CN206624737U - A kind of organic wastewater reverse osmosis concentrated water oxidation and desalination system - Google Patents
A kind of organic wastewater reverse osmosis concentrated water oxidation and desalination system Download PDFInfo
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- CN206624737U CN206624737U CN201720090332.2U CN201720090332U CN206624737U CN 206624737 U CN206624737 U CN 206624737U CN 201720090332 U CN201720090332 U CN 201720090332U CN 206624737 U CN206624737 U CN 206624737U
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Abstract
The utility model proposes a kind of oxidation of organic wastewater reverse osmosis concentrated water and desalination system, including the first-stage reverse osmosis film being sequentially connected；Oxidation reactor；Vent ozone destructor；Soften reactor；Coagulation reactor；Efficient settler；Neutralization reactor；More medium filter；Ultrafiltration apparatus；Two-pass reverse osmosis film；Vaporising device.According to organic wastewater reverse osmosis concentrated water of the present utility model oxidation and desalination system, processing cost is reduced while greatly improving organic wastewater and recycling.
Description
Technical field
The utility model belongs to Sewage treatment and utilizes processing technology field, is related to a kind of organic wastewater reverse osmosis concentrated water oxidation
And desalination system.
Background technology
China's water resources ownership per capita is about 2000 cubic metres, according to international standard, belongs to moderate water shortage level.Separately
Outside, because the timely path difference in the area of China's distribution of water resources is different in nature, it there are about 2/3 in national 600 cities and belong to " serious water shortage "
" water shortage " city.Wherein, 16 provinces and regions are in moderate water shortage level, and 6 provinces and regions are in extreme dehydration level.However, by people
Environmental consciousness and water processing establishment restriction, the waste water of a large amount of unprocessed or below standard processing enters rivers and lakes, to water
Environment structure grave danger.Shortage of water resources has turned into water pollution to be restricted China's economic development, influences social harmony stabilization
Key factor.Reclaimed water reuse is one of important channel for solving China's shortage of water resources, as recycled water water and water quality will
The raising asked, application of " ultrafiltration+counter-infiltration " bi-membrane method in waste water recycling processing are also increasingly popularized." ultrafiltration+counter-infiltration "
Double membrane process can obtain preferable effluent quality, but the system constrains its engineer applied there is also some problems.It is " super
Main problem existing for the double membrane process of filter+counter-infiltration " is that the producing water ratio of reverse osmosis membrane technology is general less than 75%, there are about 30%
Concentrated water produce.Concentrate of the RO concentrated waters as waste water, there is high saliferous, high rigidity, persistent organic pollutants concentration height etc.
Feature, there is larger harmfulness to human health and ecological environment.Solving concentrated water reprocessing and emission problem turns into RO techniques
It must be faced and problem in the urgent need to address for waste water advanced treatment recovery.
A kind of processing methods of reverse osmosis concentrated water of Chinese utility model patent CN201610719214.3 are by counter-infiltration
Precipitating reagent is added in concentrated water and oxidant is filtered obtains coagulation water, then coagulation water is entered by two-pass reverse osmosis
Row desalting processing, two-pass reverse osmosis production water carry out reuse, discharged after two-pass reverse osmosis concentrated water is oxidation-treated.The reverse osmosis concentrated water
Processing method can obtain certain NF concentrated water reuse rate, but its oxidant added introduces new ion into reverse osmosis concentrated water again,
Add the operating load of two-pass reverse osmosis；The oxidizing effect that it is added is limited；After two-pass reverse osmosis concentrated water is oxidized
Discharge, the TDS in waste water is not reduced, has bigger harmfulness to ecological environment.
A kind of electric dialyzators of Chinese utility model patent CN201310717316.8 and near-zero release industrial effluent reusing work
The PROCESS FOR TREATMENT that skill further combines reverse osmosis concentrated water using ultrafiltration and counter-infiltration, recovery section water, caused concentrated water are adopted
Depth concentration is carried out with electrodialysis, fresh water reuse, concentrated water are evaporated crystallization caused by concentration process.But at the reverse osmosis concentrated water
Reason method is using electrochemistry flocculation, electrocatalytic oxidation reduction, electric floating, High-rate sedimentation and multi-medium filtering technique to reverse osmosis concentrated
Concentrated water desalting processing is carried out into ultrafiltration and reverse osmosis unit after water pretreatment, the pretreating process softens without reverse osmosis concentrated water
Handling process and in reverse osmosis concentrated water organic matter removal effect it is limited so that ultrafiltration, counter-infiltration, electrodialytic membranes easily block,
Reduce the service life of film and be not suitable for the reprocessing of high content of organics reverse osmosis concentrated water.
