CN101830588B - Materialization processing method of chemical wastewater containing amino modified siloxane polymers - Google Patents
Materialization processing method of chemical wastewater containing amino modified siloxane polymers Download PDFInfo
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- CN101830588B CN101830588B CN2010101616243A CN201010161624A CN101830588B CN 101830588 B CN101830588 B CN 101830588B CN 2010101616243 A CN2010101616243 A CN 2010101616243A CN 201010161624 A CN201010161624 A CN 201010161624A CN 101830588 B CN101830588 B CN 101830588B
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- Prior art keywords
- modified siloxane
- amino modified
- siloxane polymers
- fenton
- mass percent
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- 239000002351 wastewater Substances 0.000 title claims abstract description 43
- 229920000642 polymer Polymers 0.000 title claims abstract description 42
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 title claims abstract description 40
- 239000000126 substance Substances 0.000 title claims abstract description 30
- 238000003672 processing method Methods 0.000 title abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 34
- 238000006243 chemical reaction Methods 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 20
- 229910017112 Fe—C Inorganic materials 0.000 claims abstract description 17
- 238000005728 strengthening Methods 0.000 claims abstract description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 48
- 238000003756 stirring Methods 0.000 claims description 32
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- 238000004088 simulation Methods 0.000 claims description 16
- 239000008399 tap water Substances 0.000 claims description 16
- 235000020679 tap water Nutrition 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 13
- 230000001143 conditioned effect Effects 0.000 claims description 8
- 230000008021 deposition Effects 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- QMQXDJATSGGYDR-UHFFFAOYSA-N methylidyneiron Chemical compound [C].[Fe] QMQXDJATSGGYDR-UHFFFAOYSA-N 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 8
- 230000003068 static effect Effects 0.000 claims description 8
- 238000007254 oxidation reaction Methods 0.000 abstract description 8
- 230000015556 catabolic process Effects 0.000 abstract description 3
- 238000006731 degradation reaction Methods 0.000 abstract description 3
- 230000000593 degrading effect Effects 0.000 abstract description 2
- 238000012668 chain scission Methods 0.000 abstract 2
- 239000005416 organic matter Substances 0.000 abstract 2
- 238000012691 depolymerization reaction Methods 0.000 abstract 1
- 229920002521 macromolecule Polymers 0.000 abstract 1
- 238000007781 pre-processing Methods 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 description 5
- -1 amido silicon Chemical compound 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004530 micro-emulsion Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000003335 steric effect Effects 0.000 description 1
- 238000009284 supercritical water oxidation Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000009279 wet oxidation reaction Methods 0.000 description 1
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- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a materialization processing method of chemical wastewater containing amino modified siloxane polymers, comprising the following steps of: preparing water in a distribution reservoir and regulating acidity; carrying out chain-scission degradation on a macromolecular organic matter in a Fe-C micro-electrolysis reactor according to the principle of micro-electrolysis degradation; carrying out external circulated preprocessing by utilizing a Fenton reaction tank to strengthen the processes of polymer chain scission and depolymerization reaction; degrading macromolecules in the wastewater into a micromolecular organic matter through a Fenton strengthening Fe-C micro-electrolysis technique so as to improve the subsequent biochemical processing performance. The inventioncan rapidly and effectively degrade the amino modified siloxane polymers in wastewater by adopting the Fenton strengthening Fe-C micro-electrolysis technique according to the high-grade oxidization mechanism of hydroxyl radicals. The materialization processing method of chemical wastewater containing amino modified siloxane polymers in the invention has the advantages of low cost, high efficiencyand the like.
Description
Technical field
The present invention relates to a kind of materilization freatment method that contains the amino modified siloxane polymers wastewater from chemical industry.This method can be degraded to small organic molecule or exhaustive oxidation and remove effectively with amino modified siloxane polymers chain rupture and depolymerization through the oxidation mechanism of electrochemistry and radical, is applicable to that height gathers the processing and the pre-treatment of organic wastewater with difficult degradation thereby.
