CN101838070A - Method of air and water combined cycling purification - Google Patents
Method of air and water combined cycling purification Download PDFInfo
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- CN101838070A CN101838070A CN 201010174192 CN201010174192A CN101838070A CN 101838070 A CN101838070 A CN 101838070A CN 201010174192 CN201010174192 CN 201010174192 CN 201010174192 A CN201010174192 A CN 201010174192A CN 101838070 A CN101838070 A CN 101838070A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000000746 purification Methods 0.000 title claims abstract description 29
- 230000001351 cycling effect Effects 0.000 title claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 40
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000011282 treatment Methods 0.000 claims abstract description 34
- 239000002351 wastewater Substances 0.000 claims abstract description 24
- 238000001914 filtration Methods 0.000 claims abstract description 23
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000003546 flue gas Substances 0.000 claims abstract description 18
- 238000004140 cleaning Methods 0.000 claims abstract description 10
- 230000003472 neutralizing effect Effects 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims abstract description 6
- 238000001514 detection method Methods 0.000 claims abstract description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 28
- 241000370738 Chlorion Species 0.000 claims description 18
- 239000003795 chemical substances by application Substances 0.000 claims description 18
- 239000007921 spray Substances 0.000 claims description 14
- 238000005406 washing Methods 0.000 claims description 14
- 239000002689 soil Substances 0.000 claims description 11
- 238000004062 sedimentation Methods 0.000 claims description 8
- 230000002000 scavenging effect Effects 0.000 claims description 7
- 230000003750 conditioning effect Effects 0.000 claims description 6
- 238000005189 flocculation Methods 0.000 claims description 6
- 230000016615 flocculation Effects 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 5
- 239000000701 coagulant Substances 0.000 claims description 4
- 238000001556 precipitation Methods 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000006477 desulfuration reaction Methods 0.000 abstract description 8
- 230000023556 desulfurization Effects 0.000 abstract description 7
- 238000004064 recycling Methods 0.000 abstract description 4
- 230000003311 flocculating effect Effects 0.000 abstract description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract 5
- 238000005507 spraying Methods 0.000 abstract 2
- 235000019738 Limestone Nutrition 0.000 abstract 1
- 230000010354 integration Effects 0.000 abstract 1
- 239000006028 limestone Substances 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
- 238000006386 neutralization reaction Methods 0.000 description 10
- 229910001385 heavy metal Inorganic materials 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000010802 sludge Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 3
- DWCPARVNWQQOFS-UHFFFAOYSA-N [Na].[Na].[Na].N1=NN=CC=C1.S1SSC=C1 Chemical compound [Na].[Na].[Na].N1=NN=CC=C1.S1SSC=C1 DWCPARVNWQQOFS-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000003009 desulfurizing effect Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000001112 coagulating effect Effects 0.000 description 2
- 230000000536 complexating effect Effects 0.000 description 2
- 150000004696 coordination complex Chemical class 0.000 description 2
- 238000000855 fermentation Methods 0.000 description 2
- 230000004151 fermentation Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910017053 inorganic salt Inorganic materials 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical class Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 208000018459 dissociative disease Diseases 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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- Water Treatment By Sorption (AREA)
Abstract
The invention relates to the technical field of flue gas desulfurization treatment, in particular to a method of air and water combined cycling purification, comprising: 1) dedusting; 2) spraying, cleaning, integrating and purifying; 3) neutralizing waste water generated by the integration and purification; 4) subsiding; 5) flocculating; 6) clarifying the flocculated waste water; filtering and separating the clarified suspension; adding powdery activated carbon into clarified clear liquid for the first time; stirring and filtering; after the filtering, recycling 30-35% of clear liquid after being subject to recycled water deep treatment; causing 10-15% of clear liquid to enter the step 3) to be neutralized after chloride ion detection; after chloride ion detection, preparing spraying and cleaning purification liquid from 50-55% of clear liquid; when chloride ion detection is carried out and chloride ion in the clear liquid is more than 500 mg/L, adding the powdery activated carbon in the clear liquid for the second time until the chloride ion in the clear liquid is less than or equal to 500 mg/L; then, adding the powdery activated carbon in the clear liquid for the third time; and finally, after limestone is added in, carrying out the step 2),carrying out treatments in steps 2)-6).