Utility model content
The utility model is intended to one of technical problem at least solving in correlation technique to a certain extent.
Therefore, a purpose of the present utility model is to propose a kind of organic wastewater reverse osmosis concentrated water oxidation and desalination system
System.
According to a kind of organic wastewater reverse osmosis concentrated water oxidation of the present utility model and desalination system, including：
First-stage reverse osmosis film, the first-stage reverse osmosis film have one-level water inlet, primary concentration water delivery port and one-level net
Water delivery port；
There is oxidation water inlet, oxidation delivery port, ozone inlet and tail gas to go out for oxidation reactor, the oxidation reactor
Mouthful, the oxidation water inlet is connected with the primary concentration water delivery port；
Vent ozone destructor, the vent ozone destructor are connected with the offgas outlet；
Soften reactor, it is described softening reactor have softening water inlet and softening delivery port, it is described softening water inlet with
The oxidation delivery port is connected；
Coagulation reactor, the coagulation reactor have a coagulation water inlet and coagulation delivery port, the coagulation water inlet with
The softening delivery port is connected；
Efficient settler, the efficient settler have precipitation water inlet and precipitation delivery port, it is described precipitation water inlet with
The coagulation delivery port is connected；
Neutralization reactor, the neutralization reactor have neutralize water inlet and neutralize delivery port, it is described neutralization water inlet with
The precipitation delivery port is connected；
More medium filter, the more medium filter have filtered water inlet mouth and filtering delivery port, the filtered water inlet
Mouth is connected with the neutralization delivery port；
Ultrafiltration apparatus, the ultrafiltration apparatus have a ultrafiltration water inlet and ultra-filtration water mouth, the ultrafiltration water inlet with it is described
Filtering delivery port is connected；
Two-pass reverse osmosis film, the two-pass reverse osmosis film have two level water inlet, secondary concentration water delivery port and two level net
Water delivery port, the two level water inlet are connected with the ultra-filtration water mouth；
Vaporising device, the vaporising device are connected with the secondary concentration water delivery port.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Accompanying drawing 1 is according to a kind of oxidation of organic wastewater reverse osmosis concentrated water of the utility model one embodiment and desalination system
Schematic diagram.
Embodiment
As shown in figure 1, according to a kind of organic wastewater reverse osmosis concentrated water oxidation of the present utility model and desalination system, including：
First-stage reverse osmosis film 101, oxidation reactor 102, vent ozone destructor 103, softening reactor 104, coagulation reactor 105, efficiently
Settling vessel 106, neutralization reactor 107, more medium filter 108, ultrafiltration apparatus 109, two-pass reverse osmosis film 110, vaporising device
111。
Specifically, first-stage reverse osmosis film 101 has one-level water inlet 1011, primary concentration water delivery port 1012 and one-level
Water purification delivery port 1013.
There is oxidation reactor 102 oxidation water inlet 1021, oxidation delivery port 1022, ozone inlet 1024 and tail gas to go out
Mouth 1023, oxidation water inlet 1021 are connected with primary concentration water delivery port 1012.
Vent ozone destructor 103 is connected with offgas outlet 1023.
Softening reactor 104 has softening water inlet 1041 and softening delivery port 1042, softening water inlet 1041 and oxidation
Delivery port 1022 is connected.
Coagulation reactor 105 has coagulation water inlet 1051 and coagulation delivery port 1052, coagulation water inlet 1051 and softening
Delivery port 1042 is connected.
Efficient settler 106 has precipitation water inlet 1061 and precipitation delivery port 1062, precipitates water inlet 1061 and coagulation
Delivery port 1052 is connected.
Neutralization reactor 107, which has, to be neutralized water inlet 1071 and neutralizes delivery port 1072, neutralizes water inlet 1071 and precipitation
Delivery port 1062 is connected.
More medium filter 108 has filtered water inlet mouth 1082 and filtering delivery port 1082, and filtered water inlet mouth 1081 is with
It is connected with delivery port 1072.
Ultrafiltration apparatus 109 has ultrafiltration water inlet 1091 and ultra-filtration water mouth 1092, and ultrafiltration water inlet 1091 is with filtering out
The mouth of a river 1082 is connected.
Two-pass reverse osmosis film 110 has two level water inlet 1101, secondary concentration water delivery port 1102 and two level water purification water outlet
Mouth 1103, two level water inlet 1101 is connected with ultra-filtration water mouth 1092.
Vaporising device 111 is connected with secondary concentration water delivery port 1102.
