CN105565466A - Efficient environment-friendly Fenton's reagent and method thereof for oxidizing and treating nitrobenzene - Google Patents

Efficient environment-friendly Fenton's reagent and method thereof for oxidizing and treating nitrobenzene Download PDF

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Publication number
CN105565466A
CN105565466A CN201610118954.1A CN201610118954A CN105565466A CN 105565466 A CN105565466 A CN 105565466A CN 201610118954 A CN201610118954 A CN 201610118954A CN 105565466 A CN105565466 A CN 105565466A
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CN
China
Prior art keywords
mirbane
fenton reagent
oil
environment friendly
fenton
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.)
Pending
Application number
CN201610118954.1A
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Chinese (zh)
Inventor
李璐璐
孙艳
翟勇
邵志国
苏俊涛
王文文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sunny Environment Development (beijing) Co Ltd
Jilin Design Institute
Original Assignee
Sunny Environment Development (beijing) Co Ltd
Jilin Design Institute
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sunny Environment Development (beijing) Co Ltd, Jilin Design Institute filed Critical Sunny Environment Development (beijing) Co Ltd
Priority to CN201610118954.1A priority Critical patent/CN105565466A/en
Publication of CN105565466A publication Critical patent/CN105565466A/en
Pending legal-status Critical Current

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    • 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
    • C02F1/722—Oxidation by peroxides
    • 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
    • C02F2101/38—Organic compounds containing nitrogen
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00—Use of specific compounds during water treatment
    • C02F2305/02—Specific form of oxidant
    • C02F2305/026—Fenton's reagent

Abstract

The invention discloses an efficient environment-friendly Fenton's reagent and application thereof. Malic acid is edible acid, is environment-friendly without pollution, avoids secondary pollution, high in buffer performance and can prolong the service life of the Fenton's reagent; after pH of the Fenton's reagent is regulated by the malic acid, dosage of the Fenton's reagent can be reduced, thereby realizing the effects of environment protection and resource saving; the Fenton's reagent is used for oxidizing and treating nitrobenzene in a polluted underground water environment, and has the advantages of fast reaction time and good oxidizing effect with a highest value of 99.7%.

