CN206635096U - The device of ferrous ion activation persulfate pretreatment lifting milipore filter water purification efficiency - Google Patents
The device of ferrous ion activation persulfate pretreatment lifting milipore filter water purification efficiency Download PDFInfo
- Publication number
- CN206635096U CN206635096U CN201720400856.7U CN201720400856U CN206635096U CN 206635096 U CN206635096 U CN 206635096U CN 201720400856 U CN201720400856 U CN 201720400856U CN 206635096 U CN206635096 U CN 206635096U
- Authority
- CN
- China
- Prior art keywords
- ferrous ion
- milipore filter
- sedimentation basin
- persulfate
- purification efficiency
- 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
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The device of ferrous ion activation persulfate pretreatment lifting milipore filter water purification efficiency, it is related to the device of ferrous ion activation persulfate pretreatment lifting milipore filter water purification efficiency.The utility model is the problem of fouling membrane present in milipore filter operation to be solved and micro-content organism removal effect is poor, and conventional preconditioning technique can not effectively alleviate Pollution of Ultrafiltration Membrane and strengthen pollutant removal.Device is made up of raw water pipeline, ferrous ion throwing device, persulfate throwing device, oxidized coagulated reaction tank, sedimentation basin and hyperfiltration membrane assembly.The utility model gives full play to the synergy between ferrous ion and persulfate, while effectively alleviating Pollution of Ultrafiltration Membrane, strengthens the removal of trace contaminant.
Description
Technical field
It the utility model is related to the device of ferrous ion activation persulfate pretreatment lifting milipore filter water purification efficiency.
Background technology
Milipore filter can effectively retain particulate matter, colloid, macromolecular organic pollution and microorganism in water body etc., thus
The focus of water treatment field research is increasingly becoming, and scale application has been obtained in Large Water Works.But in actual applications, with
Ultrafiltration still suffers from certain limitation for the Membrane Separation for Water Treatment of core, and the fouling membrane as present in During Process of Long-term Operation is asked
Topic, this is related to the stability of Large Water Works production run；In addition, milipore filter for incretion interferent present in water body,
The trace contaminant removal effect such as medicine and personal care articles, antibiotic is limited, and which also limits the further hair of hyperfiltration technique
Exhibition.
At present, in order to alleviate Pollution of Ultrafiltration Membrane, lifting film water purification efficiency, the method generally used is located in advance before film
Reason, main pretreatment mode includes coagulation, absorption and oxidation etc., but these conventional pretreatment modes can be deposited in practical application
In some problems.For example, Zhang et al. (Journal ofMembrane Science, 2015,493:683-689) study table
Bright, hydroxyl aluminium base chloride coagulation pretreatment can effectively alleviate the fouling membrane that algae source type organic matter triggers, but to Microcystin
Removal ability it is limited；Shao et al. (Journal ofMembrane Science, 2016,500:99-105) find to use powder
When last activated carbon (PAC) before film as pre-processing, under the synergy of PAC and humic acid, ultrafiltration membrane surface can be formed seriously
Combined pollution；Cheng et al. (Journal ofMembrane Science, 2016,505:15-25) find, ozone oxidation
Although pretreatment can alleviate milipore filter organic contamination to a certain extent, content of organics in water outlet is added.
Utility model content
The utility model is that fouling membrane present in milipore filter operation to be solved and micro-content organism removal effect are poor, often
The problem of rule preconditioning technique can not effectively alleviate Pollution of Ultrafiltration Membrane and strengthen pollutant removal, and ferrous ion is provided and activated
The device of sulfate pretreatment lifting milipore filter water purification efficiency.
The device of the utility model ferrous ion activation persulfate pretreatment lifting milipore filter water purification efficiency is by raw water tubes
Road, ferrous ion throwing device, persulfate throwing device, oxidized coagulated reaction tank, sedimentation basin and hyperfiltration membrane assembly composition；Institute
State and be disposed with ferrous ion throwing device and persulfate throwing device, the raw water tubes along water (flow) direction on raw water pipeline
The outlet on road is connected with the water inlet of oxidized coagulated reaction tank, delivery port and the sedimentation basin of the oxidized coagulated reaction tank
Water inlet is connected, and the delivery port of the sedimentation basin is connected with the water inlet of the hyperfiltration membrane assembly.
The application process of the device of ferrous ion activation persulfate pretreatment lifting milipore filter water purification efficiency, by following step
It is rapid to carry out：First, raw water is passed into raw water pipeline, it is molten that ferrous ion is added into raw water by ferrous ion throwing device
Liquid；Then persulfate solution is added into raw water by persulfate throwing device, controls persulfate and ferrous iron in raw water
The mol ratio of ion is 1:1, obtain the water body containing ferrous ion and persulfate；The ferrous ions soln is ferrous sulfate
Solution or solution of ferrous chloride；The dosage of the persulfate solution is 0.05mmol/L~0.2mmol/L；
2nd, the water body containing ferrous ion and persulfate is sent into oxidized coagulated reaction tank, hydraulic detention time is
10min~20min, the water body after oxidized coagulation are sent into sedimentation basin and precipitated, and ultrafiltration is sent into the water outlet after precipitation process
Handled in membrane module.
