CN109502685A - Wastewater treatment method containing BaP - Google Patents
Wastewater treatment method containing BaP Download PDFInfo
- Publication number
- CN109502685A CN109502685A CN201811529858.1A CN201811529858A CN109502685A CN 109502685 A CN109502685 A CN 109502685A CN 201811529858 A CN201811529858 A CN 201811529858A CN 109502685 A CN109502685 A CN 109502685A
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- Prior art keywords
- adsorbent
- molecular sieve
- zsm
- wastewater treatment
- bap
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- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 19
- 239000003463 adsorbent Substances 0.000 claims abstract description 72
- 239000002351 wastewater Substances 0.000 claims abstract description 59
- 239000002808 molecular sieve Substances 0.000 claims abstract description 48
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000000498 cooling water Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910021536 Zeolite Inorganic materials 0.000 claims description 14
- 238000010521 absorption reaction Methods 0.000 claims description 14
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 14
- 239000010457 zeolite Substances 0.000 claims description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 claims description 3
- 241000269350 Anura Species 0.000 claims description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
- 229910052684 Cerium Inorganic materials 0.000 claims description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- 239000011575 calcium Substances 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052746 lanthanum Inorganic materials 0.000 claims description 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 230000008929 regeneration Effects 0.000 claims description 2
- 238000011069 regeneration method Methods 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- 229910052720 vanadium Inorganic materials 0.000 claims description 2
- 229910052727 yttrium Inorganic materials 0.000 claims description 2
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 17
- 238000003672 processing method Methods 0.000 abstract description 2
- 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 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000008213 purified water Substances 0.000 abstract 1
- 210000000780 bap Anatomy 0.000 description 41
- 230000008569 process Effects 0.000 description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 4
- 229910021532 Calcite Inorganic materials 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000006385 ozonation reaction Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- KRUCNVFZSLHJKU-UHFFFAOYSA-N [Si].OC(O)=O Chemical compound [Si].OC(O)=O KRUCNVFZSLHJKU-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- RDSNBKRWKBMPOP-UHFFFAOYSA-N 3-oxocyclopentanecarboxylic acid Chemical compound OC(=O)C1CCC(=O)C1 RDSNBKRWKBMPOP-UHFFFAOYSA-N 0.000 description 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229920000881 Modified starch Polymers 0.000 description 1
- 239000004368 Modified starch Substances 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 241000075088 Pilocarpus jaborandi Species 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- 229960000583 acetic acid Drugs 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- RGKMZNDDOBAZGW-UHFFFAOYSA-N aluminum calcium Chemical compound [Al].[Ca] RGKMZNDDOBAZGW-UHFFFAOYSA-N 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000002306 biochemical method Methods 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000012362 glacial acetic acid Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- 235000019426 modified starch Nutrition 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- RPDAUEIUDPHABB-UHFFFAOYSA-N potassium ethoxide Chemical compound [K+].CC[O-] RPDAUEIUDPHABB-UHFFFAOYSA-N 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- IDEOWHXAQXMJQT-UHFFFAOYSA-L zinc silicic acid sulfate Chemical compound S(=O)(=O)([O-])[O-].[Zn+2].[Si](O)(O)(O)O IDEOWHXAQXMJQT-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/32—Hydrocarbons, e.g. oil
- C02F2101/327—Polyaromatic Hydrocarbons [PAH's]
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Water Treatment By Sorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The present invention relates to a kind of wastewater treatment methods containing BaP, mainly solve the technical problem that benzo-pyrene emission is exceeded in waste water containing BaP.The present invention is by will be fed into the adsorbent bed for being filled with adsorbent, wherein the adsorbent is adsorbent of molecular sieve；Purified water is sent into tank, and technical solution of a part as cooling water reuse solves above-mentioned technical problem.The processing method can be used for wastewater treatment industry production procedure.
Description
Technical field
The present invention relates to the processing methods of BaP in a kind of wastewater treatment method containing BaP, especially coking wastewater.
Background technique
BaP is a kind of active carcinogenic substance, and content has stringent control in air and waste water.Because BaP is in waste water
In concentration it is lower, general biochemical method cannot be handled.
Chinese patent CN201410312754.0 be related to it is a kind of quickly, efficiently, micro BaP in degradation selectivity water
Method.The waste water containing micro BaP after conventional biochemical treatment is cut into water by filler in catalytic ozonation reactor
Selective absorption, catalysis oxygen after film, with the contact of ozone or ozonized air, the dissolution of reverse flow, in molecular engram filler
Change under coupling the selectively micro BaP in degrading waste water.The present invention is by molecular imprinting technology and catalytic ozonation
Technology combines, and quickly, efficiently and selectively handles the micro BaP in waste water, wherein catalytic ozonation reactor exists
It is set to reach 99% or more to the removal rate of micro BaP up to 90% or more the absorption efficiency of ozone in 10min.The present invention
It can be widely used for the depth and regeneration processing of all kinds of stain diseases for being related to BaP.
