CN103498163A - Environment-friendly seawater corrosion inhibitor containing plant extracts and preparation method for environment-friendly seawater corrosion inhibitor - Google Patents
Environment-friendly seawater corrosion inhibitor containing plant extracts and preparation method for environment-friendly seawater corrosion inhibitor Download PDFInfo
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- CN103498163A CN103498163A CN201310483919.6A CN201310483919A CN103498163A CN 103498163 A CN103498163 A CN 103498163A CN 201310483919 A CN201310483919 A CN 201310483919A CN 103498163 A CN103498163 A CN 103498163A
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- corrosion inhibitor
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- sea water
- agricultural crop
- extract
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- 230000007797 corrosion Effects 0.000 title claims abstract description 52
- 238000005260 corrosion Methods 0.000 title claims abstract description 52
- 239000013535 sea water Substances 0.000 title claims abstract description 39
- 239000003112 inhibitor Substances 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000000419 plant extract Substances 0.000 title abstract 2
- TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 claims abstract description 10
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 10
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims abstract description 10
- 229960001763 zinc sulfate Drugs 0.000 claims abstract description 10
- 229910000368 zinc sulfate Inorganic materials 0.000 claims abstract description 10
- VLCAYQIMSMPEBW-UHFFFAOYSA-N methyl 3-hydroxy-2-methylidenebutanoate Chemical compound COC(=O)C(=C)C(C)O VLCAYQIMSMPEBW-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims abstract description 4
- 239000000284 extract Substances 0.000 claims description 30
- 239000007787 solid Substances 0.000 claims description 17
- 239000010902 straw Substances 0.000 claims description 17
- 235000020245 plant milk Nutrition 0.000 claims description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- 235000019353 potassium silicate Nutrition 0.000 claims description 9
- 239000008399 tap water Substances 0.000 claims description 9
- 235000020679 tap water Nutrition 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 7
- 235000007164 Oryza sativa Nutrition 0.000 claims description 5
- 235000009566 rice Nutrition 0.000 claims description 5
- 241000209140 Triticum Species 0.000 claims description 3
- 235000021307 Triticum Nutrition 0.000 claims description 3
- 240000008042 Zea mays Species 0.000 claims description 3
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 238000002390 rotary evaporation Methods 0.000 claims description 3
- 238000001291 vacuum drying Methods 0.000 claims description 3
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims description 2
- 239000001913 cellulose Substances 0.000 claims description 2
- 229920002678 cellulose Polymers 0.000 claims description 2
- 235000005822 corn Nutrition 0.000 claims description 2
- 238000007654 immersion Methods 0.000 claims description 2
- 150000007524 organic acids Chemical class 0.000 claims description 2
- -1 organosilane ester Chemical class 0.000 claims description 2
- 240000007594 Oryza sativa Species 0.000 claims 1
- 231100000053 low toxicity Toxicity 0.000 abstract description 2
- 239000008247 solid mixture Substances 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract 2
- 239000004115 Sodium Silicate Substances 0.000 abstract 1
- 235000015393 sodium molybdate Nutrition 0.000 abstract 1
- 239000011684 sodium molybdate Substances 0.000 abstract 1
- 229910052911 sodium silicate Inorganic materials 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 230000005764 inhibitory process Effects 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 241000209094 Oryza Species 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 235000009973 maize Nutrition 0.000 description 1
- 230000028161 membrane depolarization Effects 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910000073 phosphorus hydride Inorganic materials 0.000 description 1
- 235000019600 saltiness Nutrition 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The invention discloses an environment-friendly seawater corrosion inhibitor containing plant extracts and a preparation method for the environment-friendly seawater corrosion inhibitor. The preparation method comprises the following steps of uniformly mixing solid mixture extracted from plants, hydroxyethyl methylacrylate, zinc sulfate, sodium silicate and sodium molybdate; adding running water in the mixture; and uniformly stirring the mixture to obtain the seawater corrosion inhibitor. The seawater corrosion inhibitor has the advantages of high efficiency, low toxicity, low use level and low price.
Description
Technical field
The present invention relates to a kind of environment-friendly type corrosion inhibitor of sea water containing plant milk extract and preparation method thereof.
Background technology
Take NaCl as main electrolytical solution owing to existing in seawater, and be dissolved in a certain amount of oxygen, most metals easy oxygen depolaxization corrosion all in seawater, and wave, splash, flow velocity etc. these be beneficial to the envrionment conditions of oxygen supply, more can promote the cathodic depolarization reaction of oxygen, promote corrosion of metal.Thus, industry and economy have been caused to huge loss, added inhibiter in Seawater metal and alloy thereof are protected to one of effective measures.
Corrosion inhibitor of sea water can stop or slow down seawater effectively to corrosion of metal speed, and easy to use, adding less, instant effect, and cost is low, so neutralization technology has become main anticorrosion means.Corrosion inhibitor of sea water generally adopts organic phosphine system, nitrate, cigarette nitrate, chromic salt, tungstate etc. as main slow-releasing agent system, yet, because the saltiness of seawater is high, the massfraction of corrosion and scaling ion is high, microorganism, mcroorganism are of a great variety, the corrosion mitigating effect of these corrosion inhibitor of sea water is also not obvious or usage quantity is high, and what have even can reach mg/L up to ten thousand.The ecotope of the earth goes from bad to worse, and people have huge dependence to oceanic resources, develops nontoxic, biodegradable environmentally friendly efficient green corrosion inhibitor of sea water, and the inhibiter researcher of China and foreign countries has reached common recognition.
The corrosion inhibitor of sea water effective constituent of the excellent property of extracting from plant can make up the defect that traditional corrosion inhibitor of sea water exists, and the corrosion inhibitor of sea water extracted in plant has efficiently, low toxicity, little, the cheap characteristics of consumption.Therefore, the corrosion inhibitor of sea water of the type will have application prospect widely.
Summary of the invention
The purpose of this invention is to provide a kind of environment-friendly type corrosion inhibitor of sea water containing plant milk extract and preparation method thereof, the present invention adopts following technical scheme to achieve these goals:
A kind of environment-friendly type corrosion inhibitor of sea water containing plant milk extract, it is characterized in that: it is to be made by the raw material of following weight parts:
The solid extract 40-60 of agricultural crop straw
Hydroxyethyl methylacrylate 1-5
Zinc sulfate 5-10
Water glass 1-5
Sodium orthomolybdate 20-40
Tap water 800-1000.
Preferably, the stalk that described agricultural crop straw is paddy rice, corn or wheat.
Preferably, the blended solid thing that the solid extract of described agricultural crop straw is cellulose family, organosilane ester and organic acid.
The preparation method of the solid extract of described agricultural crop straw: get 15g agricultural crop straw sample, after adding 80% ethanol 450 mL and soaking 2h, backflow 2h during 75 ℃ of water-baths, reclaim ethanol, remove ester with sherwood oil, concentrated by rotary evaporation becomes concentrated solution, finally by vacuum-drying, obtains solid extract.
The preparation method of described a kind of environment-friendly type corrosion inhibitor of sea water containing plant milk extract: the solid extract of described weight ratio agricultural crop straw is mixed with hydroxyethyl methylacrylate, zinc sulfate, water glass, Sodium orthomolybdate, add in tap water, stir, make described corrosion inhibitor of sea water.
Beneficial effect of the present invention is:
(1) effective constituent of the present invention is the agricultural crop straw extract, and this raw material is simple and easy to get, cheap, and the preparation method is simple;
(2) inhibiter nontoxic pollution-free of the present invention, can not bring any burden to environment, meets the development trend of green corrosion inhibitor;
(3) environment-friendly type inhibiter provided by the present invention has good corrosion inhibition to metal alloy, and inhibition efficiency reaches as high as 85%;
(4) corrosion inhibitor of sea water addition provided by the invention is that 600mg/L just can effectively suppress the corrosion of metal in medium, and can grow the higher corrosion inhibition of maintenance of upper time.
embodiment:
Below in conjunction with embodiment, the present invention is further described.Content involved in the present invention is not limited only to this six examples.These examples are only listed limited variation with clearer explanation the present invention, do not form the restriction of flesh and blood of the present invention.
Embodiment 1
Preparation comprises the raw material of following weight part containing the environment-friendly type corrosion inhibitor of sea water of plant milk extract:
The solid extract 40 of rice straw
Hydroxyethyl methylacrylate 5
Zinc sulfate 10
Water glass 5
Sodium orthomolybdate 40
Tap water 800.
Concrete preparation method: get 15g rice straw sample, after adding 80% ethanol 450 mL and soaking 2h, during 75 ℃ of water-baths, backflow 2h, reclaim ethanol, with sherwood oil, removes ester, and concentrated by rotary evaporation becomes concentrated solution, finally by vacuum-drying, obtains solid extract; The solid mixture of extraction is mixed with zinc sulfate, water glass, Sodium orthomolybdate, add in tap water, stir, make described corrosion inhibitor of sea water.
Embodiment 2
Preparation comprises the raw material of following weight part containing the environment-friendly type corrosion inhibitor of sea water of plant milk extract:
The solid extract 50 of maize straw
Hydroxyethyl methylacrylate 3
Zinc sulfate 5
Water glass 1
Sodium orthomolybdate 30
Tap water 900.
Concrete preparation method is with embodiment 1.
Embodiment 3
Preparation comprises the raw material of following weight part containing the environment-friendly type corrosion inhibitor of sea water of plant milk extract:
The solid extract 60 of wheat stalk
Hydroxyethyl methylacrylate 1
Zinc sulfate 5
Water glass 1
Sodium orthomolybdate 20
Tap water 1000.
Concrete preparation method is with embodiment 1.
Embodiment 4
Preparation comprises the raw material of following weight part containing the environment-friendly type corrosion inhibitor of sea water of plant milk extract:
The solid extract 60 of rice straw
Hydroxyethyl methylacrylate 1
Zinc sulfate 10
Water glass 1
Sodium orthomolybdate 40
Tap water 1000.
Concrete preparation method is with embodiment 1.
Carry out zero-G test according to GB10124-88 " Uniform Corrosion Method of Laboratory Immersion Test method ", corrosion inhibitor of sea water prepared by above 4 embodiment in natural sea-water to the corrosion inhibition rate of soft steel as following table:
Table 1 embodiment 1
| Density of corrosion inhibitor (mg/L) | Corrosion inhibition rate (%) |
| 0 | -- |
| 100 | 25.6% |
| 200 | 39.3% |
| 400 | 63.5% |
| 600 | 80.1% |
| 800 | 73.8% |
Table 2 embodiment 2
| Density of corrosion inhibitor (mg/L) | Corrosion inhibition rate (%) |
| 0 | -- |
| 100 | 28.2% |
| 200 | 45.3% |
| 400 | 66.4% |
| 600 | 83.7% |
| 800 | 70.2% |
Table 3 embodiment 3
| Density of corrosion inhibitor (mg/L) | Corrosion inhibition rate (%) |
| 0 | -- |
| 100 | 26.7% |
| 200 | 40.2% |
| 400 | 65.8% |
| 600 | 82.6% |
| 800 | 75.9% |
Table 4 embodiment 4
| Density of corrosion inhibitor (mg/L) | Corrosion inhibition rate (%) |
| 0 | -- |
| 100 | 32.6% |
| 200 | 46.9% |
| 400 | 67.4% |
| 600 | 84.2% |
| 800 | 71.8% |
Claims (5)
1. the environment-friendly type corrosion inhibitor of sea water containing plant milk extract, is characterized in that, by the raw material of following weight part, made:
The solid extract 40-60 of agricultural crop straw
Hydroxyethyl methylacrylate 1-5
Zinc sulfate 5-10
Water glass 1-5
Sodium orthomolybdate 20-40
Tap water 800-1000.
2. a kind of environment-friendly type corrosion inhibitor of sea water containing plant milk extract according to claim 1, is characterized in that the stalk that described agricultural crop straw is paddy rice, corn or wheat.
3. a kind of environment-friendly type corrosion inhibitor of sea water containing plant milk extract according to claim 1, is characterized in that the blended solid thing that the solid extract of described agricultural crop straw is cellulose family, organosilane ester and organic acid.
4. a kind of environment-friendly type corrosion inhibitor of sea water containing plant milk extract according to claim 1, it is characterized in that, the preparation method of the solid extract of described agricultural crop straw: get the 15g agricultural crop straw, after adding 80% ethanol 450 mL immersion 2h, backflow 2h during 75 ℃ of water-baths, reclaim ethanol, with sherwood oil, removes ester, concentrated by rotary evaporation becomes concentrated solution, finally by vacuum-drying, obtains solid extract.
5. according to claim 1,2,3 or 4 described a kind of preparation methods that contain the environment-friendly type corrosion inhibitor of sea water of plant milk extract, it is characterized in that, the solid extract of the agricultural crop straw of described weight part is mixed with hydroxyethyl methylacrylate, zinc sulfate, water glass, Sodium orthomolybdate, add in tap water, stir, make described corrosion inhibitor of sea water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310483919.6A CN103498163B (en) | 2013-10-16 | 2013-10-16 | A kind of environment-friendly type corrosion inhibitor of sea water containing plant milk extract and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310483919.6A CN103498163B (en) | 2013-10-16 | 2013-10-16 | A kind of environment-friendly type corrosion inhibitor of sea water containing plant milk extract and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN103498163A true CN103498163A (en) | 2014-01-08 |
| CN103498163B CN103498163B (en) | 2015-08-05 |
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| CN201310483919.6A Active CN103498163B (en) | 2013-10-16 | 2013-10-16 | A kind of environment-friendly type corrosion inhibitor of sea water containing plant milk extract and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106219779A (en) * | 2016-10-13 | 2016-12-14 | 汪培杰 | A kind of composite slow-corrosion scale resistor and its preparation method and application |
| CN106315877A (en) * | 2016-10-13 | 2017-01-11 | 林少忠 | Corrosion and scale inhibitor for oil field as well as preparation method and application of corrosion and scale inhibitor |
| CN107829091A (en) * | 2017-12-22 | 2018-03-23 | 朱玉军 | A kind of environment-friendly type carbon steel corrosion inhibitor and preparation method thereof |
| US11466210B2 (en) | 2019-02-13 | 2022-10-11 | King Fahd University Of Petroleum And Minerals | Biomediated-titanium nanocomposite for corrosion protection |
| CN116815188A (en) * | 2023-07-21 | 2023-09-29 | 深圳大学 | Corrosion inhibitor, preparation method thereof and corrosion inhibition component |
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| RU2289639C1 (en) * | 2005-07-04 | 2006-12-20 | Институт химии Дальневосточного отделения Российской академии наук (статус государственного учреждения) | Process for protecting steel against corrosion |
| CN101967024A (en) * | 2010-06-04 | 2011-02-09 | 内蒙古天晨科技有限责任公司 | Phosphorus-free corrosion and scale inhibitor |
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2013
- 2013-10-16 CN CN201310483919.6A patent/CN103498163B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2289639C1 (en) * | 2005-07-04 | 2006-12-20 | Институт химии Дальневосточного отделения Российской академии наук (статус государственного учреждения) | Process for protecting steel against corrosion |
| CN101967024A (en) * | 2010-06-04 | 2011-02-09 | 内蒙古天晨科技有限责任公司 | Phosphorus-free corrosion and scale inhibitor |
Non-Patent Citations (1)
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106219779A (en) * | 2016-10-13 | 2016-12-14 | 汪培杰 | A kind of composite slow-corrosion scale resistor and its preparation method and application |
| CN106315877A (en) * | 2016-10-13 | 2017-01-11 | 林少忠 | Corrosion and scale inhibitor for oil field as well as preparation method and application of corrosion and scale inhibitor |
| CN107829091A (en) * | 2017-12-22 | 2018-03-23 | 朱玉军 | A kind of environment-friendly type carbon steel corrosion inhibitor and preparation method thereof |
| US11466210B2 (en) | 2019-02-13 | 2022-10-11 | King Fahd University Of Petroleum And Minerals | Biomediated-titanium nanocomposite for corrosion protection |
| CN116815188A (en) * | 2023-07-21 | 2023-09-29 | 深圳大学 | Corrosion inhibitor, preparation method thereof and corrosion inhibition component |
| CN116815188B (en) * | 2023-07-21 | 2024-05-28 | 深圳大学 | Corrosion inhibitor, preparation method thereof and corrosion inhibition component |
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| CN103498163B (en) | 2015-08-05 |
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Effective date of registration: 20221209 Address after: 230088 Floor 1, Building 4, No. 1666, Ningxi Road, High tech Zone, Hefei, Anhui Patentee after: Hefei Huaqing High tech Surface Technology Co.,Ltd. Address before: No. 8, North 3rd Road, Electromechanical Industrial Park, Yulan Avenue, High tech Zone, Hefei, Anhui 230088 Patentee before: Hefei Huaqing Metal Surface Treatment Co.,Ltd. |
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