Background technology
Amino modified siloxane polymers is commonly called as amido silicon oil, is the organic silicon surfactant of one type of excellence, in China's organosilicon production, occupies very big proportion, has been widely used in industries such as after-finishing of textile products, daily cosmetics, leather, papermaking, coating.The side chain of amino modified siloxane polymers is longer, is main with the tertiary carbon structure, and tangible steric effect is arranged; And amino modified siloxane polymers belongs to high polymer, exists with the micro emulsion form in the practical application, therefore is difficult to utilized by mikrobe.Produce or use in the amino modified siloxane polymers of discharge of wastewater; Because it is difficult to for the mikrobe utilization and has surface active properties; Can cause serious pollution to surrounding environment, therefore effectively amido silicon oil waste water physical chemistry Study on Processing Methods seems very urgent and necessary.
The treatment process that contains the amino modified siloxane polymers wastewater from chemical industry at present mainly contains two types: traditional physical methods such as coagulating sedimentation, air-dissolving air-float; Advanced oxidization methods such as chemical oxidization method, electrochemical oxidation process, supercritical water oxidation method, photocatalytic oxidation, wet oxidation process.The physical treatment method can only be removed the part organic pollutant in the waste water simply, and organism does not have DeR and takes place, and can not improve the biodegradability of waste water.Though the chemical oxidation technology can be removed organism effectively, improves the biodegradability of waste water, there are shortcomings such as working cost height, control and management difficulty are big.Therefore with low cost and can effectively remove the research of the materilization freatment method that contains the amino modified siloxane polymers wastewater from chemical industry and the exploitation of technology has very important value and significance.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, a kind of materilization freatment method that contains the amino modified siloxane polymers wastewater from chemical industry is provided, step is following:
1) waste water configuration:
Pour the 1L tap water in the distributing trough into, turn on agitator, the adjusting rotating speed is 100r/min; Add the concentrated amino modified siloxane polymers that contains of 8～30g while stirring; Add the 1L tap water again after continuing to stir 30min, stir, the use mass percent is 50% H
2SO
4Solution or mass percent be 40% NaOH solution to regulate pH be 2～4, what obtain CODcr concentration and be 1000～6000mg/L contains amino modified siloxane polymers simulation wastewater from chemical industry;
2) the little electrolysis treatment section of Fe-C:
The simulation wastewater from chemical industry is through the flow water inlet 6min of water pump with 20L/h; With mass ratio is the micro-electrolysis reaction groove of packing into after 1: 2～2: 1 iron filings and gac mixes; The volume 1L of iron carbon mixture, control solid-liquid volume ratio is 1: 2, static reaction 60～120min;
3) Fenton strengthening segment:
Water outlet after the micro-electrolysis reaction groove is handled gets into the Fenton reactive tank through water pump, and the use mass percent is 50% H
2SO
4Solution or mass percent be 40% NaOH solution to regulate Fenton reaction system pH be 2～4, add the FeSO of 1.0～6.0g
47H
2O, turn on agitator, rotating speed is 250r/min, the mass percent that adds 2～15mL is 30% H
2O
2Solution, reaction 60～120min; Suspend and stir, continue pH to 8～10 of conditioned reaction system, deposition, water outlet.
The present invention adopts Fenton to strengthen Fe-C micro electrolysis tech, the fast and effeciently amino modified siloxane polymers in the degrading waste water according to the advanced oxidation principle of hydroxyl radical free radical.Amino modified siloxane polymers physico-chemical pretreatment technological method provided by the invention has advantages such as cost is low, efficient is high, effective.
Description of drawings
Accompanying drawing is the process flow sheet to amino modified siloxane polymers physico-chemical pretreatment technological method.
