CN103130383A - Method for treating trace amounts of toxic organic pollutants in drinking water - Google Patents
Method for treating trace amounts of toxic organic pollutants in drinking water Download PDFInfo
- Publication number
- CN103130383A CN103130383A CN201310089966.2A CN201310089966A CN103130383A CN 103130383 A CN103130383 A CN 103130383A CN 201310089966 A CN201310089966 A CN 201310089966A CN 103130383 A CN103130383 A CN 103130383A
- Authority
- CN
- China
- Prior art keywords
- settling tank
- fhhh
- water
- toxic organic
- washing
- 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
- 239000002957 persistent organic pollutant Substances 0.000 title claims abstract description 34
- 231100000331 toxic Toxicity 0.000 title claims abstract description 33
- 230000002588 toxic effect Effects 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 20
- 235000020188 drinking water Nutrition 0.000 title abstract description 10
- 239000003651 drinking water Substances 0.000 title abstract description 10
- 241000894006 Bacteria Species 0.000 claims abstract description 48
- 238000005406 washing Methods 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000010865 sewage Substances 0.000 claims abstract description 19
- 230000001105 regulatory effect Effects 0.000 claims abstract description 7
- 238000010926 purge Methods 0.000 claims description 25
- 239000008399 tap water Substances 0.000 claims description 20
- 235000020679 tap water Nutrition 0.000 claims description 20
- 238000011010 flushing procedure Methods 0.000 claims description 16
- 230000003442 weekly effect Effects 0.000 claims description 16
- 238000012545 processing Methods 0.000 claims description 13
- 230000001276 controlling effect Effects 0.000 claims description 8
- 238000001556 precipitation Methods 0.000 abstract 6
- 238000005273 aeration Methods 0.000 abstract 2
- 238000007599 discharging Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 10
- 229920005547 polycyclic aromatic hydrocarbon Polymers 0.000 description 10
- FMMWHPNWAFZXNH-UHFFFAOYSA-N Benz[a]pyrene Chemical compound C1=C2C3=CC=CC=C3C=C(C=C3)C2=C2C3=CC=CC2=C1 FMMWHPNWAFZXNH-UHFFFAOYSA-N 0.000 description 4
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 4
- 125000005605 benzo group Chemical group 0.000 description 4
- 229960002380 dibutyl phthalate Drugs 0.000 description 4
- 230000036541 health Effects 0.000 description 4
- 125000000623 heterocyclic group Chemical group 0.000 description 4
- TXVHTIQJNYSSKO-UHFFFAOYSA-N BeP Natural products C1=CC=C2C3=CC=CC=C3C3=CC=CC4=CC=C1C2=C34 TXVHTIQJNYSSKO-UHFFFAOYSA-N 0.000 description 2
- IRIAEXORFWYRCZ-UHFFFAOYSA-N Butylbenzyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCC1=CC=CC=C1 IRIAEXORFWYRCZ-UHFFFAOYSA-N 0.000 description 2
- NIQCNGHVCWTJSM-UHFFFAOYSA-N Dimethyl phthalate Chemical compound COC(=O)C1=CC=CC=C1C(=O)OC NIQCNGHVCWTJSM-UHFFFAOYSA-N 0.000 description 2
- 230000000711 cancerogenic effect Effects 0.000 description 2
- WDECIBYCCFPHNR-UHFFFAOYSA-N chrysene Chemical compound C1=CC=CC2=CC=C3C4=CC=CC=C4C=CC3=C21 WDECIBYCCFPHNR-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- LHRCREOYAASXPZ-UHFFFAOYSA-N dibenz[a,h]anthracene Chemical compound C1=CC=C2C(C=C3C=CC=4C(C3=C3)=CC=CC=4)=C3C=CC2=C1 LHRCREOYAASXPZ-UHFFFAOYSA-N 0.000 description 2
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 2
- FLKPEMZONWLCSK-UHFFFAOYSA-N diethyl phthalate Chemical compound CCOC(=O)C1=CC=CC=C1C(=O)OCC FLKPEMZONWLCSK-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005183 environmental health Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- HJOVHMDZYOCNQW-UHFFFAOYSA-N isophorone Chemical compound CC1=CC(=O)CC(C)(C)C1 HJOVHMDZYOCNQW-UHFFFAOYSA-N 0.000 description 2
- IZUPBVBPLAPZRR-UHFFFAOYSA-N pentachlorophenol Chemical compound OC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl IZUPBVBPLAPZRR-UHFFFAOYSA-N 0.000 description 2
- YNPNZTXNASCQKK-UHFFFAOYSA-N phenanthrene Chemical compound C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000005180 public health Effects 0.000 description 2
- BBEAQIROQSPTKN-UHFFFAOYSA-N pyrene Chemical compound C1=CC=C2C=CC3=CC=CC4=CC=C1C2=C43 BBEAQIROQSPTKN-UHFFFAOYSA-N 0.000 description 2
- DXBHBZVCASKNBY-UHFFFAOYSA-N 1,2-Benz(a)anthracene Chemical compound C1=CC=C2C3=CC4=CC=CC=C4C=C3C=CC2=C1 DXBHBZVCASKNBY-UHFFFAOYSA-N 0.000 description 1
- RMBFBMJGBANMMK-UHFFFAOYSA-N 2,4-dinitrotoluene Chemical compound CC1=CC=C([N+]([O-])=O)C=C1[N+]([O-])=O RMBFBMJGBANMMK-UHFFFAOYSA-N 0.000 description 1
- XTRDKALNCIHHNI-UHFFFAOYSA-N 2,6-dinitrotoluene Chemical compound CC1=C([N+]([O-])=O)C=CC=C1[N+]([O-])=O XTRDKALNCIHHNI-UHFFFAOYSA-N 0.000 description 1
- 208000024172 Cardiovascular disease Diseases 0.000 description 1
- SXQBHARYMNFBPS-UHFFFAOYSA-N Indeno[1,2,3-cd]pyrene Chemical compound C=1C(C2=CC=CC=C22)=C3C2=CC=C(C=C2)C3=C3C2=CC=CC3=1 SXQBHARYMNFBPS-UHFFFAOYSA-N 0.000 description 1
- 208000015924 Lithiasis Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 125000004054 acenaphthylenyl group Chemical group C1(=CC2=CC=CC3=CC=CC1=C23)* 0.000 description 1
- HXGDTGSAIMULJN-UHFFFAOYSA-N acetnaphthylene Natural products C1=CC(C=C2)=C3C2=CC=CC3=C1 HXGDTGSAIMULJN-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- SAOKZLXYCUGLFA-UHFFFAOYSA-N bis(2-ethylhexyl) adipate Chemical compound CCCCC(CC)COC(=O)CCCCC(=O)OCC(CC)CCCC SAOKZLXYCUGLFA-UHFFFAOYSA-N 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 206010012601 diabetes mellitus Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001079 digestive effect Effects 0.000 description 1
- FBSAITBEAPNWJG-UHFFFAOYSA-N dimethyl phthalate Natural products CC(=O)OC1=CC=CC=C1OC(C)=O FBSAITBEAPNWJG-UHFFFAOYSA-N 0.000 description 1
- 229960001826 dimethylphthalate Drugs 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- GVEPBJHOBDJJJI-UHFFFAOYSA-N fluoranthrene Natural products C1=CC(C2=CC=CC=C22)=C3C2=CC=CC3=C1 GVEPBJHOBDJJJI-UHFFFAOYSA-N 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 238000002290 gas chromatography-mass spectrometry Methods 0.000 description 1
- 208000006454 hepatitis Diseases 0.000 description 1
- 231100000283 hepatitis Toxicity 0.000 description 1
- CKAPSXZOOQJIBF-UHFFFAOYSA-N hexachlorobenzene Chemical compound ClC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl CKAPSXZOOQJIBF-UHFFFAOYSA-N 0.000 description 1
- VUNCWTMEJYMOOR-UHFFFAOYSA-N hexachlorocyclopentadiene Chemical compound ClC1=C(Cl)C(Cl)(Cl)C(Cl)=C1Cl VUNCWTMEJYMOOR-UHFFFAOYSA-N 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000002703 mutagenesis Methods 0.000 description 1
- 231100000350 mutagenesis Toxicity 0.000 description 1
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 description 1
- 231100001223 noncarcinogenic Toxicity 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 108090000765 processed proteins & peptides Proteins 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- -1 uorene Chemical compound 0.000 description 1
Images
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses a method for treating trace amounts of toxic organic pollutants in drinking water, belonging to the technical field of water purification. The method comprises the following steps: 1. constructing an aeration biological filter; 2. sending sewage to be treated into the aeration biological filter through a water inlet to carry out preliminary filtration, and setting the hydraulic load technological parameter of an indigenous bacterium precipitation tank and an Fhhh precipitation tank as 0.5-2.0 mh<-1>; regulating water washing intensity of the indigenous bacterium precipitation tank and Fhhh precipitation tank to 6-20 mh<-1>, water washing duration time to 3-8 minutes and water washing frequency to once a week, and meanwhile, introducing air into the indigenous bacterium precipitation tank and Fhhh precipitation tank, wherein the air washing intensity is controlled to be 15-35 mh<-1>, the air washing duration time is 3-6 minutes, and the air washing frequency is once a week; and 3. after the sewage to be treated is treated by the step 2 by which toxic organic pollutants contained in the sewage are effectively removed, discharging the treated effluent water through a water discharge pipeline. The invention is mainly used for reducing or eliminating trace amounts of toxic organic pollutants in drinking water.
Description
Technical field
The present invention relates to a kind of drink water purifying method, more particularly, relate to the treatment process of trace toxic organic pollutant in a kind of tap water.
Background technology
Water is the precious resources that the mankind depend on for existence and development, there is no life without water, just there is no the mankind's civilization and progress.Drinking Water and daily life are closely related, and the quality of its water quality directly affects the healthy of people.Yet, due to explosive population growth and socioeconomic fast development, rural area agricultural chemicals abuse, enterprise's blowdown in violation of rules and regulations, domestic waste polluted source problem is day by day serious, and mankind's daily life drinking water safety is subject to more and more serious threat.Show according to the World Health Organization's investigation, the disease in the whole world 80% is all relevant with poor water quality with 50% death of child.The digestive ailment that causes due to poor water quality, transmissible disease, various tetter, diabetes, cancer, hepatitis, lithiasis, cardiovascular diseases etc. are kind more than 50 nearly.
(July, September, October and December) in 2007 and (March, June, September and December) in 2012 gather the drinking water source water sample from north, Nanjing river mouth water factory.24 kinds of toxic organic pollutant concentration situations that adopt gas-chromatography (GC-MS) method to measure, comprise 12 kinds of polycyclic aromatic hydrocarbonss (PAHs) (acenaphthylene, anthracene, benz (a) anthracene, benzo (a) pyrene, benzo (b) uoranthene, benzo (k) uoranthene, chrysene, dibenz (a, h) anthracene, uorene, phenanthrene, pyrene, indeno (1, 2, 3-cd) pyrene), 6 kinds of peptide acid lipid (PAEs) (bis (2-ethylhexyl) adipate, bis (2-ethylhexyl) phthalate, butyl benzyl phthalate, dibutyl phthalate, diethyl phthalate, dimethyl phthalate) and 6 kinds of oil of mirbane or heterocyclic (isophorone, hexachlorocyclopentadiene, 2, 4-dinitrotoluene, 2, 6-dinitrotoluene, hexachlorobenzene, pentachlorophenol).Detected result shows, total SVOCs(half volatile organic contaminant) concentration is between 1950.81-11097.78 ng/l, and mean concns is 5344.50 ng/l.PAHs, PAEs and other class organic pollutant total concns are respectively 183.79ng/l, 5005.40ng/l and 155.31 ng/l.The detected result of PAHs, PAEs and other type organic concentration all with other regional tap water in corresponding Pollutant levels close.
Adopt the U.S. EPA standard method to analyze potential non-carcinogenic and the carcinogenic risk of trace toxic organic pollutant in the drinking water source, each SVOCs Environmental Health risk is lower than threshold value 1, but benzo (a) is anthraene, bis (2-ethylhexyl) phthalate, benzo (b) uoranthene, benzo (a) pyrene and dibenz (a, h) health risk of anthracene all higher than this threshold value, shows that in source water, these 5 kinds of pollutents may the induced environment health risk.These 5 kinds of pollutents belong to the priority pollutants of USEPA and EU.Studies show that these pollutents exist mutagenesis and carcinogenic effect, the drinking water source exists these pollutents will jeopardize public health and ecological safety.Therefore, be badly in need of the exploitation Advanced Treatment of Drinking Water, subdue or eliminate the health risk that these micro quantity organic pollutants bring out.
Summary of the invention
The technical problem that invention will solve
The object of the invention is to overcome the deficiency that trace toxic organic pollutant in tap water can not be subdued or eliminate to prior art well, the treatment process of trace toxic organic pollutant in a kind of tap water is provided.
Technical scheme
For achieving the above object, technical scheme provided by the invention is:
In a kind of tap water of the present invention, the treatment process of trace toxic organic pollutant, the steps include:
Step 1:
Build BAF, this BAF comprises water-in, valve, grid settling tank, settling tank, indigenous bacterium settling tank, Fhhh settling tank, under meter, outlet conduit, back flushing pipeline and blow-off line, be provided with blow-off line bottom described grid settling tank, settling tank, indigenous bacterium settling tank and Fhhh settling tank, the bottom of described indigenous bacterium settling tank and Fhhh settling tank also is provided with outlet conduit and back flushing pipeline, outlet conduit, back flushing pipeline and blow-off line are equipped with under meter, and valve also is installed on described blow-off line;
Step 2:
Treatment sewage enters BAF by water-in, tentatively filter by grid settling tank and settling tank, regulate the valve of settling tank water outlet, and coordinate under meter to demonstrate discharge, indigenous bacterium settling tank and Fhhh settling tank hydraulic load processing parameter are set to 0.5 ~ 2.0m h
1The washing intensity of regulating indigenous bacterium settling tank and Fhhh settling tank is 6 ~ 20m h
1, the washing time length is 3 ~ 8min, and the washing frequency is weekly, passes into air toward indigenous bacterium settling tank and Fhhh settling tank simultaneously, and controlling air purge intensity is 15 ~ 35m h
1, the air purge time length is 3 ~ 6min, the air purge frequency is weekly;
Step 3:
Treatment sewage is through after step 2, and the toxic organic pollutant that contains in sewage is effectively removed, and after processing, water outlet is discharged by outlet conduit.
Further, the described indigenous bacterium settling tank of step 2 and Fhhh settling tank hydraulic load processing parameter are set to 1.0 ~ 2.0m h
1
Further, the washing intensity of the described indigenous bacterium settling tank of step 2 and Fhhh settling tank is 8 ~ 15m h
1, the washing time length is 5 ~ 8min, and the washing frequency is weekly, passes into air toward indigenous bacterium settling tank and Fhhh settling tank simultaneously, and controlling air purge intensity is 15 ~ 30m h
1, the air purge time length is 3 ~ 5min, the air purge frequency is weekly.
Beneficial effect
Adopt technical scheme provided by the invention, compare with existing known technology, have following unusual effect:
(1) treatment process of trace toxic organic pollutant in a kind of tap water of the present invention, indigenous bacterium settling tank and Fhhh settling tank hydraulic load processing parameter are set to 0.5 ~ 2.0m h
1The washing intensity of regulating indigenous bacterium settling tank and Fhhh settling tank is 6 ~ 20m h
1, the washing time length is 3 ~ 8min, and the washing frequency is weekly, passes into air toward indigenous bacterium settling tank and Fhhh settling tank simultaneously, and controlling air purge intensity is 15 ~ 35m h
1, the air purge time length is 3 ~ 6min, the air purge frequency is weekly, effectively subdues or has eliminated trace toxic organic pollutant in tap water, thereby having cut down the Environmental Health risk, has guaranteed public health and ecological safety;
(2) treatment process of trace toxic organic pollutant in a kind of tap water of the present invention, the tap water biofiltration treatment system of foundation adopts biological aerated filter process, is a kind of efficient, feasible Advanced Treatment of Drinking Water;
(3) treatment process of trace toxic organic pollutant in a kind of tap water of the present invention is subdued or eliminates that the effect of trace toxic organic pollutant in tap water is remarkable, principle is simple, input cost is low, is convenient to promote.
Description of drawings
Fig. 1 is the structural representation of the present invention's BAF of setting up.
Label declaration in schematic diagram:
1, water-in; 2, valve; 3, grid settling tank; 4, settling tank; 5, indigenous bacterium settling tank; 6, Fhhh settling tank; 7, under meter; 8, outlet conduit; 9, back flushing pipeline; 10, blow-off line.
Embodiment
For further understanding content of the present invention, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
In a kind of tap water of the present embodiment, the treatment process of trace toxic organic pollutant, the steps include:
Step 1:
build BAF, in conjunction with Fig. 1, the BAF of the present embodiment comprises water-in 1, valve 2, grid settling tank 3, settling tank 4, original inhabitants bacterium settling tank 5, Fhhh settling tank 6, under meter 7, outlet conduit 8, back flushing pipeline 9 and blow-off line 10, described grid settling tank 3, settling tank 4, original inhabitants' bacterium settling tank 5 and Fhhh settling tank 6 bottoms are provided with blow-off line 10, the bottom of described indigenous bacterium settling tank 5 and Fhhh settling tank 6 also is provided with outlet conduit 8 and back flushing pipeline 9, outlet conduit 8, back flushing pipeline 9 and blow-off line 10 are equipped with under meter 7, on described blow-off line 10, valve 2 is installed also,
Step 2:
Treatment sewage enters BAF by water-in 1, tentatively filter by grid settling tank 3 and settling tank 4, regulate the valve 2 of settling tank 4 water outlets, and coordinating under meter 7 to demonstrate discharge, indigenous bacterium settling tank 5 and Fhhh settling tank 6 hydraulic load processing parameters are set to 0.5m h
1The washing intensity of regulating indigenous bacterium settling tank 5 and Fhhh settling tank 6 is 6m h
1, the washing time length is 8min, and the washing frequency is weekly, passes into air toward indigenous bacterium settling tank 5 and Fhhh settling tank 6 simultaneously, and controlling air purge intensity is 20m h
1, the air purge time length is 4min, the air purge frequency is weekly;
Step 3:
Treatment sewage is through after step 2, and the toxic organic pollutant that contains in sewage is effectively removed, and after processing, water outlet is discharged by outlet conduit 8.
In the present embodiment, the toxic organic pollutants such as PAHs and PAEs are all effectively removed, and clearance is respectively: PAHs (53.2%), and PAEs (69.8%) and heterocyclic (68.5%), wherein, and in all PAEs, di-
nThe clearance best result of-butyl phthalate and bis (2-ethylhexyl) phthalate is not 70.1% and 82.4%.
Embodiment 2
In a kind of tap water of the present embodiment, the treatment process of trace toxic organic pollutant, the steps include:
Step 1:
build BAF, in conjunction with Fig. 1, the BAF of the present embodiment comprises water-in 1, valve 2, grid settling tank 3, settling tank 4, original inhabitants bacterium settling tank 5, Fhhh settling tank 6, under meter 7, outlet conduit 8, back flushing pipeline 9 and blow-off line 10, described grid settling tank 3, settling tank 4, original inhabitants' bacterium settling tank 5 and Fhhh settling tank 6 bottoms are provided with blow-off line 10, the bottom of described indigenous bacterium settling tank 5 and Fhhh settling tank 6 also is provided with outlet conduit 8 and back flushing pipeline 9, outlet conduit 8, back flushing pipeline 9 and blow-off line 10 are equipped with under meter 7, on described blow-off line 10, valve 2 is installed also,
Step 2:
Treatment sewage enters BAF by water-in 1, tentatively filter by grid settling tank 3 and settling tank 4, regulate the valve 2 of settling tank 4 water outlets, and coordinating under meter 7 to demonstrate discharge, indigenous bacterium settling tank 5 and Fhhh settling tank 6 hydraulic load processing parameters are set to 1.0m h
1The washing intensity of regulating indigenous bacterium settling tank 5 and Fhhh settling tank 6 is 20m h
1, the washing time length is 3min, and the washing frequency is weekly, passes into air toward indigenous bacterium settling tank 5 and Fhhh settling tank 6 simultaneously, and controlling air purge intensity is 15m h
1, the air purge time length is 6min, the air purge frequency is weekly;
Step 3:
Treatment sewage is through after step 2, and the toxic organic pollutant that contains in sewage is effectively removed, and after processing, water outlet is discharged by outlet conduit 8.
In the present embodiment, the toxic organic pollutants such as PAHs and PAEs are all effectively removed, and are respectively: PAHs (56.4%), and PAEs (71.6%) and heterocyclic (65.8%), wherein, and in all PAEs, di-
nThe clearance best result of-butyl phthalate and bis (2-ethylhexyl) phthalate is not 71.2% and 84.4%.
Embodiment 3
In a kind of tap water of the present embodiment, the treatment process of trace toxic organic pollutant, the steps include:
Step 1:
build BAF, in conjunction with Fig. 1, the BAF of the present embodiment comprises water-in 1, valve 2, grid settling tank 3, settling tank 4, original inhabitants bacterium settling tank 5, Fhhh settling tank 6, under meter 7, outlet conduit 8, back flushing pipeline 9 and blow-off line 10, described grid settling tank 3, settling tank 4, original inhabitants' bacterium settling tank 5 and Fhhh settling tank 6 bottoms are provided with blow-off line 10, the bottom of described indigenous bacterium settling tank 5 and Fhhh settling tank 6 also is provided with outlet conduit 8 and back flushing pipeline 9, outlet conduit 8, back flushing pipeline 9 and blow-off line 10 are equipped with under meter 7, on described blow-off line 10, valve 2 is installed also,
Step 2:
Treatment sewage enters BAF by water-in 1, tentatively filter by grid settling tank 3 and settling tank 4, regulate the valve 2 of settling tank 4 water outlets, and coordinating under meter 7 to demonstrate discharge, indigenous bacterium settling tank 5 and Fhhh settling tank 6 hydraulic load processing parameters are set to 2.0m h
1The washing intensity of regulating indigenous bacterium settling tank 5 and Fhhh settling tank 6 is 15m h
1, the washing time length is 5min, and the washing frequency is weekly, passes into air toward indigenous bacterium settling tank 5 and Fhhh settling tank 6 simultaneously, and controlling air purge intensity is 35m h
1, the air purge time length is 3min, the air purge frequency is weekly;
Step 3:
Treatment sewage is through after step 2, and the toxic organic pollutant that contains in sewage is effectively removed, and after processing, water outlet is discharged by outlet conduit 8.
In the present embodiment, the toxic organic pollutants such as PAHs and PAEs are all effectively removed, and are respectively: PAHs (55.3%), and PAEs (70.7%) and heterocyclic (67.9%), wherein, and in all PAEs, di-
nThe clearance best result of-butyl phthalate and bis (2-ethylhexyl) phthalate is not 73.2% and 82.1%.
the present invention passes through grid settling tank 3 with treatment sewage, settling tank 4, original inhabitants' bacterium settling tank 5 and Fhhh settling tank 6 filter layer by layer, wherein, indigenous bacterium in original inhabitants' bacterium settling tank 5 and Fhhh settling tank 6 and Fhhh (genetically engineered bacteria) are the extremely strong microorganisms of degraded toxic organic compound, and to the hydraulic load in indigenous bacterium settling tank 5 and Fhhh settling tank 6, washing intensity, the parameter areas such as air purge intensity and backwashing time limit, obtained the treatment process of trace toxic organic pollutant in a kind of tap water of the best, effectively subdue or eliminated trace toxic organic pollutant in tap water.
Claims (3)
1. the treatment process of trace toxic organic pollutant in a tap water, the steps include:
Step 1:
build BAF, this BAF comprises water-in (1), valve (2), grid settling tank (3), settling tank (4), original inhabitants' bacterium settling tank (5), Fhhh settling tank (6), under meter (7), outlet conduit (8), back flushing pipeline (9) and blow-off line (10), described grid settling tank (3), settling tank (4), be provided with blow-off line (10) bottom original inhabitants' bacterium settling tank (5) and Fhhh settling tank (6), the bottom of described indigenous bacterium settling tank (5) and Fhhh settling tank (6) also is provided with outlet conduit (8) and back flushing pipeline (9), outlet conduit (8), back flushing pipeline (9) and blow-off line (10) are equipped with under meter (7), valve (2) also is installed on described blow-off line (10),
Step 2:
Treatment sewage enters BAF by water-in (1), tentatively filter by grid settling tank (3) and settling tank (4), regulate the valve (2) of settling tank (4) water outlet, and coordinating under meter (7) to demonstrate discharge, indigenous bacterium settling tank (5) and Fhhh settling tank (6) hydraulic load processing parameter are set to 0.5 ~ 2.0m h
1The washing intensity of regulating indigenous bacterium settling tank (5) and Fhhh settling tank (6) is 6 ~ 20m h
1, the washing time length is 3 ~ 8min, and the washing frequency is weekly, passes into air toward indigenous bacterium settling tank (5) and Fhhh settling tank (6) simultaneously, and controlling air purge intensity is 15 ~ 35m h
1, the air purge time length is 3 ~ 6min, the air purge frequency is weekly;
Step 3:
Treatment sewage is through after step 2, and the toxic organic pollutant that contains in sewage is effectively removed, and after processing, water outlet is discharged by outlet conduit (8).
