CN106400035A - Acidic degreasing and derusting liquid prepared by utilizing industrial wastewater and preparation method of acidic degreasing and derusting liquid - Google Patents
Acidic degreasing and derusting liquid prepared by utilizing industrial wastewater and preparation method of acidic degreasing and derusting liquid Download PDFInfo
- Publication number
- CN106400035A CN106400035A CN201611007910.8A CN201611007910A CN106400035A CN 106400035 A CN106400035 A CN 106400035A CN 201611007910 A CN201611007910 A CN 201611007910A CN 106400035 A CN106400035 A CN 106400035A
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- CN
- China
- Prior art keywords
- industrial wastewater
- acid
- preparation
- acidic degreasing
- rust removing
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Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/088—Iron or steel solutions containing organic acids
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/04—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors
- C23G1/06—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors
- C23G1/065—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors sulfur-containing compounds
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention discloses acidic degreasing and derusting liquid prepared by utilizing industrial wastewater and a preparation method of the acidic degreasing and derusting liquid. The acidic degreasing and derusting liquid is prepared from the following raw materials in percentage by mass: 0.1% to 0.5% of a corrosion inhibitor, 1% to 5% of a flocculating agent, 1% to 2.5% of a dispersant and the balance industrial wastewater, wherein the main ingredients of the industrial wastewater include one ore more of sulfamic acid, urea, ammonium sulfamate, fatty alcohol polyethenoxy ether sulfamate and fatty alcohol-polyoxyethylene ether, and the balance water; the corrosion inhibitor is selected from one or several of rodine, thiourea, imidazoline, potassium sulfocyanide and cyclic-ethyl diyneoxymethylamine sodium acetate. The acidic degreasing and derusting liquid disclosed by the invention is capable of realizing reutilization of the industrial wastewater, economical and environment-friendly; meanwhile, the acidic degreasing and derusting liquid plays a good degreasing and derusting effect after being added with a certain amount of aid agent, is simple to operate and plays a quite good corrosion inhibition effect on metals.
Description
Technical field
The present invention relates to the technical field of rust removing solution is and in particular to a kind of acid deoiling of utilization industrial wastewater preparation eliminates rust
Liquid and preparation method thereof.
Background technology
At present, more advanced steel surface antirust rust cleaning technology, is substantially using derusting phosphating agent, Phosphating Solution etc.
Technical recipe, forms anticorrosive coat in steel surface.But the shortcoming of above-mentioned technique is to tie by the anticorrosive coat that above-mentioned formula is formed
Structure is shorter than more loose, the effectively antirust time, and its waste water still has certain pollution to environment.
Content of the invention
For overcoming the deficiencies in the prior art, present invention aim to providing a kind of acidity of utilization industrial wastewater preparation
Anti-rusting liquid for removing oil and preparation method thereof, present invention achieves reusing industrial effluent, economic and environment-friendly, simultaneously a certain amount of in interpolation
There is after adjuvant good degreasing and rust removal effect, simple to operate, there is good corrosion mitigating effect to metal.
For realizing this purpose, a kind of acid deoiling rust removing solution of utilization industrial wastewater preparation provided by the present invention, it
Raw material includes corrosion inhibiter 0.1%-0.5%, flocculant 1%-5%, dispersant 1%-2.5% by mass percentage, balance of
Industrial wastewater.
Further, the main component of described industrial wastewater includes sulfamic acid, carbamide, sulfamic acid ammonium salt, fatty alcohol
One of polyoxyethylene ether sulfamate, fatty alcohol-polyoxyethylene ether or multiple, balance of water.
Further, the solid content of described industrial wastewater is 4.63%～44.71%, the wherein percent mass of sulfamic acid
Number content is 3.71%～19.52%.
Further, if described corrosion inhibiter is selected from fourth, thiourea, imidazoline, potassium thiocyanate, ring ethyl diine oxygen methyl amine second
One or more of sour sodium.
Further, described flocculant is selected from citric acid, ethylenediaminetetraacetic acid (EDTA), polyacrylamide, polysilicon acid, gathers
One or more of silicic acid iron sulfate.
Further, described dispersant is selected from disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate, imidazolines phosphate ester, hydroxyl class
One or more of phosphate ester.
The method that the present invention prepares acid deoiling rust removing solution using industrial wastewater, by mass percentage, takes corrosion inhibiter
0.1%-0.5%, flocculant 1%-5%, dispersant 1%-2.5% add in the industrial wastewater of surplus, and mixing at normal temperatures is stirred
Mix uniformly, you can.
