CN210481146U - Device for treating high-salt high-concentration organic wastewater - Google Patents
Device for treating high-salt high-concentration organic wastewater Download PDFInfo
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- CN210481146U CN210481146U CN201921241168.6U CN201921241168U CN210481146U CN 210481146 U CN210481146 U CN 210481146U CN 201921241168 U CN201921241168 U CN 201921241168U CN 210481146 U CN210481146 U CN 210481146U
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- China
- Prior art keywords
- salt
- bacteria
- halotolerant
- concentration organic
- organic wastewater
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- 239000002351 wastewater Substances 0.000 title claims abstract description 37
- 241000894006 Bacteria Species 0.000 claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000011156 evaluation Methods 0.000 claims abstract description 20
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 15
- 239000001301 oxygen Substances 0.000 claims description 15
- 229910052760 oxygen Inorganic materials 0.000 claims description 15
- 239000007800 oxidant agent Substances 0.000 claims description 13
- 230000001590 oxidative effect Effects 0.000 claims description 13
- 239000003054 catalyst Substances 0.000 claims description 12
- 235000015097 nutrients Nutrition 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical group OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 6
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 claims description 6
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 5
- JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 claims description 4
- FHHJDRFHHWUPDG-UHFFFAOYSA-L peroxysulfate(2-) Chemical group [O-]OS([O-])(=O)=O FHHJDRFHHWUPDG-UHFFFAOYSA-L 0.000 claims description 4
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical group COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 3
- 239000011324 bead Substances 0.000 claims description 3
- 235000019253 formic acid Nutrition 0.000 claims description 3
- 239000010453 quartz Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 244000005700 microbiome Species 0.000 abstract description 8
- 150000003839 salts Chemical class 0.000 abstract description 7
- 241000233866 Fungi Species 0.000 abstract description 5
- 238000004065 wastewater treatment Methods 0.000 abstract description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 239000010815 organic waste Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000006864 oxidative decomposition reaction Methods 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
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- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model discloses a device for treating high-salt high-concentration organic wastewater, which comprises a fluidized bed device, a salt-tolerant bacteria biodegradability evaluation device and a salt-tolerant bacteria biochemical treatment device, wherein the water outlet of the fluidized bed device is connected with the water inlet of the salt-tolerant bacteria biodegradability evaluation device, and the water outlet of the salt-tolerant bacteria biodegradability evaluation device is respectively connected with the water inlets of the fluidized bed device and the salt-tolerant bacteria biochemical treatment device; the evaluation device for the biodegradability of the halotolerant bacteria is used for measuring the biochemical BOD of the wastewater5/CODcrThe value is obtained. The utility model provides an organic that can carry out evaluation to halotolerant fungus biodegradabilityA wastewater treatment device solves the problem that microorganisms are easy to inactivate under the conditions of high salt and high concentration in common water treatment. The utility model relates to a water treatment technical field.
Description
Technical Field
The utility model relates to a water treatment technical field especially relates to a handle device of high salt high concentration organic waste water.
Background
The single common biochemical treatment method cannot play a role in the scene for the waste water with high contents of inorganic salts and refractory organic matters such as aged percolate and unbalanced C/N ratio, so that in many engineering cases, the biochemical treatment is replaced by a physical and chemical method to degrade the high-salt and refractory organic matter waste water, but the cost is usually much higher than that of the biochemical treatment, and the removal effect on ammonia nitrogen is not ideal.
In order to reduce the treatment cost, some engineering cases try to use a mode of combining physicochemical treatment with biochemical treatment when treating the wastewater, but due to higher salt content, microorganisms are difficult to survive, and the treatment efficiency of a biochemical section is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects and deficiencies of the prior art, provide an organic wastewater treatment device which can evaluate the biodegradability of halotolerant bacteria, and solve the problem that microorganisms are easy to inactivate under the condition of high salt and high concentration in the common water treatment.