Description

The method of high-efficiency environment friendly Fenton reagent and oxide treatment oil of mirbane thereof
Technical field
The present invention relates to chemical technology field, be specifically related to a kind of method of high-efficiency environment friendly Fenton reagent and oxide treatment oil of mirbane thereof.
Background technology
Oil of mirbane is the raw material of organic synthesis, and most important purposes produces aniline dyestuff, or important organic solvent.Oil of mirbane in environment is mainly from the waste water and gas in chemical plant, dye processing plant, and the mishap in storage and transport process also can cause the severe contamination of oil of mirbane.Oil of mirbane has high stability in water.Because its density is greater than water, the oil of mirbane entering water body can sink under water, and remains unchanged for a long time; Again because it has certain solubleness in water, so the water pollution caused can continue considerable time; Oil of mirbane meet naked light, Gao Re or and oxidising agent, have the danger causing combustion explosion; During burning, generate and corrosive fumes poisonous containing oxynitride.Suck, to take in or skin absorbs oil of mirbane personnel all can be caused poisoning, cause breathing hard, dizzy, nauseating, faint, clouded in mind, skin turns blue, finally can the death because of respiratory insufficiency, so very important for the process of pollutent oil of mirbane.
The system that Fenton reagent is made up of ferrous ion and hydrogen peroxide, it can generate the hydroxyl radical free radical of strong oxidizing property, generates organic free radical in aqueous and makes it structure deteriorate, final oxygenolysis with the oil of mirbane of difficult degradation.Hydrogen peroxide content is higher in theory, and the oxidation effectiveness of its p-nitrophenyl is better, but excessive hydrogen peroxide can not significantly improve the oxidation efficiency of oil of mirbane, and can cause the waste of medicine, and the corrodibility of hydrogen peroxide is high, has certain harm to environment.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of method of high-efficiency environment friendly Fenton reagent and oxide treatment oil of mirbane thereof, there is nontoxic, safe, efficient advantage.
For realizing above object, the present invention is achieved by the following technical programs:
High-efficiency environment friendly Fenton reagent, is made up of following material: H 2o 2, Fe 2+, oxysuccinic acid.
Preferably, described Fe 2+from FeSO 47H 2o.
The method of described high-efficiency environment friendly Fenton reagent oxide treatment oil of mirbane, comprises the following steps:
(1), in 250mL Erlenmeyer flask add 70mL water, vibrate 5h in constant temperature oscillation instrument, measures pH, the ferrous iron content of system;
(2), configuration concentration is the nitrobenzene solution of 1500mg/L, gets 70mL in 250mL Erlenmeyer flask, stand for standby use;
(3), by concentration be that the nitrobenzene solution of 1500mg/L is diluted to 500mg/L, add certain proportion H 2o 2with Fe 2+, then add a certain amount of oxysuccinic acid, after reaction for some time, measure the nitro phenenyl concentration of solution.
Preferably, described H 2o 2be 3.6:1 ~ 32.4:1 with the mol ratio of oil of mirbane.
Preferably, described H 2o 2with the mol ratio 7.2 ~ 18:1 of oil of mirbane.
Preferably, described H 2o 2with Fe 2+mol ratio be 1:6 ~ 1:20.
Preferably, described H 2o 2with Fe 2+mol ratio be 1:10 ~ 1:16.
Preferably, described oxysuccinic acid dosage is 1 ~ 20% of the treatment solution scale of construction, and the reaction times is 1 ~ 5 hour.
Beneficial effect of the present invention: in the present invention, oxysuccinic acid is food grade acid, environmentally friendly pollution-free, avoid secondary pollution, the shock-absorbing capacity of oxysuccinic acid is strong, the work-ing life of Fenton reagent can be extended, regulated the pH of Fenton reagent by oxysuccinic acid after, the usage quantity of Fenton reagent can be reduced, thus reach environmental protection, the effect economized on resources, the Fenton in the present invention is applied to the oil of mirbane in oxide treatment polluted underground water environment, it is rapid that it has the reaction times, the advantage that oxide treatment is effective, oxidation effectiveness is up to 99.7%.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1:
High-efficiency environment friendly Fenton reagent, is made up of following material: H 2o 2, FeSO 47H 2o, 10% oxysuccinic acid (volume fraction), wherein H 2o 2, Fe 2+mol ratio be 10:1, H 2o 2be 3.6:1 ~ 32.4:1 with oil of mirbane mol ratio.
The method of described high-efficiency environment friendly Fenton reagent oxide treatment oil of mirbane, comprises the following steps:
(1), in 250mL Erlenmeyer flask add 70mL water, vibrate 5h in constant temperature oscillation instrument, measures pH, the ferrous iron content of system;
(2), configuration concentration is the nitrobenzene solution of 1500mg/L, gets 70mL in 250mL Erlenmeyer flask, stand for standby use;
(3), in the nitrobenzene solution of step (2), H is added in proportion 2o 2, FeSO 47H 2after O, regulation system pH is 4, then adds oxysuccinic acid, and after reaction times 5h, measure the nitro phenenyl concentration of solution, and calculate the clearance of oil of mirbane, result is as table 1.
Experimental result shows: within the specific limits, and hydrogen peroxide content is higher, and the oxidation effectiveness of its p-nitrophenyl is better.
Embodiment 2:
High-efficiency environment friendly Fenton reagent, is made up of following material: H 2o 2, FeSO 47H 2o, 10% oxysuccinic acid (volume fraction), wherein H 2o 2be 7.2:1 ~ 18:1, H with oil of mirbane mol ratio 2o 2, Fe 2+mol ratio be 6:1 ~ 12:1,
The method of described high-efficiency environment friendly Fenton reagent oxide treatment oil of mirbane, comprises the following steps:
(1), in 250mL Erlenmeyer flask add 70mL water, vibrate 5h in constant temperature oscillation instrument, measures pH, the ferrous iron content of system;
(2), configuration concentration is the nitrobenzene solution of 1500mg/L, gets 70mL in 250mL Erlenmeyer flask, stand for standby use;
(3), in the nitrobenzene solution of step (2), H is added in proportion 2o 2, FeSO 47H 2after O, regulation system pH is 4, then adds oxysuccinic acid, and after reaction times 5h, measure the nitro phenenyl concentration of solution, and calculate the clearance of oil of mirbane, result is as table 2.
Experimental result shows: Fe 2+there is promotion H 2o 2the effect of oxidation oil of mirbane.
Embodiment 3:
High-efficiency environment friendly Fenton reagent, is made up of following material: H 2o 2, FeSO 47H 2o, 1 ~ 20% oxysuccinic acid (volume fraction), wherein H 2o 2, Fe 2+mol ratio be 10:1, H 2o 2be 18:1 with oil of mirbane mol ratio.
The method of described high-efficiency environment friendly Fenton reagent oxide treatment oil of mirbane, comprises the following steps:
(1), in 250mL Erlenmeyer flask add 70mL water, vibrate 5h in constant temperature oscillation instrument, measures pH, the ferrous iron content of system;
(2), configuration concentration is the nitrobenzene solution of 1500mg/L, gets 70mL in 250mL Erlenmeyer flask, stand for standby use;
(3), in the nitrobenzene solution of step (2), add Fenton reagent, add H in proportion 2o 2, FeSO 47H 2after O, regulation system pH is 4, then adds oxysuccinic acid, and after reaction times 5h, measure the nitro phenenyl concentration of solution and calculate the clearance of oil of mirbane, result is as table 3.
Separately make one group of blank assay: described Fenton reagent is not containing oxysuccinic acid, and other composition is with embodiment 3.
The method of described high-efficiency environment friendly Fenton reagent oxide treatment oil of mirbane, with embodiment 3, result is as table 3.
Table 3: the impact of oxysuccinic acid dosage p-nitrophenyl removal effect
Result shows: after adding oxysuccinic acid, and the successful of Fenton reagent oxidation oil of mirbane strengthens.
Embodiment 4:
High-efficiency environment friendly Fenton reagent, is made up of following material: H 2o 2, FeSO 47H 2o, 10 ~ 20% oxysuccinic acid (volume fraction), wherein H 2o 2, Fe 2+mol ratio be 10:1, H 2o 2be 18:1 with oil of mirbane mol ratio.
The method of described high-efficiency environment friendly Fenton reagent oxide treatment oil of mirbane, comprises the following steps:
(1), in 250mL Erlenmeyer flask add 70mL water, vibrate 5h in constant temperature oscillation instrument, measures pH, the ferrous iron content of system;
(2), configuration concentration is the nitrobenzene solution of 1500mg/L, gets 70mL in 250mL Erlenmeyer flask, stand for standby use;
(3), by concentration be that the nitrobenzene solution of 1500mg/L is diluted to 500mg/L, add H in proportion 2o 2, FeSO 47H 2after O, regulation system pH is 4, then adds oxysuccinic acid, and after reaction times 1 ~ 5h, measure the nitro phenenyl concentration of solution and calculate the clearance of oil of mirbane, result is as table 4.
Experimental result shows: react in 2 hours, oxysuccinic acid add the effect of the oxide treatment oil of mirbane of Fenton reagent and not obvious, after reaction was more than 2.5 hours, the oxidation effectiveness adding the reagent of oxysuccinic acid comparatively control experiment obviously increases.
Table 4: the impact of oxysuccinic acid p-nitrophenyl removal effect
Conclusion: as H in solution 2o 2: Fe 2+: the ratio of oil of mirbane (mol ratio) is down to 7.2:0.45:1 by 18:1.8:1, and after adding oxysuccinic acid, the clearance of its p-nitrophenyl still reaches 99.85%, and what oxysuccinic acid was described adds the usage quantity that can reduce Fenton reagent.
The Fenton reagent that with the addition of oxysuccinic acid is applied to Nitrobenzene in Groundwater oxide treatment, and its overall clearance is more than 60%, and the highest clearance reaches 99.7%, shows that it has very large prospect in oxide treatment Nitrobenzene in Groundwater.
To sum up, the embodiment of the present invention has following beneficial effect: the present invention adds oxysuccinic acid in Fenton reagent, the oxidation effectiveness of Fenton reagent is increased, and decreases the usage quantity of Fenton reagent, reduce the harm of Fenton reagent to environment, have broad application prospects.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
Above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (8)