Compared with prior art, the invention has the advantages that
First, the anti-rusting liquid for removing oil of the present invention produces the mechanical stripping effect of hydrogen by Acids eat metals, reach oil removing
The purpose of rust cleaning, when metallic iron and acid reaction, produces hydrogen atom first, and a part of hydrogen atom leans on its chemical activity and very strong
Reducing power, the oxide of high price ferrum and high price iron salt is reduced into low price iron oxides and low price iron salt, is dissolved in acid solution.
Second, the sulfamic acid odorless in the present invention, minimum to human toxicity, after acid washing rolled steel, multiple tracks water to be carried out
Wash after washing or neutralizing, carry out next procedure (as table tune, phosphatization or dip-coating fluxing agent etc.) immediately after, centre is long to stop
Stay and all can cause the general rust of steel surface.Corresponding chemical treatment can be carried out so as to the protecting film of Surface Creation thin layer.
Third, the corrosion inhibiter in the present invention can be adsorbed by metal surface, change the electric double layer of metal and solution interface, make hydrogen
Ionic discharge is hindered, so as to isolate acid solution to corrosion of metal, prevents the generation of hydrogen embrittlement.
Fourth, present invention achieves waste water reuse, economic and environment-friendly, prepared anti-rusting liquid for removing oil has to 60 DEG C in room temperature
There is good degreasing and rust removal effect, there is to iron and steel good corrosion mitigating effect.
Specific embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail：
Degreasing and rust removal of the present invention is in a particular embodiment according to GB10124-88《Metal material laboratory homogeneous corrosion is soaked entirely
Test method》Carry out zero-G test.
Embodiment 1：
By mass percentage, take 92.7% industrial wastewater, if adding 0.3% fourth, 5% citric acid and 2% 12
Alkyl diphenyl ether disulphonic acid sodium, fully miscible is anti-rusting liquid for removing oil for homogeneous phase solution.Industrial wastewater main component includes amino
Sulfonic acid, carbamide, sulfamic acid ammonium salt, fatty alcohol-polyoxyethylene ether sulfamate, fatty alcohol-polyoxyethylene ether, balance of water；
Wherein, in industrial wastewater, sulfamic acid content is 3.71%, and solid content is 4.63%.
Steel device to be cleaned is immersed in the anti-rusting liquid for removing oil that above-mentioned configuration completes, according to device corrosion greasy dirt journey
Degree, is suitably warming up to less than 60 DEG C, soaks about 5-30min.
The inhibition efficiency 99% being obtained by experimental test, is shown as efficient anti-rusting liquid for removing oil.
Embodiment 2：
By mass percentage, take 97.9% industrial wastewater add 0.1% thiourea/potassium thiocyanate, 1% EDTA and
1% imidazoline phosphate ester, fully miscible is anti-rusting liquid for removing oil for homogeneous phase solution.The main component of industrial wastewater includes amino sulphur
Acid, carbamide, sulfamic acid ammonium salt, fatty alcohol-polyoxyethylene ether sulfamate, balance of water；Wherein, amino in industrial wastewater
Sulfonic acid content is 19.52%, and solid content is 44.71%.
Steel device to be cleaned is immersed in the anti-rusting liquid for removing oil that above-mentioned configuration completes, according to device corrosion greasy dirt journey
Degree, is suitably warming up to less than 60 DEG C, soaks about 5-30min.
The inhibition efficiency 98% being obtained by experimental test, is shown as efficient anti-rusting liquid for removing oil.
Embodiment 3：
By mass percentage, take 95.3% industrial wastewater, add 0.2% ring ethyl diine oxygen methyl amine sodium acetate,
3% poly-silicic acid iron sulfate and 1.5% Di-phosphorus pentonide, fully miscible are anti-rusting liquid for removing oil for homogeneous phase solution.Industry Waste
Water main component includes sulfamic acid, carbamide, sulfamic acid ammonium salt, balance of water；Wherein, sulfamic acid content in industrial wastewater
For 5.65%, solid content is 15.34%.
Steel device to be cleaned is immersed in the anti-rusting liquid for removing oil that above-mentioned configuration completes, according to device corrosion greasy dirt journey
Degree, is suitably warming up to less than 60 DEG C, soaks about 5-30min.
The inhibition efficiency 98% being obtained by experimental test, is shown as efficient anti-rusting liquid for removing oil.
Embodiment 4：
By mass percentage, 83% industrial wastewater, the thiourea of addition 0.1%, 0.1% imidazoline, 0.3% sulfur are taken
Potassium cyanate, 1% citric acid, 1% polyacrylamide, 3% polysilicon acid, 0.5% imidazolines phosphate ester, the ten of 1%
Dialkyl diphenyl ether sodium disulfonate, 1% hydroxyl kind phosphate ester, fully miscible are anti-rusting liquid for removing oil for homogeneous phase solution.Work
Industry waste water main component includes sulfamic acid, carbamide, balance of water；Wherein, in industrial wastewater, sulfamic acid content is
19.52%, solid content is 44.71%.
Steel device to be cleaned is immersed in the anti-rusting liquid for removing oil that above-mentioned configuration completes, according to device corrosion greasy dirt journey
Degree, is suitably warming up to less than 60 DEG C, soaks about 5-30min.
The inhibition efficiency 99% being obtained by experimental test, is shown as efficient anti-rusting liquid for removing oil.
Embodiment 5：
By mass percentage, take 97.5% industrial wastewater, if add 0.2% fourth, 0.2% thiourea, 0.1%
Ring ethyl diine oxygen methyl amine sodium acetate, 0.5% citric acid, 0.5% ethylenediaminetetraacetic acid, 1% dodecyl hexichol
Ether sodium disulfonate, fully miscible is anti-rusting liquid for removing oil for homogeneous phase solution.Industrial wastewater main component includes sulfamic acid, urine
Element, sulfamic acid ammonium salt, fatty alcohol-polyoxyethylene ether, balance of water；Wherein, in industrial wastewater, sulfamic acid content is
3.71%, solid content is 4.63%.
Steel device to be cleaned is immersed in the anti-rusting liquid for removing oil that above-mentioned configuration completes, according to device corrosion greasy dirt journey
Degree, is suitably warming up to less than 60 DEG C, soaks about 5-30min.
The inhibition efficiency 98% being obtained by experimental test, is shown as efficient anti-rusting liquid for removing oil.
Embodiment 6：
By mass percentage, take 92.1% industrial wastewater, if adding 0.2% fourth, 0.2% ring ethyl diine oxygen first
Base amine sodium acetate, 1% polyacrylamide, 3% polysilicon acid, 1% poly-silicic acid iron sulfate, 0.5% dodecyl hexichol
Ether sodium disulfonate, 1% imidazolines phosphate ester, 1% hydroxyl kind phosphate ester, fully miscible are oil removing for homogeneous phase solution
Rust removing solution.Industrial wastewater main component includes sulfamic acid, carbamide, fatty alcohol-polyoxyethylene ether sulfamate, poly alkyl alcohol
Oxygen vinyl Ether, balance of water；Wherein, in industrial wastewater, sulfamic acid content is 18.6%, and solid content is 32.4%.
Steel device to be cleaned is immersed in the anti-rusting liquid for removing oil that above-mentioned configuration completes, according to device corrosion greasy dirt journey
Degree, is suitably warming up to less than 60 DEG C, soaks about 5-30min.
The inhibition efficiency 99% being obtained by experimental test, is shown as efficient anti-rusting liquid for removing oil.
Embodiment 7：
By mass percentage, take 97.7% industrial wastewater, add 0.05% thiourea, 0.25% potassium thiocyanate,
0.5% citric acid, 0.5% ethylenediaminetetraacetic acid, 0.5% disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate, 0.5% hydroxyl
Kind phosphate ester, fully miscible is anti-rusting liquid for removing oil for homogeneous phase solution.Industrial wastewater main component includes sulfamic acid, amino sulphur
Acid ammonium salt, fatty alcohol-polyoxyethylene ether sulfamate, fatty alcohol-polyoxyethylene ether, balance of water；Wherein, ammonia in industrial wastewater
Base sulfonic acid content is 3.71%, and solid content is 44.71%.
Steel device to be cleaned is immersed in the anti-rusting liquid for removing oil that above-mentioned configuration completes, according to device corrosion greasy dirt journey
Degree, is suitably warming up to less than 60 DEG C, soaks about 5-30min.
The inhibition efficiency 99% being obtained by experimental test, is shown as efficient anti-rusting liquid for removing oil.