2. the treatment process of trace toxic organic pollutant in a kind of tap water according to claim 1, it is characterized in that: the described indigenous bacterium settling tank of step 2 (5) and Fhhh settling tank (6) hydraulic load processing parameter are set to 1.0 ~ 2.0m h
1
3. the treatment process of trace toxic organic pollutant in a kind of tap water according to claim 2, it is characterized in that: the washing intensity of the described indigenous bacterium settling tank of step 2 (5) and Fhhh settling tank (6) is 8 ~ 15m h
1, the washing time length is 5 ~ 8min, and the washing frequency is weekly, passes into air toward indigenous bacterium settling tank (5) and Fhhh settling tank (6) simultaneously, and controlling air purge intensity is 15 ~ 30m h
1, the air purge time length is 3 ~ 5min, the air purge frequency is weekly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310089966.2A CN103130383A (en) | 2013-03-20 | 2013-03-20 | Method for treating trace amounts of toxic organic pollutants in drinking water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310089966.2A CN103130383A (en) | 2013-03-20 | 2013-03-20 | Method for treating trace amounts of toxic organic pollutants in drinking water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103130383A true CN103130383A (en) | 2013-06-05 |
Family
ID=48490899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310089966.2A Pending CN103130383A (en) | 2013-03-20 | 2013-03-20 | Method for treating trace amounts of toxic organic pollutants in drinking water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103130383A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111346417A (en) * | 2020-03-16 | 2020-06-30 | 嵊州市永诚工艺竹编厂 | Filtering device for treating trace toxic pollutants in drinking water |
-
2013
- 2013-03-20 CN CN201310089966.2A patent/CN103130383A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111346417A (en) * | 2020-03-16 | 2020-06-30 | 嵊州市永诚工艺竹编厂 | Filtering device for treating trace toxic pollutants in drinking water |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Ullah et al. | Development of a decision support system for the selection of wastewater treatment technologies | |
| JP5658306B2 (en) | Advanced treatment method and apparatus for sewage that does not discharge sludge | |
| US20110210049A1 (en) | Water treatment systems with communication network links and methods | |
| Subramanian et al. | Decentralized treatment and recycling of greywater from a school in rural India | |
| Quispe et al. | Use of biochar-based column filtration systems for greywater treatment: A systematic literature review | |
| CN100545109C (en) | Combined type cultivation wastewater purification method and device | |
| CN104098179B (en) | Assembly type aerobic-anaerobic immobilized microorganism sewage-treatment plant | |
| US20150122709A1 (en) | Water treatment system | |
| Darra et al. | Wastewater treatment processes and microbial community | |
| CN103043861A (en) | Textile wastewater treatment method | |
| CN103011490A (en) | Technology for distributed treatment on domestic sewage from small rural towns | |
| Verma et al. | Use of recycled aggregates as filter support and filter media for decentralized water filtration systems | |
| KR100850770B1 (en) | Irrigation water purifying apparatus and method for converting the agricultural water reuse using the same | |
| Jassal et al. | Sustainable waste water treatment: opportunities and challenges | |
| CN210237388U (en) | New rural sewage integration equipment | |
| CN1295981A (en) | Method and apparatus for treating sewage from catering business | |
| CN103130383A (en) | Method for treating trace amounts of toxic organic pollutants in drinking water | |
| CN102951775B (en) | Integral sewage treatment method and device thereof | |
| KR100975239B1 (en) | A sewage water treating method for river water | |
| O'Keeffe et al. | Practical measures for reducing phosphorus and faecal microbial loads from onsite wastewater treatment system discharges to the environment: a review | |
| CN204897662U (en) | Effluent disposal system is slaughtered to food | |
| Singh et al. | Process design for decentralized sewage treatment system with total natural resource management | |
| CN215667444U (en) | Landfill leachate treatment facility | |
| CN217025676U (en) | Be provided with ultrafiltration reverse osmosis system's sewage treatment system | |
| CN219217782U (en) | System for removing 2-MIB in water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130605 |