CN102503015A - Method for treating wastewater generated by ammonia process desulfurization - Google Patents
Method for treating wastewater generated by ammonia process desulfurization Download PDFInfo
- Publication number
- CN102503015A CN102503015A CN2011103797375A CN201110379737A CN102503015A CN 102503015 A CN102503015 A CN 102503015A CN 2011103797375 A CN2011103797375 A CN 2011103797375A CN 201110379737 A CN201110379737 A CN 201110379737A CN 102503015 A CN102503015 A CN 102503015A
- Authority
- CN
- China
- Prior art keywords
- ammonia
- waste water
- water tank
- water
- ammonia process
- 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
Images
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Removal Of Specific Substances (AREA)
Abstract
The invention relates to a method for treating wastewater generated by ammonia process desulfurization. The method comprises the following steps of: neutralizing the wastewater generated by the ammonia process desulfurization by using lime milk to remove F<->, SO4<2->, ferric ions and copper ions in the wastewater; removing mercury, copper and lead ions by using organic sulfur TMT (Tetramethyl Thiuram Disulfide)-15; adding polymerization clairtan FeCLSO4 as a flocculant and polyacrylamide (PMA) as a coagulant aid to form flocculent bodies, and separating by a clarifying condenser; enabling a clarified liquid at the upper part of the clarifying condenser to sequentially pass through a water clarifying tank and an ammonia still and then discharging the clarified liquid into a water draining tank; adjusting the pH value to 7-9 and discharging the liquid in a standard reaching manner; and recovering ammonia evaporated from the amoonia still. According to the method disclosed by the invention, chloride ions and fluoride ions in the system can be removed effectively by treating wastewater; the content of heavy metal ions in a by-product ammonium sulfate fertilizer can be greatly reduced; and the standard requirements of national agricultural fertilizer are met. Meanwhile, the loss of ammonium sulfate by-products can be avoided.
Description
Technical field
The present invention relates to a kind of new method of wastewater treatment, particularly a kind of ammonia process of desulfurization method of wastewater treatment that is applicable to.
Background technology
At present, the wet process of FGD technology mainly comprises limestone/lime-gypsum, sodium base method, seawater method, ammonia process, magnesium method, sodalime double alkali method etc.
Limestone-gypsum method is present most widely used wet desulphurization technology; Its advantage is that absorption agent wide material sources, by-produced gypsum can utilize, and especially resembles Japan, has the large quantities of lime stone ore and produces resource; Lack simultaneously gypsum resource again as building materials; Its desulfurated plaster is gone up basically all and can be fully utilized, but in the U.S., basically to be distilled off as the master.China has abundant limestone mineral resource, but China is the also very abundant country of plaster of paris ore deposit standing stock, up to the present; Gypsum used in the building material industry is main with the plaster of paris still, in addition, and nearly 2,000 ten thousand tons in the phosphate fertilizer gypsum of the annual by-product of chemical fertilizer industry that China is huge; Basically throw aside and do not utilize, like this, limestone-gypsum method will certainly become the method for abandoning in China; It not only consumes a large amount of Mineral resources, also will produce new secondary pollution.
Because ammonia process of desulfurization sub product is the ammonium sulfate fertilizer of high added value, therefore more and more came into one's own in the last few years.But; The ammonia process of desulfurization with the calcium method desulfurization have one very big different; That is exactly that calcium method desulfuration byproduct calcium sulfate is insoluble in water, therefore, all is to handle cl ions, fluorion and the heavy metal ion of discharging continuous enrichment in the desulphurization system through discharge of wastewater in the calcium method sulfur removal technology.And the byproduct of ammonium sulfate of the ammonia process of desulfurization is soluble in water, and therefore, waste discharge also just means the ammonium sulfate that has discharged a large amount of high values.So in the prior art, the ammonia process of desulfurization does not all have discharge of wastewater, can only pass through the enrichment in system of cl ions, fluorion and heavy metal ion and arrive finite concentration, discharge system from sub product.Like this, on the one hand device is produced serious corrosion, cause the ammonium sulfate fertilizer quality of by-product to descend on the other hand, the serious heavy metal content that also can cause exceeds standard, and brings heavy metal pollution of soil.
Summary of the invention
The objective of the invention is provides a kind of new ammonia process of desulfurization method of wastewater treatment in order to overcome the deficiency that above-mentioned prior art exists.The present invention can be through cl ions in the effectively removal system of wastewater treatment and fluorion, and reduces the heavy metal ion content in the producing ammonium sulfate byproduct chemical fertilizer significantly, satisfies national agrochemical standard-required.Simultaneously, can not cause the loss of ammonium sulfate sub product.
