CN102616995B - A kind of catalytic ozonation of reverse osmosis concentrated water and biochemical composite handling arrangement and application method thereof - Google Patents
A kind of catalytic ozonation of reverse osmosis concentrated water and biochemical composite handling arrangement and application method thereof Download PDFInfo
- Publication number
- CN102616995B CN102616995B CN201210091681.8A CN201210091681A CN102616995B CN 102616995 B CN102616995 B CN 102616995B CN 201210091681 A CN201210091681 A CN 201210091681A CN 102616995 B CN102616995 B CN 102616995B
- Authority
- CN
- China
- Prior art keywords
- tower
- reverse osmosis
- osmosis concentrated
- concentrated water
- sun
- 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.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 86
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 52
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000006385 ozonation reaction Methods 0.000 title claims abstract description 18
- 239000002131 composite material Substances 0.000 title claims abstract description 17
- 230000003647 oxidation Effects 0.000 claims abstract description 40
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 40
- 239000012528 membrane Substances 0.000 claims abstract description 29
- 238000007872 degassing Methods 0.000 claims abstract description 27
- 238000005273 aeration Methods 0.000 claims abstract description 24
- 239000010865 sewage Substances 0.000 claims abstract description 18
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000002957 persistent organic pollutant Substances 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims description 19
- 230000005855 radiation Effects 0.000 claims description 13
- 239000003054 catalyst Substances 0.000 claims description 11
- 239000000945 filler Substances 0.000 claims description 11
- 238000011049 filling Methods 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims description 8
- 230000002906 microbiologic effect Effects 0.000 claims description 7
- 244000005700 microbiome Species 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 238000009395 breeding Methods 0.000 claims description 4
- 230000001488 breeding effect Effects 0.000 claims description 4
- 230000012010 growth Effects 0.000 claims description 4
- 230000004060 metabolic process Effects 0.000 claims description 4
- 238000009825 accumulation Methods 0.000 claims description 3
- 239000003963 antioxidant agent Substances 0.000 claims description 3
- 230000003078 antioxidant effect Effects 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 230000003750 conditioning effect Effects 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000002244 precipitate Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- 230000001590 oxidative effect Effects 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 6
- 229910000975 Carbon steel Inorganic materials 0.000 description 5
- 239000010962 carbon steel Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 4
- -1 hydroxy group free radical Chemical class 0.000 description 4
- 239000013043 chemical agent Substances 0.000 description 3
- 239000013067 intermediate product Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003851 biochemical process Effects 0.000 description 1
- OKTJSMMVPCPJKN-BJUDXGSMSA-N carbon-11 Chemical compound [11C] OKTJSMMVPCPJKN-BJUDXGSMSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of catalytic ozonation of reverse osmosis concentrated water and biochemical composite handling arrangement and application method thereof, it is characterized in that: comprise fixed bed catalytic oxidation tower, sky exposes to the sun degassing tower, fluidized bed bio membrane reactor, gas blower, ozonizer, line mixer; Described reverse osmosis concentrated water bin is connected with fixed bed catalytic oxidation tower by pipeline one, and pipeline one is provided with line mixer, and line mixer is connected with ozonizer; Being connected by pipeline two and the sky degassing tower that exposes to the sun of fixed bed catalytic oxidation tower, the sky degassing tower that exposes to the sun is connected with fluidized bed bio membrane reactor by pipeline three, the outlet connecting secondary settling bowl of fluidized bed bio membrane reactor; Fixed bed catalytic oxidation tower, the sky degassing tower that exposes to the sun all is provided with in fluidized bed bio membrane reactor the aeration tube be connected with gas blower.Reverse osmosis concentrated water of the present invention is without the need to adjust ph; Because catalyzer participates in oxidizing reaction, and oxidizing reaction only controls in the stage of destroying organic pollutant molecule structure, and ozone dosage is little, only need about 40mg/L, and processing cost is cheap, about 0.6 yuan/m3 sewage; The method non-secondary pollution, environmental protection.