Description
Technical field
The present invention relates to technical field of flue gas desulfurization treatment, relate in particular to a kind of method of air and water combined cycling purification.
Background technology
At present, owing to SO in the coal-burning power plant
2The topsoil that caused of discharging has become the main source of atmospheric pollution, and China every year is to the SO of airborne release at present
2Near 2,000 ten thousand tons, this has not only caused serious environmental to pollute and has also wasted the sulphur resource, therefore the research of coal-fired plant flue gas desulfurization is all paid much attention in countries in the world, and developed many advanced persons' flue gas desulfurization technique, be the most representative technology wherein with wet desulphurization, in wet desulfurizing process, reach " magnesium oxide flue gas method " based on " limestone-gypsum method " " sea water desulfuration method ", realized the large-scale industrialization operation, but in wet desulfurizing process, water loss is very big, if can not fully reclaim in addition recycle, then waste is serious, influence ecological environment safety.Simultaneously, wet desulfurizing process is limited in one's ability to harmful substance removals such as sulphur, mercury, and decontamination effect improving is more single, often will move with the denitration demercuration devices in series, and investment is big, takes up an area of greatly the running cost height.
Summary of the invention
For addressing the above problem, the invention provides a kind of resource of conserve water significantly, improve water treatment effect, can also be when realizing that cycling utilization of wastewater and recycling sludge are handled, obviously improve the gas cleaning effect, not only the method for air and water combined cycling purification of desulfurization and dedusting but also demercuration Chu dioxin.
A kind of method of air and water combined cycling purification may further comprise the steps successively:
1), the flue gas from boiler carries out dedusting;
2), the flue gas after the dedusting carries out the integrated purification of spray washing, integrated flue gas after being purified is directly discharged;
3), waste water that produces after the integrated purification and basic agent carry out neutralizing treatment;
4), adding organosulfur and coagulating agent carry out sedimentation in the waste water after neutralizing treatment;
5), the waste water after the sedimentation adds flocculation agent or coagulant aids flocculates again;
6), waste water after the flocculation carries out clarifying treatment, turbid liquid after the clarifying treatment enters pressure filter and carries out filtering separation, clear liquid after the pressure filter filtering separation carries out clarifying treatment again, separating the mud cake that produces after filtration mixes with the composition conditioning agent, the preparation soil improvement agent, for the first time adding powdered carbon in the clear liquid after clarifying treatment makes it carry out adsorption cleaning, stir afterwards and filter, solid after the filtration treatment all enters step 3) and recycles, recycle after water depth is handled in the clear liquid of the 30-35% process after the filtration treatment, the clear liquid of 10-15% enters step 3) and carries out neutralizing treatment after chlorion detects, the clear liquid of 50-55% carries out being used for after chlorion detects the preparation of spray washing scavenging solution, when carrying out the chlorion detection, when chlorion in the clear liquid＞500mg/L, in clear liquid, add powdered carbon for the second time, chlorion≤500mg/L in clear liquid, need remove simple substance mercury in the flue gas simultaneously as the integrated purification of spray washing, then need according to the demercuration requirement, in clear liquid, add powdered carbon more for the third time, meet the requirement of demercuration up to the Powdered Activated Carbon that adds, enter step 2 after adding Wingdale at last), carry out above-mentioned steps 2)-processing of step 6).
Method of air and water combined cycling purification of the present invention, wherein, the described dedusting of step 1) is electric precipitation, bag-type dust or the dedusting of electricity bag.