A kind of ammonia process of desulfurization method of wastewater treatment provided by the invention is characterized in that carrying out according to the following steps:
(1), the wastewater collection of ammonia process of desulfurization discharging is in waste water tank; Waste water tank is processed by glass reinforced plastic (FRP) or carbon steel glass inner-lining scale; The effect of waste water tank is a waste water of storing the desulphurization system discharging; Play a shock absorption, waste water tank is equipped with the jacking-type whisking appliance, prevents suspended substance deposition in the waste water;
(2), the waste water in the waste water tank is squeezed into reactor drum through waste water pump; The reactor drum inner-use clapboard is divided into three reaction boxs that interconnect: in case, sludge box, flocculation tanks, play neutralization, heavy metal precipitation, flocculation respectively, different with general waste water reactor; Reactor drum is provided with seal cover board; The ammonia collection tube is arranged on the cover plate and link to each other, prevent that small amount of ammonia gas is excessive, and all be provided with the jacking-type whisking appliance respectively with water seal;
(3), in and add the milk of lime of mass concentration 3-10% through high-order from stream mode in the case, regulate the waste water pH value and rise to 9-10 by 5-6, F in the waste water
-And SO
4 2-With the Ca that adds
2+Generate the CaF of indissoluble
2And CaSO
4, simultaneously, some heavy metals in the waste water such as iron ion, cupric ion can both generate precipitation of hydroxide, in the neutralization reaction process, have a spot of ammonia and overflow, and this part ammonia is collected by water seal through the ammonia collection tube on the reactor drum cover plate;
(4), waste water in and stop 30-60min in the case after get into sludge box through dividing plate; Adding mass concentration in the sludge box is the organosulfur TMT-15 solution of 10-20%; Every cube of waste water adds 35-45mg organosulfur TMT-15; Make mercury, copper and lead ion generate the sulfide precipitation of indissoluble, organosulfur TMT-15 directly buys from producer and obtains; Organosulfur TMT-15 is a kind of triazines component; Can precipitate nearly all unit price and divalent metal; With rapidly reaction of various heavy metal ions in waste water (mercury, lead, copper, cadmium, nickel, manganese, zinc, chromium etc.), generate water insoluble, and inner complex with good chemicalstability; Equally, also can remove the heavy metal that has been transformed into complex compound; And nontoxic, safety can not produce secondary pollution; Below with Cd
2+And Hg
2+Be example, TMT-15 precipitin reaction principle of work be described:
3Cd
2++2(TMT-15)
3-→Cd
3(TMT-15)
2↓
3Hg
2++2(TMT-15)
3-→Hg
3(TMT-15)
2↓；
(5), waste water stops in sludge box behind the 30-60min and gets into flocculation tanks through dividing plate, with the flocculant poly clairtan FeClSO that adds
4Under the whisking appliance effect, generate a large amount of cotton-shaped particles.Add coagulant aids SEPIGEL 305 PMA simultaneously, make particle surface tension force reduce, cotton-shaped particle slowly becomes the bigger flock of volume, is beneficial to posterior settlement.The flocculant poly clairtan FeClSO that adds
4Mass concentration is 35-45%, and every cube of waste water adds 35-45mg flocculant poly clairtan FeClSO
4, coagulant aids SEPIGEL 305 PMA mass concentration is 0.1-0.15%, every cube of waste water adds coagulant aids SEPIGEL 305 PMA 2.5-7.5mg;
(6), waste water gets into clarification concentrator after in flocculation tanks, stopping 30-60min, waste water stopped in clarification concentrator 2-8 hour, under action of gravity, flock progressively separates with water, top is clear liquor, the bottom is a mud; Clear liquor gets into filtered water tank, and mud concentrates under the hydrostaticpressure effect and discharges, and gets to sludge treating system through sludge pump and handles, and sludge treating system adopts sophisticated horizontal screw centrifuge of present industrial sewage treatment system or plate and frame(type)filter press to handle;
(7), the filtered water tank useful volume doubly designs by the 2-3 that handles wastewater flow rate; The clear water of filtered water tank through fresh water pump with the hot water heat exchange of discharging at the bottom of the ammonia still after temperature be raised to 70-90 ℃ by 50 ℃ and get into ammonia still; Ammonia still adopts grid tray tower or bubble-plate column; Column plate quantity is the 5-20 piece according to the calculation of parameter design of concrete waste water; Ammonia still adopts the steam direct heating; Steam is the saturation steam of 0.1-2.0MPa; Contain the ammonia clear water through ammonia still distillation, reclaim most ammonia and return desulphurization system and utilize again as absorption agent, the clear water of the spent hot water after the distillation and filtered water tank carries out being collected in water tank after the heat exchange;
(8), regulate pH value to the 7-9 qualified discharge through the Hydrogen chloride that adds mass concentration 3-10% in the water tank.