1. a high-efficiency environment friendly Fenton reagent, is characterized in that, is made up of: H following material 2o 2, Fe 2+, oxysuccinic acid.
2. high-efficiency environment friendly Fenton reagent as claimed in claim 1, is characterized in that, described Fe 2+from FeSO 47H 2o.
3. the method for high-efficiency environment friendly Fenton reagent oxide treatment oil of mirbane as claimed in claim 1 or 2, is characterized in that, comprise the following steps:
(1), in 250mL Erlenmeyer flask add 70mL water, vibrate 5h in constant temperature oscillation instrument, measures pH, the ferrous iron content of system;
(2), configuration concentration is the nitrobenzene solution of 1500mg/L, gets 70mL in 250mL Erlenmeyer flask, stand for standby use;
(3), in the nitrobenzene solution of step (2), certain proportion H is added 2o 2with Fe 2+, then add a certain amount of oxysuccinic acid, after reaction for some time, measure the nitro phenenyl concentration of solution.
4. the method for high-efficiency environment friendly Fenton reagent oxide treatment oil of mirbane as claimed in claim 3, is characterized in that, described H 2o 2be 3.6:1 ~ 32.4:1 with the mol ratio of oil of mirbane.
5. the method for high-efficiency environment friendly Fenton reagent oxide treatment oil of mirbane as claimed in claim 4, is characterized in that, described H 2o 2with the mol ratio 7.2:1 ~ 18:1 of oil of mirbane.
6. the method for high-efficiency environment friendly Fenton reagent oxide treatment oil of mirbane as claimed in claim 3, is characterized in that, described H 2o 2with Fe 2+mol ratio be 1:6 ~ 1:20.
7. the method for high-efficiency environment friendly Fenton reagent oxide treatment oil of mirbane as claimed in claim 6, is characterized in that, described H 2o 2with Fe 2+mol ratio be 1:10 ~ 1:16.
8. the method for high-efficiency environment friendly Fenton reagent oxide treatment oil of mirbane as claimed in claim 3, is characterized in that, the volume fraction of the oxysuccinic acid dropped in described step (3) is 1 ~ 20%, and the reaction times controlled at 1 ~ 5 hour.
CN201610118954.1A 2016-03-02 2016-03-02 Efficient environment-friendly Fenton's reagent and method thereof for oxidizing and treating nitrobenzene Pending CN105565466A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002094723A1 (en) * 2001-05-18 2002-11-28 William Kerfoot Environmental remediation method and apparatus
CN102083557A (en) * 2008-06-23 2011-06-01 三菱瓦斯化学株式会社 Agent for purifying soil and/or underground water and purification method
CN104230117A (en) * 2014-09-26 2014-12-24 陕西华陆化工环保有限公司 Pre-treatment method for nitrobenzene class industrial waste water

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002094723A1 (en) * 2001-05-18 2002-11-28 William Kerfoot Environmental remediation method and apparatus
CN102083557A (en) * 2008-06-23 2011-06-01 三菱瓦斯化学株式会社 Agent for purifying soil and/or underground water and purification method
CN104230117A (en) * 2014-09-26 2014-12-24 陕西华陆化工环保有限公司 Pre-treatment method for nitrobenzene class industrial waste water

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
YONGKOO SEOL 等: "Citric acid-modified Fenton’s reaction for the oxidation of chlorinated ethylenes", 《CHEMOSPHERE》 *
伏广龙 等: "芬顿试剂在废水处理中的应用", 《环境科学与管理》 *

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