The raw water is contaminated source water and seawater；Wherein contaminated source water and extra large water pollutant are natural
Humus, protein-based, polysaccharide, incretion interferent, new micro- pollution, heavy metal or one kind or wherein several in salinity
The mixture of kind.
Water body containing ferrous ion and persulfate is sent into oxidized coagulated reaction tank 3, persulfate by ferrous iron from
Son is oxidized to ferric ion, and ferric iron can be used as coagulant, passes through particulate matter, colloid and macromolecular in flocculation and water body
The reactions such as organic matter form flco；Meanwhile the strong oxygen such as potentiometric titrations and hydroxyl radical free radical can be also generated in the course of reaction
Agent, the oxidations of these free radicals on the one hand can enhanced coagulation effect, increase flco particle diameter so as to improve settling property,
On the other hand, free-radical oxidation reaction can remove the bad trace contaminant of coagulation removal effect, micro organic so as to enhance
The removal effect of thing.
Water outlet after precipitation process, which is sent into hyperfiltration membrane assembly 5, to be handled, and passes through aperture sieving actoion, milipore filter energy
Particulate matter, colloid, larger molecular organicses and microorganism in enough further retention water bodys etc..It is ferrous by oxidation/coagulation
The pretreatment of ion activation persulfate can significantly remove the larger molecular organicses for causing Pollution of Ultrafiltration Membrane, so as to reduce film surface
Pollutional load, fouling membrane phenomenon also obtained effective alleviation.
Principle of the present utility model is：
(1) ferrous ion can activate peroxy-monosulfate or peroxydisulfate, and reaction generates ferric ion (Fe simultaneously3+)
With potentiometric titrations (SO4 ·-), SO4 ·-Can be converted into water body hydroxyl radical free radical (·OH), specific reaction equation is as follows：
Fe2++HSO5-→Fe3++SO4 ·-+OH-；
Fe2++S2O8 2-→Fe3++SO4 ·-+SO4 2-；
SO4 ·-+OH-→·OH+SO4 2-；
(2)Fe3+It can be used as coagulant, it is anti-by particulate matter, colloid and larger molecular organicses in flocculation and water body etc.
Flco, SO should be formed4 ·-With·OH oxidation can enhanced coagulation effect, increase flco particle diameter and improve settling property, from
And the larger molecular organicses for causing Pollution of Ultrafiltration Membrane are preferably removed, alleviate fouling membrane.
(3)SO4 ·-With·OH has strong oxidizing property, micro quantity organic pollutant present in water body can be oxidized into middle production
Thing or Partial digestion, so as to reduce its bio-toxicity.
The beneficial effects of the utility model are：
1st, the equipment needed for the utility model is simple, easy to operate, easy, and management service is convenient.
2nd, the medicament added in the utility model preprocessing process is nontoxic, is environmentally friendly material, will not be to ring
Border damages.
3rd, the utility model makes full use of the synergy between ferrous ion and persulfate, ferrous iron activation persulfate
Produce SO4 ·-With·OH, persulfate oxidation ferrous ion generation Fe3+, oxidation/coagulation multiple action is played, is alleviating milipore filter
While pollution, strengthen the removal of trace contaminant.
4th, the utility model overcomes the defects of preprocessing function before conventional film is single, significantly improves the net of milipore filter
Water efficiency.
5th, the utility model can suitably be adjusted according to the situation such as raw water quality and processing water to technique, carry out film
Preceding pretreatment or in-situ oxidation/coagulating treatment, it is flexible and efficient.
6th, SO in the utility model reaction system4 ·-With·OH coexists,·OH oxidisability have it is non-selective, and in water body
Natural organic matter there are higher reaction rate (k=1.4 × 104LmgC-1s-1)；And SO4 ·-Oxidisability have selectivity,
With relatively low (k=6.8 × 10 of reaction rate of natural organic matter in water body3LmgC-1s-1).Therefore, in the utility model
SO4 ·-Can with part micro-content organism in selective oxidation water body, and·OH aoxidizes remainder to SO4 ·-Insensitive pollution
Thing, in SO4 ·-With·Under OH collective effect, micro-content organism can be controlled better in water body.
Brief description of the drawings
Fig. 1 is the structural representation for the device that ferrous ion activates persulfate pretreatment lifting milipore filter water purification efficiency.
Embodiment
Technical solutions of the utility model are not limited to act embodiment set forth below, in addition to each embodiment
Between any combination.
