CN110510727A - A method of utilizing ultraviolet oxidation sodium sulfite degradating organic dye - Google Patents
A method of utilizing ultraviolet oxidation sodium sulfite degradating organic dye Download PDFInfo
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- CN110510727A CN110510727A CN201910856809.7A CN201910856809A CN110510727A CN 110510727 A CN110510727 A CN 110510727A CN 201910856809 A CN201910856809 A CN 201910856809A CN 110510727 A CN110510727 A CN 110510727A
- Authority
- CN
- China
- Prior art keywords
- naphthol
- sodium sulfite
- orange beta
- waste water
- organic dye
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 title claims abstract description 70
- 235000010265 sodium sulphite Nutrition 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000003647 oxidation Effects 0.000 title claims abstract description 11
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 11
- JWAZRIHNYRIHIV-UHFFFAOYSA-N 2-naphthol Chemical compound C1=CC=CC2=CC(O)=CC=C21 JWAZRIHNYRIHIV-UHFFFAOYSA-N 0.000 claims abstract description 92
- 229950011260 betanaphthol Drugs 0.000 claims abstract description 46
- 239000000975 dye Substances 0.000 claims abstract description 22
- 239000002351 wastewater Substances 0.000 claims abstract description 16
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 16
- 229910052753 mercury Inorganic materials 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 230000002687 intercalation Effects 0.000 claims description 7
- 238000009830 intercalation Methods 0.000 claims description 7
- 239000012295 chemical reaction liquid Substances 0.000 claims description 4
- 238000013019 agitation Methods 0.000 claims description 3
- 230000015556 catabolic process Effects 0.000 abstract description 24
- 238000006731 degradation reaction Methods 0.000 abstract description 24
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000004065 wastewater treatment Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 27
- 239000012153 distilled water Substances 0.000 description 14
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 239000011550 stock solution Substances 0.000 description 12
- 238000004043 dyeing Methods 0.000 description 9
- 230000010355 oscillation Effects 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 238000002835 absorbance Methods 0.000 description 3
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000002798 spectrophotometry method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 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 description 1
- 241001465754 Metazoa Species 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011953 bioanalysis Methods 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000010919 dye waste Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 231100000219 mutagenic Toxicity 0.000 description 1
- 230000003505 mutagenic effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 238000000870 ultraviolet spectroscopy Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/308—Dyes; Colorants; Fluorescent agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry
Abstract
The invention discloses a kind of methods using ultraviolet oxidation sodium sulfite degradating organic dye, belong to dye wastewater treatment field.Using the system degradating organic dye orange beta-naphthol of ultraviolet oxidation sodium sulfite, and degradation rate highest condition is had found on the basis of many experiments.Final experiment show this method can effective degradating organic dye orange beta-naphthol, degradation rate is up to 92%.With the waste water of method processing orange beta-naphthol containing organic dyestuff of the invention, materials small investment, good waste water treatment effect, speed is fast, has good social and economic benefit.
Description
Technical field
The present invention relates to a kind of methods using ultraviolet oxidation sodium sulfite degradating organic dye orange beta-naphthol, belong to organic
Dye wastewater treatment technology field.
Background technique
In recent years, the dyeing in China enters quick developing stage, and China becomes scale in world's dyeing industry
Maximum country.With the development of dyeing industry, the discharge of dyeing waste water is growing day by day.According to incomplete investigation, world's dyestuff is produced per year
About 700,000 tons of amount or more, the DYE PRODUCTION amount in China is more than 150,000 tons, wherein about 10% or more dyestuff is direct with waste water
It is discharged into water body.Dyeing waste water contains the organic matter of high concentration, will cause oxygen in water and largely consumes, and causes raw in water
Object can not normal growth.And most organic matters make parent, such as benzene, naphthalene, anthracene with enomosphore, these organic matters are difficult to be gone
It removes, carcinogenic and mutagenic risk can be had to human body and animals and plants by being discharged into environment, will also result in water environment and soil environment
A degree of harm.Requirement with the increasingly strict and people of environmental law regulation to quality of water environment increasingly improves,
The improvement of dyeing waste water is very urgent and significant.
Dyeing waste water is with change of water quality is big, coloration is big, quantity is big, water temperature water is big, pH value changes greatly, content of organics
The features such as height, complicated component, conventional process has been unable to meet increasingly strict emission request, as bioanalysis needs to occupy greatly
It measures soil and cost requirements is high；The discharge standard of physical method treated sewage is extremely difficult to national regulation；Chemical Treatment has
Machine object waste water is relatively high and is also easy to produce secondary pollution.
