CN103980989B - A kind of technique utilizing petrochemical industry alkali refining waste water to produce semi-synthetic emulsion cutting fluid stoste - Google Patents
A kind of technique utilizing petrochemical industry alkali refining waste water to produce semi-synthetic emulsion cutting fluid stoste Download PDFInfo
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- CN103980989B CN103980989B CN201410134246.8A CN201410134246A CN103980989B CN 103980989 B CN103980989 B CN 103980989B CN 201410134246 A CN201410134246 A CN 201410134246A CN 103980989 B CN103980989 B CN 103980989B
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- 239000000839 emulsion Substances 0.000 title claims abstract description 39
- 239000002173 cutting fluid Substances 0.000 title claims abstract description 37
- 239000002351 wastewater Substances 0.000 title claims abstract description 35
- 238000009874 alkali refining Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000000203 mixture Substances 0.000 claims abstract description 34
- 238000011084 recovery Methods 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 29
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000002253 acid Substances 0.000 claims abstract description 19
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 18
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims abstract description 14
- 239000011734 sodium Substances 0.000 claims abstract description 14
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 14
- HNNQYHFROJDYHQ-UHFFFAOYSA-N 3-(4-ethylcyclohexyl)propanoic acid 3-(3-ethylcyclopentyl)propanoic acid Chemical compound CCC1CCC(CCC(O)=O)C1.CCC1CCC(CCC(O)=O)CC1 HNNQYHFROJDYHQ-UHFFFAOYSA-N 0.000 claims abstract description 13
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims abstract description 13
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims abstract description 13
- 238000003756 stirring Methods 0.000 claims abstract description 13
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims abstract description 8
- NWGKJDSIEKMTRX-MDZDMXLPSA-N Sorbitan oleate Chemical compound CCCCCCCC\C=C\CCCCCCCC(=O)OCC(O)C1OCC(O)C1O NWGKJDSIEKMTRX-MDZDMXLPSA-N 0.000 claims abstract description 4
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229920002545 silicone oil Polymers 0.000 claims abstract description 4
- WSFQLUVWDKCYSW-UHFFFAOYSA-M sodium;2-hydroxy-3-morpholin-4-ylpropane-1-sulfonate Chemical compound [Na+].[O-]S(=O)(=O)CC(O)CN1CCOCC1 WSFQLUVWDKCYSW-UHFFFAOYSA-M 0.000 claims abstract description 4
- 229960004418 trolamine Drugs 0.000 claims abstract description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 10
- 238000004321 preservation Methods 0.000 claims description 8
- WKEDVNSFRWHDNR-UHFFFAOYSA-N salicylanilide Chemical class OC1=CC=CC=C1C(=O)NC1=CC=CC=C1 WKEDVNSFRWHDNR-UHFFFAOYSA-N 0.000 claims description 7
- 239000000243 solution Substances 0.000 claims description 7
- 239000004615 ingredient Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 230000007935 neutral effect Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 5
- 239000003899 bactericide agent Substances 0.000 claims description 4
- 239000012267 brine Substances 0.000 claims description 4
- 230000015556 catabolic process Effects 0.000 claims description 4
- 238000004945 emulsification Methods 0.000 claims description 4
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 4
- 235000011152 sodium sulphate Nutrition 0.000 claims description 4
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 4
- 238000013022 venting Methods 0.000 claims description 4
- 238000010792 warming Methods 0.000 claims description 4
- 229950000975 salicylanilide Drugs 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 22
- 238000007670 refining Methods 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
- 239000003085 diluting agent Substances 0.000 description 3
- 230000001804 emulsifying effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 239000003995 emulsifying agent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000004530 micro-emulsion Substances 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- RRLOOYQHUHGIRJ-UHFFFAOYSA-M sodium;ethyl sulfate Chemical compound [Na+].CCOS([O-])(=O)=O RRLOOYQHUHGIRJ-UHFFFAOYSA-M 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 235000011149 sulphuric acid Nutrition 0.000 description 2
- 239000001117 sulphuric acid Substances 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- QKZIVVMOMKTVIK-UHFFFAOYSA-M anilinomethanesulfonate Chemical compound [O-]S(=O)(=O)CNC1=CC=CC=C1 QKZIVVMOMKTVIK-UHFFFAOYSA-M 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 239000013538 functional additive Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000007764 o/w emulsion Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
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- Lubricants (AREA)
Abstract
The invention discloses a kind of technique utilizing petrochemical industry alkali refining waste water to produce semi-synthetic emulsion cutting fluid stoste, comprising: step one, by petrochemical industry alkali refining waste water through process, obtain containing sulfonic acid, naphthenic acid, acid sulfate recovery mixture, for subsequent use; Step 2, recovery mixture is heated to 60 DEG C, adds sodium hydroxide solution while stirring to material pH value 9 ~ 10; Then the trolamine reaction of described recovery mixture quality 2 ~ 3% is added; Add the zinc naphthenate of the sodium sulfonate of described recovery mixture quality 7%, described recovery mixture quality 3 ~ 3.5% more successively, the sterilant of the ethanol of described recovery mixture quality 2 ~ 3%, the sorbester p17 of described recovery mixture quality 5%, the silicone oil of described recovery mixture quality 0.2% and described recovery mixture quality 0.5 ~ 2% is added after stirring, react after 1.1 hours, obtain semi-synthetic emulsion cutting fluid stoste.The present invention successfully develops the semi-synthetic emulsion cutting fluid of the rust-proof type with premium properties, and product cost is low, excellent property.
