CN107321190A - A kind of reverse osmosis membrane antisludging agent and preparation method thereof - Google Patents
A kind of reverse osmosis membrane antisludging agent and preparation method thereof Download PDFInfo
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- CN107321190A CN107321190A CN201710396023.2A CN201710396023A CN107321190A CN 107321190 A CN107321190 A CN 107321190A CN 201710396023 A CN201710396023 A CN 201710396023A CN 107321190 A CN107321190 A CN 107321190A
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- reverse osmosis
- osmosis membrane
- antisludging agent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/08—Prevention of membrane fouling or of concentration polarisation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/16—Use of chemical agents
- B01D2321/168—Use of other chemical agents
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- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nanotechnology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
It is used for reverse osmosis membrane antisludging agent the invention discloses one kind, includes the component of following parts by weight：50~80 parts of 2 8~15 parts of HPAAs, 3~15 parts of poly-aspartate, 5~8 parts of poly-epoxy succinic acid, 10~20 parts of HPMA, 4~7 parts of potassium peroxydisulfate and water.The present invention provides a kind of reverse osmosis membrane antisludging agent, and its performance is stable, blocks fouling, and effective reduction film fouling risk, prolonging service lifetime of film reduces Membrane cleaning number of times.
Description
Technical field
The present invention relates to antisludging agent field, and in particular to a kind of reverse osmosis membrane antisludging agent and preparation method thereof.
Background technology
Counter-infiltration system:Counter-infiltration system is by fine filter, seed activity carbon filter, compression activity by raw water
Carbon filter etc., then pressurizeed by pump, it is 1/10000 μm (viral equivalent to the 1/6000 of Escherichia coli size using aperture
1/300) reverse osmosis membrane (RO films), makes the water of higher concentration be changed into low concentration of water, while by industrial pollutants, heavy metal, thin
The impurity that bacterium, virus etc. are largely mixed into water is all isolated, and defined physical and chemical index and sanitary standard, output are drunk so as to reach
It is that human body supplements the water degree of purity that the optimal selection of high-quality moisture content is produced due to RO reverse osmosis technologies in time to clear to pure water
It is highest in the cutting water technology that the current mankind grasp, cleanliness factor nearly reaches 100%.
Reverse osmosis membrane is the key equipment of counter-infiltration system, during system continuous operation for a long time, calcium and magnesium plasma meeting in water
Constantly separate out and in reverse osmosis membrane surface attachment, form fouling and clogging fenestra, can so influence the water outlet efficiency of counter-infiltration system,
Damage reverse osmosis membrane.Due to reverse osmosis membrane costly, so in system operation, to increase by one section of medicine system, in water
Reverse osmosis antisludging agent is added, delays the precipitation and film surface fouling of calcium ions and magnesium ions.
The content of the invention
It is an object of the invention to provide a kind of reverse osmosis membrane antisludging agent and preparation method thereof, solve in current counter-infiltration
The problem of easily there is biological pollution and bacterium exceeded hidden danger in system.
To solve above-mentioned technical problem, the present invention uses following technical scheme：
One kind is used for reverse osmosis membrane antisludging agent, includes the component of following parts by weight：2- hydroxyls -8~15 parts of phosphine acyl acetic acid, poly- day
3~15 parts of winter propylhomoserin, 5~8 parts of poly-epoxy succinic acid, 10~20 parts of HPMA, 4~7 parts of potassium peroxydisulfate and water 50
~80 parts.
Further scheme is that above-mentioned is used for reverse osmosis membrane antisludging agent, includes the component of following parts by weight：2- hydroxyls
8~12 parts of base-phosphine acyl acetic acid, 5~15 parts of poly-aspartate, 5~7 parts of poly-epoxy succinic acid, HPMA 10~
60~80 parts of 16 parts, 4~5 parts of potassium peroxydisulfate and water.
Further scheme is that above-mentioned is used for reverse osmosis membrane antisludging agent, includes the component of following parts by weight：2- hydroxyls
8~10 parts of base-phosphine acyl acetic acid, 5~12 parts of poly-aspartate, 5~6 parts of poly-epoxy succinic acid, HPMA 12~
70~80 parts of 14 parts, 4~5 parts of potassium peroxydisulfate and water.
Further scheme is that above-mentioned is used for reverse osmosis membrane antisludging agent, includes the component of following parts by weight：2- hydroxyls
8 parts of base-phosphine acyl acetic acid, 11 parts of poly-aspartate, 6 parts of poly-epoxy succinic acid, 13 parts of HPMA, potassium peroxydisulfate 4
80 parts of part and water.