Summary of the invention
In view of the problems of the existing technology, it is an object of that present invention to provide a kind of effective, cheap and easy to get, environmentally protective
The biodegrading process of organic dyestuff.
To achieve the purpose of the present invention, the technical solution adopted by the present invention is that: it is a kind of utilize ultraviolet oxidation sodium sulfite
The method of degradating organic dye includes the following steps: that sodium sulfite is added in the waste water containing organic dyestuff, in 25 ± 2 DEG C
Under, magnetic agitation, ultraviolet light.
Further, after sodium sulfite being added in the waste water of Yu Hanyou organic dyestuff, the pH value of reaction solution is adjusted to 6.
Further, the organic dyestuff is orange beta-naphthol.
Further, in molar ratio, sodium sulfite: orange beta-naphthol=50-300:1.Further, in molar ratio, sulfurous
Sour sodium: orange beta-naphthol=100:1.
Further, the ultraviolet light will be low using launch wavelength in the low pressure mercury lamp of the 253.7nm of ultra-violet (UV) band
In pressure mercury lamp intercalation reaction liquid.Further, the low pressure mercury lamp selects lamp tube type low pressure mercury lamp.
Further, the initial concentration for adjusting orange beta-naphthol in waste water is 8-21 μm of ol/L.
The beneficial effects of the present invention are:
1) of the invention, light source has screened low pressure mercury lamp type, safer in practical applications, has good economic effect
Benefit.
2) of the invention, the mistake that organic dyestuff orange beta-naphthol is degraded in ultraviolet light-sulphite system is explored by laboratory
Journey, using high-level oxidation technology, organic dye waste water by ultraviolet degradation containing orange beta-naphthol, by ultraviolet light to sulphite
The living radical that oxidation generates degrades to orange beta-naphthol, has good Significance for Environment.
3) of the invention, using chemical oxidation method, using sodium sulfite as oxidant, by mercury lamp intercalation reaction liquid in reaction
Center contacts it sufficiently with reaction solution, and final orange beta-naphthol degradation rate is up to 92%.Contain engine dyeing with method processing of the invention
Expect the waste water of orange beta-naphthol, materials small investment, good waste water treatment effect, speed is fast, has good social and economic benefit.
Detailed description of the invention
Fig. 1 is influence of the pH value to degradation efficiency.
Fig. 2 is influence of the concentration of sodium sulfite to degradation efficiency.
Fig. 3 is influence of the initial concentration to degradation efficiency.
Specific embodiment
For a further understanding of the present invention, the preferred embodiment of the invention is described below with reference to embodiment, still
It should be appreciated that these descriptions are only further explanation the features and advantages of the present invention, rather than to the claims in the present invention
Limitation.
A kind of method using ultraviolet oxidation sodium sulfite degradating organic dye orange beta-naphthol of embodiment 1
The initial concentration that method includes the following steps: to adjust orange beta-naphthol in waste water is 8.-21 μm of ol/L, and Yu Hanyou has engine dyeing
Expect that sodium sulfite is added in the waste water of orange beta-naphthol, with the sulfuric acid of the sodium hydroxide of 0.25M or 0.25M adjust the pH value of reaction solution to
6, at 25 ± 2 DEG C, magnetic agitation, by lamp tube type low pressure mercury lamp intercalation reaction liquid, ultraviolet light.
In molar ratio, sodium sulfite: orange beta-naphthol=50-300:1, it is preferred that sodium sulfite: orange beta-naphthol=100:1.
The lamp tube type low pressure mercury lamp uses the low pressure mercury lamp of 253.7nm of the launch wavelength in ultra-violet (UV) band.
(1) influence of the pH value to degradation efficiency
1) 0.0731g orange beta-naphthol is accurately weighed in beaker, and 100mL volumetric flask is transferred to after adding distilled water to be completely dissolved,
With distilled water constant volume, oscillation is shaken up, and obtains the orange beta-naphthol stock solution of 2.088mmol/L.
2) 9.4530g sodium sulfite is accurately weighed in beaker, and 100mL capacity is transferred to after adding distilled water to be completely dissolved
Bottle, with distilled water constant volume, oscillation is shaken up, and obtains the sodium sulfite stock solution of 0.75mol/L.
3) it takes orange beta-naphthol stock solution 2.5mL, 696 μ L of sodium sulfite stock solution in 250mL volumetric flask with liquid-transfering gun, distills
Water constant volume, oscillation shake up.
4) circulation water dispenser is adjusted to 25 DEG C in advance, after temperature reach requirement and it is steady after, by mixed liquor obtained by step 3)
It pours into reactor, the initial pH value that reaction solution is adjusted with the sodium hydroxide of 0.25M or the sulfuric acid of 0.25M is 3,5,6,8,9, will
Lamp tube type low pressure mercury lamp intercalation reaction liquid center.Period will be stirred continuously to guarantee that reaction is full and uniform.It is taken after reaction 40min
Sample.The absorbance for being measured orange beta-naphthol in sample at 484nm wavelength using UV-VIS spectrophotometry (DT-2000), is calculated
The concentration of orange beta-naphthol draws the curve that orange beta-naphthol degradation rate changes with initial pH value.Initial pH value is obtained to orange beta-naphthol degradation rate
Influence, as shown in Figure 1.
As seen from Figure 1, degradation rate with pH from 3 be raised to 5 when, have faint reduction, but when pH is raised to 6, degradation rate is maximum；
When being gradually raised to 9 by 8 with pH, degradation takes the lead in increasing after reducing.But when pH is 6, degradation rate is preferably up to 92%, so excellent
Recruiting and saving PH is 6.
(2) influence of the concentration of sodium sulfite to degradation efficiency
1) 0.0731g orange beta-naphthol is accurately weighed in beaker, and 100mL volumetric flask is transferred to after adding distilled water to be completely dissolved,
With distilled water constant volume, oscillation is shaken up, and obtains the orange beta-naphthol stock solution of 2.088mmol/L.
2) 9.4530g sodium sulfite is accurately weighed in beaker, and 100mL capacity is transferred to after adding distilled water to be completely dissolved
Bottle, with distilled water constant volume, oscillation is shaken up, and obtains the sodium sulfite stock solution of 0.75mol/L.
3) with liquid-transfering gun take orange beta-naphthol stock solution 2.5mL, respectively take 348 μ L of sodium sulfite stock solution, 696 μ L, 1044 μ L,
In 250mL volumetric flask, distilled water constant volume, oscillation is shaken up by 1392 μ L, 2088 μ L.At this time in mixed liquor, orange beta-naphthol concentration is
20.88 μm of ol/L, concentration of sodium sulfite are 1044 μm of ol/L, 2088 μm of ol/L, 3132 μm of ol/L, 4176 μm of ol/L, 6264 μ
mol/L。
4) circulation water dispenser is adjusted to 25 DEG C in advance, after temperature reach requirement and it is steady after, by mixed liquor obtained by step 3)
It pours into reactor, the initial pH value that reaction solution is adjusted with the sodium hydroxide of 0.25M or the sulfuric acid of 0.25M is 6, and lamp tube type is low
Pressure mercury lamp intercalation reaction liquid center.Period will be stirred continuously to guarantee that reaction is full and uniform.It is sampled after reaction 40min.Using purple
Outside-visible spectrophotometry (DT-2000) measures the absorbance of orange beta-naphthol in sample at 484nm wavelength, calculates orange beta-naphthol
Concentration draws the curve that orange beta-naphthol degradation rate changes with sodium sulfite additional amount, obtains sodium sulfite additional amount and drops to orange beta-naphthol
The influence of solution rate, as shown in Figure 2.
From Figure 2 it can be seen that degradation rate reduces afterwards as the raising of sodium sulfite first increases, and when molar ratio is 100:1, degradation
Rate is preferably up to 92%.It is 100:1. it is advantageous to molar ratio
(3) influence of the initial concentration to degradation efficiency
1) 0.0731g orange beta-naphthol is accurately weighed in beaker, and 100mL volumetric flask is transferred to after adding distilled water to be completely dissolved,
With distilled water constant volume, oscillation is shaken up, and obtains the orange beta-naphthol stock solution of 2.088mmol/L.
2) 9.4530g sodium sulfite is accurately weighed in beaker, and 100mL capacity is transferred to after adding distilled water to be completely dissolved
Bottle, with distilled water constant volume, oscillation is shaken up, and obtains the sodium sulfite stock solution of 0.75mol/L.
3) orange beta-naphthol stock solution 1mL, 1.5mL, 2mL, 2.5mL are taken with liquid-transfering gun respectively, 696 μ L of sodium sulfite stock solution in
In 250mL volumetric flask, with distilled water constant volume, oscillation is shaken up.At this time in mixed liquor, orange beta-naphthol concentration be respectively 8.352 μm of ol/L,
12.528 μm of ol/L, 16.704 μm of ol/L and 20.88 μm of ol/L, concentration of sodium sulfite are 2088 μm of ol/L.