Method of air and water combined cycling purification of the present invention, the amount that adds powdered active carbon the described first time is 10-400mg/L, the amount that adds powdered active carbon for the second time is 50-5000mg/L.
Method of air and water combined cycling purification of the present invention, SO in the dosage of described Wingdale and the flue gas
2Mol ratio be 1: 1.
Method of air and water combined cycling purification of the present invention, described dosage and the Wingdale weight ratio that adds powdered carbon for the third time is 1: 10.
Method of air and water combined cycling purification of the present invention, step 2) in, the pH value after waste water and basic agent neutralize is 9.0.
Beneficial effect of the present invention is: the present invention has adopted neutralization, the process chemistry process of coagulating sedimentation, when realizing that cycling utilization of wastewater and recycling sludge are handled, can obviously improve the gas cleaning effect, after clarifying treatment, add powdered carbon for the first time and carry out adsorption cleaning, again through stirring and filtering, gac is not because of there being the interference of other impurity, can play one's part to the full, not only remove COD and chlorion in the clear water effectively, also improved the characteristic of mud cake, make it become loose, be easy to disperse and fermentation, help soil improvement, gac after the filtration is got back in the neutralizing treatment again and is recycled, for the second time add powdered carbon and removed the chlorion in the water quality, add powdered carbon not only desulfurization and dedusting but also demercuration Chu dioxin for the third time, in spray washing purifies required water fully by wastewater treatment after clear liquid recycle, do not need to provide separately again water, with 600kw coal fired power generation unit is example, but conserve water 100t per hour, the mud that pressure filter produces has been mixed with soil improvement agent with after the composition conditioning agent mixes, be used to improve the soil, sludged waste material is recycled, more environmental protection, safer, total system divides matter to handle, simplified technology, cost is low, has saved expense, and native system is owing to there is filtration step, the turbidity of water outlet is low, the clarity height.
Description of drawings
Fig. 1 is the process flow sheet of method of air and water combined cycling purification.
Embodiment
Below in conjunction with Figure of description method of air and water combined cycling purification of the present invention is described further.
Embodiment 1
Referring to Fig. 1, method of air and water combined cycling purification of the present invention, comprise: enter cleaning apparatus from the flue gas of boiler and carry out electric precipitation and handle, flue gas after the dedusting enters the spray washing scavenging tower and carries out the spray washing purification, flue gas after being purified is directly discharged, and purifies the waste water that the back produces and enters neutralization tank, and adding concentration through volume pump in neutralization tank again is 40% NaOH solution, neutralization reaction takes place, and regulates pH value to 9.0; Waste water after the neutralizing treatment enters sludge box, directly to add concentration be that 15% tri-thiol triazine trisodium-salt solution and concentration are 30% polymeric aluminum chlorides solution by artificial in sludge box, make its sedimentation, waste water after sedimentation enters the flocculation jar, adding concentration is 0.2% polyacrylamide solution in flocculation jar, and the tiny alumen ustum of inorganic salt, heavy metal complex and SS that crystallization separates out is gathered becomes larger particles.
Waste water enters settling pond after flocculating, turbid liquid after the clarifying treatment enters pressure filter and carries out filtering separation, separating the mud cake that produces after filtration mixes with the composition conditioning agent, the preparation soil improvement agent, coal fired power generation unit with 600KW is an example, per hour the clear liquid after clarifying treatment has 150t, wherein, the clear liquid of 50t is through stirring, enter water tank after the filtration, waste water after filtering adds powdered carbon 100mg/L for the first time, utilize the absorption property of powdered carbon, remove COD and chlorion in the water, adding concentration to water tank again is after 31% hydrochloric acid is regulated PH to 7.5, the water outlet of water tank enters in the film treatment facility, after utilizing membrane separation process to carry out advanced treatment, recycle, the clear liquid of 20t enters neutralization tank and is used for the neutralization dilution, the clear liquid of 80t is used to prepare the spray washing scavenging solution after chlorion detects, when chlorion detects, when chlorion in the clear liquid＞500mg/L, in clear liquid, add powdered carbon 50mg/L for the second time, in clear liquid, add powdered carbon 10mg/L more for the third time, after adding the 100Kg Wingdale at last, send into the spray washing scavenging tower and recycle.
Middle water after advanced treatment obtains following data after testing:
| Title | Unit | The water quality of middle water |
| ??PH | ??6.2 | |
| ??COD | ??mg/L | ??100 |
| ??SS | ??mg/L | ??70 |
| ??F - | ??mg/L | ??10 |
| ??Hg | ??mg/L | ??0.05 |
| ??Cd | ??mg/L | ??0.1 |
| ??Cr | ??mg/L | ??0.5 |
| ??Pb | ??mg/L | ??1.0 |
| ??Cu | ??mg/L | ??0.5 |
Embodiment 2
As different from Example 1, for the first time adding powdered carbon is 200mg/L, adds powdered carbon 500mg/L for the second time, adds powdered carbon 12mg/L for the third time, add the 120Kg Wingdale at last after, send into the spray washing scavenging tower and recycle.
Middle water after advanced treatment obtains following data after testing:
| Title | Unit | The water quality of middle water |
| ??PH | ??7.8 | |
| ??COD | ??mg/L | ??94 |
| ??SS | ??mg/L | ??68 |
| ??F - | ??mg/L | ??8 |
| ??Hg | ??mg/L | ??0.045 |
| ??Cd | ??mg/L | ??0.07 |
| Title | Unit | The water quality of middle water |
| ??Cr | ??mg/L | ??0.044 |
| ??Pb | ??mg/L | ??1.0 |
| ??Cu | ??mg/L | ??0.5 |
Embodiment 3
As different from Example 1, for the first time adding powdered carbon is 300mg/L, adds powdered carbon 900mg/L for the second time, adds powdered carbon 18mg/L for the third time, add the 180Kg Wingdale at last after, send into the spray washing scavenging tower and recycle.
Water after middle water depth is handled obtains following data after testing:
| Title | Unit | The water quality of middle water |
| ??PH | ??8.4 | |
| ??COD | ??mg/L | ??82 |
| ??SS | ??mg/L | ??66 |
| ??F - | ??mg/L | ??8 |
| ??Hg | ??mg/L | ??0.04 |
| ??Cd | ??mg/L | ??0.05 |
| ??Cr | ??mg/L | ??0.4 |
| ??Pb | ??mg/L | ??0.9 |
| ??Cu | ??mg/L | ??0.44 |
Method of air and water combined cycling purification of the present invention, add NaOH solution in the neutralization tank, regulate pH value to 9.0, be to have taken all factors into consideration generation two aspects that reach the prerequisite that generates heavy metal hydroxide and reduce caustic as far as possible to determine, waste water is corresponding inorganic salt with the acid group neutralization on the one hand after PH adjusts, to make the heavy metal ion reaction generate oxyhydroxide on the other hand so that precipitation is separated out, simultaneously in the waste water and after the weak base atmosphere, help further carrying out complexing and crystalline deposit at heavy metal ion; Add tri-thiol triazine trisodium salt in sludge box in waste water, tri-thiol triazine trisodium salt is to Cr
3+, Hg
2+, Cd
2+Etc. heavy metal ion very strong complex ability is arranged, and the solubility product of the heavy metal complex that generates after the complexing is mostly 10
-20Below, thereby have a reliable guarantee effect to the processing of heavy metal ions in wastewater is up to standard.
The present invention has adopted neutralization, the process chemistry process of coagulating sedimentation, when realizing that cycling utilization of wastewater and recycling sludge are handled, can obviously improve the gas cleaning effect, after clarifying treatment, add powdered carbon for the first time and carry out adsorption cleaning, again through stirring and filtering, gac is not because of there being the interference of other impurity, can play one's part to the full, not only remove COD and chlorion in the clear water effectively, also improved the characteristic of mud cake, make it become loose, be easy to disperse and fermentation, help soil improvement, gac after the filtration is got back in the neutralizing treatment again and is recycled, for the second time add powdered carbon and removed the chlorion in the water quality, add powdered carbon not only desulfurization and dedusting but also demercuration Chu dioxin for the third time, in spray washing purifies required water fully by wastewater treatment after clear liquid recycle, do not need to provide separately again water, with 600kw coal fired power generation unit is example, but conserve water 100t per hour, the mud that pressure filter produces has been mixed with soil improvement agent with after the composition conditioning agent mixes, be used to improve the soil, sludged waste material is recycled, more environmental protection, safer, total system divides matter to handle, simplified technology, cost is low, has saved expense, and native system is owing to there is filtration step, the turbidity of water outlet is low, the clarity height.Separating reaction: CaCO at first takes place in the Wingdale that adds in slurry
3→ Ca
2++ CO
3 2
CO
3 2-+H
2O→OH
-+HCO
3 -→2OH
-+CO
2↑
SO in the flue gas
2By solution absorption, dissociation reaction: SO takes place
2+ H
2O → H
++ HSO
3 -→ 2H
++ SO
3 2-
Acid-base neutralisation is produced H
2O, simultaneously, the O that blasts
2The reaction of generation forced oxidation is with HSO
3 -And SO
3 2-Be oxidized to SO
4 2-, 2HSO
3 -+ O
2→ 2SO
4 2-+ 2H
+, SO
3 2-+ O
2→ SO
4 2-, Ca
2++ SO
4 2-+ 2H
2O → CaSO
42H
2O ↓
In spray washing purifies required water fully by wastewater treatment after clear liquid recycle, do not need to provide separately again water, be example with 600kw coal fired power generation unit, but conserve water 100t per hour, the mud that pressure filter produces has been mixed with soil improvement agent with after the composition conditioning agent mixes, and is used to improve the soil, sludged waste material is recycled, more environmental protection, safer, total system divide matter to handle, and have simplified technology, cost is low, has saved expense.
Claims (6)
1. method of air and water combined cycling purification is characterized in that: may further comprise the steps successively:
1), the flue gas from boiler carries out dedusting;
2), the flue gas after the dedusting carries out the integrated purification of spray washing, integrated flue gas after being purified is directly discharged;
3), waste water that produces after the integrated purification and basic agent carry out neutralizing treatment;
4), adding organosulfur and coagulating agent carry out sedimentation in the waste water after neutralizing treatment;
5), the waste water after the sedimentation adds flocculation agent or coagulant aids flocculates again;
6), waste water after the flocculation carries out clarifying treatment, turbid liquid after the clarifying treatment enters pressure filter and carries out filtering separation, clear liquid after the pressure filter filtering separation carries out clarifying treatment again, separating the mud cake that produces after filtration mixes with the composition conditioning agent, the preparation soil improvement agent, for the first time add powdered carbon in the clear liquid after clarifying treatment and carry out adsorption cleaning, stir afterwards and filter, solid after the filtration treatment all enters step 3) and recycles, recycle after water depth is handled in the clear liquid of the 30-35% process after the filtration treatment, the clear liquid of 10-15% enters step 3) and carries out neutralizing treatment after chlorion detects, the clear liquid of 50-55% carries out being used for after chlorion detects the preparation of spray washing scavenging solution, when carrying out the chlorion detection, when chlorion in the clear liquid＞500mg/L, in clear liquid, add powdered carbon for the second time, chlorion≤500mg/L in clear liquid, in clear liquid, add powdered carbon more for the third time, enter step 2 after adding Wingdale at last), carry out above-mentioned steps 2)-processing of step 6).