A kind of preparation method of antisludging agent for reverse osmosis membrane, comprises the following steps：
S1：By 2- hydroxyls-phosphine acyl acetic acid, poly-aspartate, poly-epoxy succinic acid, HPMA is according to parts by weight
Add in reactor, after stirring 45min, and be gradually heating to 38 DEG C；
S2：After adding potassium peroxydisulfate after temperature stabilization in S1, stirring to liquid is thick；
S3：Water is added into S2,75~80 DEG C are gradually heating to, after being stirred for 30min after temperature stabilization；
S4：After stirring terminates in S3,6~8h of insulation is got product.
Further scheme is that the mixing speed of reactor is 500-600r/min.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention provides a kind of reverse osmosis membrane antisludging agent, and its performance is stable, blocks fouling, effectively reduction film fouling risk, extension
Film service life, reduces Membrane cleaning number of times.
Reverse osmosis membrane antisludging agent in the present invention, has functions that good chelating is stable to metal ions such as iron, manganese, energy
Enough prevent it from producing dirt in membrane tube.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Embodiment 1：
A kind of reverse osmosis membrane antisludging agent, includes the component of following parts by weight：2- hydroxyls -8 parts of phosphine acyl acetic acid, poly-aspartate 3
Part, 5 parts of poly-epoxy succinic acid, 10 parts of HPMA, 4 parts of potassium peroxydisulfate and 50 parts of water.
Embodiment 2：
A kind of reverse osmosis membrane antisludging agent, includes the component of following parts by weight：2- hydroxyls -15 parts of phosphine acyl acetic acid, poly-aspartate
80 parts of 15 parts, 8 parts of poly-epoxy succinic acid, 20 parts of HPMA, 7 parts of potassium peroxydisulfate and water.
Embodiment 3：
A kind of reverse osmosis membrane antisludging agent, includes the component of following parts by weight：2- hydroxyls -10 parts of phosphine acyl acetic acid, poly-aspartate 9
Part, 7 parts of poly-epoxy succinic acid, 17 parts of HPMA, 6 parts of potassium peroxydisulfate and 65 parts of water.
Embodiment 4：
A kind of reverse osmosis membrane antisludging agent, includes the component of following parts by weight：2- hydroxyls -8 parts of phosphine acyl acetic acid, poly-aspartate 5
Part, 5 parts of poly-epoxy succinic acid, 10 parts of HPMA, 4 parts of potassium peroxydisulfate and 60 parts of water.
Embodiment 5：
A kind of reverse osmosis membrane antisludging agent, includes the component of following parts by weight：2- hydroxyls -12 parts of phosphine acyl acetic acid, poly-aspartate
80 parts of 15 parts, 7 parts of poly-epoxy succinic acid, 16 parts of HPMA, 5 parts of potassium peroxydisulfate and water.
Embodiment 6：
A kind of reverse osmosis membrane antisludging agent, includes the component of following parts by weight：2- hydroxyls -10 parts of phosphine acyl acetic acid, poly-aspartate
70 parts of 12 parts, 6 parts of poly-epoxy succinic acid, 13 parts of HPMA, 4 parts of potassium peroxydisulfate and water.
Embodiment 7：
A kind of reverse osmosis membrane antisludging agent, includes the component of following parts by weight：2- hydroxyls -8 parts of phosphine acyl acetic acid, poly-aspartate 5
Part, 5 parts of poly-epoxy succinic acid, 12 parts of HPMA, 4 parts of potassium peroxydisulfate and 70 parts of water.
Embodiment 8：
A kind of reverse osmosis membrane antisludging agent, includes the component of following parts by weight：2- hydroxyls -10 parts of phosphine acyl acetic acid, poly-aspartate
80 parts of 12 parts, 6 parts of poly-epoxy succinic acid, 14 parts of HPMA, 5 parts of potassium peroxydisulfate and water.
Embodiment 9：
A kind of reverse osmosis membrane antisludging agent, includes the component of following parts by weight：2- hydroxyls -9 parts of phosphine acyl acetic acid, poly-aspartate 7
Part, 6 parts of poly-epoxy succinic acid, 13 parts of HPMA, 5 parts of potassium peroxydisulfate and 75 parts of water.
Embodiment 10：
A kind of reverse osmosis membrane antisludging agent, includes the component of following parts by weight：2- hydroxyls -8 parts of phosphine acyl acetic acid, poly-aspartate 11
Part, 6 parts of poly-epoxy succinic acid, 13 parts of HPMA, 4 parts of potassium peroxydisulfate and 80 parts of water.
The preparation method of any one reverse osmosis membrane antisludging agent in above-described embodiment 1~10, comprises the following steps：
S1：By 2- hydroxyls-phosphine acyl acetic acid, poly-aspartate, poly-epoxy succinic acid, HPMA is according to parts by weight
Add in reactor, after stirring 45min, and be gradually heating to 38 DEG C；The mixing speed of reactor is 500-600r/min
S2：After adding potassium peroxydisulfate after temperature stabilization in S1, stirring to liquid is thick；
S3：Water is added into S2,75~80 DEG C are gradually heating to, after being stirred for 30min after temperature stabilization；
S4：After stirring terminates in S3,6~8h of insulation is got product.
Although reference be made herein to invention has been described for multiple explanatory embodiments of the invention, however, it is to be understood that
Those skilled in the art can be designed that a lot of other modification and embodiment, and these modifications and embodiment will fall in this Shen
Please be within disclosed spirit and spirit.More specifically, can be to master in the range of disclosure and claim
The building block and/or layout for inscribing composite configuration carry out a variety of variations and modifications.Except what is carried out to building block and/or layout
Outside modification and improvement, to those skilled in the art, other purposes also will be apparent.
Claims (6)
1. a kind of reverse osmosis membrane antisludging agent, it is characterised in that：Include the component of following parts by weight：2- hydroxyls-phosphine acyl acetic acid 8~
15 parts, 3~15 parts of poly-aspartate, 5~8 parts of poly-epoxy succinic acid, 10~20 parts of HPMA, potassium peroxydisulfate 4~7
50~80 parts of part and water.
2. reverse osmosis membrane antisludging agent according to claim 1, it is characterised in that：Include the component of following parts by weight：2- hydroxyls
8~12 parts of base-phosphine acyl acetic acid, 5~15 parts of poly-aspartate, 5~7 parts of poly-epoxy succinic acid, HPMA 10~
60~80 parts of 16 parts, 4~5 parts of potassium peroxydisulfate and water.
3. reverse osmosis membrane antisludging agent according to claim 2, it is characterised in that：Include the component of following parts by weight：2- hydroxyls
8~10 parts of base-phosphine acyl acetic acid, 5~12 parts of poly-aspartate, 5~6 parts of poly-epoxy succinic acid, HPMA 12~
70~80 parts of 14 parts, 4~5 parts of potassium peroxydisulfate and water.
4. reverse osmosis membrane antisludging agent according to claim 3, it is characterised in that：：Include the component of following parts by weight：2- hydroxyls
8 parts of base-phosphine acyl acetic acid, 11 parts of poly-aspartate, 6 parts of poly-epoxy succinic acid, 13 parts of HPMA, potassium peroxydisulfate 4
80 parts of part and water.
5. a kind of preparation method of reverse osmosis membrane antisludging agent, it is characterised in that comprise the following steps：
S1：By 2- hydroxyls-phosphine acyl acetic acid, poly-aspartate, poly-epoxy succinic acid, HPMA is according to parts by weight
Add in reactor, after stirring 45min, and be gradually heating to 38 DEG C；
S2：After adding potassium peroxydisulfate after temperature stabilization in S1, stirring to liquid is thick；
S3：Water is added into S2,75~80 DEG C are gradually heating to, after being stirred for 30min after temperature stabilization；
S4：After stirring terminates in S3,6~8h of insulation is got product.
6. a kind of preparation method of reverse osmosis membrane antisludging agent according to claim 5, it is characterised in that：The reactor
Mixing speed is 500-600r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710396023.2A CN107321190A (en) | 2017-05-31 | 2017-05-31 | A kind of reverse osmosis membrane antisludging agent and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710396023.2A CN107321190A (en) | 2017-05-31 | 2017-05-31 | A kind of reverse osmosis membrane antisludging agent and preparation method thereof |
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| CN107321190A true CN107321190A (en) | 2017-11-07 |
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| CN201710396023.2A Pending CN107321190A (en) | 2017-05-31 | 2017-05-31 | A kind of reverse osmosis membrane antisludging agent and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103768957A (en) * | 2014-01-23 | 2014-05-07 | 南通苏通分离工程科技有限公司 | Reverse osmosis membrane scale inhibitor and preparation method thereof |
| CN103896414A (en) * | 2014-04-18 | 2014-07-02 | 威海翔宇环保科技有限公司 | Antisludging agent for hot method during sea water desalination |
| CN106669429A (en) * | 2016-12-22 | 2017-05-17 | 新疆德蓝股份有限公司 | Phosphate-free scale inhibitor for reverse osmosis membrane |
-
2017
- 2017-05-31 CN CN201710396023.2A patent/CN107321190A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103768957A (en) * | 2014-01-23 | 2014-05-07 | 南通苏通分离工程科技有限公司 | Reverse osmosis membrane scale inhibitor and preparation method thereof |
| CN103896414A (en) * | 2014-04-18 | 2014-07-02 | 威海翔宇环保科技有限公司 | Antisludging agent for hot method during sea water desalination |
| CN106669429A (en) * | 2016-12-22 | 2017-05-17 | 新疆德蓝股份有限公司 | Phosphate-free scale inhibitor for reverse osmosis membrane |
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Application publication date: 20171107 |