Description
Technical field
The present invention relates to the process field of reverse osmosis concentrated water in reusing sewage process, particularly relate to a kind of catalytic ozonation of reverse osmosis concentrated water and biochemical composite handling arrangement and application method thereof.
Background technology
Reverse osmosis membrane separation technology is as the technology of current water treatment field advanced person, there is clean, efficient, free of contamination advantage, the fields such as sea water desaltination, brackish water purification, pure water and ultrapure water preparation, municipal sewage treatment and reuse, Industrial Wastewater Treatment and reuse are widely used in, for water treatment field makes remarkable contribution.
Reverse osmosis membrane technology, in the application of municipal sewage treatment and reuse, Industrial Wastewater Treatment and reuse, produces the dense water of 20% to 30% while obtaining quality products water.Other index of such dense water can meet discharging standards, but the COD in dense water reaches 80-180mg/L, more than the discharging standards of 60mg/L, and could qualified discharge after needing process.
COD pollutent in such dense water is that the high power of feed water by reverse osmosis COD concentrates.Because feed water by reverse osmosis is through microbial biochemical process, the COD in dense water is made to be difficult to biological degradation; And conventional coagulating sedimentation or filtration process do not have treatment effect substantially; Adopt active carbon absorption technology processing cost too high, uneconomical practicality; Adopt hydrogen peroxide (H
2o
2), dioxide peroxide (ClO
2), the chemical agent such as clorox (NaClO) is oxidized, treatment effect is good, but needs to regulate dense water pH value, and consumption of chemical agent is large, and processing cost is higher, reaches 1.2-1.5 unit/m
3dense water, and chemical agent volatilization causes the shortcomings such as secondary pollution; Adopt ozone (O
3) be oxidized, treatment effect is good, does not need to regulate dense water pH value, but O
3dosage reaches 150-200mg/L, and processing cost reaches 1.0-1.2 unit/m
3dense water.Thus be necessary to develop that a kind of processing cost is low, the reverse osmosis thick water treatment method of non-secondary pollution, by the COD Pollutant Treatment in such reverse osmosis concentrated water below national standard, thus qualified discharge.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of catalytic ozonation of reverse osmosis concentrated water and biochemical composite handling arrangement and application method thereof, overcome the deficiency on existing reverse osmosis concentrated water technology, COD in reverse osmosis concentrated water is dropped to below 50mg/L, thus qualified discharge.
Technical problem to be solved by this invention is achieved through the following technical solutions:
A kind of catalytic ozonation of reverse osmosis concentrated water and biochemical composite handling arrangement, comprise reverse osmosis concentrated water bin, be connected to lift pump on reverse osmosis concentrated water bin outlet conduit one and under meter and secondary settling tank, it is characterized in that: also comprise fixed bed catalytic oxidation tower, sky exposes to the sun degassing tower, fluidized bed bio membrane reactor, gas blower, ozonizer, line mixer;
Described reverse osmosis concentrated water bin is connected with fixed bed catalytic oxidation tower by pipeline one, and pipeline one is provided with line mixer, and line mixer is connected with ozonizer; Being connected by pipeline two and the sky degassing tower that exposes to the sun of fixed bed catalytic oxidation tower, the sky degassing tower that exposes to the sun is connected with fluidized bed bio membrane reactor by pipeline three, the outlet connecting secondary settling bowl of fluidized bed bio membrane reactor; Fixed bed catalytic oxidation tower, the sky degassing tower that exposes to the sun all is provided with in fluidized bed bio membrane reactor the aeration tube be connected with gas blower.
Fixed bed catalytic oxidation tower apparatus with catalyst inside carrier active carbon and NiO/CuO composite catalyst.
The beds hydraulic detention time of fixed bed catalytic oxidation tower is 40min, and ozone dosage is 40-45mg/L.
The expose to the sun hydraulic detention time of degassing tower of sky is 30min.