The purpose of the utility model can be realized by the following technical scheme:
the utility model provides a handle device of high salt high concentration organic waste water, includes fluidized bed device, halotolerant bacteria biodegradability evaluation device and halotolerant bacteria biochemical treatment device, fluidized bed device's delivery port with halotolerant bacteria biochemical treatment device's water inlet is connected, halotolerant bacteria biochemical treatment evaluation dressThe water outlet is respectively connected with the water inlets of the fluidized bed device and the halotolerant bacteria biochemical treatment device; the evaluation device for the biodegradability of the halotolerant bacteria is used for measuring the biochemical BOD of the wastewater5/CODcrThe value is obtained.
As a preferable technical scheme, the salinity-tolerant bacteria biodegradability evaluation device comprises BOD5Measurement device and CODcrA measuring device and a control valve.
According to the preferable technical scheme, the fluidized bed device comprises a packed bed, a filter layer covering the packed bed and an inner circulating system, wherein an ultraviolet LED lamp is installed in the packed bed, the inner circulating system is connected with the packed bed and the filter layer, an oxidant feeding port and a catalyst feeding port are formed in a pipeline of the inner circulating system, a water inlet is formed in the bottom of the packed bed, and a water outlet is formed in the top of the filter layer.
As a preferable technical scheme, the filler in the packed bed is ultraviolet light-transmitting quartz beads.
As a preferable technical scheme, the wave band of the ultraviolet LED lamp is 260 nm-400 nm.
As a preferred technical scheme, the oxidant added by the oxidant adding port is peroxymonosulfate or peroxydisulfate, and the catalyst added by the catalyst adding port is Fe2+、Cu2+Or Mn2+。
As a preferred technical scheme, the halotolerant bacteria biochemical treatment device comprises an oxygen increasing agent feeding port, a nutrient feeding port and a water outlet. The oxygen increasing agent added at the oxygen increasing agent adding port is hydrogen peroxide or peroxyacetic acid, and the nutrient added at the nutrient adding port is formic acid. Adding an oxygen increasing agent and nutrients to ensure the normal growth of halotolerant bacteria.
As the optimized technical scheme, acclimatized aerobic halotolerant bacteria are inoculated in the halotolerant bacteria biochemical treatment device.
As a preferable technical scheme, the dissolved oxygen in the halotolerant bacteria biochemical treatment device is controlled to be more than 4 mg/L.
The utility model discloses a theory of operation is: a salt-tolerant bacteria biochemical evaluation device is arranged between the fluidized bed device and the salt-tolerant bacteria biochemical treatment device and is arranged by the fluidized bedThe treated wastewater enters a halotolerant bacteria biochemical evaluation device for measuring BOD5/CODcrValue and determine BOD5/CODcrValue to 0.1, as BOD5/CODcrWhen the value is more than 0.1, the wastewater is accessed into a halotolerant bacteria biochemical treatment device, and when the value is BOD5/CODcrWhen the value is less than 0.1, the wastewater flows back to the fluidized bed device. Through the judgment of the halotolerant bacteria biochemical evaluation device, the problem that microorganisms are inactivated under high-salt conditions because the wastewater directly enters the halotolerant bacteria biochemical treatment device in the prior art can be solved.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. the utility model discloses be provided with the biochemical evaluation device of halotolerant fungus between fluidized bed device and halotolerant fungus biochemical treatment device, use the biochemical of BOD5 CODcr value table sign halotolerant fungus of survey, have important practice guidance meaning to follow-up halotolerant fungus biochemical stage.
2. The fluidized bed device of the utility model reduces the toxicity of the organic matters which are difficult to degrade in the waste water to the subsequent biochemical microorganisms.
3. The utility model discloses a halotolerant bacteria biochemical treatment device realizes further processing to organic matter and ammonia nitrogen in the waste water, makes the discharge to reach standard of play water, maximum reduction treatment cost.
Drawings
FIG. 1 is a schematic structural diagram of a device for treating high-salt high-concentration organic wastewater in an embodiment of the utility model;
fig. 2 is a schematic structural diagram of the device for evaluating biodegradability of halotolerant bacteria in the embodiment of the present invention.
Wherein: 1: water inlet, 2: packed bed, 3: ultraviolet LED lamp, 4: filter layer, 5: internal circulation system, 6: an oxidant feeding port, 7: catalyst addition port, 8: water outlet, 9: fluidized bed apparatus, 10: salt-tolerant bacteria biodegradability evaluation device, 11: salt-tolerant bacteria biochemical treatment device, 12: an oxygen increasing agent feeding port, 13: nutrient adding part, 14: water outlet, 15: BOD5Measurement apparatus, 16: CODcrMeasurement apparatus, 17: and controlling the valve.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.
The utility model provides a handle device of high salt high concentration organic waste water, includes fluidized bed device, salt-tolerant bacteria biodegradability evaluation device and salt-tolerant bacteria biochemical treatment device, and the delivery port of fluidized bed device is connected with the water inlet of salt-tolerant bacteria biochemical treatment device, and the delivery port of salt-tolerant bacteria biochemical treatment device is connected with the water inlet of fluidized bed device and salt-tolerant bacteria biochemical treatment device respectively.
The fluidized bed device comprises a packed bed, a filter layer covering the packed bed and an internal circulation system. The inner circulation system is connected with the packed bed and the filtering layer, an oxidant feeding port and a catalyst feeding port are arranged on a pipeline of the inner circulation system, the inner circulation system enables wastewater to circulate in the device, and meanwhile, the packing is in a flowing state. The filter layer can prevent the filler from overflowing. A water inlet is arranged at the bottom of the packed bed, and a water outlet 8 is arranged at the top of the filtering layer. The filler in the packed bed is ultraviolet light transmitting quartz beads. An ultraviolet LED lamp is arranged in the packed bed, and the wave band of the ultraviolet LED lamp is 260 nm-400 nm. Can be based on the initial COD of the wastewatercrAdding an oxidant into an oxidant adding port, wherein the oxidant is Peroxymonosulfate (PMS) or Peroxydisulfate (PDS), and adding a catalyst into a catalyst adding port, wherein the catalyst is Fe2+、Cu2+Or Mn2+. After an oxidant and a catalyst are added, an ultraviolet LED lamp is turned on, catalytic oxidation reaction occurs in the fluidized bed device, and organic matters which are difficult to degrade in the wastewater are completely degraded or decomposed into intermediates with simple structures, so that the salinity and the concentration of the wastewater are reduced, and the biodegradability of the wastewater is gradually improved.
The evaluation device for the biodegradability of the halotolerant bacteria comprises BOD5Measurement device and CODcrA measuring device and a control valve. The wastewater treated by the fluidized bed device enters a salt-tolerant bacteria biodegradability evaluation device through a water outlet 8, and BOD is measured in the device5/CODcrThe value is obtained. BOD5The amount of free oxygen consumed by aerobic microorganisms for oxidative decomposition of organic substances in a unit volume of water in 5 days is expressed in terms of oxygenMg/l. CODcrIndicating the use of potassium dichromate K2Cr2O7The chemical oxygen consumption, i.e. the dichromate index, was measured as the oxidant. BOD5The measuring device can select the galaxy brand 870 type direct reading BOD5Determinator, CODcrThe measuring device can select a GO (graphene oxide) brand and a BlueBox type multi-parameter water quality on-line analysis measuring instrument.
BOD5The microorganism used in the measuring device is domesticated halotolerant bacteria, when the microorganism is BOD5/CODcrWhen the value is more than 0.1, controlling a valve to introduce the wastewater into a halotolerant bacteria biochemical treatment device; when BOD is reached5/CODcrWhen the value is less than 0.1, the valve is controlled to reflux the wastewater to the fluidized bed device for further organic matter degradation.
The acclimatized aerobic halotolerant bacteria are inoculated in the halotolerant bacteria biochemical treatment device, and the maximum salinity tolerance of the halotolerant bacteria can reach 25%. When the wastewater BOD5/CODcrWhen the value is more than 0.1, the wastewater enters a halotolerant bacteria biochemical treatment device, the dissolved oxygen of the water body is controlled to be more than 4mg/L, the residual organic matters and ammonia nitrogen are further treated, and the standard-reaching wastewater treated by the halotolerant bacteria is discharged from a water outlet 14. When the dissolved oxygen in the wastewater is insufficient, hydrogen peroxide or peracetic acid can be added in advance through the oxygen increasing agent adding port to improve the dissolved oxygen in the wastewater, and when the nutrients in the wastewater are insufficient, micromolecular organic matters such as formic acid and the like can be added through the nutrient adding port to ensure the normal growth of halotolerant bacteria.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A device for treating high-salt high-concentration organic wastewater is characterized by comprising a fluidized bed device and halotolerant bacteriaThe water outlet of the fluidized bed device is connected with the water inlet of the salt-tolerant bacteria biochemical evaluation device, and the water outlet of the salt-tolerant bacteria biochemical evaluation device is respectively connected with the water inlets of the fluidized bed device and the salt-tolerant bacteria biochemical treatment device; the evaluation device for the biodegradability of the halotolerant bacteria is used for measuring the biochemical BOD of the wastewater5/CODcrThe value is obtained.
2. The apparatus for treating high-salinity high-concentration organic wastewater according to claim 1, wherein the device for evaluating the biodegradability of halodurans comprises BOD5Measurement device and CODcrA measuring device and a control valve.
3. The device for treating high-salinity high-concentration organic wastewater according to claim 1, wherein the fluidized bed device comprises a packed bed, a filtering layer covering the packed bed, and an internal circulation system, wherein an ultraviolet LED lamp is installed in the packed bed, the internal circulation system is connected with the packed bed and the filtering layer, an oxidant feeding port and a catalyst feeding port are arranged on a pipeline of the internal circulation system, a water inlet is arranged at the bottom of the packed bed, and a water outlet is arranged at the top of the filtering layer.
4. The apparatus of claim 3, wherein the packing material in the packed bed is UV-transparent quartz beads.
5. The apparatus as claimed in claim 3, wherein the wavelength band of the ultraviolet LED lamp is 260nm to 400 nm.
6. The apparatus of claim 3, wherein the oxidant added by the oxidant adding port is peroxymonosulfate or peroxydisulfate, and the catalyst added by the catalyst adding port is Fe2+、Cu2+Or Mn2+。
7. The device for treating high-salt high-concentration organic wastewater according to claim 1, wherein the halotolerant bacteria biochemical treatment device comprises an oxygen increasing agent feeding port, a nutrient feeding port and a water outlet.
8. The apparatus for treating high-salinity high-concentration organic wastewater according to claim 7, wherein the oxygen increasing agent added by the oxygen increasing agent adding port is hydrogen peroxide or peracetic acid, and the nutrient added by the nutrient adding port is formic acid.
9. The apparatus for treating high-salinity high-concentration organic wastewater according to claim 7, wherein the biochemical treatment apparatus for halotolerant bacteria is inoculated with acclimated aerobic halotolerant bacteria.
10. The apparatus for treating high-salinity high-concentration organic wastewater according to claim 7, wherein the dissolved oxygen in the halotolerant bacteria biochemical treatment apparatus is controlled to be above 4 mg/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921241168.6U CN210481146U (en) | 2019-08-02 | 2019-08-02 | Device for treating high-salt high-concentration organic wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921241168.6U CN210481146U (en) | 2019-08-02 | 2019-08-02 | Device for treating high-salt high-concentration organic wastewater |
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| Publication Number | Publication Date |
|---|---|
| CN210481146U true CN210481146U (en) | 2020-05-08 |
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| CN201921241168.6U Expired - Fee Related CN210481146U (en) | 2019-08-02 | 2019-08-02 | Device for treating high-salt high-concentration organic wastewater |
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2019
- 2019-08-02 CN CN201921241168.6U patent/CN210481146U/en not_active Expired - Fee Related
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Granted publication date: 20200508 |