing flue gas desulfurization wastewater sludge | |
| CN203128332U (en) | Acidic industrial wastewater treatment system | |
| CN101830493A (en) | Method for processing waste salt slurry of calcined soda with sodium carbonate and sodium sulfate | |
| CN106396187A (en) | Cyanide wastewater treating and recycling method | |
| CN112624435A (en) | Contain ammonia nitrogen, phosphorus, fluorine class effluent disposal system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| CB03 | Change of inventor or designer information |
Inventor after: Kang Hongqiang Inventor after: Liu Xiaojun Inventor after: Sun Qingjun Inventor after: Wang Hongzhi Inventor before: Kang Hongqiang Inventor before: Liu Xiaojun Inventor before: Sun Qingjun Inventor before: Jiang Ningning Inventor before: Wang Hongzhi |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170616 Address after: 101111, Daxing District economic and Technological Development Zone, Beijing Road, No. four East Road, No. 141 Applicant after: Aerospace Changzheng Engineering Co.,Ltd. Address before: 100176, Daxing District economic and Technological Development Zone, Beijing Road, No. four East Road, No. 141 Applicant before: Kang Hongqiang |
|
| TA01 | Transfer of patent application right | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161012 |
|
| WD01 | Invention patent application deemed withdrawn after publication |