Embodiment
The materilization freatment method step that contains the amino modified siloxane polymers wastewater from chemical industry is following:
1) waste water configuration:
Pour the 1L tap water in the distributing trough into, turn on agitator, the adjusting rotating speed is 100r/min; Add the concentrated amino modified siloxane polymers that contains of 8～30g while stirring; Add the 1L tap water again after continuing to stir 30min, stir, the use mass percent is 50% H
2SO
4Solution or mass percent be 40% NaOH solution to regulate pH be 2～4, what obtain CODcr concentration and be 1000～6000mg/L contains amino modified siloxane polymers simulation wastewater from chemical industry;
2) the little electrolysis treatment section of Fe-C:
The simulation wastewater from chemical industry is through the flow water inlet 6min of water pump with 20L/h; With mass ratio is the micro-electrolysis reaction groove of packing into after 1: 2～2: 1 iron filings and gac mixes; The volume 1L of iron carbon mixture, control solid-liquid volume ratio is 1: 2, static reaction 60～120min;
3) Fenton strengthening segment:
Water outlet after the micro-electrolysis reaction groove is handled gets into the Fenton reactive tank through water pump, and the use mass percent is 50% H
2SO
4Solution or mass percent be 40% NaOH solution to regulate Fenton reaction system pH be 2～4, add the FeSO of 1.0～6.0g
47H
2O, turn on agitator, rotating speed is 250r/min, the mass percent that adds 2～15mL is 30% H
2O
2Solution, reaction 60～120min; Suspend and stir, continue pH to 8～10 of conditioned reaction system, deposition, water outlet.
Embodiment 1
1) waste water configuration:
Pour the 1L tap water in the distributing trough into, turn on agitator, the adjusting rotating speed is 100r/min, adds the concentrated amino modified siloxane polymers that contains of 8g while stirring, adds the 1L tap water again after continuing to stir 30min, stirs, the use mass percent is 50% H
2SO
4Solution or mass percent be 40% NaOH solution to regulate pH be 2.17, CODcr concentration be 1560mg/L contain amino modified siloxane polymers simulation wastewater from chemical industry;
2) the little electrolysis treatment section of Fe-C:
The simulation wastewater from chemical industry with the flow of 20L/h water inlet 6min, is the micro-electrolysis reaction groove of packing into after 1: 2 iron filings mix with gac through water pump with mass ratio, the volume 1L of iron carbon mixture, and controlling the solid-liquid volume ratio is 1: 2, static reaction 60min;
3) Fenton strengthening segment:
Water outlet after the micro-electrolysis reaction groove is handled gets into the Fenton reactive tank through water pump, and the use mass percent is 50% H
2SO
4Solution or mass percent be 40% NaOH solution to regulate Fenton reaction system pH be 2.09, add the FeSO of 1.12g
47H
2O, turn on agitator, rotating speed is 250r/min, the mass percent that adds 4.8mL is 30% H
2O
2Solution, reaction 60min; Suspend and stir, continue the pH to 9.3 of conditioned reaction system, deposition, water outlet.
Through the processing of step 1～3, amino modified siloxane polymers is effectively removed, and the little electrolysis water outlet of Fe-C COD is 652mg/L, and Fenton reactive tank water outlet COD is 435mg/L, and it is 79% that the COD of total system removes efficient.
Embodiment 2
1) waste water configuration:
Pour the 1L tap water in the distributing trough into, turn on agitator, the adjusting rotating speed is 100r/min, adds the concentrated amino modified siloxane polymers that contains of 8g while stirring, adds the 1L tap water again after continuing to stir 30min, stirs, the use mass percent is 50% H
2SO
4Solution or mass percent be 40% NaOH solution to regulate pH be 3.2, CODcr concentration be 1560mg/L contain amino modified siloxane polymers simulation wastewater from chemical industry;
2) the little electrolysis treatment section of Fe-C:
The simulation wastewater from chemical industry with the flow of 20L/h water inlet 6min, is the micro-electrolysis reaction groove of packing into after 1: 1 iron filings mix with gac through water pump with mass ratio, the volume 1L of iron carbon mixture, and controlling the solid-liquid volume ratio is 1: 2, static reaction 60min;
3) Fenton strengthening segment:
Water outlet after the micro-electrolysis reaction groove is handled gets into the Fenton reactive tank through water pump, and the use mass percent is 50% H
2SO
4Solution or mass percent be 40% NaOH solution to regulate Fenton reaction system pH be 3.02, add the FeSO of 1.12g
47H
2O, turn on agitator, rotating speed is 250r/min, the mass percent that adds 4.8mL is 30% H
2O
2Solution, reaction 60min; Suspend and stir, continue the pH to 8.7 of conditioned reaction system, deposition, water outlet.
Through the processing of step 1～3, amino modified siloxane polymers is effectively removed, and the little electrolysis water outlet of Fe-C COD is 781mg/L, and Fenton reactive tank water outlet COD is 519mg/L, and it is 67% that the COD of total system removes efficient.
