CN112624360A - Reverse osmosis system industrial water treatment integrated agent and preparation method thereof - Google Patents
Reverse osmosis system industrial water treatment integrated agent and preparation method thereof Download PDFInfo
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- CN112624360A CN112624360A CN202011385921.6A CN202011385921A CN112624360A CN 112624360 A CN112624360 A CN 112624360A CN 202011385921 A CN202011385921 A CN 202011385921A CN 112624360 A CN112624360 A CN 112624360A
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- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 46
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 45
- 239000008235 industrial water Substances 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 230000007797 corrosion Effects 0.000 claims abstract description 17
- 238000005260 corrosion Methods 0.000 claims abstract description 17
- 239000008367 deionised water Substances 0.000 claims abstract description 15
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 15
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 239000003112 inhibitor Substances 0.000 claims abstract description 7
- 239000002455 scale inhibitor Substances 0.000 claims abstract description 7
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 6
- 239000003899 bactericide agent Substances 0.000 claims abstract description 6
- 239000002270 dispersing agent Substances 0.000 claims abstract description 6
- 239000012459 cleaning agent Substances 0.000 claims abstract description 5
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 30
- 230000005764 inhibitory process Effects 0.000 claims description 20
- 238000004140 cleaning Methods 0.000 claims description 15
- BAERPNBPLZWCES-UHFFFAOYSA-N (2-hydroxy-1-phosphonoethyl)phosphonic acid Chemical compound OCC(P(O)(O)=O)P(O)(O)=O BAERPNBPLZWCES-UHFFFAOYSA-N 0.000 claims description 11
- JSYPRLVDJYQMAI-ODZAUARKSA-N (z)-but-2-enedioic acid;prop-2-enoic acid Chemical compound OC(=O)C=C.OC(=O)\C=C/C(O)=O JSYPRLVDJYQMAI-ODZAUARKSA-N 0.000 claims description 11
- LMHAGAHDHRQIMB-UHFFFAOYSA-N 1,2-dichloro-1,2,3,3,4,4-hexafluorocyclobutane Chemical compound FC1(F)C(F)(F)C(F)(Cl)C1(F)Cl LMHAGAHDHRQIMB-UHFFFAOYSA-N 0.000 claims description 11
- 229920002126 Acrylic acid copolymer Polymers 0.000 claims description 11
- 235000019864 coconut oil Nutrition 0.000 claims description 11
- 239000003240 coconut oil Substances 0.000 claims description 11
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 11
- 239000000194 fatty acid Substances 0.000 claims description 11
- 229930195729 fatty acid Natural products 0.000 claims description 11
- 150000004665 fatty acids Chemical class 0.000 claims description 11
- 229940068918 polyethylene glycol 400 Drugs 0.000 claims description 11
- 230000001954 sterilising effect Effects 0.000 claims description 11
- 238000004659 sterilization and disinfection Methods 0.000 claims description 11
- CMGDVUCDZOBDNL-UHFFFAOYSA-N 4-methyl-2h-benzotriazole Chemical compound CC1=CC=CC2=NNN=C12 CMGDVUCDZOBDNL-UHFFFAOYSA-N 0.000 claims description 10
- JBIROUFYLSSYDX-UHFFFAOYSA-M benzododecinium chloride Chemical compound [Cl-].CCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 JBIROUFYLSSYDX-UHFFFAOYSA-M 0.000 claims description 10
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 10
- MGIYRDNGCNKGJU-UHFFFAOYSA-N isothiazolinone Chemical compound O=C1C=CSN1 MGIYRDNGCNKGJU-UHFFFAOYSA-N 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- GSFSVEDCYBDIGW-UHFFFAOYSA-N 2-(1,3-benzothiazol-2-yl)-6-chlorophenol Chemical compound OC1=C(Cl)C=CC=C1C1=NC2=CC=CC=C2S1 GSFSVEDCYBDIGW-UHFFFAOYSA-N 0.000 claims description 9
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 9
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 9
- 239000002202 Polyethylene glycol Substances 0.000 claims description 5
- 229920001223 polyethylene glycol Polymers 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000008223 sterile water Substances 0.000 claims description 3
- 239000012528 membrane Substances 0.000 abstract description 16
- 241000894006 Bacteria Species 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000002195 synergetic effect Effects 0.000 abstract description 3
- 239000000084 colloidal system Substances 0.000 abstract description 2
- 239000003344 environmental pollutant Substances 0.000 abstract description 2
- 239000004519 grease Substances 0.000 abstract description 2
- 210000004877 mucosa Anatomy 0.000 abstract description 2
- 231100000719 pollutant Toxicity 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- -1 slime Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 239000003814 drug Substances 0.000 description 4