Description
Technical field
The present invention relates to the production field of emulsion cutting fluid, particularly, the present invention relates to the technique that a kind of petrochemical industry alkali refining waste water produces semi-synthetic emulsion cutting fluid stoste.
Background technology
At present, many asphaltic base readymade oils refine source mill, refining readymade oil technique is generally produced with soda acid technique, the vitriol oil being 98% with concentration is sloughed in material containing S, N, O compound and heavy aromatics component isopolarity material, sour oil after refining with sodium hydroxide solution neutralisation of sulphuric acid again, a large amount of acid sludge produced in production process and petrochemical industry alkali refining waste water.And most readymade oil refinery, small scale, technical force falls behind, and without sewage disposal means and equipment, could not power process alkali waste water, so the row's of stealing phenomenon is serious, causes pollution to environment.
Summary of the invention
Technical problem to be solved by this invention is to provide the technique that a kind of petrochemical industry alkali refining waste water produces semi-synthetic emulsion cutting fluid stoste, present invention process utilizes the petrochemical industry alkali refining waste water discharged in refining readymade oil, successfully develop the semi-synthetic emulsion cutting fluid of the rust-proof type with premium properties, product cost is low, excellent property.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of technique utilizing petrochemical industry alkali refining waste water to produce semi-synthetic emulsion cutting fluid stoste,
Step one, by the three-step approach process of petrochemical industry alkali refining waste water through ethanolic extraction, sulfuric acid acidation, material dewatering, obtain containing sulfonic acid, naphthenic acid, acid sulfate recovery mixture, the major ingredient as semi-synthetic emulsion cutting fluid stoste is for subsequent use;
Step 2, the recovery mixture described step one obtained are heated to 60 DEG C, add while stirring massfraction be 30% sodium hydroxide solution to material pH value between 9 ~ 10; Then the trolamine adding described recovery mixture quality 2 ~ 3% reacts 30 ~ 60 minutes, the transparent shape of reacting rear material; Add the zinc naphthenate of the sodium sulfonate of described recovery mixture quality 7%, described recovery mixture quality 3 ~ 3.5% more successively, the N-phenylsalicylamide series bactericidal agent of the ethanol of described recovery mixture quality 2 ~ 3%, the sorbester p17 of described recovery mixture quality 5%, the silicone oil of described recovery mixture quality 0.2% and described recovery mixture quality 0.5 ~ 2% is added after stirring, react after 1.1 hours, obtain red-brown transparence uniform liquid, i.e. semi-synthetic emulsion cutting fluid stoste of the present invention.
Described N-phenylsalicylamide series bactericidal agent is N-phenylsalicylamide.
In technique scheme, in described step one, described three-step approach process petrochemical industry alkali refining waste water comprises the following steps successively:
Steps A, ethanolic extraction: petrochemical industry alkali refining waste water is pumped into reactor, be heated to 60 DEG C, and add the ethanol relative to described material in reactor quality 5%, to stir after 15 minutes heat preservation settlement 4 ~ 8 hours, after top neutral oil is separated out, extract top oil reservoir out;
Step B, sulfuric acid acidation: the material in described reactor is warming up to 70 DEG C again, delay and add H
2sO
4adjustment material pH value is to 4.5-6.5; Heat preservation settlement 8 ~ 12 hours, the petrochemical industry alkali refining waste water breakdown of emulsion layering now in emulsification shape, the brine layer of venting lower floor contains sodium sulfate, top obtains the compound containing sulfonic acid, naphthenic acid, acid sulfate that water content is 4% ~ 6%;
Step C, material dewatering: the compound suction vacuum hydro-extraction still that described step B is obtained, be heated to 80 DEG C, dewater 15 ~ 30 minutes under the vacuum tightness of 740mmHg, namely obtain the mixture containing sulfonic acid, naphthenic acid, acid sulfate, the major ingredient as semi-synthetic emulsion cutting fluid stoste is for subsequent use.
The present invention also provides a kind of semi-synthetic emulsion cutting fluid stoste, and this semi-synthetic emulsion cutting fluid stoste adopts above-mentioned technique to prepare.
The form that ethanol of the present invention is all 85% ethanolic soln with massfraction adds.
" petrochemical industry alkali refining waste water " of the present invention refers to and adopts soda acid technique to refine the petrochemical industry alkali refining waste water discharged in readymade oil process.
Described " soda acid technique refines readymade oil ", the vitriol oil that to refer to concentration be 98% is sloughed in readymade oil containing S, N, O compound and heavy aromatics component isopolarity material, sour oil after refining with sodium hydroxide solution neutralisation of sulphuric acid again, then remain in soap class in oil and moisture content with bleaching earth adsorption.A large amount of acid sludge that can produce in this production process and petrochemical industry alkali refining waste water.
Compared with prior art, the present invention has following beneficial effect:
(1) the present inventor has carried out comprehensive analysis to petrochemical industry alkali refining waste water, (in material moisture about 30%, neutral oil about 20%, sodium sulfonate, sodium napthionate, acid sulfate sodium about 50%) find that wherein sodium sulfonate, sodium napthionate, sodium sulfovinate are the starting material that oil in water emulsion is good.Through ethanolic extraction neutral oil, the techniques such as sulfuric acid acidation material, dehydration, are extracted sulfonic acid, the mixed solution of naphthenic acid and acid sulfate, be equipped with functional additive again and successfully develop the semi-synthetic emulsion cutting fluid of the rust-proof type with premium properties, product cost is low, excellent property.
(2) technique that the present invention produces semi-synthetic emulsion cutting fluid stoste on the one hand make use of discarded petrochemical industry alkali refining waste water, alleviates environmental stress; Adopt present invention process to utilize petrochemical industry alkali refining waste water to produce semi-synthetic emulsion cutting fluid stoste on the other hand, decrease the use of mineral oil, decrease the waste of resource, significant to environment.
(3) sodium sulfonate, sodium napthionate is rich in the semi-synthetic emulsion cutting fluid stoste product that the present invention produces, there is excellent emulsifying property, rust-preventing characteristic, substantially reduce the number the consumption of rust-inhibiting additive and emulsifying agent, long-term storage is not stratified, in product application, have excellent rust-preventing characteristic to workpiece, oilness, cleansing power are strong, work-ing life is 3 times of commercially available prod.Diluent (this diluent obtains after referring to cutting fluid stoste dilution the present invention prepared by the Dilution ratio of 1:30) Central Plains liquid hold-up only has 1/3 of commercially available prod, owing to substantially not containing Dormant oils in product, so can be applicable to the operating mode of micro-emulsion cutting fluid, product stability is high, and life cycle is long.
Embodiment
In order to understand content of the present invention better, be described further below in conjunction with specific embodiment.Should be understood that these embodiments only for the present invention is further described, and be not used in and limit the scope of the invention.In addition should be understood that, after having read content of the present invention, person skilled in art makes some nonessential change or adjustment to the present invention, still belongs to protection scope of the present invention.
Embodiment 1 utilizes petrochemical industry alkali refining waste water to make the method reclaiming mixture:
The petrochemical industry alkali refining waste water collected is opened stirring through pump suction by the reactor of heat-conducting oil heating, be heated to 60 DEG C, and add the ethanol (ethanol adds with the solution form of massfraction 85%) of 5% of relatively described petrochemical industry alkali refining waste water quality of material, to stir after 15 minutes heat preservation settlement 4 ~ 8 hours, after top neutral oil is separated out, extract top oil reservoir out.