The present invention has following positively effect:
The present invention has overcome the difficult problem that ammonia process of desulfurization waste water can not be handled, and effectively handling on the basis of ammonia process of desulfurization waste water, farthest reclaims ammonia, reduces ammonia process of desulfurization running cost.Pass through discharge of wastewater simultaneously; Can effectively reduce the concentration of cl ions in the ammonia method desulfurizing system, fluorion, heavy metal ion, both help improving the quality of producing ammonium sulfate byproduct, avoid the pollution of heavy metal soil; Again because significantly reduce the concentration of cl ions in the desulphurization system, fluorion, heavy metal ion; The desulphurization system corrosion is greatly reduced, and operation stability improves, and the byproduct of ammonium sulfate crystallization condition improves.
Adopt traditional ammonia desulfurizing process, because can not efflux wastewater, the cl ions of enrichment, fluorion can only be discharged through the finished product in the system, must be accumulated to very high concentration like this and just can reach balance.Show that chlorine ion concentration reaches more than the 60000ppm in the final system through domestic a plurality of actual items, fluorinion concentration has also reaches 8000ppm, and equipment and pipeline corrosion is serious.Adopt technology of the present invention, through discharge of wastewater, the cl ions equilibrium concentration is less than 20000ppm in the thionizer, and fluorinion concentration is less than 700ppm.
Adopt technology of the present invention, water-quality ratio was following before and after desulfurization wastewater was handled:
| Analysis project | Index | Before the processing | After the processing |
| PH value | 79 | 5.5 | 8.5 |
| Suspended substance (mg/l) | 70 | 135 | 37.6 |
| COD(mg/l) | 150 | 132 | 41 |
| Fluorochemical (mg/l) | 30 | 116 | 5 |
| Total cadmium (mg/l) | 0.1 | 0.15 | 0.01 |
| Total mercury (mg/l) | 0.05 | 0.12 | 0.02 |
| Total chromium (mg/l) | 1.5 | 2.1 | 0.2 |
| Total arsenic (mg/l) | 0.35 | 0.12 | |
| Total nickel (mg/l) | 1.0 | 1.2 | 0.01 |
| Total zinc (mg/l) | 2.0 | 0.7 | 0.01 |
| Total plumbous (mg/l) | 0.6 | 0.05 | |
| Total copper (mg/l) | 0.13 | 0.04 | |
| Vitriol (mg/l) | 2000 | 392000 | 620 |
| Ammonia (NH 4 +)(mg/l) | 147000 | 195 |
Description of drawings
Fig. 1 is a process flow sheet of the present invention.
Embodiment
As shown in Figure 1, from the waste water of ammonia method desulfurizing system, flow is 3m
3/ hr, waste water quality such as following table:
| Project | Index |
| The waste water water yield | 3m 3/hr |
| Temperature | 45 degree |
| PH | 5～8 |
| Suspended particulate | ≤49500mg/L |
| Free chlorine (CL -) | ≤20000mg/L |
| Fluorine (as F -) | ≤150mg/L |
| COD Cr | ≤160mg/L |
| Total chromium (as Cr) | ≤2.0mg/L |
| Copper Cu | ≤10mg/L |
| Nickel | ≤1.0mg/L |
| Plumbous Pb | ≤2.0mg/L |
| Cadmium Cd | ≤2.0mg/L |
| Caesium Se | ≤0.1mg/L |
| Arsenic As | ≤0.5mg/L |
| Total mercury Hg | ≤0.02mg/L |
| Sulfate radical SO 4 2- | ≤397200mg/L |
| Ammonia (NH 4 +) | ≤156300mg/L |
This waste water gets into waste water tank 1; Waste water tank 1 is equipped with jacking-type whisking appliance 17; Prevent in the waste water suspended substance deposition, the waste water in the waste water tank 1 through waste water pump 2 squeeze into reactor drum 3 in case 4 in, in case 4 in through adding the milk of limes of mass concentration 3-10%; Regulate the waste water pH value and rise to 9-10 by 5-6, F in the waste water
-And SO
4 2-With the Ca that adds
2+Generate the CaF of indissoluble
2And CaSO
4, simultaneously, some heavy metals in the waste water such as iron ion, cupric ion can both generate precipitation of hydroxide, in the neutralization reaction process, have a spot of ammonia and overflow, and this part ammonia is collected by water seal 16 through the ammonia collection tube 15 on the reactor drum cover plate;
Waste water in case 4 in get into sludge box 5 through dividing plate after stopping 45min, add mass concentrations in the sludge box 5 and be 15% organosulfur (TMT-15) solution, make the sulfide precipitation of mercury, copper and lead ion generation indissoluble, the organosulfur add-on is 35-45mg/m
3Waste water.
Waste water gets into flocculation tanks 6 through dividing plate after in sludge box, stopping 45min, with the flocculant poly clairtan (FeClSO that adds
4) a large amount of cotton-shaped particles of generation under the whisking appliance effect.Add coagulant aids (PMA) simultaneously, make particle surface tension force reduce, cotton-shaped particle slowly becomes the bigger flock of volume, is beneficial to posterior settlement.Flocculant poly clairtan (the FeClSO that adds
4) mass concentration is 40%, add-on is 35-45mg/m
3Waste water; Coagulant aids SEPIGEL 305 (PMA) mass concentration is 0.1%, and add-on is 5mg/m
3Waste water.
Waste water gets into clarification concentrator 7 after in flocculation tanks 6, stopping 45min, and waste water stopped 5 hours in clarification concentrator, and under action of gravity, flock progressively separates with water, and top is clear liquor, and the bottom is a mud.Clear liquor gets into filtered water tank 9; Mud concentrates under the hydrostaticpressure effect and discharges; Get to sludge treating system through sludge pump 8 and handle, sludge treating system adopts sophisticated horizontal screw centrifuge of present industrial sewage treatment system or plate and frame(type)filter press to handle.
Filtered water tank 9 useful volumes are by handling 2 times of designs of wastewater flow rate; The clear water of filtered water tank 9 through fresh water pump 10 with the hot water of discharging at the bottom of ammonia still 11 towers through interchanger 12 heat exchange after temperature be raised to 75 ℃ by 45 ℃ and get into ammonia stills 11; Ammonia still 11 adopts grid tray tower, and column plate quantity is 9; Ammonia still adopts the steam direct heating; Steam is the saturation steam of 0.25MPa; Contain the ammonia clear water through ammonia still 11 distillation, reclaim most ammonia and return desulphurization system and utilize again as absorption agent, the clear water of the spent hot water after the distillation and filtered water tank carries out being collected in water tank 13 after the heat exchange.
Regulate pH value to the 7-9 qualified discharge through the Hydrogen chloride that adds mass concentration 3-10% in the water tank 13.
Handling back waste discharge water quality is:
| Analysis project | Index | After the processing |
| PH value | 79 | 8.6 |
| Suspended substance (mg/l) | 70 | 35 |
| COD(mg/l) | 150 | 35 |
| Fluorochemical (mg/l) | 30 | 8 |
| Total cadmium (mg/l) | 0.1 | 0.01 |
| Total mercury (mg/l) | 0.05 | 0.02 |
| Total chromium (mg/l) | 1.5 | 0.2 |
| Total arsenic (mg/l) | 0.1 | |
| Total nickel (mg/l) | 1.0 | 0.01 |
| Total zinc (mg/l) | 2.0 | 0.01 |
| Total plumbous (mg/l) | 0.01 | |
| Total copper (mg/l) | 0.01 | |
| Vitriol (mg/l) | 2000 | 580 |
| Ammonia (NH 4 +)(mg/l) | 160 |
Claims (7)
1. ammonia process of desulfurization method of wastewater treatment is characterized in that carrying out according to the following steps:
(1), the wastewater collection of ammonia process of desulfurization discharging is in waste water tank;
(2), the waste water in the waste water tank squeezes into reactor drum through waste water pump, the reactor drum inner-use clapboard is divided into three reaction boxs that interconnect: in case, sludge box, flocculation tanks, reactor drum is provided with seal cover board, cover plate is provided with the ammonia collection tube and links to each other with water seal;
(3), in and add the milk of lime of mass concentration 3-10% through high-order from stream mode in the case, regulate the waste water pH value to 9-10, F-and SO in the waste water
4 2-With the Ca that adds
2+Generate the CaF of indissoluble
2And CaSO
4, simultaneously, some heavy metals in the waste water such as iron ion, cupric ion can both generate precipitation of hydroxide, in the neutralization reaction process, have a spot of ammonia and overflow, and this part ammonia is collected by water seal through the ammonia collection tube on the reactor drum cover plate;
(4), waste water in and stop 30-60min in the case after get into sludge box through dividing plate, adding mass concentration in the sludge box is the organosulfur TMT-15 solution of 10-20%, makes mercury, copper and the plumbous sulfide precipitation that generates indissoluble;
(5), waste water stops in sludge box behind the 30-60min and gets into flocculation tanks through dividing plate, with the flocculant poly clairtan FeClSO that adds
