CN101864578B - Method for preparing peroxysulfuric acid by sonoelectrochemical method - Google Patents
Method for preparing peroxysulfuric acid by sonoelectrochemical method Download PDFInfo
- Publication number
- CN101864578B CN101864578B CN2010101451359A CN201010145135A CN101864578B CN 101864578 B CN101864578 B CN 101864578B CN 2010101451359 A CN2010101451359 A CN 2010101451359A CN 201010145135 A CN201010145135 A CN 201010145135A CN 101864578 B CN101864578 B CN 101864578B
- Authority
- CN
- China
- Prior art keywords
- ultrasonic
- electrolysis
- anode
- sulphuric acid
- peroxy
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The invention discloses a method for preparing peroxysulfuric acid by a sonoelectrochemical method, which is characterized in that in the method, a sulphuric acid solution is placed in an electrolyzer; pure platinum serves as an anode, and a lead board or thermal shock graphite serves as a cathode; the cathode and the anode are separated by a sulfonic group anion selecting membrane; an ultrasonic is added at the bottom of the electrolyzer; the electrolysis temperature is 0-40 DEG C, and the electrolysis voltage is kept between 3V and 7V, and the current density is 1000A/m<2>-6000A/m<2>; the frequency of the added ultrasonic is 20kHz-100kHz, the sound intensity of the ultrasonic is 5-20W/m<2>, and the electrolysis time of the ultrasonic is 1-5 hours; and sulfate radicals in the sulphuric acid solution at the anode zone is subject to an oxidation reaction to produce the peroxysulfuric acid. Compared with the conventional method for preparing peroxysulfuric acid by the high concentration synthesis method, the invention has the advantages of simple method, reduced energy consumption, shortened reaction time, higher activity of a generated oxidant and the like.
Description
Technical field
The present invention relates to a kind of preparation of oxygenant, particularly a kind of method of utilizing ultrasonic electrochemical to prepare peroxy-monosulfuric acid.
Background technology
In the high-level oxidation technology of hydrometallurgy flow process and environmental engineering, oxygenant is used by a large amount of.Existing oxygenant mainly contains permanganate, oxygen, perferrate, chlorine, ozone, hypochlorite etc.; But problems such as the toxic height of these oxygenants, oxidizing potential is low, the reagent consumption is big, cost is high, residual reagent contamination environment; And used oxygenant or be solid or for gas, oxidation efficiency is low in solution; Therefore for reaching the purpose of effective processing, often add a large amount of oxygenants and follow repeatedly oxidation, cause subsequent disposal extremely difficult.
Peroxy-monosulfuric acid is compared the oxidizing potential that has more than 2.0 as a kind of novel oxygenant with other oxygenant, and oxidation activity is good, oxidation efficiency is high, is used for the aqueous solution and has good result; According to reports, the foreign scholar adopts 60-70% hydrogen peroxide and the synthetic peroxy-monosulfuric acid of the vitriol oil, but synthesis condition is harsh, and synthesis temperature need be controlled at below 0 ℃, and is restive as far as this exothermic process.Domestic also have the scholar to utilize hydrogen peroxide and the synthetic peroxy-monosulfuric acid of the vitriol oil, but because the domestic production concentration that is difficult to is higher than 30% hydrogen peroxide, therefore synthesizes and do not see successfully report.
Summary of the invention
Defective or deficiency to prior art exists the objective of the invention is to, and a kind of method of utilizing ultrasonic electrochemical to prepare peroxy-monosulfuric acid is provided.This method can make sulphuric acid soln electrolysis under relatively mild condition generate the novel oxygenant of peroxy-monosulfuric acid with in the ultrasonic introducing electrolyzer.
For realizing above-mentioned task, the present invention takes following technical solution scheme:
A kind of ultrasonic electrochemical prepares the method for peroxy-monosulfuric acid, it is characterized in that, this method places electrolyzer with sulphuric acid soln; Pure platinum is anode, and negative electrode is stereotype or thermal shock graphite, and sulfonic group negatively charged ion selective membrane is separated anode and cathode; Bottom of electrolytic tank adds UW; Electrolysis temperature is 0-40 ℃, and electrolysis voltage remains on 3V～7V, and current density is 1000A/m
2-6000A/m
2, the ultrasonic frequency that is added is 20kHz～100kHz, the ultrasonic sound intensity is 5-20W/m
2, the ultrasonic electrolysis time is 1～5 hour, sulfate radical generation oxidizing reaction in the sulphuric acid soln of positive column generates peroxy-monosulfuric acid.