Embodiment one：Illustrate present embodiment with reference to Fig. 1, it is pre- that present embodiment ferrous ion activates persulfate
Processing lifting milipore filter water purification efficiency device by raw water pipeline 6, ferrous ion throwing device 1, persulfate throwing device 2,
Oxidized coagulated reaction tank 3, sedimentation basin 4 and hyperfiltration membrane assembly 5 form；It is disposed with the raw water pipeline 6 along water (flow) direction
Ferrous ion throwing device 1 and persulfate throwing device 2, the outlet of the raw water pipeline 6 and entering for oxidized coagulated reaction tank 3
The mouth of a river is connected, and the delivery port of the oxidized coagulated reaction tank 3 is connected with the water inlet of the sedimentation basin 4, and the sedimentation basin 4 goes out
The mouth of a river is connected with the water inlet of the hyperfiltration membrane assembly 5.
Embodiment two：Present embodiment is unlike embodiment one：The water inlet of the sedimentation basin 4
The bottom of sedimentation basin 4 is arranged on, the delivery port of the sedimentation basin 4 is arranged on the top of sedimentation basin 4.Other and embodiment
One is identical.
Embodiment three：Present embodiment is unlike embodiment one or two：The sedimentation basin 4 is flat
Flow settling pond, tube settler, inclined-plate clarifying basin or potassium permanganate composites.Other are identical with embodiment one or two.
Embodiment four：Unlike one of present embodiment and embodiment one to three：The oxidation is mixed
Solidifying reaction tank 3 and sedimentation basin 4 can be replaced by pipe-line mixer, i.e., the outlet of described raw water pipeline 6 and entering for pipe-line mixer
The mouth of a river is connected, and the delivery port of the pipe-line mixer is connected with the water inlet of the hyperfiltration membrane assembly 5.Other and specific embodiment party
One of formula one to three is identical.
Pipe-line mixer described in present embodiment is ultrasonic mixer.
Ferrous ion is activated persulfate in-situ oxidation/coagulation and pre-processed as milipore filter by present embodiment.
The utility model beneficial effect is verified using following examples：
Embodiment：Illustrate the present embodiment with reference to Fig. 1, the present embodiment enters water-filling using the device described in embodiment one
Processing, is carried out according to the following steps：
Raw water simulates water body using humic acid, bovine serum albumin and sodium alginate, and model pollutant initial concentration is
10mg/L；Trace contaminant selects herbicide atrazine common in water body, and initial concentration is 1 μm of ol/L.By ferrous sulfate
With permonosulphuric acid potassium solution with 1:1 mol ratio is successively added in raw water, and dosage is 0.05mmol/L.By 20min oxygen
After change/coagulating, water body is directly entered flat plate ultrafiltration film device and carries out constant pressure filtration, and constant transmembrane pressure is 50kPa.Adopt
Milipore filter is flat ceramic milipore filter, and material is zirconium oxide and titanium oxide, molecular cut off 50kDa.
Result of the test：The ferrous ion activation persulfate pretreatment of the present invention significantly alleviates humic acid, cow's serum egg
Fouling membrane caused by white and sodium alginate, membrane flux is improved, run end and risen to respectively by 0.47,0.13 and 0.20 than flux
0.93rd, 0.28 and 0.63；93%, 37.9% and 73.7% has been respectively reached to the clearance of dissolved organic matter (DOC)；To Ah
Te Lajin clearance has reached 98.2%.
Claims (3)
1. the device of ferrous ion activation persulfate pretreatment lifting milipore filter water purification efficiency, it is characterised in that ferrous ion is lived
Change the device of persulfate pretreatment lifting milipore filter water purification efficiency by raw water pipeline (6), ferrous ion throwing device (1), mistake
Sulfate throwing device (2), oxidized coagulated reaction tank (3), sedimentation basin (4) and hyperfiltration membrane assembly (5) composition；The raw water pipeline
(6) ferrous ion throwing device (1) and persulfate throwing device (2), the raw water tubes are disposed with along water (flow) direction on
The outlet on road (6) is connected with the water inlet of oxidized coagulated reaction tank (3), the delivery port of the oxidized coagulated reaction tank (3) and institute
The water inlet for stating sedimentation basin (4) is connected, and the delivery port of the sedimentation basin (4) is connected with the water inlet of the hyperfiltration membrane assembly (5).
2. the device of ferrous ion activation persulfate pretreatment lifting milipore filter water purification efficiency according to claim 1,
It is characterized in that the water inlet of the sedimentation basin (4) is arranged on the bottom of sedimentation basin (4), the delivery port of the sedimentation basin (4) is set
Put on the top of sedimentation basin (4).