- 229940079593 drug Drugs 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- CWSZBVAUYPTXTG-UHFFFAOYSA-N 5-[6-[[3,4-dihydroxy-6-(hydroxymethyl)-5-methoxyoxan-2-yl]oxymethyl]-3,4-dihydroxy-5-[4-hydroxy-3-(2-hydroxyethoxy)-6-(hydroxymethyl)-5-methoxyoxan-2-yl]oxyoxan-2-yl]oxy-6-(hydroxymethyl)-2-methyloxane-3,4-diol Chemical compound O1C(CO)C(OC)C(O)C(O)C1OCC1C(OC2C(C(O)C(OC)C(CO)O2)OCCO)C(O)C(O)C(OC2C(OC(C)C(O)C2O)CO)O1 CWSZBVAUYPTXTG-UHFFFAOYSA-N 0.000 description 1
- JRLTTZUODKEYDH-UHFFFAOYSA-N 8-methylquinoline Chemical group C1=CN=C2C(C)=CC=CC2=C1 JRLTTZUODKEYDH-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 241000295146 Gallionellaceae Species 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000003619 algicide Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003097 mucus Anatomy 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- VMSRVIHUFHQIAL-UHFFFAOYSA-N sodium;dimethylcarbamodithioic acid Chemical compound [Na+].CN(C)C(S)=S VMSRVIHUFHQIAL-UHFFFAOYSA-N 0.000 description 1
- 239000008234 soft water Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/14—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses an industrial water treatment integrated agent for a reverse osmosis system, which is prepared from the following components in percentage by mass: 2.0-5.5% of dispersant, 7-24% of bactericide, 2.5-9.5% of corrosion inhibitor, 4-16% of scale inhibitor, 2-5% of cleaning agent and the balance of deionized water. The invention also provides a preparation method of the composition. The integrated agent provided by the invention can rapidly and effectively remove pollutants such as bacteria, inorganic scale, organic matters, suspended matters, colloid, slime, grease, biological mucosa and the like in a water body under low dosage, the product has the advantages of wide application range, wide effective pH value range, low accounting cost, good synergistic effect, convenient use, stable effect, safety, environmental protection, no residue and the like, and the integrated agent can be widely applied to a membrane separation system and has higher economic benefit.
Description
Technical Field
The invention belongs to the technical field of industrial water treatment, and particularly relates to an industrial water treatment integrated agent for a reverse osmosis system and a preparation method thereof.
Background
In the current industrial water treatment, the sterilization, cleaning, corrosion inhibition and scale inhibition treatment of the water body at the front end of a reverse osmosis membrane system are performed singly, generally, after sterilization is performed by adopting a 'sterilization algicide', corrosion inhibition and scale inhibition treatment is performed on the water quality by adopting a 'corrosion inhibition and scale inhibition agent', and then a 'cleaning agent' is used for cleaning the membrane system regularly. The whole treatment process needs to be carried out by adding medicines in stages, time intervals and multiple times, the compatibility of various medicines is not uniform, the water treatment process is complicated, and the membrane pollution of a reverse osmosis system is more easily serious, the water yield is low, the quality of produced water is poor, the pressure difference of inlet and outlet water quality is large, the operation cost is high, and the operation life is short. At present, the integrated water treatment agent product in the market is blank, and the application technology of the integrated product is blank. The market urgently needs the integrated product of sterilization, algae removal, corrosion inhibition, scale inhibition, cleaning and defoaming to make up for the blank.
Disclosure of Invention
The invention aims to provide an industrial water treatment integrated agent and a preparation method thereof, aiming at the defects of the prior art, the sterilization, cleaning, corrosion inhibition and scale inhibition treatment work of the water body at the front end of a reverse osmosis membrane system is synchronously carried out, so as to solve the technical problems that the prior water treatment process needs to be carried out by adding medicines in stages, time intervals and multiple times, the compatibility of various medicines is not uniform, the water treatment process is complicated and complicated, and the membrane pollution of the reverse osmosis system is serious, the water yield is low, the water quality is poor, the pressure difference of inlet and outlet water quality is large, the operation cost is high and the operation life is short.
The technical scheme provided by the invention for solving the technical problem is as follows:
the industrial water treatment integrated agent for the reverse osmosis system is characterized by being used for integrated treatment of sterilization, cleaning, corrosion inhibition and scale inhibition on a water body at the front end of the reverse osmosis system, and comprising the following components in percentage by weight:
2.0 to 5.5 percent of dispersant,
7 to 24 percent of bactericide,
2.5 to 9.5 percent of corrosion inhibitor,
4 to 16 percent of scale inhibitor,
2 to 5 percent of cleaning agent,
the balance being deionized water.
2. The reverse osmosis system industrial water treatment integrated agent according to claim 1, wherein: the dispersing agent is a mixture of polyethylene glycol and hydroxyethyl cellulose.
3. A reverse osmosis system industrial water treatment integrated agent according to claim 1, wherein the bactericide is a mixture of citric acid, isothiazolinone, sodium dimethyldithiocarbamate and dodecyl dimethyl benzyl ammonium chloride; wherein the polyethylene glycol is polyethylene glycol 400 #.
4. The reverse osmosis system industrial water treatment integrated agent according to claim 1, wherein: the cleanser is coconut oil fatty acid diethanolamide.
5. The reverse osmosis system industrial water treatment integrated agent according to claim 1, wherein: the corrosion inhibitor is a mixture of 2-hydroxyphosphonoacetic acid and methylbenzotriazole.
6. The reverse osmosis system industrial water treatment integrated agent according to claim 1, wherein: the scale inhibitor is a mixture of hydroxyethylidene diphosphonic acid and maleic acid-acrylic acid copolymer.
7. The reverse osmosis system industrial water treatment integrated agent according to claim 1, which is prepared from the following components in percentage by weight:
2 to 5 percent of polyethylene glycol 400#,
0.1 to 0.5 percent of hydroxyethyl cellulose,
2 to 5 percent of citric acid,
2 to 8 percent of isothiazolinone,
2 to 8 percent of sodium dimethyldithiocarbamate,
1 to 3 percent of dodecyl dimethyl benzyl ammonium chloride,
2-8 percent of 2-hydroxyphosphonoacetic acid,
0.5 to 1.5 percent of methyl benzotriazole,
2 to 8 percent of hydroxyl ethylidene diphosphonic acid,
2 to 8 percent of maleic acid-acrylic acid copolymer,
coconut oil fatty acid diethanolamide 2-8 wt%,
the balance being deionized water.
A preparation method of the reverse osmosis system industrial water treatment integrated agent comprises the following steps:
1) pumping quantitative deionized water from the sterile water tank to a stainless steel stirring tank by a pump;
2) starting the stirrer, and adjusting the rotating speed of the stirrer to 30 revolutions per minute;
3) adding polyethylene glycol 400 #;
4) slowly adding hydroxyethyl cellulose;
5) adding citric acid;
6) adding 2-hydroxyphosphonoacetic acid;
7) adding hydroxyethylidene diphosphonic acid;
8) adding a maleic acid-acrylic acid copolymer;
9) adding isothiazolinone;
10) adding dodecyl dimethyl benzyl ammonium chloride;
11) adding sodium dimethyldithiocarbamate;
12) adding methyl benzotriazole;
13) coconut oil fatty acid diethanolamide;
14) adding the rest deionized water in the formula, adjusting the stirring speed of the stirrer to 60-80 rpm, and continuously stirring for 40-60 minutes;
15) and standing for 20-30 minutes to obtain the industrial water treatment integrated agent of the reverse osmosis system.
The invention has the beneficial effects that:
1. the industrial water treatment integrated agent provided by the invention can synchronously carry out sterilization, cleaning, corrosion inhibition and scale inhibition treatment on the water body at the front end of a reverse osmosis membrane system through reasonable formulation and preparation process, can quickly and effectively remove pollutants such as bacteria, inorganic scale (calcium, magnesium, barium, strontium, silicon and the like), organic matters, suspended matters, colloid, slime, grease, biological mucosa and the like in the water body at low dosage, improves the water yield and the water quality, reduces the pressure difference, prolongs the operation time of the membrane, reduces the operation cost and protects the normal operation of UF, NF and RO membranes.
