CN100453151C - Alkali-base detergent for inorganic ultrafiltering cermic membrane - Google Patents
Alkali-base detergent for inorganic ultrafiltering cermic membrane Download PDFInfo
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- CN100453151C CN100453151C CNB2006100317784A CN200610031778A CN100453151C CN 100453151 C CN100453151 C CN 100453151C CN B2006100317784 A CNB2006100317784 A CN B2006100317784A CN 200610031778 A CN200610031778 A CN 200610031778A CN 100453151 C CN100453151 C CN 100453151C
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Abstract
The present invention discloses one kind of alkali-base detergent for inorganic ultrafiltering ceramic membrane. The detergent consists of sodium dodecyl benzene sulfonate, coconut oil fatty acid monoethyl alcohol acrylamine, basic hydroxide, carbonate, phosphate polymer, silicate and water. The detergent has detergency over 95 %, excellent rinsing performance, no harm to the ultrafiltering deice, low treating cost, easy treatment of washed waste liquid, and other advantages.
Description
Technical field
The present invention relates to a kind of alkali-base detergent for inorganic ultrafiltering cermic membrane.
Background technology
Hyperfiltration technique is used for fields such as biofermentation, medicine, nano-powder production, petrochemical industry, chemical industry, especially is widely used in the cold rolling oily waste water processing procedure of steel plant.In the use of milipore filter, to produce pollution inevitably, cause the water flux of film obviously to descend, handle the waste water ability and successively decrease.So need regularly clean to the film pipe.Research for Pollution of Ultrafiltration Membrane, the document of having delivered has fourth one, Liang Hengguo, Liu Tao, Wu and. milipore filter MOM pollutes and chemical cleaning method [J]. clean the world, 2004,20 (3): 8-10. Shen Min, Li Weixing, Xing Weihong, Xu Nanping. " film of ceramic membrane clarification radix rehmanniae recen extract pollutes and cleans and study " [J] Jiang Lianzhou, Huang Li, Zhu Xiuqing, Xu Ping. " research that Soybean Peptide ultra-filtration and separation process film cleans " [J] Chinese oil, 2004,13 (29): 45-46. Chen Xiao swallow, Jin Jiang. " ceramic membrane is handled the membrance chemistry cleaning and regeneration research of brazilic acid zymotic fluid " [J]. food and fermentation industries, 2004,10 (30): 92-95 etc. these researchs mainly are at microorganism, organic matter (protein, polysaccharide etc.) etc. pollutant utilizes NaClO, EDTA, amylase, acid, one matter or the composite researchs of cleaning of two components such as alkali.Other commercially available cleaning agent specific aim is not strong, clean ultra-filtration process after, can produce the milipore filter deterioration, when causing the milipore filter operation flux decay very fast, not too be fit to the cleaning of milipore filter, especially be not suitable for being subjected to the ` of the ceramic super-filtering film of grease contamination to clean; And price is more expensive, the cleaning frequency is short, cleaning frequency is higher, has increased the cost that cleans.
Summary of the invention
The objective of the invention is to overcome the defective of above cleaning agent, provide a kind of with strong points, cleaning performance good, ultrafiltration apparatus is not had harm, can avoid the tendency of film deterioration, can make after cleaning membrane flux return to normal level, and can keep certain cycle and lower-cost a kind of ceramic super-filtering film base cleaning agent
The present invention is made of following component and weight ratio:
Neopelex (LAS) 0.15-0.5
Fatty acid distribution of coconut oil single ethanol amide (CMEA) 0.15-0.5
Alkaline hydrated oxide 1.0-2.0
Carbonate 0.3-0.8
Polymeric phosphate 0.3-0.5
Silicate 0.15-0.5
Surplus is a water
Describedly can be NaOH, potassium hydroxide or calcium hydroxide as alkaline hydrated oxide;
Described polymeric phosphate can be polymerization of sodium phosphate or polymer phosphate potassium;
Described carbonate can be sodium carbonate or potash;
Described silicate can be sodium metasilicate or potassium silicate.
More than surfactant is a chief component in the prescription, it plays crucial effects to the removal of greasy dirt, wherein neopelex is general surfactant, it has good solubilising greasy dirt and with the ability of its removal, after surfactant fatty acid distribution of coconut oil single ethanol amide and its complex configuration, can form complex compound, than the better effects if of one-component.
And as other four kinds of components of auxiliary agent, their existence can make the removal of greasy dirt more effective, and clearance is higher, and speed is faster.Wherein alkaline hydrated oxide mainly plays saponification; Hydrolysis takes place and forms colloid in the auxiliary agent polymeric phosphate in the aqueous solution, colloid surface has strong attraction to the oleophylic dirt, the oleophylic dirt is dissociated from the cleaning object surface to be disperseed, and the salt of colloidal state can be deposited on formation one deck protective film on the cleaning object surface, is protected from corrosion; Next has the good cushioning effect and the effect of demineralized water; Auxiliary agent carbonate has the chelated metal ions effect, the alkaline medium effect; The auxiliary agents of silicon hydrochlorate has the absorption peptizaiton of active colloidal, can strengthen the surface-active effect of surfactant.
The pH value of this alkali-base detergent for inorganic ultrafiltering cermic membrane is less than 14, and it is moderate to foam, and is strong, good to the grease cleaning performance of general grease and the generation of cold rolling workshop to the sequestering power of metal ion; Washing power is up to more than 95%; Rinsing performance is superior, and ultrafiltration apparatus is not had harm, can avoid the tendency of film deterioration, can make membrane flux return to normal level after the cleaning, and can keep certain cycle, and reduced cleaning frequency, reduced processing cost, clean waste liquid and be easy to handle, biological degradability is good, and production cost is low.
The specific embodiment
Embodiment 1:
Take by weighing the 0.9g neopelex, 0.9g fatty acid distribution of coconut oil single ethanol amide adds a small amount of distilled water and is heated to 60 ℃ of fully dissolvings, add 4.05g NaOH more successively, 1.35g sodium carbonate, 1.08g polymerization of sodium phosphate and 0.72g sodium metasilicate stir and make its whole dissolvings.Add 300 milliliters of distilled water after cooling and be made into 3% the aqueous solution, survey the pH value respectively, rinsing performance, washing power and foaming power.
Experimental result is as follows:
The pH value is 13.20, and ultrafiltration apparatus is not had harm;
Washing power is 95.89%, does not have visible cleaning agent residue;
Foaming power: foam height 10.79mm.
The permeation flux of cleaning agent and time relation in the cleaning:
The hyperfiltration membrane cleaning agent that configures applied in certain steel plant cold rolling oily waste water milipore filter unit clean film and pollute, cleaning performance is obvious, the penetrating fluid flux of cleaning agent in time increase and increase, the penetrating fluid flux later at 25min reaches 4.7m
3/ h.Can return to the preceding initial level of film operation.
Clean back penetrating fluid permeation flux and time relation
Clean the back with alkali-base detergent for inorganic ultrafiltering cermic membrane and filter oily waste water, the slow and filtration flux of its The decline of membrane flux can keep stablizing in long time, and flux just begins to drop to 2m behind 72h
3Below/the h, cleaning performance can be kept one period long cycle.
Embodiment 2:
Take by weighing the 0.54g neopelex, 0.54g fatty acid distribution of coconut oil single ethanol amide adds a small amount of distilled water and is heated to 60 ℃ of fully dissolvings, add 3.15g NaOH more successively, 1.08g sodium carbonate, 0.9g polymerization of sodium phosphate and 0.54g sodium metasilicate stir and make its whole dissolvings.Add distilled water 300mL after cooling and be made into 2.25% the aqueous solution, survey the pH value respectively, rinsing performance, washing power and foaming power.
Experimental result is the pH value: 12.89, and rinsing performance: do not have visible cleaning agent residue substantially, washing power: 95.45%, foaming power: foam height 12.38mm.
Embodiment 3:
Take by weighing the 1.26g neopelex, 1.26g fatty acid distribution of coconut oil single ethanol amide adds a small amount of distilled water and is heated to 60 ℃ of fully dissolvings, add 4.95g NaOH more successively, 1.89g sodium carbonate, 1.26g polymerization of sodium phosphate and 1.08g sodium metasilicate stir and make its whole dissolvings.Add distilled water 300mL after cooling and be made into 3.9% the aqueous solution, survey the pH value respectively, rinsing performance, washing power and foaming power.
Experimental result is the pH value: 13.25, and rinsing performance: do not have visible cleaning agent residue substantially, washing power: 81.12%, foaming power: foam height 16.87mm.
Claims (1)
1. alkali-base detergent for inorganic ultrafiltering cermic membrane is characterized in that being made of following component and weight ratio:
Neopelex 0.15-0.5
Fatty acid distribution of coconut oil single ethanol amide 0.15-0.5
NaOH or potassium hydroxide 1.0-2.0
Sodium carbonate or potash 0.3-0.8
Polymerization of sodium phosphate or polymer phosphate potassium 0.3-0.5
Sodium metasilicate or potassium silicate 0.15-0.5
Surplus is a water, is made into 3% the aqueous solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100317784A CN100453151C (en) | 2006-06-06 | 2006-06-06 | Alkali-base detergent for inorganic ultrafiltering cermic membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100317784A CN100453151C (en) | 2006-06-06 | 2006-06-06 | Alkali-base detergent for inorganic ultrafiltering cermic membrane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1887413A CN1887413A (en) | 2007-01-03 |
| CN100453151C true CN100453151C (en) | 2009-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006100317784A Expired - Fee Related CN100453151C (en) | 2006-06-06 | 2006-06-06 | Alkali-base detergent for inorganic ultrafiltering cermic membrane |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100450595C (en) * | 2007-06-08 | 2009-01-14 | 江南大学 | Regenerating preprocessing agent for inorganic membrane or ultrafilter membrane and preparation method thereof |
| CN100450596C (en) * | 2007-06-08 | 2009-01-14 | 江南大学 | Micro-filtering or super-filtering film regenerating agent and preparing method |
| CN101721916B (en) * | 2008-10-24 | 2012-07-18 | 中国石油化工股份有限公司 | Chemical cleaning method of reverse osmosis membrane |
| CN102847443A (en) * | 2011-06-28 | 2013-01-02 | 苏州顶裕水务科技有限公司 | Formulation of cleaning fluid for ultrafiltration membrane |
| CN102343217A (en) * | 2011-09-21 | 2012-02-08 | 石家庄开发区德赛化工有限公司 | Ultrafiltration membrane alkaline cleaner |
| 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 |
| CN104589196A (en) * | 2014-12-22 | 2015-05-06 | 贵州振华群英电器有限公司（国营第八九一厂） | Method for removing oxide at bottom of miniature electric device shell |
| CN104492273A (en) * | 2014-12-31 | 2015-04-08 | 伊犁川宁生物技术有限公司 | Alkaline membrane washing agent and preparation method thereof |
| CN104524981A (en) * | 2014-12-31 | 2015-04-22 | 伊犁川宁生物技术有限公司 | Acid membrane cleaning agent and preparation method thereof |
| CN105709605A (en) * | 2015-08-13 | 2016-06-29 | 常州联江环保科技有限公司 | Alkaline cleaning agent and bactericide applicable to ultra-filtration membranes or reverse osmosis membranes |
| CN107261850A (en) * | 2017-06-21 | 2017-10-20 | 太仓市金鹿电镀有限公司 | A kind of milipore filter high-efficient cleaning washing lotion and cleaning method |
| CN108499367A (en) * | 2018-02-11 | 2018-09-07 | 湖南华菱节能环保科技有限公司 | A kind of ceramic membrane cleaning agent and preparation method thereof |
| CN110898674A (en) * | 2019-11-29 | 2020-03-24 | 江苏大储宝环境科技有限公司 | Water purifier reverse osmosis membrane cleaning agent and preparation method thereof |
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| CN1887413A (en) | 2007-01-03 |
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