3. the device of ferrous ion activation persulfate pretreatment lifting milipore filter water purification efficiency according to claim 1,
It is characterized in that the sedimentation basin (4) is rectangular sedimentation tank, tube settler, inclined-plate clarifying basin or potassium permanganate composites.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720400856.7U CN206635096U (en) | 2017-04-17 | 2017-04-17 | The device of ferrous ion activation persulfate pretreatment lifting milipore filter water purification efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720400856.7U CN206635096U (en) | 2017-04-17 | 2017-04-17 | The device of ferrous ion activation persulfate pretreatment lifting milipore filter water purification efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206635096U true CN206635096U (en) | 2017-11-14 |
Family
ID=60246666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720400856.7U Active CN206635096U (en) | 2017-04-17 | 2017-04-17 | The device of ferrous ion activation persulfate pretreatment lifting milipore filter water purification efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206635096U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106865717A (en) * | 2017-04-17 | 2017-06-20 | 哈尔滨工业大学水资源国家工程研究中心有限公司 | The device and application process of ferrous ion activation persulfate pretreatment lifting milipore filter water purification efficiency |
| CN109987693A (en) * | 2018-12-03 | 2019-07-09 | 哈尔滨工业大学（深圳） | The method that dithionite activate persistent organic pollutants in persulfate processing waste water |
| CN110921930A (en) * | 2019-11-13 | 2020-03-27 | 河海大学 | Water treatment system for controlling ultrafiltration membrane pollution by catalyzing hydrogen persulfate through ultraviolet-coupled ferrous ions and application of water treatment system |
-
2017
- 2017-04-17 CN CN201720400856.7U patent/CN206635096U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106865717A (en) * | 2017-04-17 | 2017-06-20 | 哈尔滨工业大学水资源国家工程研究中心有限公司 | The device and application process of ferrous ion activation persulfate pretreatment lifting milipore filter water purification efficiency |
| CN109987693A (en) * | 2018-12-03 | 2019-07-09 | 哈尔滨工业大学（深圳） | The method that dithionite activate persistent organic pollutants in persulfate processing waste water |
| CN110921930A (en) * | 2019-11-13 | 2020-03-27 | 河海大学 | Water treatment system for controlling ultrafiltration membrane pollution by catalyzing hydrogen persulfate through ultraviolet-coupled ferrous ions and application of water treatment system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106865717A (en) | The device and application process of ferrous ion activation persulfate pretreatment lifting milipore filter water purification efficiency | |
| WO2019196053A1 (en) | High-efficiency energy-saving integrated water treatment device | |
| CN206635096U (en) | The device of ferrous ion activation persulfate pretreatment lifting milipore filter water purification efficiency | |
| CN102774993B (en) | Water treatment device and method aiming at excessive ferrum, manganese, fluorine and arsenic in underground water | |
| CN203112625U (en) | Emergency treatment system for sudden thallium pollution of raw water | |
| CN101333026B (en) | Method and apparatus for removing overproof iron and manganese in underground seawater | |
| CN104193043B (en) | A kind of high concentration alkaline waste water containing arsenic dearsenification treatment process and method | |
| Mao et al. | Impact of various coagulation technologies on membrane fouling in coagulation/ultrafiltration process | |
| CN106315988A (en) | Multistage activated carbon adsorption and ultrafiltration membrane combined drinking water treatment device and drinking water treatment method | |
| CN103102026A (en) | Sudden raw water thallium pollution emergency treatment system and method | |
| CN106565034A (en) | Micro-flocculation combined ultrafiltration processing unit of micro-polluted source water | |
| CN107500442A (en) | Integrated treatment method and device for micro-polluted source water | |
| CN105036463A (en) | Polyvinyl chloride centrifugal mother liquor wastewater pretreatment method | |
| CN105502746B (en) | Sofening treatment system and method is combined in decarburization-nanofiltration to power plant circulating cooling water at a slow speed | |
| CN101708927B (en) | Method for deeply processing waste water from paper making | |
| CN203498191U (en) | Ultrafiltration combination device for removing fluoride ions in groundwater | |
| CN111470731B (en) | Method and system for treating leachate of refuse landfill | |
| CN106554133A (en) | A kind of sewage disposal automation control system | |
| CN109879391A (en) | A kind of alcohol waste water treatment process | |
| CN202717650U (en) | Water treatment device aiming at standard exceeding of iron and manganese and fluorine and arsenic in groundwater | |
| CN107721086A (en) | A kind of gallic acid wastewater treatment equipment and its technique | |
| CN110921807B (en) | Transition metal nano oxidase, preparation method, water treatment device and application | |
| CN105948204A (en) | Treatment agent of wastewater rich in arsenic ions and heavy metal ions and preparation method | |
| CN207462816U (en) | A kind of big flux emergency filter device | |
| CN102020379B (en) | Incoming water pretreatment method of nano-filter membrane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |