CN102553451B - Cleaning agent and application thereof - Google Patents
Cleaning agent and application thereof Download PDFInfo
- Publication number
- CN102553451B CN102553451B CN201010612719.2A CN201010612719A CN102553451B CN 102553451 B CN102553451 B CN 102553451B CN 201010612719 A CN201010612719 A CN 201010612719A CN 102553451 B CN102553451 B CN 102553451B
- Authority
- CN
- China
- Prior art keywords
- cleaning agent
- water
- sodium
- membrane
- percent
- 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 invention discloses a cleaning agent, which comprises the following components in percentage by weight: 1.5-2.5 percent of sodium tripolyphosphate, 0.5-1.0 percent of sodium type EDTA (Ethylene Diamine Tetraacetic Acid), 0.2-0.25 percent of sodium dodecyl benzene sulfonate and water, wherein the pH of the cleaning agent is 10.5-11.5; and the percentage is weight percentage. The formula of the cleaning agent disclosed by the invention is screened specifically specific to a water recycling ultrafiltration membrane; and serving as a cleaning agent of a recycled water recycling ultrafiltration membrane, the cleaning agent has a good descaling effect, so that the application range of the recycled water recycling ultrafiltration membrane can be enlarged, the service life of the membrane is prolonged, and the water draining efficiency of a membrane system is increased.
Description
Technical field
The present invention is specifically related to a kind of cleaning agent and application thereof.
Background technology
First, middle water reuse can effectively solve shortage of water resources problem, to promoting the Significance of Sustainable Development of agricultural production and national economy great, can alleviate water resource not enough greatly.
Secondly, middle water reuse has advantage economically than developing other water resource.The water producing cost of recycle-water is low, and this is because saved energy consumption cost and the capital cost of water resources taxes, remote water delivery.
The 3rd, after municipal sewage treatment, be back to agricultural production and greening, will bring considerable environmental benefit.
The 4th, the membrane separation technique of " biochemistry+precipitation+ultrafiltration technology " has been carried out efficient organic with biotechnology and has been combined, and gains great popularity with advantages such as its effluent quality are good, floor space is little, excess sludge is few, operational management is convenient.At present, membrane separation technique has obtained popularization and extensive use in middle water Treatment for Reuse field.
But in the use procedure of middle water, water quality often presents ammonia nitrogen, oil content, feature that suspension content is high, has caused larger pollution for milipore filter, has affected water outlet efficiency and quality.For this situation, just need the scavenger specially of various milipore filters, permeable membrane, and can be for the feature of various milipore filters, permeable membrane, quickly and efficiently except organic matter and solid deposits such as the various greases on striping surface, biological substance, colloidal solids.
Summary of the invention
Technical problem to be solved by this invention is in order to overcome in prior art, has the sedimental problems such as grease, biological clay, colloidal solid, and a kind of cleaning agent and application thereof are provided on middle water reuse milipore filter.The formula of cleaning agent of the present invention screens especially for middle water reuse milipore filter, it is as the cleaning agent of middle water reuse milipore filter, descale effect is better, thereby the scope of application of water reuse milipore filter in can expanding improves the service life of film and the water outlet efficiency of film system.
Therefore, the present invention relates to a kind of cleaning agent, it comprises following component: 1.5%～2.5% sodium phosphate trimer, 0.5%～1.0% sodium type EDTA, 0.2%～0.25% neopelex, and water; The pH of described cleaning agent is 10.5～11.5; Described percentage is mass percent.
Wherein, described sodium phosphate trimer is composition conventional in cleaning agent, can be used as pH adjusting agent, and its content is preferably mass percent 2%.
Described sodium type EDTA, sodium type ethylenediamine tetra-acetic acid, as high-molecular chelating agent, can be used to the solid suspension in disperse water, is preferably EDETATE DISODIUM.Its content is preferably mass percent 0.8%.
Described neopelex can be used as surfactant, is used for removing the oily matter on milipore filter, adds after this material in the present invention, effectively raises the antiscale usefulness of cleaning agent.Its content is preferably mass percent 0.25%.
Described water can be the conventional water in this area, is preferably deionized water, and its content is preferably 100% for supplying mass percent, and better is 96.95%.
The pH value of cleaning agent of the present invention can be by adding the pH adjusting agent of this area routine, and as NaOH etc. regulates, the pH value of described cleaning agent is preferably 10.9～11.1.
In cleaning agent of the present invention, also can comprise the additive of this area routine, as isopropyl alcohol.
Cleaning agent of the present invention can be according to the conventional method preparation of this area, as each component is simply mixed to the liquid of clarification and get final product.
The invention further relates to the application of above-mentioned cleaning agent as middle water reuse hyperfiltration membrane cleaning agent.
In the present invention, above-mentioned each preferred feature can be combined under the prerequisite without prejudice to this area general knowledge, obtains each preferred embodiments of the present invention.
Except specified otherwise, the raw material the present invention relates to and reagent is commercially available obtaining all.
Positive progressive effect of the present invention is:
1, the formula of cleaning agent of the present invention carries out special optimum organization for middle water reuse milipore filter and obtains, and features high scale-removing effect, can extend the service life of ultrafiltration membrane system greatly, saves cost of equipment and operating cost.
2, cleaning agent stable performance of the present invention, nontoxic, with low cost.
The specific embodiment
Further illustrate the present invention with embodiment below, but the present invention is not limited.
Embodiment 1
Preparation cleaning agent 10000g
Formula 1: sodium phosphate trimer 200g, EDETATE DISODIUM 80g, neopelex 25g, deionized water 9695g, pH value determination is between 10.5～11.5, if can suitably do not added caustic soda to regulate in this scope.
After the polyphosphate sodium of above-mentioned value, EDETATE DISODIUM, neopelex and deionized water mix and blend are dissolved, be stirred to evenly.
Embodiment 2
Preparation cleaning agent 10000g
Formula 2: sodium phosphate trimer 200g, EDETATE DISODIUM 80g, neopelex 20g, deionized water 9700g, pH value determination is between 10.5～11.5, if can suitably do not added caustic soda to regulate in this scope.
After the polyphosphate sodium of above-mentioned value, EDETATE DISODIUM, neopelex and deionized water mix and blend are dissolved, be stirred to evenly.
Embodiment 3
Preparation cleaning agent 10000g
Formula 2: sodium phosphate trimer 150g, EDETATE DISODIUM 50g, neopelex 20g, deionized water 9780g, pH value determination is between 10.9～11.1, if can suitably do not added caustic soda to regulate in this scope.
After the polyphosphate sodium of above-mentioned value, EDETATE DISODIUM, neopelex and deionized water mix and blend are dissolved, be stirred to evenly.
Embodiment 4
Preparation cleaning agent 10000g
Formula 2: sodium phosphate trimer 250g, EDETATE DISODIUM 100g, neopelex 20g, isopropyl alcohol 10g, deionized water 9620g, pH value determination is between 10.9～11.1, if can suitably do not added caustic soda to regulate in this scope.
After the polyphosphate sodium of above-mentioned value, EDETATE DISODIUM, neopelex and deionized water mix and blend are dissolved, be stirred to evenly.
Comparative example
Preparation cleaning agent 10000g
Formula 3: sodium phosphate trimer 200g, EDETATE DISODIUM 80g, deionized water 9720g.
After the polyphosphate sodium of above-mentioned value, EDETATE DISODIUM and deionized water mix and blend are dissolved, be stirred to evenly.
Formula 3 is conventional hyperfiltration membrane cleaning agent at present.
Effect embodiment
Carry out according to flat film test method.
Flat film experimental provision: RS50UF Minitype flat film
Experiment water quality: mud dnesity index (Silt Density Index) SDI=6
Time: system was normally moved after 30 days, add cleaning agent to detect effect
Flat membrane material: Kynoar
System volume: 100L
Pressure: 0.1MPa
Experimental technique:
The cleaning agent that uses respectively embodiment 1,2 and comparative example to make, possess 10% of the water yield (mass percent) according to the system of being cleaned and add cleaning agent, the mode that employing is association of activity and inertia is cleaned (circulation in 20 minutes is soaked and combined for 20 minutes), cleaning temperature maintains 35 ℃～40 ℃, after scavenging period generally cleans and finishes about 3～5 hours, rinses about 20 minutes with product water.Experimental result is in table 1.Wherein, formula 1,2 and 3 is respectively the formula that embodiment 1,2 and comparative example make.
Table 1
| Sequence number | Cleaning agent | Water flux before cleaning | Water flux after cleaning | Scavenging period |
| 1 | Formula 1 | 8L/m | 17L/m | 5h |
| 2 | Formula 2 | 8L/m | 16L/m | 5h |
| 3 | Formula 3 | 8L/m | 10L/m | 5h |
Claims (8)
1. a cleaning agent, is characterized in that comprising following component: 1.5%～2.5% sodium phosphate trimer, and 0.5%～1.0% sodium type EDTA, 0.2%～0.25% neopelex, and water, the pH of described cleaning agent is 10.5～11.5; Described percentage is mass percent; Described sodium type EDTA is EDETATE DISODIUM.
2. cleaning agent as claimed in claim 1, is characterized in that: the content of described sodium phosphate trimer is mass percent 2%.
3. cleaning agent as claimed in claim 1, is characterized in that: the content of described sodium type EDTA is mass percent 0.8%.
4. cleaning agent as claimed in claim 1, is characterized in that: the content of described neopelex is mass percent 0.25%.
5. cleaning agent as claimed in claim 1, is characterized in that: described water is deionized water.
6. the cleaning agent as described in claim 1 or 5, is characterized in that: the content of described water is 96.95%.
7. cleaning agent as claimed in claim 1, is characterized in that: the pH value of described cleaning agent is 10.9～11.1.
8. cleaning agent as claimed in claim 1 is as the application of middle water reuse hyperfiltration membrane cleaning agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010612719.2A CN102553451B (en) | 2010-12-24 | 2010-12-24 | Cleaning agent and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010612719.2A CN102553451B (en) | 2010-12-24 | 2010-12-24 | Cleaning agent and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102553451A CN102553451A (en) | 2012-07-11 |
| CN102553451B true CN102553451B (en) | 2014-05-14 |
Family
ID=46400855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010612719.2A Active CN102553451B (en) | 2010-12-24 | 2010-12-24 | Cleaning agent and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102553451B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103657427B (en) * | 2012-09-03 | 2016-03-16 | 湖州欧美新材料有限公司 | Hollow fiber ultrafiltration membrane cleaning agent and preparation thereof |
| CN105858848A (en) * | 2016-03-28 | 2016-08-17 | 黄忠卫 | Clarificant and preparation method thereof |
| CN107441944A (en) * | 2017-08-03 | 2017-12-08 | 山东天庆科技发展有限公司 | A kind of Treated sewage reusing counter-infiltration system scavenger specially and its production and use |
| CN110129137B (en) * | 2019-05-23 | 2021-04-23 | 南阳理工学院 | Chemical cleaning agent and preparation method thereof |
| CN113457457A (en) * | 2021-08-20 | 2021-10-01 | 曜尊饮料(上海)有限公司 | Method for cleaning ultrafiltration membrane used in production process of American ginseng beverage |
-
2010
- 2010-12-24 CN CN201010612719.2A patent/CN102553451B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102553451A (en) | 2012-07-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102553451B (en) | Cleaning agent and application thereof | |
| CN101157510B (en) | Process for treating waste water produced during biofermentation method for producing penicillin and intermediate 6-APA process | |