Document CN201310390834.3 discloses a kind of waste water treating agent containing calcite in powder, and inorganic agent is by following component
Form according to weight ratio: calcite in powder is 18~26 parts, acid fiber by polylactic is 13~16 parts, bamboo charcoal fiber is 12~15 parts, poly-
Silicic acid zinc sulfate is 14~15 parts, carbonic acid silicon is 4~7 parts, 155~195 parts of water.The waste water treating agent being prepared can be significant
Reduce the content of the BaP and ethylbenzene in industrial wastewater.
Chinese patent CN201610734933.2 invention provides that a kind of the invention discloses the depth of petrochemical wastewater
Treatment process, with modified starch, carbonic acid silicon, aluminium hydroxide, bodied ferric sulfate, polymeric aluminum sulfate silicate, calcite in powder, albumen mountain flour,
Sodium hypochlorite, poly-aluminum calcium chloride, sodium hydroxide piece alkali, glacial acetic acid, 3- oxo -1- cyclopentane-carboxylic acid, potassium ethoxide, Pilocarpus jaborandi
Alkali, flocculation aid are configured to composite treating agent, cooperate corresponding absorption, inorganic agent processing, Anaerobic Treatment, photochemical catalytic oxidation, secondary chlorine
The water treatment technologies such as sour sodium oxidation, aeration, electric flocculation and electric floating, so that waste water COD, oil content, BaP after processing
Content, coloration significantly reduce, and can satisfy the requirement of environment protection standard, with good application prospect.
In above-mentioned document, the report using BaP in molecular sieve absorption waste water is not all disclosed.
Summary of the invention
The technical problem to be solved by the present invention is to lower, the not easy to handle technical problems of BaP content in waste water, mention
A kind of wastewater treatment method containing BaP is supplied, which has process short, and low equipment investment, operation is simple and reliable, energy
Consume low, the strong advantage of industrializing implementation.
In order to solve the above technical problems, the present invention is using a kind of wastewater treatment method containing BaP, comprising the following steps:
A) waste water containing BaP is sent into the adsorbent bed for being filled with adsorbent, wherein the adsorbent is adsorbent of molecular sieve；
B) waste water after adsorbing is sent into tank；
C) a part of waste water in tank is as cooling water reuse, a part discharge.
In the above-mentioned technical solutions, preferred technical solution, it includes X-type molecular sieve, Y that the adsorbent of molecular sieve, which is selected from,
Type molecular sieve, A type molecular sieve, TS-1, Ti-MWW, Ti-MOR, ZSM type molecular sieve, modenite, beta molecular sieve, SAPO type point
Sub- sieve, MCM-22, MCM-49, MCM-56, ZSM-5/ modenite, ZSM-5/ β zeolite, ZSM-5/Y, MCM-22/ modenite,
ZSM-5/Magadiite, ZSM-5/ β zeolite/modenite, ZSM-5/ β zeolite/Y zeolite or ZSM-5/Y zeolite/modenite
At least one of.
In the above-mentioned technical solutions, the silica alumina ratio of preferred technical solution, the molecular sieve is greater than 10.
In the above-mentioned technical solutions, preferred technical solution, also containing including element week in the adsorbent of molecular sieve
At least one of Ith A, II A, V A, I B, II B, III B, IV B, V B, VI B, VII B or the VIIIth race's element element in phase table.
In the above-mentioned technical solutions, preferred technical solution, the IIth element A is selected from magnesium and calcium in the periodic table of elements
At least one of；Ith B race element is selected from least one of copper, silver；IIIth B race element in lanthanum, cerium, yttrium at least
It is a kind of.
In the above-mentioned technical solutions, preferred technical solution, ZSM type molecular sieve is selected from packet in the adsorbent of molecular sieve
At least one of ZSM-5, ZSM-23, ZSM-11, ZSM-48 are included, wherein the silica alumina ratio of the molecular sieve is greater than 100.
In the above-mentioned technical solutions, preferred technical solution, in treated waste water, the content of BaP is less than 0.03
ug/L；After the adsorbent of molecular sieve absorption BaP saturation, continued to use after being regenerated 3 ~ 60 hours at 100 ~ 600 DEG C.
In the above-mentioned technical solutions, preferred technical solution, adsorbent bed operation temperature are 10 ~ 60 DEG C, and operating pressure is normal
Pressure.
In the above-mentioned technical solutions, preferred technical solution, be passed through in adsorbent bed air, ozone, in double water oxygen water extremely
Few one kind.