The present invention adopts the intensified by ultrasonic wave electrochemical process, prepares novel oxygenant peroxy-monosulfuric acid.Adopt the intensified by ultrasonic wave electrochemical process, noble potential, high-energy can be provided, help strengthening and flow, improve mass transfer, reduce concentration polarization; Effectively shorten the reaction times, improve synthetic yield, can reduce voltage simultaneously, improve current efficiency.
Description of drawings
Fig. 1 is for realizing equipment structure chart of the present invention.
Below in conjunction with accompanying drawing and embodiment the present invention is done further explain.
Embodiment
As shown in Figure 1, sulphuric acid soln is placed electrolyzer, pure platinum is anode; Negative electrode is stereotype or thermal shock graphite, and sulfonic group negatively charged ion selective membrane is separated anode and cathode, and bottom of electrolytic tank adds ultrasonic generation systems; There is ultrasonic transducer ultrasonic generation systems inside; Electrolysis temperature is 0-40 ℃, and electrolysis voltage remains on 3V～7V, and current density is 1000-6000A/m
2, sulphuric acid soln (electrolytic solution) concentration is 20-45%, and the ultrasonic frequency that is added is 20kHz～100kHz, and the ultrasonic sound intensity is 5-20W/m
2, the ultrasonic electrolysis time is 1～5 hour, sulfate radical generation oxidizing reaction in the sulphuric acid soln of positive column generates peroxy-monosulfuric acid.
The mode that the present invention adopts ultrasonic electrochemical to combine with the negatively charged ion selective membrane is carried out electrolysis; The peroxy-monosulfuric acid that anode generates under the effect of anionic membrane in the positive column concentration improve constantly, sulfuric acid constantly is dissociated into hydrogen ion in the cathodic area, generation hydrogen under cathodic process.
Below be the embodiment that the contriver provides, need to prove that these embodiment are the preferable examples of the present invention, the invention is not restricted to these embodiment.
Embodiment 1:
With concentration is that 20% sulphuric acid soln adds in the electrolyzer, and pure platinum is anode, and negative electrode is a stereotype, and the sulfonic group anionic membrane separates the negative and positive district, and bottom of electrolytic tank adds UW, and electrolysis voltage is 3V, current density 1500A/m
2, ultrasonic frequency is 20kHz, ultrasonic sound intensity 10W/m
2, temperature of reaction is 0 ℃, ultrasonic electrolysis 4 hours, and the oxygenant peroxy-monosulfuric acid concentration that makes is 0.9mol/L.
Embodiment 2:
With concentration is that 30% sulphuric acid soln adds in the electrolyzer, and pure platinum is anode, and negative electrode is a stereotype, and the sulfonic group anionic membrane separates the negative and positive district, and electrolysis voltage is 5V, current density 2500A/m
2, adding UW at bottom of electrolytic tank, ultrasonic frequency is 60kHz, ultrasonic sound intensity 5W/cm
2, temperature of reaction is 20 ℃, ultrasonic electrolysis 3 hours, and the oxygenant peroxy-monosulfuric acid concentration that makes is 0.95mol/L.
Embodiment 3:
With concentration is that 45% sulphuric acid soln adds in the electrolyzer, and pure platinum is anode, and negative electrode is a stereotype, and the sulfonic group anionic membrane separates the negative and positive district, and electrolysis voltage is 6V, current density 5000A/m
2, adding UW at bottom of electrolytic tank, ultrasonic frequency is 100kHz, ultrasonic sound intensity 20W/cm
2, temperature of reaction is 40 ℃, ultrasonic electrolysis 2 hours, and the oxygenant peroxy-monosulfuric acid concentration that makes is 1mol/L.