4) circulation water dispenser is adjusted to 25 DEG C in advance, after temperature reach requirement and it is steady after, by mixed liquor obtained by step 3)
It pours into reactor, the initial pH value that reaction solution is adjusted with the sodium hydroxide of 0.25M or the sulfuric acid of 0.25M is 6, and lamp tube type is low
Pressure mercury lamp intercalation reaction liquid center.Period will be stirred continuously to guarantee that reaction is full and uniform.It is sampled after reaction 40min.Using purple
Outside-visible spectrophotometry (DT-2000) measures the absorbance of orange beta-naphthol in sample at 484nm wavelength, calculates orange beta-naphthol
Concentration draws orange beta-naphthol initial concentration to the influence curve of degradation rate, obtains orange beta-naphthol initial concentration to orange beta-naphthol degradation rate
It influences, as shown in Figure 3.
As seen from Figure 3, degradation rate increases with the raising of initial concentration, when initial concentration is 20.88 μm of ol/L, degradation rate
Preferably up to 92%.As seen from the figure, degradation rate increase trend does not reduce, it is contemplated that material price and environmentally protective equal shadows
It rings, is 20.88 μm of ol/L it is advantageous to initial concentration.
Claims (8)
1. a kind of method using ultraviolet oxidation sodium sulfite degradating organic dye, characterized by the following steps: in
Sodium sulfite is added in waste water containing organic dyestuff, at 25 ± 2 DEG C, magnetic agitation, ultraviolet light.
2. according to the method described in claim 1, it is characterized by: sodium sulfite is added in the waste water containing organic dyestuff
Afterwards, the pH value of reaction solution is adjusted to 6.
3. method according to claim 1 or 2, it is characterised in that: the organic dyestuff is orange beta-naphthol.
4. according to the method described in claim 3, it is characterized by: in molar ratio, sodium sulfite: orange beta-naphthol=50-300:1.
5. according to the method described in claim 4, it is characterized by: in molar ratio, sodium sulfite: orange beta-naphthol=100:1.
6. according to the method described in claim 3, it is characterized by: the ultraviolet light, using launch wavelength in ultra-violet (UV) band
253.7nm low pressure mercury lamp, will be in low pressure mercury lamp intercalation reaction liquid.
7. according to the method described in claim 6, it is characterized by: the low pressure mercury lamp selects lamp tube type low pressure mercury lamp.
8. according to the method described in claim 3, it is characterized by: the initial concentration for adjusting orange beta-naphthol in waste water is 8-21 μ
mol/L。
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| CN201910856809.7A CN110510727A (en) | 2019-09-11 | 2019-09-11 | A method of utilizing ultraviolet oxidation sodium sulfite degradating organic dye |
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| CN201910856809.7A CN110510727A (en) | 2019-09-11 | 2019-09-11 | A method of utilizing ultraviolet oxidation sodium sulfite degradating organic dye |
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ID=68630439
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111808751A (en) * | 2020-06-10 | 2020-10-23 | 广州市东鹏食品饮料有限公司 | Microorganism, preparation method thereof and application thereof in organic wastewater treatment |
| CN112624259A (en) * | 2020-12-20 | 2021-04-09 | 中国科学院南京土壤研究所 | Method for removing diethyl phthalate in water by utilizing sulfite light |
| CN114772812A (en) * | 2022-04-20 | 2022-07-22 | 武汉理工大学 | Method for degrading chloramphenicol based on ultraviolet/sulfite system |
| CN115477447A (en) * | 2022-10-10 | 2022-12-16 | 江苏科易达环保科技股份有限公司 | Method and device for enhancing detoxification and efficiency improvement of azo dye wastewater through hydrolytic acidification coupling |
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Cited By (5)
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| CN111808751A (en) * | 2020-06-10 | 2020-10-23 | 广州市东鹏食品饮料有限公司 | Microorganism, preparation method thereof and application thereof in organic wastewater treatment |
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| CN114772812A (en) * | 2022-04-20 | 2022-07-22 | 武汉理工大学 | Method for degrading chloramphenicol based on ultraviolet/sulfite system |
| CN115477447A (en) * | 2022-10-10 | 2022-12-16 | 江苏科易达环保科技股份有限公司 | Method and device for enhancing detoxification and efficiency improvement of azo dye wastewater through hydrolytic acidification coupling |
| CN115477447B (en) * | 2022-10-10 | 2023-10-27 | 江苏科易达环保科技股份有限公司 | Hydrolysis acidification coupling strengthening azo dye wastewater detoxification synergistic method and device |
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