It is substantially as follows according to organic wastewater reverse osmosis concentrated water of the present utility model oxidation and desalination process, response path：
Concentrated water of the organic wastewater after first-stage reverse osmosis is handled enters oxidation reactor, declines in oxidant strong oxidation
The organic matter in organic wastewater reverse osmosis concentrated water is solved, ozonisation tail gas decomposes it into vent ozone destructor caused by oxidation reactor
In ozone after discharge.Oxidation reactor water outlet enters softening reactor, and organic wastewater counter-infiltration is removed by adding softening agent
Hardness in concentrated water, softening reactor water outlet enter coagulation reactor, cause flco to become big under coagulant, flocculation aid effect,
Coagulation reactor water outlet realizes separation of solid and liquid into efficient settler.Efficient settler supernatant enters neutralization reactor, in acid
In the presence of adjust wastewater pH be 7 or so, neutralization reactor water outlet enter more medium filter remove waste water in suspension,
Iron, manganese etc., more medium filter water outlet enter ultrafiltration, second level reverse osmosis apparatus, realize the reverse osmosis concentrated water desalination of organic wastewater again
Processing, two-pass reverse osmosis production water carry out reuse, and two-pass reverse osmosis concentrated water enters vaporising device, evaporative crystallization, realizes organic wastewater
Reverse osmosis concentrated water zero discharge.
Filling catalysis oxidation filler in the oxidation reactor, oxidant used in the oxidation reactor are ozone, ozone
The organic matter in the hydroxyl radical free radical degradation of organic waste water reverse osmosis concentrated water of strong oxidizing property is produced under catalysis oxidation filler effect.
Waste water inversely contacts with ozone in oxidation reactor, and gas-liquid-solid three-phase fully contacts, and Ozone Gas Mass Transfer Efficiency is high.
The catalysis oxidation filler of filling is the activated carbon catalysis for being loaded with iron, copper, manganese, nickel, cerium in the oxidation reactor
Oxide filler, the activated carbon catalysis oxide filler load iron, copper, manganese, nickel, cerium using activated carbon as carrier, by soaking, calcining
On activated carbon.
Activated carbon catalysis oxide filler manufacturing process：Configure iron, copper, manganese, nickel, cerium acetate or the nitrate of certain concentration
Solution, the activated carbon of extra fine quality is added, after activated carbon dipping certain time, taking-up is cleaned with distilled water.At a certain temperature
Certain time is calcined, obtains required carried-type active Pd/carbon catalyst.
Described iron, copper, manganese, nickel, cerium acetate or nitrate solution concentration is 0.05mol/L-0.4mol/L, preferably
0.2-0.3mol/L；The activated carbon dip time is 1-4h, preferably 2-3h；The calcining heat is 400-700 DEG C, preferably
500-600℃；The calcination time is 3-6h, preferably 4h.The iron, copper, manganese, nickel, cerium and quality of activated carbon are than respectively 1-
3、1-3、2-4、2-5、0.05-1.5。
Ozone in described vent ozone destructor in filling activated carbon catalysis oxide filler catalytic decomposition ozonisation tail gas.
The softening agent that described softening reactor uses is NaOH, Ca (OH)2、Na2CO3、Na2SO4In one or more.
Described softening reactor reaction pH is 9-12, preferably 10-11.
The coagulant that described coagulation reactor uses is inorganic coagulant, preferably PAC, PFS, and the flocculation aid used is to have
Machine flocculation aid, preferred anionic PAM.
The acid that described neutralization reactor uses can be acetic acid, hydrochloric acid, sulfuric acid, and neutralization reactor adjusts organic wastewater reverse osmosis
Saturating concentrated water pH is 6-8, preferably 7.
Filling iron removaling, demanganization filtrate in described more medium filter, for removing in organic wastewater reverse osmosis concentrated water
Iron, manganese.
The ultrafiltration membrane material that described ultrafiltration apparatus uses is PTFE, and milipore filter sheathing material is ABS, and fixed sealing material is ring
Oxygen tree fat.
The reverse osmosis membrane that described reverse osmosis unit uses is desalinization level reverse osmosis membrane.
Described vaporising device can be multiple-effect evaporation, mechanical steam recompression device.
Beneficial effect
(1) oxidation of this organic wastewater reverse osmosis concentrated water and desalination process are directed to different groups in organic wastewater reverse osmosis concentrated water
Set up separately and put rational, targetedly handling process so that this method high treating effect, use range are wide.