Embodiment 3
1) waste water configuration:
Pour the 1L tap water in the distributing trough into, turn on agitator, the adjusting rotating speed is 100r/min, adds the concentrated amino modified siloxane polymers that contains of 16g while stirring, adds the 1L tap water again after continuing to stir 30min, stirs, the use mass percent is 50% H
2SO
4Solution or mass percent be 40% NaOH solution to regulate pH be 2.08, CODcr concentration be 3036mg/L contain amino modified siloxane polymers simulation wastewater from chemical industry;
2) the little electrolysis treatment section of Fe-C:
The simulation wastewater from chemical industry with the flow of 20L/h water inlet 6min, is the micro-electrolysis reaction groove of packing into after 1: 1 iron filings mix with gac through water pump with mass ratio, the volume 1L of iron carbon mixture, and controlling the solid-liquid volume ratio is 1: 2, static reaction 90min;
3) Fenton strengthening segment:
Water outlet after the micro-electrolysis reaction groove is handled gets into the Fenton reactive tank through water pump, and the use mass percent is 50% H
2SO
4Solution or mass percent be 40% NaOH solution to regulate Fenton reaction system pH be 2.38, add the FeSO of 3.88g
47H
2O, turn on agitator, rotating speed is 250r/min, the mass percent that adds 9.6mL is 30% H
2O
2Solution, reaction 90min; Suspend and stir, continue the pH to 8.9 of conditioned reaction system, deposition, water outlet.
Through the processing of step 1～3, amino modified siloxane polymers is effectively removed, and the little electrolysis water outlet of Fe-C COD is 1845mg/L, and Fenton reactive tank water outlet COD is 509mg/L, and it is 83% that the COD of total system removes efficient.
Embodiment 4
1) waste water configuration:
Pour the 1L tap water in the distributing trough into, turn on agitator, the adjusting rotating speed is 100r/min, adds the concentrated amino modified siloxane polymers that contains of 16g while stirring, adds the 1L tap water again after continuing to stir 30min, stirs, the use mass percent is 50% H
2SO
4Solution or mass percent be 40% NaOH solution to regulate pH be 3.13, CODcr concentration be 3036mg/L contain amino modified siloxane polymers simulation wastewater from chemical industry;
2) the little electrolysis treatment section of Fe-C:
The simulation wastewater from chemical industry with the flow of 20L/h water inlet 6min, is the micro-electrolysis reaction groove of packing into after 2: 1 iron filings mix with gac through water pump with mass ratio, the volume 1L of iron carbon mixture, and controlling the solid-liquid volume ratio is 1: 2, static reaction 120min;
3) Fenton strengthening segment:
Water outlet after the micro-electrolysis reaction groove is handled gets into the Fenton reactive tank through water pump, and the use mass percent is 50% H
2SO
4Solution or mass percent be 40% NaOH solution to regulate Fenton reaction system pH be 3.01, add the FeSO of 3.88g
47H
2O, turn on agitator, rotating speed is 250r/min, the mass percent that adds 9.6mL is 30% H
2O
2Solution, reaction 120min; Suspend and stir, continue the pH to 9.3 of conditioned reaction system, deposition, water outlet.
Through the processing of step 1～3, amino modified siloxane polymers is effectively removed, and the little electrolysis water outlet of Fe-C COD is 2013mg/L, and Fenton reactive tank water outlet COD is 790mg/L, and it is 73% that the COD of total system removes efficient.
Embodiment 5
1) waste water configuration:
Pour the 1L tap water in the distributing trough into, turn on agitator, the adjusting rotating speed is 100r/min, adds the concentrated amino modified siloxane polymers that contains of 30g while stirring, adds the 1L tap water again after continuing to stir 30min, stirs, the use mass percent is 50% H
2SO
4Solution or mass percent be 40% NaOH solution to regulate pH be 2.13, what obtain CODcr concentration and be 4946mg/L contains amino modified siloxane polymers simulation wastewater from chemical industry;
2) the little electrolysis treatment section of Fe-C:
The simulation wastewater from chemical industry with the flow of 20L/h water inlet 6min, is the micro-electrolysis reaction groove of packing into after 1: 1 iron filings mix with gac through water pump with mass ratio, the volume 1L of iron carbon mixture, and controlling the solid-liquid volume ratio is 1: 2, static reaction 90min;
3) Fenton strengthening segment:
Water outlet after the micro-electrolysis reaction groove is handled gets into the Fenton reactive tank through water pump, and the use mass percent is 50% H
2SO
4Solution or mass percent be 40% NaOH solution to regulate Fenton reaction system pH be 2.05, add the FeSO of 3.88g
47H
2O, turn on agitator, rotating speed is 250r/min, the mass percent that adds 9.6mL is 30% H
2O
2Solution, reaction 90min; Suspend and stir, continue the pH to 9.34 of conditioned reaction system, deposition, water outlet.