In the above-mentioned technical solutions, preferred technical solution, before waste water feeding is filled with the adsorbent bed of adsorbent, by thick
Filtering.
Using the technical program, BaP waste water will be contained and directly adsorbed with adsorbent, and decomposed through catalysis oxidation, from source
Place solves the problems, such as that BaP is exceeded in waste water.Therefore entire treatment process process is short, low equipment investment, it is easy to operate can
It leans on, low energy consumption.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of wastewater treatment method containing BaP of the invention.
I is coarse filtration system in Fig. 1, and II is adsorbent bed, and III is tank.
1 is waste water containing BaP, and 2 be the waste water after coarse filtration, and 3 be the waste water adsorbed after BaP, and 4 be the useless of reuse
Water, 5 be waste discharge.
The present invention will be further described below by way of examples, but is not limited only to the present embodiment.
Specific embodiment
[embodiment 1]
The waste water feeding of specific embodiment device process as shown in Figure 1, the BaP of L containing 0.3ug/ is filled with adsorbent
Adsorbent bed, wherein the adsorbent is adsorbent of molecular sieve, adsorbent uses hydrophobic type ZSM 5 molecular sieve；After absorption
Waste water be sent into tank；A part of waste water in tank is as cooling water reuse, a part discharge.In treated waste water
BaP content is 0.02ug/L.
[embodiment 2]
The waste water feeding of specific embodiment device process as shown in Figure 1, the BaP of L containing 0.5ug/ is filled with adsorbent
Adsorbent bed, wherein the adsorbent is adsorbent of molecular sieve, adsorbent uses TS-1 type molecular sieve；Waste water after absorption is sent
Enter tank；A part of waste water in tank is as cooling water reuse, a part discharge.BaP contains in treated waste water
Amount is 0.01ug/L.
[embodiment 3]
The waste water feeding of specific embodiment device process as shown in Figure 1, the BaP of L containing 0.8ug/ is filled with adsorbent
Adsorbent bed, wherein the adsorbent is adsorbent of molecular sieve, adsorbent uses Ti-MOR molecular sieve；Waste water after absorption is sent
Enter tank；A part of waste water in tank is as cooling water reuse, a part discharge.BaP contains in treated waste water
Amount is 0.001ug/L.
[embodiment 4]
Specific embodiment device process as shown in Figure 1, the waste water feeding containing 1.3 ug/L BaPs are filled with adsorbent
Adsorbent bed, wherein the adsorbent is adsorbent of molecular sieve, adsorbent uses hydrophobic Ti-MWW type molecular sieve；After absorption
Waste water be sent into tank；A part of waste water in tank is as cooling water reuse, a part discharge.In treated waste water
BaP content is 0.01ug/L.
[embodiment 5]
The waste water feeding of specific embodiment device process as shown in Figure 1, the BaP of L containing 2.43ug/ is filled with adsorbent
Adsorbent bed, wherein the adsorbent is adsorbent of molecular sieve, the Y zeolite molecular sieve that adsorbent uses copper modified；After absorption
Waste water be sent into tank；A part of waste water in tank is as cooling water reuse, a part discharge.In treated waste water
BaP content is 0.01ug/L.
[embodiment 6]
The waste water feeding of specific embodiment device process as shown in Figure 1, the BaP of L containing 0.1ug/ is filled with adsorbent
Adsorbent bed, wherein the adsorbent is adsorbent of molecular sieve, adsorbent uses the ZSM-5 zeolite molecular sieve of copper zinc modification,
The silica alumina ratio of molecular sieve is greater than 600；Waste water after absorption is sent into tank；A part of waste water in tank is as cooling
Water reuse, a part discharge.BaP content is 0.01ug/L in treated waste water.
[embodiment 7]
The waste water feeding of specific embodiment device process as shown in Figure 1, the BaP of L containing 1.5ug/ is filled with adsorbent
Adsorbent bed, wherein the adsorbent is adsorbent of molecular sieve, adsorbent uses the ZSM-5 zeolite molecular sieve of copper zinc modification,
The silica alumina ratio of molecular sieve is greater than 600；Air is passed through in adsorption process in adsorbent bed, the waste water after absorption is sent into tank；
A part of waste water in tank is as cooling water reuse, a part discharge.BaP content is in treated waste water
0.01ug/L。
[embodiment 8]
The waste water feeding of specific embodiment device process as shown in Figure 1, the BaP of L containing 5.6ug/ is filled with adsorbent
Adsorbent bed, wherein the adsorbent is adsorbent of molecular sieve, adsorbent uses the ZSM-5 zeolite molecular sieve of copper zinc modification,
The silica alumina ratio of molecular sieve is greater than 600；Ozone is passed through in adsorption process in adsorbent bed, the waste water after absorption is sent into tank；
A part of waste water in tank is as cooling water reuse, a part discharge.BaP content is in treated waste water
0.01ug/L。
Claims (10)
1. a kind of wastewater treatment method containing BaP, comprising the following steps:
A) waste water containing BaP is sent into the adsorbent bed for being filled with adsorbent, wherein the adsorbent is adsorbent of molecular sieve；
B) waste water after adsorbing is sent into tank；
C) a part of waste water in tank is as cooling water reuse, a part discharge.
2. wastewater treatment method containing BaP according to claim 1, it is characterised in that the adsorbent of molecular sieve choosing
From including X-type molecular sieve, Y type molecular sieve, A type molecular sieve, TS-1, Ti-MWW, Ti-MOR, ZSM type molecular sieve, modenite, β
Type molecular sieve, SAPO type molecular sieve, MCM-22, MCM-49, MCM-56, ZSM-5/ modenite, ZSM-5/ β zeolite, ZSM-5/
Y, MCM-22/ modenite, ZSM-5/Magadiite, ZSM-5/ β zeolite/modenite, ZSM-5/ β zeolite/Y zeolite or
At least one of ZSM-5/Y zeolite/modenite.
3. wastewater treatment method containing BaP according to claim 1, it is characterised in that the sial of the molecular sieve rubs
You are than being greater than 10.
4. wastewater treatment method containing BaP according to claim 1, it is characterised in that in the adsorbent of molecular sieve
Also containing including in the Ith A, II A, V A, I B, II B, III B, IV B, V B, VI B, VII B or the VIIIth race's element in the periodic table of elements
At least one element.
5. wastewater treatment method containing BaP according to claim 4, it is characterised in that in the periodic table of elements
II element A is selected from least one of magnesium and calcium；Ith B race element is selected from least one of copper, silver；IIIth B race element is selected from
At least one of lanthanum, cerium, yttrium.
6. wastewater treatment method containing BaP according to claim 1, it is characterised in that in the adsorbent of molecular sieve
It includes at least one of ZSM-5, ZSM-23, ZSM-11, ZSM-48 that ZSM type molecular sieve, which is selected from, wherein the silicon of the molecular sieve
Al mole ratio is greater than 100.
7. wastewater treatment method containing BaP according to claim 1, it is characterised in that in treated waste water, BaP
Content less than 0.03 ug/L；It is small in 100 ~ 600 DEG C of regeneration 3 ~ 60 after the adsorbent of molecular sieve absorption BaP saturation
When after continue to use.
8. wastewater treatment method containing BaP according to claim 1, it is characterised in that adsorbent bed operation temperature is 10 ~ 60
DEG C, operating pressure is normal pressure.
9. wastewater treatment method containing BaP according to claim 1, it is characterised in that be passed through air, smelly in adsorbent bed
At least one of oxygen, double water oxygen water.
10. wastewater treatment method containing BaP according to claim 1, it is characterised in that waste water feeding is filled with adsorbent
Adsorbent bed before, by coarse filtration.
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| CN114130403A (en) * | 2021-11-25 | 2022-03-04 | 深圳科力迩科技有限公司 | Composite catalytic material and treatment method of black and odorous water body |
| CN114853199A (en) * | 2021-02-03 | 2022-08-05 | 中国石油化工股份有限公司 | System and method for treating wastewater containing benzopyrene |
| CN117225464A (en) * | 2023-11-10 | 2023-12-15 | 内蒙古鄂尔多斯电力冶金集团股份有限公司 | Zeolite catalyst for organic pollutant treatment and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114853199A (en) * | 2021-02-03 | 2022-08-05 | 中国石油化工股份有限公司 | System and method for treating wastewater containing benzopyrene |
| CN114853199B (en) * | 2021-02-03 | 2023-10-13 | 中国石油化工股份有限公司 | Treatment system and method for benzopyrene-containing wastewater |
| CN114130403A (en) * | 2021-11-25 | 2022-03-04 | 深圳科力迩科技有限公司 | Composite catalytic material and treatment method of black and odorous water body |
| CN114130403B (en) * | 2021-11-25 | 2024-01-05 | 深圳科力迩科技有限公司 | Composite catalytic material and method for treating black and odorous water body |
| CN117225464A (en) * | 2023-11-10 | 2023-12-15 | 内蒙古鄂尔多斯电力冶金集团股份有限公司 | Zeolite catalyst for organic pollutant treatment and preparation method thereof |
| CN117225464B (en) * | 2023-11-10 | 2024-03-08 | 内蒙古鄂尔多斯电力冶金集团股份有限公司 | Zeolite catalyst for organic pollutant treatment and preparation method thereof |
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