| CN101830595B (en) | Method for treating leather-making industrial wastewater | |
| CN100404657C (en) | Cleaning agent for ceramic film and its preparation method | |
| CN101797496B (en) | Preparation method of inorganic-organic compound-type adsorbent based on clinoptilolite and application for removing Cr(VI) in industrial waste water | |
| CN102311204A (en) | Treatment method for wastewater generated by processing high-acid crude oil | |
| CN104478045A (en) | Efficient electrodialysis desalinizing device and method for coking wastewater | |
| CN111420630A (en) | Preparation and regeneration method of magnesium hydroxide modified diatomite dephosphorizing agent | |
| CN108585351A (en) | Xinjiang textile industry garden dyeing waste water dual treatment and promotion reclamation rate integrated technique | |
| CN105314794A (en) | Sodium carboxymethyl cellulose production wastewater treatment process | |
| CN102757153B (en) | Method for treating wastewater generated during production of 12-hydroxy stearic acid | |
| CN103127836A (en) | Ceramic membrane cleaning agent | |
| CN103951140B (en) | The low concentration wastewater treatment process of a kind of anaerobic built-in zero-valent iron reactor coupling artificial swamp | |
| CN103657427A (en) | Hollow fiber ultrafiltration membrane cleaning agent and preparation method thereof | |
| CN110642461B (en) | Alkali-activated leather-immobilized bacillus pumilus/H2O2Method for purifying printing and dyeing wastewater | |
| CN101591054A (en) | Compound color-odor removal coagulating agent and production method and be used for the technology that leather sewage is handled | |
| CN113648839A (en) | Efficient cleaning method for treating high-turbidity oily wastewater flat ceramic membrane | |
| CN113881515A (en) | Cleaning agent and cleaning method for nanofiltration membrane or reverse osmosis membrane | |
| CN102008948B (en) | Method for regenerating waste residues of kieselguhr filter aid | |
| CN203959963U (en) | A kind of molten phosphorus Waste Water Treatment | |
| CN101254411A (en) | Alkaline hyperfiltration membrane cleaning agent | |
| CN103736396A (en) | Composite cleaning agent of ozone catalysis inorganic membrane and preparation method of composite cleaning agent | |
| CN110577299B (en) | Method for treating hot galvanizing pickling wastewater and preparing carbon-loaded iron-zinc binary metal composite material | |
| CN111099761A (en) | Washing wastewater recycling system | |
| CN116809018B (en) | Preparation method and application of sludge biochar |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI EMPEROR OF CLEANING ENVIRONMENTAL PROTECT Effective date: 20130621 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20130621 Address after: 200437, building 5, block B, Bai Shu Building, No. 1230, Bei Bei Road, Shanghai, Zhongshan Applicant after: Shanghai Emperor of Cleaning Tech Co., Ltd. Applicant after: SHANGHAI ECH ENVIRONMENT TECHNOLOGY CO., LTD. Address before: 200437, building 5, block B, Bai Shu Building, No. 1230, Bei Bei Road, Shanghai, Zhongshan Applicant before: Shanghai Emperor of Cleaning Tech Co., Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200437, building 5, block B, Bai Shu Building, No. 1230, Bei Bei Road, Shanghai, Zhongshan Patentee after: Shanghai Emperor of Cleaning Tech Co., Ltd. Patentee after: Shanghai washing water environment Technology Co., Ltd. Address before: 200437, building 5, block B, Bai Shu Building, No. 1230, Bei Bei Road, Shanghai, Zhongshan Patentee before: Shanghai Emperor of Cleaning Tech Co., Ltd. Patentee before: SHANGHAI ECH ENVIRONMENT TECHNOLOGY CO., LTD. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200437, building 5, block B, Bai Shu Building, No. 1230, Bei Bei Road, Shanghai, Zhongshan Patentee after: Shanghai Emperor of Cleaning Tech Co., Ltd. Patentee after: Sponge city construction (Shanghai) Co., Ltd. Address before: 200437, building 5, block B, Bai Shu Building, No. 1230, Bei Bei Road, Shanghai, Zhongshan Patentee before: Shanghai Emperor of Cleaning Tech Co., Ltd. Patentee before: Shanghai washing water environment Technology Co., Ltd. |