4Under the whisking appliance effect, generate a large amount of cotton-shaped particles; Add coagulant aids SEPIGEL 305 PMA simultaneously, the flocculant poly clairtan FeClSO of adding
4Mass concentration is 35-45%, and coagulant aids SEPIGEL 305 PMA mass concentration is 0.1-0.15%;
(6), waste water gets into clarification concentrator after in flocculation tanks, stopping 30-60min, waste water stopped in clarification concentrator 2-8 hour, under action of gravity, flock progressively separates with water, top is clear liquor, the bottom is a mud; Clear liquor gets into filtered water tank, and mud concentrates under the hydrostaticpressure effect and discharges, and gets to sludge treating system through sludge pump and handles, and sludge treating system adopts sophisticated horizontal screw centrifuge of present industrial sewage treatment system or plate and frame(type)filter press to handle;
(7), the filtered water tank useful volume doubly designs by the 2-3 that handles wastewater flow rate; The clear water of filtered water tank through fresh water pump with the hot water heat exchange of discharging at the bottom of the ammonia still after temperature be raised to 70-90 ℃ by 50 ℃ and get into ammonia still; Ammonia still adopts grid tray tower or bubble-plate column, and column plate quantity is the 5-20 piece; Ammonia still adopts the steam direct heating; Steam is the saturation steam of 0.1-2.0MPa; Contain the ammonia clear water through ammonia still distillation, reclaim most ammonia and return desulphurization system and utilize again as absorption agent, the clear water of the spent hot water after the distillation and filtered water tank carries out being collected in water tank after the heat exchange;
(8), regulate pH value to the 7-9 qualified discharge through the Hydrogen chloride that adds mass concentration 3-10% in the water tank.
2. ammonia process of desulfurization method of wastewater treatment according to claim 1 is characterized in that: waste water tank is processed by glass reinforced plastic (FRP) or carbon steel glass inner-lining scale.
3. ammonia process of desulfurization method of wastewater treatment according to claim 1 is characterized in that: in the waste water tank, reactor drum and case, sludge box, flocculation tanks the jacking-type whisking appliance all is housed respectively.
4. ammonia process of desulfurization method of wastewater treatment according to claim 1 is characterized in that: the column plate quantity of ammonia still is the 5-20 piece.
5. ammonia process of desulfurization method of wastewater treatment according to claim 1 is characterized in that: every cube of waste water adds 35-45mg organosulfur TMT-15.
6. ammonia process of desulfurization method of wastewater treatment according to claim 1 is characterized in that: every cube of waste water adds coagulant aids SEPIGEL 305 PMA 2.5-7.5mg.
7. ammonia process of desulfurization method of wastewater treatment according to claim 1 is characterized in that: every cube of waste water adds 35-45mg flocculant poly clairtan FeClSO
4
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103797375A CN102503015A (en) | 2011-11-25 | 2011-11-25 | Method for treating wastewater generated by ammonia process desulfurization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103797375A CN102503015A (en) | 2011-11-25 | 2011-11-25 | Method for treating wastewater generated by ammonia process desulfurization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102503015A true CN102503015A (en) | 2012-06-20 |
Family
ID=46215166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103797375A Pending CN102503015A (en) | 2011-11-25 | 2011-11-25 | Method for treating wastewater generated by ammonia process desulfurization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102503015A (en) |
Cited By (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103232061A (en) * | 2013-05-13 | 2013-08-07 | 中国环境科学研究院 | Device and method for recovering mercury from solid precipitate by ammonia process desulfurization |
| CN103274567A (en) * | 2013-05-27 | 2013-09-04 | 天津市环境保护科学研究院 | Device and method for treating electrophoretic coating waste water |
| CN103466870A (en) * | 2013-08-22 | 2013-12-25 | 苏州苏净环保工程有限公司 | Material recovery method of wastewater containing high-concentration ammonia-nitrogen and heavy metal ions and treatment system |
| CN103641259A (en) * | 2013-12-13 | 2014-03-19 | 航天环境工程有限公司 | Desulfurization wastewater treatment device |
| CN103936127A (en) * | 2014-04-28 | 2014-07-23 | 盛发环保科技（厦门）有限公司 | Agent for removing heavy metals out of desulfurization waste water |
| CN104150639A (en) * | 2014-08-25 | 2014-11-19 | 永清环保股份有限公司 | Treatment method of limestone-gypsum wet flue gas desulfurization waste water of steel sintering machine |
| CN104176855A (en) * | 2014-09-01 | 2014-12-03 | 大唐淮南洛河发电厂 | Flue gas desulfurization wastewater treatment and reuse system and method for coal-fired power plant |
| CN104803504A (en) * | 2015-02-09 | 2015-07-29 | 江苏源能环境工程有限公司 | Novel desulfurization waste water treatment method |
| CN104944635A (en) * | 2015-06-08 | 2015-09-30 | 中国石油集团工程设计有限责任公司 | High-concentration mercury-containing gas field wastewater treatment method |
| CN105036406A (en) * | 2015-07-02 | 2015-11-11 | 江西铜业股份有限公司 | Novel wastewater fluorine-removing technology |
| CN105366839A (en) * | 2015-08-19 | 2016-03-02 | 华电电力科学研究院 | Treatment device and method for simultaneously removing high-concentration SS, fluoride, sulfate, arsenate and COD in desulfurization waste water |
| CN105417825A (en) * | 2015-12-28 | 2016-03-23 | 河北科瑞达仪器科技股份有限公司 | Waste liquid flash evaporation treatment method |
| CN105502540A (en) * | 2016-01-27 | 2016-04-20 | 成都锐思环保技术股份有限公司 | Anti-scaling and anti-corrosion desulfurization waste water multi-effect evaporation, concentration and crystallization method |
| CN105502792A (en) * | 2016-01-27 | 2016-04-20 | 成都锐思环保技术股份有限公司 | Zero-discharge treatment method of desulfurization waste water |
| CN105523677A (en) * | 2016-01-27 | 2016-04-27 | 成都锐思环保技术股份有限公司 | Treatment system capable of realizing zero discharge of desulfurization wastewater |
| CN106517569A (en) * | 2016-05-17 | 2017-03-22 | 山东百川集大环境工程有限公司 | Zero discharge treatment process for desulfurization wastewater |
| CN106621766A (en) * | 2016-12-05 | 2017-05-10 | 中国华电集团科学技术研究总院有限公司 | Method and system for removing SO3 from boiler flue gas by using desulfurization waste water |
| CN107522321A (en) * | 2017-09-26 | 2017-12-29 | 湖北大学 | The application of the method and recovered liquid of suspension and toxic heavy metal and recovered liquid in a kind of removal biogas slurry |
| CN108002580A (en) * | 2017-09-22 | 2018-05-08 | 中冶长天国际工程有限责任公司 | A kind of acidic flue gas treatment of waste water from washing and application thereof |
| CN108283864A (en) * | 2018-04-10 | 2018-07-17 | 江苏德义通环保科技有限公司 | Regenerating active carbon gas preprocessing system device and pretreatment process method |
| CN108706764A (en) * | 2018-05-28 | 2018-10-26 | 中国神华能源股份有限公司 | A kind of processing equipment and processing method of desulfurization wastewater |
| CN108821407A (en) * | 2018-06-26 | 2018-11-16 | 广州发展集团股份有限公司 | The processing method of desulfurization wastewater |
| CN110127918A (en) * | 2018-02-02 | 2019-08-16 | 中冶长天国际工程有限责任公司 | A kind of acidic flue gas washes Zero discharge treatment method and its device |
| CN110734164A (en) * | 2019-11-18 | 2020-01-31 | 唐建 | ship wastewater treatment system and treatment method thereof |
| CN111115934A (en) * | 2019-12-20 | 2020-05-08 | 中轻建设(安徽)设计工程有限公司 | Desulfurization ammonia nitrogen wastewater treatment method |
| CN111547919A (en) * | 2020-05-12 | 2020-08-18 | 东方电气集团东方锅炉股份有限公司 | Sintering plant desulfurization wastewater resource zero-discharge process and system |
| CN111747588A (en) * | 2020-05-29 | 2020-10-09 | 华电电力科学研究院有限公司 | Large-flow high-salinity wastewater full-load continuous flue gas evaporation zero-emission treatment process |
| CN113086992A (en) * | 2021-03-31 | 2021-07-09 | 成渝钒钛科技有限公司 | Novel energy-saving ammonia still and use method thereof |
| CN113738441A (en) * | 2021-07-16 | 2021-12-03 | 中煤湖北地质勘察基础工程有限公司 | Method for treating acidic wastewater of coal mine by water sealing method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101428820A (en) * | 2008-12-06 | 2009-05-13 | 李大路 | Process for recycling liquid ammonia from coke oven gas |
| CN201325916Y (en) * | 2008-12-17 | 2009-10-14 | 深圳市能源环保有限公司 | System for treating wastewater from power plant |
| CN201433144Y (en) * | 2009-04-09 | 2010-03-31 | 宇星科技发展(深圳)有限公司 | Desulfurization waste water treatment recycling device |
-
2011
- 2011-11-25 CN CN2011103797375A patent/CN102503015A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101428820A (en) * | 2008-12-06 | 2009-05-13 | 李大路 | Process for recycling liquid ammonia from coke oven gas |
| CN201325916Y (en) * | 2008-12-17 | 2009-10-14 | 深圳市能源环保有限公司 | System for treating wastewater from power plant |
| CN201433144Y (en) * | 2009-04-09 | 2010-03-31 | 宇星科技发展(深圳)有限公司 | Desulfurization waste water treatment recycling device |
Cited By (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103232061A (en) * | 2013-05-13 | 2013-08-07 | 中国环境科学研究院 | Device and method for recovering mercury from solid precipitate by ammonia process desulfurization |
| CN103274567A (en) * | 2013-05-27 | 2013-09-04 | 天津市环境保护科学研究院 | Device and method for treating electrophoretic coating waste water |
| CN103466870A (en) * | 2013-08-22 | 2013-12-25 | 苏州苏净环保工程有限公司 | Material recovery method of wastewater containing high-concentration ammonia-nitrogen and heavy metal ions and treatment system |
| CN103641259A (en) * | 2013-12-13 | 2014-03-19 | 航天环境工程有限公司 | Desulfurization wastewater treatment device |
| CN103936127A (en) * | 2014-04-28 | 2014-07-23 | 盛发环保科技（厦门）有限公司 | Agent for removing heavy metals out of desulfurization waste water |
| CN104150639B (en) * | 2014-08-25 | 2015-11-11 | 永清环保股份有限公司 | A kind of Wingdale gypsum wet steel sintering machine flue gas desulfurization waste-water treatment process |
| CN104150639A (en) * | 2014-08-25 | 2014-11-19 | 永清环保股份有限公司 | Treatment method of limestone-gypsum wet flue gas desulfurization waste water of steel sintering machine |
| CN104176855A (en) * | 2014-09-01 | 2014-12-03 | 大唐淮南洛河发电厂 | Flue gas desulfurization wastewater treatment and reuse system and method for coal-fired power plant |
| CN104176855B (en) * | 2014-09-01 | 2016-05-04 | 大唐淮南洛河发电厂 | A kind of coal fired power plant flue gas desulfurization wastewater treatment and reclaiming system and method |
| CN104803504A (en) * | 2015-02-09 | 2015-07-29 | 江苏源能环境工程有限公司 | Novel desulfurization waste water treatment method |
| CN104944635A (en) * | 2015-06-08 | 2015-09-30 | 中国石油集团工程设计有限责任公司 | High-concentration mercury-containing gas field wastewater treatment method |
| CN105036406A (en) * | 2015-07-02 | 2015-11-11 | 江西铜业股份有限公司 | Novel wastewater fluorine-removing technology |
| CN105366839A (en) * | 2015-08-19 | 2016-03-02 | 华电电力科学研究院 | Treatment device and method for simultaneously removing high-concentration SS, fluoride, sulfate, arsenate and COD in desulfurization waste water |
| CN105366839B (en) * | 2015-08-19 | 2018-05-29 | 华电电力科学研究院 | The processing unit and processing method of the SS of desulfurization wastewater middle and high concentration, fluoride, sulfate, arsenate and COD are removed simultaneously |
| CN105417825A (en) * | 2015-12-28 | 2016-03-23 | 河北科瑞达仪器科技股份有限公司 | Waste liquid flash evaporation treatment method |
| CN105502540A (en) * | 2016-01-27 | 2016-04-20 | 成都锐思环保技术股份有限公司 | Anti-scaling and anti-corrosion desulfurization waste water multi-effect evaporation, concentration and crystallization method |
| CN105502792A (en) * | 2016-01-27 | 2016-04-20 | 成都锐思环保技术股份有限公司 | Zero-discharge treatment method of desulfurization waste water |
| CN105523677A (en) * | 2016-01-27 | 2016-04-27 | 成都锐思环保技术股份有限公司 | Treatment system capable of realizing zero discharge of desulfurization wastewater |
| CN106517569A (en) * | 2016-05-17 | 2017-03-22 | 山东百川集大环境工程有限公司 | Zero discharge treatment process for desulfurization wastewater |
| CN106621766A (en) * | 2016-12-05 | 2017-05-10 | 中国华电集团科学技术研究总院有限公司 | Method and system for removing SO3 from boiler flue gas by using desulfurization waste water |
| CN108002580B (en) * | 2017-09-22 | 2021-01-15 | 中冶长天国际工程有限责任公司 | Method for treating acidic flue gas washing wastewater and application thereof |
| CN108002580A (en) * | 2017-09-22 | 2018-05-08 | 中冶长天国际工程有限责任公司 | A kind of acidic flue gas treatment of waste water from washing and application thereof |
| CN107522321A (en) * | 2017-09-26 | 2017-12-29 | 湖北大学 | The application of the method and recovered liquid of suspension and toxic heavy metal and recovered liquid in a kind of removal biogas slurry |
| CN107522321B (en) * | 2017-09-26 | 2019-09-17 | 湖北大学 | The method and recovered liquid of suspended matter and toxic heavy metal and the application of recovered liquid in a kind of removal biogas slurry |
| CN110127918A (en) * | 2018-02-02 | 2019-08-16 | 中冶长天国际工程有限责任公司 | A kind of acidic flue gas washes Zero discharge treatment method and its device |
| CN110127918B (en) * | 2018-02-02 | 2021-10-26 | 中冶长天国际工程有限责任公司 | Zero-discharge treatment method and device for acidic flue gas washing wastewater |
| CN108283864A (en) * | 2018-04-10 | 2018-07-17 | 江苏德义通环保科技有限公司 | Regenerating active carbon gas preprocessing system device and pretreatment process method |
| CN108283864B (en) * | 2018-04-10 | 2024-06-07 | 江苏德义通环保科技有限公司 | Pretreatment system device and pretreatment process method for activated carbon regeneration gas |
| CN108706764A (en) * | 2018-05-28 | 2018-10-26 | 中国神华能源股份有限公司 | A kind of processing equipment and processing method of desulfurization wastewater |
| CN108821407A (en) * | 2018-06-26 | 2018-11-16 | 广州发展集团股份有限公司 | The processing method of desulfurization wastewater |
| CN110734164A (en) * | 2019-11-18 | 2020-01-31 | 唐建 | ship wastewater treatment system and treatment method thereof |
| CN111115934A (en) * | 2019-12-20 | 2020-05-08 | 中轻建设(安徽)设计工程有限公司 | Desulfurization ammonia nitrogen wastewater treatment method |
| CN111547919A (en) * | 2020-05-12 | 2020-08-18 | 东方电气集团东方锅炉股份有限公司 | Sintering plant desulfurization wastewater resource zero-discharge process and system |
| CN111747588A (en) * | 2020-05-29 | 2020-10-09 | 华电电力科学研究院有限公司 | Large-flow high-salinity wastewater full-load continuous flue gas evaporation zero-emission treatment process |
| CN113086992A (en) * | 2021-03-31 | 2021-07-09 | 成渝钒钛科技有限公司 | Novel energy-saving ammonia still and use method thereof |
| CN113738441A (en) * | 2021-07-16 | 2021-12-03 | 中煤湖北地质勘察基础工程有限公司 | Method for treating acidic wastewater of coal mine by water sealing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102503015A (en) | Method for treating wastewater generated by ammonia process desulfurization | |
| CN106430786B (en) | Desulfurization wastewater treatment method and device | |
| CN202322537U (en) | Ammonia desulphurization waste water treatment equipment | |
| CN104355473B (en) | A kind of method using electrodialytic technique to carry out power plant desulfurization waste water desalination zero discharge treatment | |
| CN102107978B (en) | Method for resource utilization and innocent treatment of etching waste liquid containing copper in circuit board industry | |
| CN107337292B (en) | Process flow for deeply treating desulfurization wastewater | |
| CN102502993B (en) | Method for treating acidic heavy metal wastewater and recycling treated wastewater | |
| CN105967389B (en) | Desulfurization wastewater divides mud, divides salt zero release pretreatment system and technique | |
| CN201325916Y (en) | System for treating wastewater from power plant | |
| CN101456635A (en) | Process and system for treating electric power plant waste water | |
| CN104591465A (en) | Method for recycling and processing ammonia-nitrogen-containing wastewater in circuit board etching waste liquor recycling industry | |
| CN105271436A (en) | Method for preparing polyferric chloride flocculant by using steel wire rope sludge and waste salt | |
| CN110282783B (en) | Ammonium phosphate chemical wastewater treatment system and method | |
| CN105502540A (en) | Anti-scaling and anti-corrosion desulfurization waste water multi-effect evaporation, concentration and crystallization method | |
| CN101838063A (en) | Method for treating desulfurization wastewater by using fly ash | |
| CN102642953B (en) | Treatment method for high-salinity heavy-metal-containing production sewage | |
| CN104512972A (en) | A treating method of fluorine-containing waste water | |
| CN101234826A (en) | Sulfuration recovery processing method and device for high-acidity high-arsenic high-cadmium waste water | |
| CN104445733A (en) | Technology for removing thallium with lead and zinc smelting flue gas washing waste acid water | |
| CN105198122A (en) | Resource utilization method of waste hydrochloric acid containing heavy metal lead and iron | |
| CN106492615B (en) | Desulfurization method and desulfurization system for coal-fired flue gas | |
| CN113292187A (en) | Resourceful treatment method and device for high-concentration ammonia nitrogen wastewater | |
| CN105523677A (en) | Treatment system capable of realizing zero discharge of desulfurization wastewater | |
| CN205241427U (en) | Desulfurization wastewater treatment system | |
| CN108191132A (en) | The recovery method of heavy metal in a kind of high villaumite acid waste water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120620 |