Embodiment 8：
By mass percentage, take 89% industrial wastewater, if the fourth of addition 0.1%, 0.1% thiourea, 0.1% imidazoles
Quinoline, 0.2% Ammonium persulfate., 1% citric acid, 2% ethylenediaminetetraacetic acid, 1% polyacrylamide, 4% dichromic acid
Potassium, 1.5% disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate, 0.5% imidazolines phosphate ester, 0.5% hydroxyl kind phosphate ester,
Fully miscible it is anti-rusting liquid for removing oil for homogeneous phase solution.Industrial wastewater main component includes sulfamic acid, carbamide, Ammonium sulfamate
Salt, fatty alcohol-polyoxyethylene ether sulfamate, fatty alcohol-polyoxyethylene ether, balance of water；Wherein, amino sulphur in industrial wastewater
Acid content is 19.52%, and solid content is 44.71%.
Steel device to be cleaned is immersed in the anti-rusting liquid for removing oil that above-mentioned configuration completes, according to device corrosion greasy dirt journey
Degree, is suitably warming up to less than 60 DEG C, soaks about 5-30min.
The inhibition efficiency 99% being obtained by experimental test, is shown as efficient anti-rusting liquid for removing oil.This specification is not made in detail
The content of thin description belongs to prior art known to professional and technical personnel in the field.
Claims (7)
1. a kind of preparation of utilization industrial wastewater acid deoiling rust removing solution it is characterised in that：Its raw material is by mass percentage
Including corrosion inhibiter 0.1%-0.5%, flocculant 1%-5%, dispersant 1%-2.5%, balance of industrial wastewater.
2. utilization industrial wastewater according to claim 1 preparation acid deoiling rust removing solution it is characterised in that：Described industry
The main component of waste water includes sulfamic acid, carbamide, sulfamic acid ammonium salt, fatty alcohol-polyoxyethylene ether sulfamate, fat
One or more of polyoxyethylenated alcohol, balance of water.
3. utilization industrial wastewater according to claim 1 and 2 preparation acid deoiling rust removing solution it is characterised in that：Described
The solid content of industrial wastewater be 4.63%～44.71%, wherein the mass percent content of sulfamic acid be 3.71%～
19.52%.
4. utilization industrial wastewater according to claim 1 preparation acid deoiling rust removing solution it is characterised in that：Described inhibition
If agent is selected from one or more of fourth, thiourea, imidazoline, potassium thiocyanate, ring ethyl diine oxygen methyl amine sodium acetate.
5. utilization industrial wastewater according to claim 1 preparation acid deoiling rust removing solution it is characterised in that：Described flocculation
Agent is selected from one or more of citric acid, ethylenediaminetetraacetic acid, polyacrylamide, polysilicon acid, poly-silicic acid iron sulfate.
6. utilization industrial wastewater according to claim 1 preparation acid deoiling rust removing solution it is characterised in that：Described dispersion
Agent is selected from one or more of disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate, imidazolines phosphate ester, hydroxyl kind phosphate ester.
7. described in a kind of claim 1 utilize industrial wastewater preparation acid deoiling rust removing solution preparation method it is characterised in that：
By mass percentage, corrosion inhibiter 0.1%-0.5%, flocculant 1%-5%, dispersant 1%-2.5% is taken to add the work of surplus
In industry waste water, mixing and stirring at normal temperatures, you can.
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Cited By (3)
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| CN109554717A (en) * | 2018-12-28 | 2019-04-02 | 广州旭淼新材料科技有限公司 | Environmentally friendly Wax removal water of the low bubble of a kind of neutrality and preparation method thereof |
| CN110983347A (en) * | 2019-12-12 | 2020-04-10 | 广东红日星实业有限公司 | Oil and dust removing cleaning agent and preparation method thereof |
| CN115478278A (en) * | 2022-09-26 | 2022-12-16 | 天津国投津能发电有限公司 | Cleaning corrosion inhibitor for aluminum alloy heat exchange tube of seawater desalination device and preparation method thereof |
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| CN115478278A (en) * | 2022-09-26 | 2022-12-16 | 天津国投津能发电有限公司 | Cleaning corrosion inhibitor for aluminum alloy heat exchange tube of seawater desalination device and preparation method thereof |
| CN115478278B (en) * | 2022-09-26 | 2023-12-01 | 天津国投津能发电有限公司 | Cleaning corrosion inhibitor for aluminum alloy heat exchange tube of sea water desalination device and preparation method thereof |
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Denomination of invention: An acidic oil and rust removal solution prepared from industrial wastewater and its preparation method Effective date of registration: 20230627 Granted publication date: 20190806 Pledgee: Bank of China Limited Wuhan Qingshan sub branch Pledgor: WUHAN OXIRAN SPECIALTY CHEMICALS Co. Registration number: Y2023420000252 |
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