2. method of air and water combined cycling purification according to claim 1 is characterized in that: the dedusting of step 1) is electric precipitation, bag-type dust or the dedusting of electricity bag.
3. method of air and water combined cycling purification according to claim 1 and 2 is characterized in that: the amount that adds powdered active carbon the described first time is 10-400mg/L, and the amount that adds powdered active carbon for the second time is 50-5000mg/L.
4. method of air and water combined cycling purification according to claim 3 is characterized in that: SO in the dosage of described Wingdale and the flue gas
2Mol ratio be 1: 1.
5. method of air and water combined cycling purification according to claim 4 is characterized in that: described dosage and the Wingdale weight ratio that adds powdered carbon for the third time is 1: 10.
6. method of air and water combined cycling purification according to claim 5 is characterized in that: step 2) in, the pH value after waste water and basic agent neutralize is 9.0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010174192XA CN101838070B (en) | 2010-05-17 | 2010-05-17 | Method of air and water combined cycling purification |
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| CN101838070B CN101838070B (en) | 2012-05-02 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103011531A (en) * | 2013-01-04 | 2013-04-03 | 雅士利涂料（苏州）有限公司 | Sewage treatment method |
| WO2015035681A1 (en) * | 2013-09-16 | 2015-03-19 | 大连海事大学 | Device and method for treating desulfurization wastewater of ships |
| CN108361723A (en) * | 2018-05-03 | 2018-08-03 | 连福龙 | A kind of industrial waste-gas purifier and operating method |
| CN108722110A (en) * | 2018-06-15 | 2018-11-02 | 张弘历 | A kind of device for going the removal of mercury from flue gas |
| CN112694190A (en) * | 2020-12-08 | 2021-04-23 | 内蒙古工业大学 | Method for treating polyformaldehyde industrial high-alkali/high-organic-matter waste liquid by using boiler tail gas |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1212898A (en) * | 1997-09-19 | 1999-04-07 | 三菱重工业株式会社 | Processes for treatment of flue gas desulfurization waste water |
| JP2007007581A (en) * | 2005-06-30 | 2007-01-18 | Mitsubishi Heavy Ind Ltd | Exhaust gas treatment device and method |
| CN101003412A (en) * | 2006-12-31 | 2007-07-25 | 湖南华迪电力环保工程技术有限公司 | Method and system unit for flue gas desulfurization and wastewater treatment |
-
2010
- 2010-05-17 CN CN201010174192XA patent/CN101838070B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1212898A (en) * | 1997-09-19 | 1999-04-07 | 三菱重工业株式会社 | Processes for treatment of flue gas desulfurization waste water |
| JP2007007581A (en) * | 2005-06-30 | 2007-01-18 | Mitsubishi Heavy Ind Ltd | Exhaust gas treatment device and method |
| CN101003412A (en) * | 2006-12-31 | 2007-07-25 | 湖南华迪电力环保工程技术有限公司 | Method and system unit for flue gas desulfurization and wastewater treatment |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103011531A (en) * | 2013-01-04 | 2013-04-03 | 雅士利涂料（苏州）有限公司 | Sewage treatment method |
| WO2015035681A1 (en) * | 2013-09-16 | 2015-03-19 | 大连海事大学 | Device and method for treating desulfurization wastewater of ships |
| CN108361723A (en) * | 2018-05-03 | 2018-08-03 | 连福龙 | A kind of industrial waste-gas purifier and operating method |
| CN108722110A (en) * | 2018-06-15 | 2018-11-02 | 张弘历 | A kind of device for going the removal of mercury from flue gas |
| CN108722110B (en) * | 2018-06-15 | 2021-06-01 | 嘉兴市嘉源节能环保科技有限公司 | Device for removing mercury from flue gas |
| CN112694190A (en) * | 2020-12-08 | 2021-04-23 | 内蒙古工业大学 | Method for treating polyformaldehyde industrial high-alkali/high-organic-matter waste liquid by using boiler tail gas |
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