CN101928051B - Method for preparing intensified electrolyzed functional water - Google Patents

Method for preparing intensified electrolyzed functional water Download PDF

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Publication number
CN101928051B
CN101928051B CN2010102639346A CN201010263934A CN101928051B CN 101928051 B CN101928051 B CN 101928051B CN 2010102639346 A CN2010102639346 A CN 2010102639346A CN 201010263934 A CN201010263934 A CN 201010263934A CN 101928051 B CN101928051 B CN 101928051B
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functional water
electrolyzed functional
electrolytic
electrolysis
electrolyte
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CN101928051A (en
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孙君社
蔡程烨
刘莉
裴海生
张秀清
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China Agricultural University
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China Agricultural University
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Abstract

The invention discloses a method for preparing electrolyzed functional water. The method for preparing the electrolyzed functional water provided by the invention comprises the following steps of: 1) magnetizing electrolyte to obtain magnetized electrolyte; and 2) electrolyzing the magnetized electrolyte to obtain the electrolyzed functional water. In order to enhance the intensity of the prepared electrolyzed functional water, the temperature of the magnetized electrolyte is kept between 3 DEG C below zero and 10 DEG C in an electrolyzing process. Compared with an ordinary electrolytic process in which the temperature of the electrolyte is room temperature, electrolysis is performed at a low temperature, so that active ingredients of the electrolyzed functional water are dissolved to the maximum extent and the electrolyzed functional water with higher intensity is obtained.

Description

A kind of method for preparing intensified electrolyzed functional water
Technical field
The invention belongs to the electrolyzed functional water field, be specifically related to a kind of method for preparing intensified electrolyzed functional water.
Background technology
Electrolyzed functional water; Be meant and use electrolytic water generating device that the salt solution or the salt sour water of dilution are carried out electrolysis; Thereby make pH value, redox potential (ORP), effective chlorine density (ACC), dissolved oxygen (DO), specific conductivity a series of indexs such as (TDS) of water change the acid electrolyzed functional water with specific function of generation and the general name of alkaline electrolyzed functional water.Than common soda acid, the security of electrolyzed functional water all obtains checking in acute and sub-acute toxicity experiment, confirm that it is harmless to HUMAN HEALTH.Aspect environmental protection, the electrolyzed functional water concentration is very low, and neutralization easily also be convenient to very much control even be discharged into environment, so its environmental pressure is very faint.
Electrolyzed functional water possesses acid-basicity, oxidation-reduction quality, microbial film perviousness, most of materials is not had corrosion or characteristics such as low burn into preparation convenience and economic environmental protection.In present research, number of applications is all arranged at food-processing, agriculture prodn, medicine and hygiene fields.
Concluding these uses and basically all to be based on electrolyzed functional water and to compare with ortho-water; Its osmotic pressure (power), molecular cluster structure (size), solubility property (size), specific conductivity (just), pH value (size), redox property, surface tension, density, thermal conductivity etc. all are not quite similar, and reactivity ratio's ortho-water of electrolyzed functional water is a lot of by force.Particularly its pH value and ORP index are considered to play central role in present numerous researchs with in using.Aspect health care sterilization, food preservation, the crop pest management its mechanism of action all there are being demonstration and hypothesis.The intensity of present common acid electrolyzed functional water is generally pH value 2.3-5, and ORP is at 750-1200mV, and the intensity of alkaline electrolyzed functional water is generally at pH value 9-12, ORP-550~-900mV.The unique effect of electrolyzed functional water make its in the application of every field also in continuous developing.Yet, at present in some fields of biology, chemical industry, medical treatment etc., conventional electrolyzed functional water often show effective but intensity not enough, the limitation of its index intensity is remarkable all the more.This point has influenced its application results greatly, has limited its range of application.How to find the method for the electrolyzed functional water performance index intensity of raising, and prepare that intensity is higher, the better electrolyzed functional water of reactivity worth is the key that solves this bottleneck.
Find through patent searching and document; The generation preparation facilities of electrolyzed functional water is the focus of studying at present; Like " electrolyzed water producing method and device " (publication number CN 101391827); " a kind of brine electrolysis heating means and heating installation thereof " (publication number CN 101434421A); " a kind of device for preparing strong soured water " (Granted publication CN 2276936Y), " magnetization electrolysis water generating device " (Granted publication CN 201261737Y), " electrolyzer and electrolytic water generating device " (publication number CN 1878729A).Do not see public reported for the electrolyzed functional water of strengthening and the enhancement method of performance index thereof.
Summary of the invention
The purpose of this invention is to provide a kind of method for preparing electrolyzed functional water.
The method for preparing electrolyzed functional water provided by the present invention comprises the steps:
1) will prepare the used electrolytic solution of electrolyzed functional water and magnetize processing, obtain magnetized electrolyte;
2) said magnetized electrolyte is carried out electrolysis, obtain said electrolyzed functional water.
Said electrolyzed functional water is divided into alkaline electrolyzed functional water and acid electrolyzed functional water.During electrolysis, obtain acid electrolyzed functional water, obtain alkaline electrolyzed functional water at negative electrode at anode.
Wherein, said electrolytic solution specifically can be NaCl and/or the KCl solution that mass concentration is 0.5-3 ‰; Solvent in said NaCl and/or the KCl solution is deionized water.
Above-mentioned steps 1) concrete grammar that magnetization is handled described in is following: it is magnetic field or the EM field of 5000-40000Gs that circulation of elecrolyte is gone up intensity through normal direction (referring to that field direction is vertical with water (flow) direction); The LV of said electrolytic solution is 0.5-5ms -1, the time that magnetization is handled is that every liter of electrolytic solution is handled 0.5-5h.
Above-mentioned steps 2) electrolytic current density described in is 2-50mAcm -2, electrolysis time is 10min-3h.
Step 2) electrolysis described in is carried out in electrolyzer, and the distance of two-plate can be 4-30cm in the said electrolyzer.
The used electrolyzer of the present invention can be no diaphragm electrolytic cell or diaphragm electrolytic cell (comprising double flute and three-flute), and the barrier film in the said diaphragm electrolytic cell is cationic exchange membrane or anion-exchange membrane; Electrode in the said electrolyzer is plate electrode or mesh electrode, and said electrode materials is pure titanium or composite titanium.
Method provided by the present invention is magnetized processing to electrolytic solution before electrolysis, electrolysis speed is effectively accelerated.Compare with unmagnetized processing, the electrolyzed functional water of preparation same intensity, electrolysis time can shorten more than 20%.
In addition, in order to improve the intensity of prepared electrolyzed functional water, can be in step 2) electrolytic process in keep magnetized electrolyte temperature at-3 ℃-10 ℃.All in room temperature, the electrolysis of under coldcondition, carrying out can make the effective constituent of electrolyzed functional water obtain dissolving greatly, thereby obtain the electrolyzed functional water that intensity improves with respect to the electrolyte temperature of common electrolytic process.The intensity that present common electrical is separated the acid electrolyzed functional water that obtains is generally pH value 2.3~5.0, and the ORP value is at 750~1200mV; The intensity of alkalescence electrolyzed functional water is generally in pH value 9~12, the ORP value-550~-900mV.And the acid electrolyzed functional water intensity that process present method obtains after strengthening is pH value 1.8~5.0, ORP value 750~1300mV; Alkalescence electrolyzed functional water intensity can reach pH value 9-13, ORP value-550~-1000mV.
Compare with existing electrolyzed functional water preparation method and conventional electrolyzed functional water, the advantage that the present invention had is: the electrolytic efficiency during (1) preparation electrolyzed functional water can significantly improve; (2) the performance index intensity of electrolyzed functional water can obviously promote; (3) method therefor is simple and easy to do, and cost is very low.
Embodiment
Through specific embodiment the inventive method is described below, but the parameter that method of the present invention adopted is not limited thereto.As do not have specified otherwise, be ordinary method; Said reagent and material like no specified otherwise, all can obtain from commercial sources.Solvent among the following embodiment in the used electrolytic solution is deionized water.
Embodiment 1, improve the electrolyzed functional water preparation efficiency through magnetized electrolyte
The preparation of magnetized electrolyte is to be made into 0.2% solution 2L by massfraction with analytical pure NaCl.Cycle through with water pump that intensity is the neodymium iron boron magnetic field passage of 8000Gs on the normal direction, the cross-sectional area of passage is 5cm 2, passage is long to be 20cm, LV is 2.5ms -1, the time is 3h.Adopt the dual grooved diaphragm electrolytic cell, pure titanium battery lead plate, the pole plate distance is 14cm, barrier film adopts cationic exchange membrane.With the massfraction after the magnetization is two electrolyzers that 0.2% NaCl solution adds the electrolyzed functional water generator respectively, and electrolytic current density is 3mAcm -2, electrolysis 30min.Anode obtains acid electrolyzed functional water (hereinafter to be referred as AEW), and negative electrode obtains alkaline electrolyzed functional water (hereinafter to be referred as ERW).The massfraction of handling without magnetization is that the pH value of the AEW that obtains of 0.2% NaCl electrolysis of solutions 30min is 2.32, and ORP is 1184mV; The pH value of ERW is 11.82, and ORP is-880mV.Is 23min and adopt the magnetized electrolyte electrolysis to the used time of the electrolyzed functional water of same intensity, and electrolysis time shortens more than 20%.Efficient obviously improves.
Embodiment 2, prepare electrolyzed functional water through low-temperature electrolytic
Adopt the dual grooved diaphragm electrolytic cell, pure titanium battery lead plate, the pole plate distance is 14cm, barrier film adopts cationic exchange membrane.With massfraction is two electrolyzers that 0.2% NaCl solution adds the electrolyzed functional water generator respectively.The temperature that keeps electrolytic solution with ice bath is at 0 ℃, and electrolytic current density is 3mAcm -2, electrolysis time is 30min.Low-temperature electrolytic finishes, and at room temperature detects, and the pH value of AEW is 2.12, and ORP is 1233mV; The pH value of ERW is 12.41, and ORP is-948mV.And other conditions are identical, and to obtain the pH value of AEW be 2.33 in electrolysis under room temperature environment, and ORP is 1184mV; The pH value of ERW is 11.82, and ORP is-900mV.
Carry out low-temperature electrolytic behind embodiment 3, the magnetized electrolyte again and prepare electrolyzed functional water
Analytical pure NaCl is made into 0.2% NaCl solution 2L by massfraction.Cycle through with water pump that intensity is the neodymium iron boron magnetic field passage of 10000Gs on the normal direction, the cross-sectional area of passage is 5cm 2, length is 20cm, flow velocity is 2.5ms -1, the time is 3h.Adopt the low-temperature electrolytic method electrolysis described in the embodiment 2.The AEW intensity that obtains is pH value 1.87, ORP value 1225mV; The pH value of ERW is 12.66, and ORP is-988mV.

Claims (4)

1. a method for preparing electrolyzed functional water comprises the steps:
1) will prepare the used electrolytic solution of electrolyzed functional water and magnetize processing, obtain magnetized electrolyte;
2) said magnetized electrolyte is carried out electrolysis, obtain said electrolyzed functional water; Wherein, the temperature of keeping said magnetized electrolyte in the said electrolytic process is at-3 ℃-10 ℃;
Wherein, the method that magnetization is handled described in the step 1) is following: with said circulation of elecrolyte is magnetic field or the EM field of 5000-40000Gs through intensity on the normal direction; Said electrolytic solution LV is 0.5-5ms -1, the time that magnetization is handled is that every liter of electrolytic solution is handled 0.5-5h;
Step 2) electrolytic current density described in is 2-50mAcm -2, electrolysis time is 10min-3h.
2. method according to claim 1 is characterized in that: said electrolytic solution is that mass concentration is NaCl and/or the KCl solution of 0.5-3 ‰; Solvent in said NaCl and/or the KCl solution is deionized water.
3. method according to claim 1 is characterized in that: step 2) described in electrolysis in electrolyzer, carry out, the distance of two-plate is 4-30cm in the said electrolyzer.
4. method according to claim 3 is characterized in that: said electrolyzer is no diaphragm electrolytic cell or diaphragm electrolytic cell, and the barrier film in the said diaphragm electrolytic cell is cationic exchange membrane or anion-exchange membrane; Electrode in the said electrolyzer is plate electrode or mesh electrode, and said electrode materials is pure titanium or composite titanium.
CN2010102639346A 2010-08-26 2010-08-26 Method for preparing intensified electrolyzed functional water Expired - Fee Related CN101928051B (en)

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CN103121738A (en) * 2013-03-15 2013-05-29 无锡清霖环保科技有限公司 Electrolytic active ionized water generation and production device
CN105794550A (en) * 2014-12-30 2016-07-27 徐立江 Application method of electricity-produced functional water for controlling greenhouse Phytophythora capsici
CN108546963B (en) * 2018-05-31 2020-05-22 西北矿冶研究院 Method for improving purification efficiency of copper electrolyte
CN111676490B (en) * 2020-05-22 2021-07-13 西北矿冶研究院 Method for optimizing zinc electrodeposition process
CN112850858B (en) * 2021-01-12 2023-04-07 山东中侨启迪环保装备有限公司 A integrative electric ammonia nitrogen removal device for waste water treatment

Citations (3)

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Publication number Priority date Publication date Assignee Title
CN1095907A (en) * 1993-05-29 1994-12-07 于浩 Method for preparation of anion-cation magnetic health drink
CN2276936Y (en) * 1996-11-26 1998-03-25 李里特 Appts. for preparing strong acidated water
CN101391827A (en) * 2007-09-19 2009-03-25 本田技研工业株式会社 Electrolyzed water producing method and apparatus

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JP2001073177A (en) * 1999-09-03 2001-03-21 Hoshizaki Electric Co Ltd Electrolytic water producing device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1095907A (en) * 1993-05-29 1994-12-07 于浩 Method for preparation of anion-cation magnetic health drink
CN2276936Y (en) * 1996-11-26 1998-03-25 李里特 Appts. for preparing strong acidated water
CN101391827A (en) * 2007-09-19 2009-03-25 本田技研工业株式会社 Electrolyzed water producing method and apparatus

Non-Patent Citations (1)

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Title
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