Fluidized bed bio membrane reactor is built with suspension biological carrier filling, and form fluidized-bed process, suspension biological carrier filling filling rate is 30 ~ 40%.
Described suspension biological carrier filling comprises external toroidal ring, interior ring, radial gusset, little fin, radial radiation fin; The radial link of boards that described external toroidal ring and interior ring are intersected vertically by two panels; Be provided with 8 between described external toroidal ring and interior ring and connect gusset; Multiple chamber is formed between external toroidal ring and interior ring; Described radial radiation fin is 32, and interval is evenly arranged on the outer surface of external toroidal ring; Described little fin is 12, and interval is evenly arranged on the outer surface of interior ring.
The diameter of described external toroidal ring is 19.5-20.5mm, the diameter of described interior ring is 9.5-10.5mm, described radial radiation fin height is 1.8-2.2mm, and described little fin height is 0.9-1.1mm, and the thickness of described external toroidal ring, interior ring, little fin and radial radiation fin is 0.3-0.5mm; Described suspended biological filler makes by containing the PE material adding hydrophilizing agent, antioxidant and proportion conditioning agent, and its proportion is 0.94-0.98; Specific surface area after described suspended biological filler accumulation is 400-500m
2/ m
3.
Described gas blower is Root's blower, centrifugal blower or rotary blower.
The catalytic ozonation of described reverse osmosis concentrated water and the application method of biochemical composite handling arrangement, is characterized in that the method comprises following processing step:
(1) the dense water of described reverse osmosis concentrated water bin is through lift pump pressurization and under meter metering, is thoroughly mixed to form air-water mixture with the ozone come from ozonizer in line mixer;
(2) air-water mixture in line mixer enters from the bottom of fixed bed catalytic oxidation tower, catalytic oxidation is there is in organic pollutants and ozone on support of the catalyst activated carbon capillary surface, the air aeration tube at the bottom of tower simultaneously come from gas blower carries out pneumatic blending to sewage, prevents the short stream of water;
(3) water outlet of fixed bed catalytic oxidation tower enters sky and to expose to the sun degassing tower, and the air aeration tube at the bottom of tower come from gas blower carries out aeration to sewage, by complete for unreacted in sewage remaining ozone stripping removing;
(4) sky degassing tower water outlet of exposing to the sun enters fluidized bed bio membrane reactor, what formed after catalytic ozonation is structural unstablely easy to biodegradable organism and is decomposed by microbiological oxidation, the air come from gas blower at the bottom of pond aeration tube for microorganism newly become metabolism, growth and breeding provides oxygen;
(5) water outlet of fluidized bed bio membrane reactor enters second pond and carries out precipitate and separate.
Tool of the present invention has the following advantages: reverse osmosis concentrated water is without the need to adjust ph; Because catalyzer participates in oxidizing reaction, and oxidizing reaction only controls in the stage of destroying organic pollutant molecule structure, and ozone dosage is little, only need about 40mg/L, and processing cost is cheap, about 0.6 yuan/m3 sewage; The method non-secondary pollution, environmental protection.
Accompanying drawing explanation
Fig. 1 is device schematic flow sheet of the present invention
Fig. 2 is the orthographic plan of sewage disposal suspended biological filler of the present invention
Fig. 3 is the sectional view of sewage disposal suspended biological filler of the present invention
In figure, in 21. external toroidal rings, 22., ring, 23. radial gussets, 24. little fins, 25. radial radiation fins, 26. connect gusset;
1. reverse osmosis concentrated water bin, 2. lift pump, 3. fixed bed catalytic oxidation tower, 4. sky expose to the sun degassing tower, 5. fluidized bed bio membrane reactor, 6. secondary settling tank, 7. gas blower, 8. ozonizer, 9. under meter, 10. line mixer, 11. support of the catalyst gacs, 12. aeration tubes, 13. aeration tubes, 14. aeration tubes, 15. suspended biological fillers
Embodiment
Below in conjunction with Figure of description, the invention will be further described.