2. The industrial water treatment integrated agent product provided by the invention has the advantages of wide application range, wide effective pH value range, low accounting cost, good synergistic effect, convenient use, stable effect, safety, environmental protection, no residue and the like, can sterilize, clean, corrode and scale, is in one step, and is beneficial to being widely applied to a membrane separation system.
3. The industrial water treatment integrated agent product provided by the invention can be used for broad-spectrum sterilization, is very effective on bacteria, fungi and yeasts, and particularly sulfate reducing bacteria, iron bacteria and mucus forming bacteria.
4. The industrial water treatment integrated agent product provided by the invention has excellent cleaning effect, and can be subjected to ultrasonic cleaning, soaking cleaning, spraying cleaning and centrifugal cleaning in an online or offline mode.
5. The industrial water treatment integrated agent product provided by the invention is suitable for UF, NF and RO membranes of various brands (such as DOW, TORAY, GE, CSM and the like), and is suitable for various standard water treatment systems.
6. The preparation method provided by the invention has the advantages of simple and easy operation steps, low cost, easy industrialization and stable product quality.
Detailed Description
The embodiment of the invention provides an industrial water treatment integrated agent for a reverse osmosis system, which is used for integrated treatment of sterilization, cleaning, corrosion inhibition and scale inhibition on a water body at the front end of the reverse osmosis system and is prepared from the following components in percentage by weight:
2.0 to 5.5 percent of dispersant,
7 to 24 percent of bactericide,
2.5 to 9.5 percent of corrosion inhibitor,
4 to 16 percent of scale inhibitor,
2 to 5 percent of cleaning agent,
the balance being deionized water.
The corrosion inhibitor is a mixture of 2-hydroxyphosphonoacetic acid and methylbenzotriazole, and the scale inhibitor is a mixture of hydroxyethylidene diphosphonic acid and a maleic acid-acrylic acid copolymer.
Wherein the cleanser is coconut oil fatty acid diethanolamide.
Wherein the polyethylene glycol is polyethylene glycol 400 #.
Preferably, the reverse osmosis system industrial water treatment integrated agent is prepared from the following components in percentage by weight:
2 to 5 percent of polyethylene glycol 400#,
0.1 to 0.5 percent of hydroxyethyl cellulose,
2 to 5 percent of citric acid,
2 to 8 percent of isothiazolinone,
2 to 8 percent of sodium dimethyldithiocarbamate,
1 to 3 percent of dodecyl dimethyl benzyl ammonium chloride,
2-8 percent of 2-hydroxyphosphonoacetic acid,
0.5 to 1.5 percent of methyl benzotriazole,
2 to 8 percent of hydroxyl ethylidene diphosphonic acid,
2 to 8 percent of maleic acid-acrylic acid copolymer,
coconut oil fatty acid diethanolamide 2-8 wt%,
the balance being deionized water.
Furthermore, the reverse osmosis system industrial water treatment integrated agent is prepared from the following components in percentage by weight:
polyethylene glycol 400# 3.5%, hydroxyethyl cellulose 0.3%, citric acid 4%, isothiazolinone 5%, sodium dimethyldithiocarbamate 5%, dodecyl dimethyl benzyl ammonium chloride 2%, 2-hydroxyphosphonoacetic acid 5%, methylbenzotriazole 1%, hydroxyethylidene diphosphonic acid 5%, maleic acid-acrylic acid copolymer 5%, coconut oil fatty acid diethanolamide 5%, and the balance of deionized water.
The invention also provides a preparation method of the industrial water treatment integrated agent of the reverse osmosis system, which comprises the following steps:
1) pumping quantitative deionized water from the sterile water tank to a stainless steel stirring tank by a pump;
2) starting the stirrer, and adjusting the rotating speed of the stirrer to 30 revolutions per minute;
3) adding polyethylene glycol 400 #;
4) slowly adding hydroxyethyl cellulose;
5) adding citric acid;
6) adding 2-hydroxyphosphonoacetic acid;
7) adding hydroxyethylidene diphosphonic acid;
8) adding a maleic acid-acrylic acid copolymer;
9) adding isothiazolinone;
10) adding dodecyl dimethyl benzyl ammonium chloride;
11) adding sodium dimethyldithiocarbamate;
12) adding methyl benzotriazole;
13) coconut oil fatty acid diethanolamide;
14) adding the rest deionized water in the formula, adjusting the stirring speed of the stirrer to 60-80 rpm, and continuously stirring for 40-60 minutes;
15) and standing for 20-30 minutes to obtain the industrial water treatment integrated agent of the reverse osmosis system.
The following examples further illustrate specific embodiments of the present invention, but are not intended to limit the scope of the invention to the examples.
Specifically, the method comprises the following steps: the specific formula of the reverse osmosis system industrial water treatment integrated agent in the embodiment 1-3 is shown in the table
Table one:
| serial number | Item | Example 1 (%) | Example 2 (%) | Example 3 (%) |
| 1 | Polyethylene glycol 400# | 3.5 | 2 | 5 |
| 2 | Hydroxyethyl cellulose | 0.3 | 0.1 | 0.5 |
| 3 | Citric acid | 4 | 5 | 2 |
| 4 | Isothiazolinone | 5 | 8 | 2 |
| 5 | Dimethyldithiocarbamate sodium salt | 5 | 8 | 2 |
| 6 | Dodecyl dimethyl benzyl ammonium chloride | 2 | 1 | 3 |
| 7 | 2-hydroxyphosphonoacetic acid | 5 | 2 | 8 |
| 8 | Methyl benzotriazole | 1 | 1.5 | 0.5 |
| 9 | Hydroxyethylidene diphosphonic acid | 5 | 2 | 8 |
| 10 | Maleic acid-acrylic acid copolymer | 5 | 8 | 2 |
| 11 | Coconut oil fatty acid diethanolamide | 5 | 8 | 2 |
| 12 | Deionized water. | 59.2 | 54.4 | 65 |
The invention provides an industrial water treatment integrated agent for a reverse osmosis system, which has the following main physical and chemical indexes:
the application method of the industrial water treatment integrated agent for the reverse osmosis system provided by the invention comprises the following steps:
1. the reference addition amount is 50 to 500ppm, and the specific addition amount can be determined according to a stirring test and a productivity test.
2. The special automatic dosing device composed of a dosing tank, a metering pump and the like is directly added, and the dosing amount in unit time can be set for continuous addition.
3. After adding soft water for dilution, the agent is continuously added or periodically added at the inlet of the circulating pump (namely the outlet of the collecting tank and in front of the reverse osmosis membrane) by using a metering pump or by adjusting a valve.
4. Can be manually added once or twice at intervals every week according to the condition of the water quality on site.
Notes in use:
1. direct contact with eyes should be avoided, once contact is made, a large amount of clear water should be used for washing immediately, no delay is caused, and the contact with skin for a long time is not allowed.
2. The product should be stored in a cool place (5-30 ℃) to avoid freezing and insolation.
The second table is a comparison table of detection data of water quality indexes before and after the reverse osmosis system applies the product of the invention
Watch two
TABLE III is a comparison table of the performance of the reverse osmosis system before and after the product of the invention is applied
Watch III
| Serial number | Detecting items | Before application | Example 1 | Example 2 | Example 3 | Detection standard |
| 1 | Flow rate | 59.6 | 67.5 | 62.6 | 65.3 | Flow rate is high |
| 2 | Pressure difference before RO membrane cleaning | 2.1 | 1 | 1.5 | 1.8 | The pressure difference is small |
As can be seen from the second and third tables, the industrial water treatment integrated agent for the reverse osmosis system provided by the invention has the advantages that through comparison of data before and after use, all detection data reach the national standard, and are obviously better than those before use. Among them, the industrial water treatment integrated agent for reverse osmosis system in the formulation of example 1 is the most effective in comparison of the flow rate and the differential pressure before RO membrane cleaning. The reverse osmosis system industrial water treatment integrated agent prepared by the embodiment of the invention has reasonable components, the preparation method is simple and easy to operate, the cost is low, the product has the advantages of wide application range, wide effective pH value range, low accounting cost, good synergistic effect, convenient use, stable effect, safety, environmental protection, no residue and the like, the sterilization, cleaning, corrosion inhibition and scale inhibition are completed in one step, the water yield and the water quality are improved, the pressure difference is reduced, the operation time of the membrane is prolonged, and the reverse osmosis system industrial water treatment integrated agent is suitable for an industrial circulating cooling water system and a reverse osmosis membrane water treatment system.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The industrial water treatment integrated agent for the reverse osmosis system is characterized by being used for integrated treatment of sterilization, cleaning, corrosion inhibition and scale inhibition on a water body at the front end of the reverse osmosis system, and comprising the following components in percentage by weight:
2.0 to 5.5 percent of dispersant,
7 to 24 percent of bactericide,
2.5 to 9.5 percent of corrosion inhibitor,
4 to 16 percent of scale inhibitor,
2 to 5 percent of cleaning agent,
the balance being deionized water.
2. The reverse osmosis system industrial water treatment integrated agent according to claim 1, wherein: the dispersing agent is a mixture of polyethylene glycol and hydroxyethyl cellulose.
3. A reverse osmosis system industrial water treatment integrated agent according to claim 1, wherein the bactericide is a mixture of citric acid, isothiazolinone, sodium dimethyldithiocarbamate and dodecyl dimethyl benzyl ammonium chloride; wherein the polyethylene glycol is polyethylene glycol 400 #.
4. The reverse osmosis system industrial water treatment integrated agent according to claim 1, wherein: the cleanser is coconut oil fatty acid diethanolamide.
5. The reverse osmosis system industrial water treatment integrated agent according to claim 1, wherein: the corrosion inhibitor is a mixture of 2-hydroxyphosphonoacetic acid and methylbenzotriazole.
6. The reverse osmosis system industrial water treatment integrated agent according to claim 1, wherein: the scale inhibitor is a mixture of hydroxyethylidene diphosphonic acid and maleic acid-acrylic acid copolymer.
7. The reverse osmosis system industrial water treatment integrated agent according to claim 1, which is prepared from the following components in percentage by weight:
2 to 5 percent of polyethylene glycol 400#,
0.1 to 0.5 percent of hydroxyethyl cellulose,
2 to 5 percent of citric acid,
2 to 8 percent of isothiazolinone,
2 to 8 percent of sodium dimethyldithiocarbamate,
1 to 3 percent of dodecyl dimethyl benzyl ammonium chloride,
2-8 percent of 2-hydroxyphosphonoacetic acid,
0.5 to 1.5 percent of methyl benzotriazole,
2 to 8 percent of hydroxyl ethylidene diphosphonic acid,
2 to 8 percent of maleic acid-acrylic acid copolymer,
coconut oil fatty acid diethanolamide 2-8 wt%,
the balance being deionized water.
8. The preparation method of the reverse osmosis system industrial water treatment integrated agent according to one of claims 1 to 7, characterized by comprising the following steps:
1) pumping quantitative deionized water from the sterile water tank to a stainless steel stirring tank by a pump;
2) starting the stirrer, and adjusting the rotating speed of the stirrer to 30 revolutions per minute;
3) adding polyethylene glycol 400 #;
4) slowly adding hydroxyethyl cellulose;
5) adding citric acid;
6) adding 2-hydroxyphosphonoacetic acid;
7) adding hydroxyethylidene diphosphonic acid;
8) adding a maleic acid-acrylic acid copolymer;
9) adding isothiazolinone;
10) adding dodecyl dimethyl benzyl ammonium chloride;
11) adding sodium dimethyldithiocarbamate;
12) adding methyl benzotriazole;
13) coconut oil fatty acid diethanolamide;
14) adding the rest deionized water in the formula, adjusting the stirring speed of the stirrer to 60-80 rpm, and continuously stirring for 40-60 minutes;
15) and standing for 20-30 minutes to obtain the industrial water treatment integrated agent of the reverse osmosis system.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113603240A (en) * | 2021-08-16 | 2021-11-05 | 广西桂润环保科技有限公司 | RO (reverse osmosis) membrane scale inhibitor for brewing wastewater and application thereof |
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| CN102010078A (en) * | 2010-11-29 | 2011-04-13 | 河北省科学院能源研究所 | Reverse osmosis scale inhibitor |
| CN108408925A (en) * | 2018-03-20 | 2018-08-17 | 鄂尔多斯市瀚博科技有限公司 | A kind of without phosphorus composite slow-corrosion scale resistor |
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| CN102010078A (en) * | 2010-11-29 | 2011-04-13 | 河北省科学院能源研究所 | Reverse osmosis scale inhibitor |
| CN108408925A (en) * | 2018-03-20 | 2018-08-17 | 鄂尔多斯市瀚博科技有限公司 | A kind of without phosphorus composite slow-corrosion scale resistor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113603240A (en) * | 2021-08-16 | 2021-11-05 | 广西桂润环保科技有限公司 | RO (reverse osmosis) membrane scale inhibitor for brewing wastewater and application thereof |
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