(2) oxidation of this organic wastewater reverse osmosis concentrated water and desalination process have using the removal of catalytic ozonation technique is therein
Machine thing, does not introduce ion, suspension, does not increase two-pass reverse osmosis operating load, and thorough to the organic matter degradation in waste water, smelly
Oxidation air tail gas sets special vent ozone destructor to destroy ozone, does not cause secondary pollution.
(3) this organic wastewater reverse osmosis concentrated water oxidation and desalination process to the organic matter in organic wastewater reverse osmosis concentrated water,
Hardness, iron, manganese etc. are removed respectively, are reduced the risk of ultrafiltration and second level reverse osmosis apparatus fouling membrane, are greatly prolonged making for film
Use the life-span.
(4) oxidation of this organic wastewater reverse osmosis concentrated water and desalination process can realize that effect is excellent to organic wastewater reverse osmosis concentrated water
The different target for reclaiming again, realizing organic wastewater near-zero release.
(5) engineering that the oxidation of this organic wastewater reverse osmosis concentrated water and desalination process solve bi-membrane method processing organic wastewater lacks
Fall into, can greatly promote application of the bi-membrane method in the field that Sewage treatment utilizes.
(6) this organic wastewater reverse osmosis concentrated water oxidation and desalination process to organic wastewater reverse osmosis concentrated water through secondary counter-infiltration
Enter vaporising device evaporative crystallization after concentration, processing cost is reduced while greatly improving organic wastewater and recycling.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in the scope of the utility model
It is interior above-described embodiment to be changed, changed, is replaced and modification, each fall within the scope of protection of the utility model.
Claims (1)
1. a kind of organic wastewater reverse osmosis concentrated water oxidation and desalination system, it is characterised in that including：
There is one-level water inlet, primary concentration water delivery port and one-level water purification to go out for first-stage reverse osmosis film, the first-stage reverse osmosis film
The mouth of a river；
Oxidation reactor, the oxidation reactor have oxidation water inlet, oxidation delivery port, ozone inlet and offgas outlet,
The oxidation water inlet is connected with the primary concentration water delivery port；
Vent ozone destructor, the vent ozone destructor are connected with the offgas outlet；
Soften reactor, it is described softening reactor have softening water inlet and softening delivery port, it is described softening water inlet with it is described
Oxidation delivery port is connected；
Coagulation reactor, the coagulation reactor have a coagulation water inlet and coagulation delivery port, the coagulation water inlet with it is described
Softening delivery port is connected；
Efficient settler, the efficient settler have precipitation water inlet and precipitation delivery port, it is described precipitation water inlet with it is described
Coagulation delivery port is connected；
Neutralization reactor, the neutralization reactor have neutralize water inlet and neutralize delivery port, it is described neutralization water inlet with it is described
Precipitation delivery port is connected；
More medium filter, the more medium filter have filtered water inlet mouth and filtering delivery port, the filtered water inlet mouth with
The neutralization delivery port is connected；
Ultrafiltration apparatus, the ultrafiltration apparatus have ultrafiltration water inlet and ultra-filtration water mouth, the ultrafiltration water inlet and the filtering
Delivery port is connected；
There is two level water inlet, secondary concentration water delivery port and two level water purification to go out for two-pass reverse osmosis film, the two-pass reverse osmosis film
The mouth of a river, the two level water inlet are connected with the ultra-filtration water mouth；
Vaporising device, the vaporising device are connected with the secondary concentration water delivery port.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720090332.2U CN206624737U (en) | 2017-01-23 | 2017-01-23 | A kind of organic wastewater reverse osmosis concentrated water oxidation and desalination system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720090332.2U CN206624737U (en) | 2017-01-23 | 2017-01-23 | A kind of organic wastewater reverse osmosis concentrated water oxidation and desalination system |
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| CN206624737U true CN206624737U (en) | 2017-11-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110272158A (en) * | 2019-06-12 | 2019-09-24 | 北京洁绿环境科技股份有限公司 | A kind of high salt, high organic matter and high rigidity wastewater treatment method |
| CN111320316A (en) * | 2020-03-13 | 2020-06-23 | 北京洁绿环境科技股份有限公司 | Landfill leachate membrane concentrated solution treatment method |
-
2017
- 2017-01-23 CN CN201720090332.2U patent/CN206624737U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110272158A (en) * | 2019-06-12 | 2019-09-24 | 北京洁绿环境科技股份有限公司 | A kind of high salt, high organic matter and high rigidity wastewater treatment method |
| CN111320316A (en) * | 2020-03-13 | 2020-06-23 | 北京洁绿环境科技股份有限公司 | Landfill leachate membrane concentrated solution treatment method |
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