Through the processing of step 1～3, amino modified siloxane polymers is effectively removed, and the little electrolysis water outlet of Fe-C COD is 3091mg/L, and Fenton reactive tank water outlet COD is 1530mg/L, and it is 69% that the COD of total system removes efficient.
Claims (1)
1. a materilization freatment method that contains the amino modified siloxane polymers wastewater from chemical industry is characterized in that comprising the steps:
1) waste water configuration:
Pour the 1L tap water in the distributing trough into, turn on agitator, the adjusting rotating speed is 100r/min; Add the concentrated amino modified siloxane polymers that contains of 8～30g while stirring; Add the 1L tap water again after continuing to stir 30min, stir, the use mass percent is 50% H
2SO
4Solution or mass percent be 40% NaOH solution to regulate pH be 2～4, what obtain CODcr concentration and be 1000～6000mg/L contains amino modified siloxane polymers simulation wastewater from chemical industry;
2) the little electrolysis treatment section of Fe-C:
The simulation wastewater from chemical industry is through the flow water inlet 6min of water pump with 20L/h; With mass ratio is the micro-electrolysis reaction groove of packing into after 1: 2～2: 1 iron filings and gac mixes; The volume 1L of iron carbon mixture, control solid-liquid volume ratio is 1: 2, static reaction 60～120min;
3) Fenton strengthening segment:
Water outlet after the micro-electrolysis reaction groove is handled gets into the Fenton reactive tank through water pump, and the use mass percent is 50% H
2SO
4Solution or mass percent be 40% NaOH solution to regulate Fenton reaction system pH be 2～4, add the FeSO of 1.0～6.0g
47H
2O, turn on agitator, rotating speed is 250r/min, the mass percent that adds 2～15mL is 30% H
2O
2Solution, reaction 60～120min; Suspend and stir, continue pH to 8～10 of conditioned reaction system, deposition, water outlet.
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| CN2010101616243A CN101830588B (en) | 2010-04-30 | 2010-04-30 | Materialization processing method of chemical wastewater containing amino modified siloxane polymers |
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| CN101830588A CN101830588A (en) | 2010-09-15 |
| CN101830588B true CN101830588B (en) | 2012-07-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102060355A (en) * | 2010-11-11 | 2011-05-18 | 华南理工大学 | Method for processing heavy-metal complexed wastewater through Fenton reinforced iron-chip internal electrolysis process |
| CN102557288B (en) * | 2010-12-07 | 2014-08-06 | 上海洗霸科技股份有限公司 | Pulping and papermaking wastewater processing technology |
| CN103145274B (en) * | 2013-03-15 | 2014-06-25 | 中北大学 | Method and device for treating wastewater by advanced oxidation process |
| CN106430743B (en) * | 2016-12-23 | 2023-04-25 | 唐山三友硅业有限责任公司 | Device and method for treating organic silicon wastewater |
| CN106946387A (en) * | 2017-05-08 | 2017-07-14 | 青岛瑞华集团有限公司 | Sewage water treatment method and system |
| CN108191005B (en) * | 2018-02-01 | 2021-12-28 | 桐乡市易清环保科技有限公司 | Preparation method of modified iron-carbon electrolysis micro-nano structure and sewage treatment method |
| CN109019857A (en) * | 2018-09-30 | 2018-12-18 | 常州工程职业技术学院 | A method of for reducing siloxane concentrations in sludge sewage |
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| WO2005087939A1 (en) * | 2004-03-11 | 2005-09-22 | Wacker Chemie Ag | Method for effecting the anaerobic biological decomposition of organosiloxanes |
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