A kind of catalytic ozonation of reverse osmosis concentrated water and biochemical composite handling arrangement, comprise reverse osmosis concentrated water bin 1, be connected to lift pump 2 on reverse osmosis concentrated water bin 1 outlet conduit one and under meter 9 and secondary settling tank 6, it is characterized in that: also comprise fixed bed catalytic oxidation tower 3, sky exposes to the sun degassing tower 4, fluidized bed bio membrane reactor 5, gas blower 7, ozonizer 8, line mixer 10;
Described reverse osmosis concentrated water bin 1 is connected with fixed bed catalytic oxidation tower 3 by pipeline one, pipeline one is provided with line mixer 10, and line mixer 10 is connected with ozonizer 8; Being connected by pipeline two and the sky degassing tower 4 that exposes to the sun of fixed bed catalytic oxidation tower 3, the sky degassing tower 4 that exposes to the sun is connected with fluidized bed bio membrane reactor 5 by pipeline three, the outlet connecting secondary settling bowl 6 of fluidized bed bio membrane reactor 5; Fixed bed catalytic oxidation tower 3, sky expose to the sun degassing tower 4 with the aeration tube 12,13,14 be connected with gas blower 7 is all installed in fluidized bed bio membrane reactor 5.Described reverse osmosis concentrated water bin 1, for storing the dense water from reverse osmosis membrane apparatus discharge, designs hydraulic detention time 6-8h.Casing can be skeleton construction, carbon steel anticorrosion structure, stainless steel structure or plastic material structure.Described lift pump 2 carries out pressurization to pending dense water and promotes, and flow is selected according to designing treatment amount, and lift is about 15m, can be impeller pump, submersible pump, vacuum primingpump or submerged pump.
Described fixed bed catalytic oxidation tower 3 provides contact reacts space for reverse osmosis concentrated water and strong oxidizer ozone, and design height is about 3m, beds hydraulic detention time is about 40min, and ozone dosage is 40-45mg/L.。Tower body is skeleton construction, carbon steel anticorrosion structure or stainless steel structure.Apparatus with catalyst inside carrier active carbon 11, NiO/CuO composite catalyst selected by catalyzer.Aeration tube 12 is set at the bottom of tower and provides stirring air for oxidizing reaction, prevented the short stream of water.
Reaction mechanism in described fixed bed catalytic oxidation tower 3: COD class organic pollutant and O in water
3be adsorbed to the micropore surface of support of the catalyst gac, form pollutent-catalyzer, catalyzer-O
3intermediate product.On the one hand, pollutent-catalyzer intermediate product can by O
3be direct oxidation into the structural unstable material being easy to microbiological deterioration, or resolved into H by exhaustive oxidation
2o, CO
2etc. harmless inorganics; On the other hand, the hydroxide ion (OH in water
-) and catalyzer-O
3intermediate product combines and a series of radical chain reaction generation great amount of hydroxy group free radical (OH) occurs, due to hydroxyl radical free radical (OH) there is very high oxidizing potential, oxidisability is extremely strong, constitutionally stable organic pollutant can be oxidized to the structural unstable material being easy to microbiological deterioration, or be resolved into H by exhaustive oxidation
2o, CO
2etc. harmless inorganics.By control O
3dosage, namely adds O on a small quantity
3, control the catalytic oxidation degree of depth, constitutionally stable organic pollutant oxygenolysis can be become the structural unstable material being easy to microbiological deterioration.
The expose to the sun effect of degassing tower 4 of described sky removes the complete remaining O of unreacted in water by aeration
3, be beneficial to follow-up microbial biochemical system.Design height is about 3m, hydraulic detention time is about 30min.Tower body is skeleton construction, carbon steel anticorrosion structure or stainless steel structure; Aeration tube 13 is set at the bottom of tower stripping air is provided.
Described fluidized bed bio membrane reactor 5 is a kind of high-effective microorganism Biochemistry Reaction System, and its effect utilizes microorganism to degrade the structural unstable material being easy to microbiological deterioration formed after catalytic ozonation.Design hydraulic detention time is about 2h.Reactor cell body is skeleton construction, carbon steel anticorrosion structure or stainless steel structure.The in-built suspension biological carrier filling 15 in pond, forms fluidized-bed process, filler filling rate 30-40%.Arrange at the bottom of pond aeration tube 14 for microorganism newly become metabolism, growth and breeding provides oxygen.
The effect of described secondary settling tank 6 be to biochemistry after dense water carry out mud-water separation; Design surface load 0.5m
3/ m
2h; Pond body is skeleton construction, carbon steel anticorrosion structure or stainless steel structure.
The effect of described gas blower 7 is for expose to the sun degassing tower 4, fluidized bed bio membrane reactor 5 of fixed bed catalytic oxidation tower 3, sky provides air or oxygen; Can be Root's blower, centrifugal blower or rotary blower.
Described suspension biological carrier filling 15 comprises external toroidal ring 21, interior ring 22, radial gusset 23, little fin 24, radial radiation fin 25; The radial gusset 23 that described external toroidal ring 21 is intersected vertically by two panels with interior ring 22 is connected; Be provided with eight between described external toroidal ring 21 and interior ring 22 and connect gusset 26; Multiple chamber is formed between external toroidal ring 21 and interior ring 22; Described radial radiation fin 25 is 32, and interval is evenly arranged on the outer surface of external toroidal ring 21; Described little fin 24 is 12, and interval is evenly arranged on the outer surface of interior ring 22.
The diameter of described external toroidal ring 21 is 19.5-20.5mm, the diameter of described interior ring 22 is 9.5-10.5mm, described radial radiation fin 25 is highly 1.8-2.2mm, described little fin 24 is highly 0.9-1.1mm, and the thickness of described external toroidal ring 21, interior ring 22, little fin 24 and radial radiation fin 25 is 0.3-0.5mm; Described suspended biological filler 15 by containing add hydrophilizing agent, antioxidant and proportion conditioning agent PE material make, its proportion is that the proportion of 0.94-0.98 and water is close, therefore in use its fluidized state good, in the corner of biochemical aeration tank without packing phenomenon; Specific surface area after described suspended biological filler 15 accumulation is 400-500m
2/ m
3, effective ratio area is large, and the microorganism colonization amount of unit volume filler is large.
The catalytic ozonation of described reverse osmosis concentrated water and the application method of biochemical composite handling arrangement, is characterized in that the method comprises following processing step:
(1) the dense water of described reverse osmosis concentrated water bin 1 measures through lift pump 2 pressurization and under meter 9, is thoroughly mixed to form air-water mixture with the ozone from ozonizer 8 in line mixer 10;
(2) air-water mixture in line mixer 10 enters from the bottom of fixed bed catalytic oxidation tower 3, catalytic oxidation is there is in organic pollutants and ozone on support of the catalyst activated carbon capillary surface, carry out pneumatic blending from air aeration tube 12 pairs of sewage at the bottom of tower of gas blower 7 simultaneously, prevent the short stream of water;
(3) fixed bed catalytic oxidation tower 3 water outlet enters sky and to expose to the sun degassing tower 4, carries out aeration, by complete for unreacted in sewage remaining ozone stripping removing from air aeration tube 13 pairs of sewage at the bottom of tower of gas blower 7;
(4) sky degassing tower 4 water outlet of exposing to the sun enters fluidized bed bio membrane reactor 5, what formed after catalytic ozonation is structural unstablely easy to biodegradable organism and is decomposed by microbiological oxidation, from the air of gas blower 7 at the bottom of pond aeration tube 14 for microorganism newly become metabolism, growth and breeding provides oxygen;
(5) fluidized bed bio membrane reactor 5 water outlet enters secondary settling tank 6 and carries out precipitate and separate.
Reverse osmosis concentrated water index through process of the present invention is as shown in the table:
Application example illustrates: the present invention is obvious to the treatment effect of the reverse osmosis concentrated water produced in reusing sewage process, and water outlet COD is less than 50mg/L, completely can qualified discharge; Through statistical study and calculating, processing cost about 0.6 yuan/m
3sewage.
Claims (5)
1. the catalytic ozonation of a reverse osmosis concentrated water and biochemical composite handling arrangement, comprise reverse osmosis concentrated water bin (1), be connected to lift pump (2) on reverse osmosis concentrated water bin (1) outlet conduit one and under meter (9) and secondary settling tank (6), the outlet connecting secondary settling bowl (6) of fluidized bed bio membrane reactor (5), it is characterized in that: also comprise fixed bed catalytic oxidation tower (3), sky exposes to the sun degassing tower (4), gas blower (7), ozonizer (8), line mixer (10);
Described reverse osmosis concentrated water bin (1) is connected with fixed bed catalytic oxidation tower (3) by pipeline one, pipeline one is provided with line mixer (10), line mixer (10) is connected with ozonizer (8); Being connected by pipeline two and the sky degassing tower (4) that exposes to the sun of fixed bed catalytic oxidation tower (3), the sky degassing tower (4) that exposes to the sun is connected with fluidized bed bio membrane reactor (5) by pipeline three; Fixed bed catalytic oxidation tower (3), sky expose to the sun degassing tower (4) with the aeration tube (12,13,14) be connected with gas blower (7) is all installed in fluidized bed bio membrane reactor (5);
Described fixed bed catalytic oxidation tower (3) apparatus with catalyst inside carrier active carbon (11) and NiO/CuO composite catalyst;
The beds hydraulic detention time of described fixed bed catalytic oxidation tower (3) is 40min, and ozone dosage is 40-45mg/L;
The expose to the sun hydraulic detention time of degassing tower (4) of described sky is 30min;
Described fluidized bed bio membrane reactor (5) is built with suspension biological carrier filling (14), and form fluidized-bed process, suspension biological carrier filling (15) filling rate is 30 ~ 40%.
2. the catalytic ozonation of reverse osmosis concentrated water as claimed in claim 1 and biochemical composite handling arrangement, is characterized in that: described suspension biological carrier filling (15) comprises external toroidal ring (21), interior ring (22), radial gusset (23), little fin (24), radial radiation fin (25); The radial gusset (23) that described external toroidal ring (21) is intersected vertically by two panels with interior ring (22) is connected; Be provided with 8 between described external toroidal ring (21) and interior ring (22) and connect gusset (26); Multiple chamber is formed between external toroidal ring (21) and interior ring (22); Described radial radiation fin (25) is 32, and interval is evenly arranged on the outer surface of external toroidal ring (21); Described little fin (24) is 12, and interval is evenly arranged on the outer surface of interior ring (22).
3. the catalytic ozonation of reverse osmosis concentrated water as claimed in claim 2 and biochemical composite handling arrangement, it is characterized in that: the diameter of described external toroidal ring (21) is 19.5-20.5mm, the diameter of described interior ring (22) is 9.5-10.5mm, described radial radiation fin (25) is highly 1.8-2.2mm, described little fin (24) is highly 0.9-1.1mm, and the thickness of described external toroidal ring (21), interior ring (22), little fin (24) and radial radiation fin (25) is 0.3-0.5mm; Described suspended biological filler (15) makes by containing the PE material adding hydrophilizing agent, antioxidant and proportion conditioning agent, and its proportion is 0.94-0.98; Specific surface area after described suspended biological filler (15) accumulation is 400-500m
2/ m
3.
4. the catalytic ozonation of reverse osmosis concentrated water as claimed in claim 1 and biochemical composite handling arrangement, is characterized in that: described gas blower (7) is Root's blower, centrifugal blower or rotary blower.
5. the catalytic ozonation of reverse osmosis concentrated water as claimed in claim 1 and an application method for biochemical composite handling arrangement, is characterized in that the method comprises following processing step:
(1) the dense water of described reverse osmosis concentrated water bin (1) is through lift pump (2) pressurization and under meter (9) metering, is thoroughly mixed to form air-water mixture with the ozone come from ozonizer (8) in line mixer (10);
(2) air-water mixture in line mixer (10) enters from the bottom of fixed bed catalytic oxidation tower (3), catalytic oxidation is there is in organic pollutants and ozone on support of the catalyst activated carbon capillary surface, the air aeration tube (12) at the bottom of tower simultaneously come from gas blower (7) carries out pneumatic blending to sewage, prevents the short stream of water;
(3) fixed bed catalytic oxidation tower (3) water outlet enters sky and to expose to the sun degassing tower (4), the air aeration tube (13) at the bottom of tower come from gas blower (7) carries out aeration to sewage, by complete for unreacted in sewage remaining ozone stripping removing;
(4) sky degassing tower (4) water outlet of exposing to the sun enters fluidized bed bio membrane reactor (5), what formed after catalytic ozonation is structural unstablely easy to biodegradable organism and is decomposed by microbiological oxidation, the air come from gas blower (7) at the bottom of pond aeration tube (14) for microorganism newly become metabolism, growth and breeding provides oxygen;
(5) fluidized bed bio membrane reactor (5) water outlet enters second pond (6) and carries out precipitate and separate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210091681.8A CN102616995B (en) | 2012-03-31 | 2012-03-31 | A kind of catalytic ozonation of reverse osmosis concentrated water and biochemical composite handling arrangement and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210091681.8A CN102616995B (en) | 2012-03-31 | 2012-03-31 | A kind of catalytic ozonation of reverse osmosis concentrated water and biochemical composite handling arrangement and application method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102616995A CN102616995A (en) | 2012-08-01 |
| CN102616995B true CN102616995B (en) | 2016-04-20 |
Family
ID=46557276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210091681.8A Active CN102616995B (en) | 2012-03-31 | 2012-03-31 | A kind of catalytic ozonation of reverse osmosis concentrated water and biochemical composite handling arrangement and application method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102616995B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105174615B (en) * | 2015-09-08 | 2017-12-22 | 大连碧水蓝天环保科技工程有限公司 | The processing unit and processing method of industrial wastewater |
| CN107344806B (en) * | 2017-09-05 | 2023-10-27 | 博天环境集团股份有限公司 | Coal-to-oil RO concentrated water treatment system and treatment method thereof |
| CN108341558A (en) * | 2018-04-24 | 2018-07-31 | 中节能工程技术研究院有限公司 | A kind of advanced waste treatment system and technique |
| CN108751225A (en) * | 2018-07-16 | 2018-11-06 | 浙江大学 | Adsorb the ammonia chloride crystal purification system and method for purification of organic matter azane and oxygen alkane |
| CN113666543A (en) * | 2021-09-16 | 2021-11-19 | 上海泓济环保科技股份有限公司 | Reverse osmosis concentrated water treatment process for strengthening activated carbon adsorption through catalytic oxidation of ozone |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201132793Y (en) * | 2007-11-23 | 2008-10-15 | 江苏红旗环保设备有限公司 | Suspended combined fillers |
| CN201545730U (en) * | 2009-06-15 | 2010-08-11 | 宜兴市嘉和环保填料有限公司 | Novel water treatment fluidized-bed biological filler |
| CN102276121A (en) * | 2011-07-26 | 2011-12-14 | 中冶南方工程技术有限公司 | Process and system for treating reverse osmosis concentrated water of cold rolling steel mill |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003117577A (en) * | 2001-10-16 | 2003-04-22 | Mitsubishi Rayon Co Ltd | Microorganism immobilized carrier and method for manufacturing the same, and waste water treating method using the carrier |
-
2012
- 2012-03-31 CN CN201210091681.8A patent/CN102616995B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201132793Y (en) * | 2007-11-23 | 2008-10-15 | 江苏红旗环保设备有限公司 | Suspended combined fillers |
| CN201545730U (en) * | 2009-06-15 | 2010-08-11 | 宜兴市嘉和环保填料有限公司 | Novel water treatment fluidized-bed biological filler |
| CN102276121A (en) * | 2011-07-26 | 2011-12-14 | 中冶南方工程技术有限公司 | Process and system for treating reverse osmosis concentrated water of cold rolling steel mill |
Non-Patent Citations (1)
| Title |
|---|
| 催化臭氧化-一种有前景的水处理高级氧化技术;李来胜等;《给水排水》;20011231;第27卷(第6期);第26-29页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102616995A (en) | 2012-08-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104192981B (en) | Activated Carbon Catalytic Ozonation Process device and sewage treatment process thereof | |
| US20160137539A1 (en) | Sewage treatment system and method thereof | |
| CN102616995B (en) | A kind of catalytic ozonation of reverse osmosis concentrated water and biochemical composite handling arrangement and application method thereof | |
| CN105060419B (en) | Multicell multidimensional electro-coagulation equipment for high ammonia-nitrogen wastewater | |
| CN101070216A (en) | Integrated ozone and aeration biological filtering pool water treatment apparatus and method | |
| CN101468862A (en) | High purification treatment system for dyeing wastewater | |
| CN208022860U (en) | Depth waste water treatment system | |
| CN202594824U (en) | Ultraviolet-and-ozone-combined (UV/O3) advanced oxidation reactor for treatment of micro-polluted water | |
| CN105884011A (en) | Membrane electric biological treatment device and method for high-concentration organic wastewater hard to degrade | |
| CN114426382A (en) | Ozone oxidation treatment process for ship oil stain wastewater | |
| CN203960019U (en) | For reducing the ozone reactor of mud discharging | |
| CN204342609U (en) | A kind of refractory organic industrial sewage treatment system | |
| CN105174615A (en) | Treatment device and treatment method of industrial wastewater | |
| JP2005169304A (en) | Method of treating high concentration colored organic waste water | |
| CN102583695B (en) | Ozone and hydrogen peroxide combination system for realizing slightly polluted water treatment | |
| CN104628134A (en) | Up-flow electrochemical biofilm reactor | |
| CN207877521U (en) | A kind of garbage leachate treatment device | |
| CN206886798U (en) | anaerobic/aerobic integrated reactor | |
| CN104909517A (en) | Industrial production wastewater advanced treatment device | |
| CN206051773U (en) | A kind of dephosphorization treatment device for glyphosate waste water | |
| CN214496045U (en) | High-efficient hypoxemia MBBR sewage treatment integration equipment | |
| CN215049460U (en) | Alkaloid waste alkaline water treatment system | |
| CN204958680U (en) | Industrial waste water's processing apparatus | |
| CN103922542A (en) | Method and system for pretreating contaminated raw water in long-distance water delivery pipelines | |
| CN102241461B (en) | Deep treatment system for bio-pharmaceutical organic wastewater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ding Shibing Inventor after: Li Xin Inventor after: Lu Xianchun Inventor after: Yang Haiqing Inventor after: Li Guiping Inventor after: Wang Yancheng Inventor after: Hao Yanchun Inventor before: Ding Shibing Inventor before: Yang Haiqing Inventor before: Li Guiping Inventor before: Wang Yancheng Inventor before: Hao Yanchun |
|
| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 13, Lijiaqiao Section, Tongshun Road, Shunyi District, Beijing 101399, China Patentee after: Beijing Bishuiyuan Design Co.,Ltd. Country or region after: China Address before: Office A-402, 4th Floor, Building 2, No.1 Courtyard, Nongda South Road, Haidian District, Beijing 100084 Patentee before: BEIJING BISHUIYUAN ENVIRONMENT ENGINEERING CO.,LTD. Country or region before: China |