Leftover materials in reactor are warming up to 70 DEG C again, delay and add appropriate H
2sO
4adjustment material pH value to 6.Heat preservation settlement 8 ~ 12 hours, petrochemical industry alkali refining waste water breakdown of emulsion layering now in emulsification shape, the brine layer (decontaminated water device art breading separately) of the contains sodium sulfate that venting lower floor is closely limpid, top obtains the compound containing sulfonic acid, naphthenic acid, acid sulfate that water content is about 5%.
By above-mentioned compound suction vacuum hydro-extraction still, be heated to 80 DEG C, dewater 15 ~ 30 minutes under the vacuum tightness of 740mmHg, obtain the recovery mixture containing sulfonic acid, naphthenic acid, acid sulfate, the major ingredient as semi-synthetic emulsion cutting fluid stoste is for subsequent use.
Embodiment 2 adopts recovery mixture to produce semi-synthetic emulsion cutting fluid stoste
Recovery mixture 100kg embodiment 1 prepared is heated to 60 DEG C, add while stirring massfraction be 30% sodium hydroxide solution to material pH value between 9 ~ 10 sodium sulfonate, sodium napthionate, the sodium sulfovinate with well emulsify and rust-preventing characteristic (sulfonic acid, naphthenic acid, acid sulfate are converted into) then add the trolamine reaction of 2 ~ 3kg after 30 ~ 60 minutes, the now transparent shape of material; Then 7kg sodium sulfonate, 3 ~ 3.5kg zinc naphthenate is added successively, 2 ~ 3kg ethanol, 5kg sorbester p17 is added after stirring, add 0.2kg silicone oil and 0.5 ~ 2kg N-phenylsalicylamide class again, react 1.1 hours, sample to obtain red-brown transparence uniform liquid, be the semi-synthetic emulsion cutting fluid stoste of the present invention.
In embodiment 2, described ethanol adds with the ethanol solutions of 85% massfraction.
Product property:
Sodium sulfonate, sodium napthionate is rich in the semi-synthetic emulsion cutting fluid stoste of product of the present invention, so have excellent emulsifying property, rust-preventing characteristic, substantially reduce the number the consumption of rust-inhibiting additive and emulsifying agent, long-term storage is not stratified, has excellent rust-preventing characteristic, oilness in product application to workpiece, cleansing power is strong, and work-ing life is 3 times of commercially available prod.The features such as diluent (extension rate 1:30) Central Plains liquid hold-up only has 1/3 of commercially available prod, and owing to substantially not containing Dormant oils in product, so can be applicable to the operating mode of micro-emulsion cutting fluid, product stability is high, and life cycle is long.
Product quality indicator:
| Project | Quality index |
| Outward appearance: | The translucent uniform liquid of red-brown |
| Spumescence: (24 DEG C ± 2) | ＜1ml |
| Perviousness: | ＜60s |
| Corrosion: normal temperature 48 hours | Steel disc nondiscoloration |
| PH value: | 8～10 |
| Oil reservoir: | Vestige |
This product can be applied to: cutting, rolling, draw thin, stretching, spinning, wire drawing.
When this product uses it is to be noted that due to product component molecular weight bigger than normal, so during preparation emulsion, emulsifying rate is comparatively slow, and winter prepares emulsion cutting fluid and uses warm water.
As mentioned above, just the present invention can be realized preferably.
Claims (5)
1. utilize petrochemical industry alkali refining waste water to produce a technique for semi-synthetic emulsion cutting fluid stoste, it is characterized in that,
Step one, by the three-step approach process of petrochemical industry alkali refining waste water through ethanolic extraction, sulfuric acid acidation, material dewatering, obtain containing sulfonic acid, naphthenic acid, acid sulfate recovery mixture, the major ingredient as semi-synthetic emulsion cutting fluid stoste is for subsequent use;
Step 2, the recovery mixture described step one obtained are heated to 60 DEG C, add while stirring massfraction be 30% sodium hydroxide solution to material pH value between 9 ~ 10; Then the trolamine adding described recovery mixture quality 2 ~ 3% reacts 30 ~ 60 minutes, the transparent shape of reacting rear material; Add the zinc naphthenate of the sodium sulfonate of described recovery mixture quality 7%, described recovery mixture quality 3 ~ 3.5% more successively, the N-phenylsalicylamide series bactericidal agent of the ethanol of described recovery mixture quality 2 ~ 3%, the sorbester p17 of described recovery mixture quality 5%, the silicone oil of described recovery mixture quality 0.2% and described recovery mixture quality 0.5 ~ 2% is added after stirring, react after 1.1 hours, obtain red-brown transparence uniform liquid, namely described semi-synthetic emulsion cutting fluid stoste.
2. a kind of technique utilizing petrochemical industry alkali refining waste water to produce semi-synthetic emulsion cutting fluid stoste as claimed in claim 1, it is characterized in that, described N-phenylsalicylamide series bactericidal agent is N-phenylsalicylamide.
3. a kind of technique utilizing petrochemical industry alkali refining waste water to produce semi-synthetic emulsion cutting fluid stoste as claimed in claim 1, it is characterized in that, in described step one, described three-step approach process petrochemical industry alkali refining waste water comprises the following steps successively:
Steps A, ethanolic extraction: petrochemical industry alkali refining waste water is pumped into reactor, be heated to 60 DEG C, and add the ethanol relative to described material in reactor quality 5%, to stir after 15 minutes heat preservation settlement 4 ~ 8 hours, after top neutral oil is separated out, extract top oil reservoir out;
Step B, sulfuric acid acidation: the material in described reactor is warming up to 70 DEG C again, delay and add H
2sO
4adjustment material pH value is to 4.5-6.5; Heat preservation settlement 8 ~ 12 hours, the petrochemical industry alkali refining waste water breakdown of emulsion layering now in emulsification shape, the brine layer of venting lower floor contains sodium sulfate, top obtains the compound containing sulfonic acid, naphthenic acid, acid sulfate that water content is 4% ~ 6%;
Step C, material dewatering: the compound suction vacuum hydro-extraction still that described step B is obtained, be heated to 80 DEG C, dewater 15 ~ 30 minutes under the vacuum tightness of 740mmHg, namely obtain the mixture containing sulfonic acid, naphthenic acid, acid sulfate, the major ingredient as semi-synthetic emulsion cutting fluid stoste is for subsequent use.
4. a semi-synthetic emulsion cutting fluid stoste, is characterized in that, adopts the semi-synthetic emulsion cutting fluid stoste that the technique utilizing petrochemical industry alkali refining waste water to produce semi-synthetic emulsion cutting fluid stoste described in described claim 1-3 any one prepares.
5. the recovery method of a petrochemical industry alkali refining waste water, it is characterized in that, comprise the following steps successively: steps A, ethanolic extraction: petrochemical industry alkali refining waste water is pumped into reactor, be heated to 60 DEG C, and the ethanol added relative to described material in reactor quality 5%, to stir after 15 minutes heat preservation settlement 4 ~ 8 hours, after top neutral oil is separated out, extract top oil reservoir out;
Step B, sulfuric acid acidation: the material in described reactor is warming up to 70 DEG C again, delay and add H
2sO
4adjustment material pH value is to 4.5-6.5; Heat preservation settlement 8 ~ 12 hours, the petrochemical industry alkali refining waste water breakdown of emulsion layering now in emulsification shape, the brine layer of venting lower floor contains sodium sulfate, top obtains the compound containing sulfonic acid, naphthenic acid, acid sulfate that water content is 4% ~ 6%;
Step C, material dewatering: the compound suction vacuum hydro-extraction still that described step B is obtained, be heated to 80 DEG C, dewater 15 ~ 30 minutes under the vacuum tightness of 740mmHg, namely obtain the mixture containing sulfonic acid, naphthenic acid, acid sulfate, the major ingredient as semi-synthetic emulsion cutting fluid stoste is for subsequent use.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1560200A (en) * | 2004-02-17 | 2005-01-05 | 健 杨 | Microemulsion diesel oil produced by petrochemical refining alkali waste water and production process thereof |
| CN1752028A (en) * | 2005-08-05 | 2006-03-29 | 武汉湖工大膜技术开发有限公司 | Treatment method of edible regetable oil and fat processing waste water |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1560200A (en) * | 2004-02-17 | 2005-01-05 | 健 杨 | Microemulsion diesel oil produced by petrochemical refining alkali waste water and production process thereof |
| CN1752028A (en) * | 2005-08-05 | 2006-03-29 | 武汉湖工大膜技术开发有限公司 | Treatment method of edible regetable oil and fat processing waste water |
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