Claims (1)
1. a ultrasonic electrochemical prepares the method for peroxy-monosulfuric acid, it is characterized in that this method places electrolyzer with sulphuric acid soln; Pure platinum is anode, and negative electrode is stereotype or thermal shock graphite, and sulfonic group negatively charged ion selective membrane is separated anode and cathode; Bottom of electrolytic tank adds UW; Electrolysis temperature is 0-40 ℃, and electrolysis voltage remains on 3V～7V, and current density is 1000A/m
2-6000A/m
2, the ultrasonic frequency that is added is 20kHz～100kHz, the ultrasonic sound intensity is 5-20W/m
2, the ultrasonic electrolysis time is 1～5 hour, sulfate radical generation oxidizing reaction in the sulphuric acid soln of positive column generates peroxy-monosulfuric acid;
The concentration of described sulphuric acid soln is 20%-45%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101451359A CN101864578B (en) | 2010-04-12 | 2010-04-12 | Method for preparing peroxysulfuric acid by sonoelectrochemical method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101451359A CN101864578B (en) | 2010-04-12 | 2010-04-12 | Method for preparing peroxysulfuric acid by sonoelectrochemical method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101864578A CN101864578A (en) | 2010-10-20 |
| CN101864578B true CN101864578B (en) | 2012-02-01 |
Family
ID=42956496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101451359A Expired - Fee Related CN101864578B (en) | 2010-04-12 | 2010-04-12 | Method for preparing peroxysulfuric acid by sonoelectrochemical method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101864578B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104109878B (en) * | 2014-07-21 | 2017-02-15 | 河南省科学院高新技术研究中心 | Process for synthesizing rubber vulcanization accelerator CBS by electrolytic method in water phase |
| CN106830214A (en) * | 2017-03-28 | 2017-06-13 | 西安建筑科技大学 | A kind of device and method for processing acidic arsenic-containing solution |
| CN108048864B (en) * | 2017-12-26 | 2019-10-25 | 扬州大学 | Common cathode ultrasonic electrochemical device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4020856C2 (en) * | 1990-06-29 | 1992-04-23 | Degussa Ag, 6000 Frankfurt, De | |
| CN1528660A (en) * | 2003-10-16 | 2004-09-15 | 陶华西 | Method for preparing permonosulfuric hydrogen-pottassium compound salt |
| CN1781846A (en) * | 2004-12-01 | 2006-06-07 | 宋海鹏 | Process for preparing potassium hydrogen persulfate composite salts |
-
2010
- 2010-04-12 CN CN2010101451359A patent/CN101864578B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4020856C2 (en) * | 1990-06-29 | 1992-04-23 | Degussa Ag, 6000 Frankfurt, De | |
| CN1528660A (en) * | 2003-10-16 | 2004-09-15 | 陶华西 | Method for preparing permonosulfuric hydrogen-pottassium compound salt |
| CN1781846A (en) * | 2004-12-01 | 2006-06-07 | 宋海鹏 | Process for preparing potassium hydrogen persulfate composite salts |
Non-Patent Citations (2)
| Title |
|---|
| 王杰等.过一硫酸氢钾三复盐的研制.《无机盐工业》.2004,(第06期), * |
| 田淑芳.过一硫酸的合成及其在铀水冶中的应用.《铀矿冶》.1992,(第04期), * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101864578A (en) | 2010-10-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101634035B (en) | Electrochemical method and electrochemical device for synergistically generating ozone and hydrogen peroxide in neutral medium | |
| CN105483747B (en) | A kind of method and device of water electrolysis hydrogen production gas | |
| US9297084B2 (en) | Electrochemical production of hydrogen | |
| CN105951117B (en) | A kind of electrolytic method of low cost production high purity of hydrogen peroxide and hydrogen | |
| Grotheer et al. | Industrial electrolysis and electrochemical engineering | |
| CN101713078B (en) | Device and method for preparing potassium ferrate through electrolysis | |
| JP2015091572A (en) | Biogas producing system and method of producing biogas and carbon dioxide reduced product using biogas producing system | |
| CN101864578B (en) | Method for preparing peroxysulfuric acid by sonoelectrochemical method | |
| CN112725823B (en) | Coupling process for efficiently utilizing electric energy to perform coal oxidation and carbon dioxide reduction | |
| CN101864577B (en) | Method for electrochemically preparing peroxysulfuric acid | |
| CN103866344A (en) | Method for preparing nitric acid through electrolysis | |
| CN108722437A (en) | The preparation method and ferronickel composite catalyst of ferronickel composite catalyst | |
| Chaenko et al. | Indirect electrosynthesis of peracetic acid using hydrogen peroxide generated in situ in a gas diffusion electrode | |
| CN205204884U (en) | Handle many diaphragm electrolysis of multi -electrode groove of high salt industrial waste water | |
| CN106048641A (en) | Process method of electrochemically preparing Fe3+ and H2 in pair | |
| CN105696017A (en) | Novel technical method for reducing nitrobenzene by using iron | |
| CN215517653U (en) | Device for producing hydrogen by electrolyzing recovered plastic | |
| KR20160038363A (en) | Electrochemical reduction method of carbon dioxide and apparatus therefor | |
| CN114059086A (en) | Device and method for two-step electrolytic hydrogen production based on acidic electrolyte | |
| KR20140036436A (en) | Automatic oxygen generator by water electrolysis and hydrogen fuel cell | |
| CN110965071B (en) | Metal catalyst for electrochemical reduction of carbon dioxide and preparation and application thereof | |
| WO2006113463A3 (en) | Apparatus and method for the controllable production of hydrogen at an accelerated rate | |
| JP2016029199A (en) | Method and apparatus for producing chemical by electrochemical process | |
| CN102241430B (en) | Method for removing bromine ions in drinking water by utilizing electrolytic cell | |
| CN117488317A (en) | Coal slime oxidation auxiliary method for reducing hydrogen production energy consumption by water electrolysis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120201 Termination date: 20160412 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |