CN109607739A - A kind of application of piezoelectric material barium titanate Ultrasound-activated persulfate in processing waste water - Google Patents
A kind of application of piezoelectric material barium titanate Ultrasound-activated persulfate in processing waste water Download PDFInfo
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- CN109607739A CN109607739A CN201811528508.3A CN201811528508A CN109607739A CN 109607739 A CN109607739 A CN 109607739A CN 201811528508 A CN201811528508 A CN 201811528508A CN 109607739 A CN109607739 A CN 109607739A
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- persulfate
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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
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
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- Organic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
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Abstract
The invention discloses a kind of application of piezoelectric material barium titanate in Ultrasound-activated persulfate processing waste water.Persulfate is activated by piezoelectric material combination supersonic synergic, generates potentiometric titrations, potentiometric titrations have certain oxidability to pollutant, to reach higher degradation efficiency.The Activiation method of persulfate provided by the present invention has significant advantage compared with tradition promotes persulfate to generate sulfuric acid method for root, hydroxyl radical free radical, superoxide radical, single line oxygen that can be formed in water body with piezoelectric effect by the potentiometric titrations that piezoelectricity activates persulfate to generate etc. constitutes polyoxide plastidome, further increase the removal efficiency to pollutant in water body, to the removal rate of the drugs waste water such as brufen up to 98% or more, it can be widely applied to all kinds of wastewater treatment systems.
Description
Technical field
The present invention relates to water-treatment technology fields, more particularly, to a kind of piezoelectric material barium titanate Ultrasound-activated over cure
Application of the hydrochlorate in processing waste water.
Background technique
In water treatment technology, high-level oxidation technology can produce activity extremely strong free radical (HO and SO4 -), relatively pass
For the advanced oxidation based on hydroxyl radical free radical (HO) of system, it is based on sulphuric acid free radical (SO4 -) high-level oxidation technology
In, SO4 -There are a lone pair electrons, oxidation-reduction potential is higher, can be activated under alkaline condition, to organic pollutant
Oxidative degradation is carried out, applicable pH value range is wider.H in opposite hydrogen peroxide2O2For, persulfate has higher stabilization
Property, action time is longer in use process, and theoretically oxidable organic pollutant category is more, has in the processing of waste water wide
Wealthy prospect.But that there is also free radicals in high-salt wastewater is suppressed for high-level oxidation technology, what obvious processing effect reduced asks
Topic.Therefore the salinity matrix in high-salt wastewater how is effectively utilized, so that it is changed into available substance and carrys out degradation of contaminant,
It is the key problem in technology for promoting high-salt wastewater and administering.Persulfate (sodium, potassium, calcium, ammonium etc.) is a kind of strong oxidizer, over cure acid group
Standard oxidationreduction potential (E0) is 2.01V (relative to standard hydrogen electrode).Over cure acid group is in heat, ultraviolet light, ultrasonic wave and alkali
Under such as physical chemistry effect effect of liquid, metal ion, potentiometric titrations, the standard oxygen of potentiometric titrations can be converted into
Changing reduction potential (E0) is 2.50-3.10V, and oxidisability is stronger, is greater than persulfate and hydroxyl radical free radical (standard oxidation reduction electricity
Position is 2.80V), the range for carrying out oxidation processes to liguid phase pollutant is bigger.It is free to generate sulfate radical for activation persulfate at present
The method of base, which has, utilizes heat, ultraviolet light, ultrasonic wave, metal ion, electrolysis, plasma etc..Prior art CN108394893A
Disclose it is a kind of activation persulfate generate potentiometric titrations degradation antibiotic waste water method, disclosed in persulfuric acid
The Activiation method of salt activator generation potentiometric titrations are as follows: hot activation, UV activation, transition metal ions activation or strong basicity ring
The activation of border condition.Persulfate is activated to generate potentiometric titrations, the pollutant drop of generation by method disclosed in the prior art
Solve the problems such as reactive systems ingredient is too single, low there are the treatment effeciency of water pollutant.
Piezoelectric effect is the physical phenomenon mutually converted between a kind of mechanical energy and electric energy.Piezoelectric material is by extraneous machine
The phenomenon that tool active force, inside generate polarization, and two apparent surfaces of material generate the positive and negative charge of equivalent referred to as direct piezoelectric effect.
The phenomenon that piezoelectric material adds electric field, and piezoelectric material is caused to generate mechanical deformation referred to as inverse piezoelectric effect, will using piezoelectric material
Mechanical energy is converted into electric energy and is then converted to chemical energy, thus degradation of contaminant.At present about piezoelectric material in activation persulfate
Wastewater treatment free radical is generated there is not yet any report.
Therefore, the present invention improves a kind of piezoelectric material barium titanate to further increase the water treatment efficiency of persulfate
The wastewater treatment method that sharp ultrasound lives through sulfate has very important significance for improving the treatment effeciency of water pollutant.
Summary of the invention
The technical problem to be solved by the present invention is to overcome existing persulfate activate generate potentiometric titrations defect and
Deficiency provides a kind of application of piezoelectric material barium titanate Ultrasound-activated persulfate in processing waste water, by piezoelectric material and
Persulfate reacts under ultrasound environments generates hydroxyl radical free radical, superoxide radical, single line oxygen etc., constitutes the polyoxygenated substance of liquid phase
System, to increase the removal efficiency to pollutant in water body.
Above-mentioned purpose of the present invention is achieved through the following technical solutions:
A kind of application of piezoelectric material barium titanate Ultrasound-activated persulfate in processing waste water.
Persulfate of the invention is activated in ultrasonic piezoelectricity system and generates potentiometric titrations, with piezoelectric effect in water
Hydroxyl radical free radical, superoxide radical, single line oxygen for being formed in body etc. constitute liquid phase polyoxide plastidome, to promote to water body
The removal of middle pollutant.
Piezoelectric material activates the mechanism of persulfate generation over cure acid group free radical are as follows:
BaTiO3+ ultrasound → BaTiO3(h++e-)
e-+O2→·O2 -
·O2 -+H2O→1O2+H2O2
e-+H2O2+H+→·OH+H2O
O2/·O2 -+h+→1O2
h++H2O→·OH+H+
S2O8 2-→2SO4 -·
SO4 -·+H2O→·OH+SO4 2-+H+
S2O8 2-+2H2O→HO2 -+2SO4 2-+3H+
S2O8 2-+HO2 -→SO4 2-+SO4 -·+·O2 -+H+
S2O8 2-+·O2 -→SO4 2-+SO4 -·+O2
·O2 -+H2O→1O2+H2O2
Piezoelectric material effect: capturing lower energy, such as ultrasound, realizes mechanical energy and chemistry using lower energy
The conversion of energy, realizes the efficient utilization of energy, while generating electrons and holes.
The present invention effectively converts chemical energy for mechanical energy using piezoelectric material activation persulfate, not only accelerates water
The degradation efficiency and rate of pollutant in body, can also extensively using the other low-frequency vibration mechanical energy for being present in natural environment,
It is a kind of more environmentally protective method for treating water, can be applied to pharmacy waste water, industrial organic waste water, medical waste water, life dirt
The fields such as water, surface water treatment.
Barium titanate in application of the invention is tetragonal-phase barium titanate, it is specific the preparation method is as follows:
S1. the preparation of titanium hydroxide presoma: tetraethyl titanate is added dropwise to stirring hydrolysis in acetic acid solution and obtains hydrogen
Titanium oxide；
S2. by titanium hydroxide and Ba (OH)2·8H2O is added in strong base solution, after magnetic agitation is uniform, is closed by hydro-thermal
Tetragonal-phase barium titanate is prepared at method.
Wherein the concentration of acetic acid solution is 0.5~1.5mol/L, preferably 1mol/L in S1, and the stirring is hydrolyzed in room
Temperature lower 65~75h of magnetic agitation, preferably 72h, are centrifuged 5~30min, preferably centrifugal rotational speed with 8000-10000rpm/min
10000rpm/min, centrifugation time 5min abandon supernatant, and precipitating is cleaned with ultrapure water to neutrality, and 55-85 DEG C dries, and preferably 60
DEG C drying, grinding, be made titanium hydroxide.
The volume ratio of tetraethyl titanate and acetic acid solution is 1:8~10 in S1.
Titanium hydroxide and Ba (OH) in S22·8H2The ratio of O is calculated according to molar ratio Ti:Ba=1~2:1~2, and preferably 1:
1。
The concentration of strong base solution described in S2 is 0.1~0.3mol/L, preferably 0.25mol/L；
By titanium hydroxide and Ba (OH) described in S22·8H2The dosage of O is according to following criterion calculation: by titanium hydroxide and Ba
(OH)2·8H2O is added to strong base solution to titanium hydroxide and Ba (OH)2·8H2The concentration of O is 0.04~0.07mol/L.
Wherein, the specific method of hydrothermal synthesis method described in S2 is: by titanium hydroxide and Ba (OH)2·8H2O is added to
In NaOH solution, after magnetic agitation is uniform, it is transferred in the hydrothermal reaction kettle with polytetrafluoroethyllining lining, heats up in an oven
Rise to 160~210 DEG C, hydro-thermal reaction 55-75h, after being cooled to room temperature, with 8000~10000rmp/min centrifugation 5~
30min, abandons supernatant, 55~75 DEG C of drying after precipitating is cleaned with ultrapure water to neutrality, and tetragonal-phase barium titanate is made in grinding.
As a kind of application mode, the specific method is as follows for above-mentioned application: persulfate and piezoelectric material barium titanate are thrown
It adds in waste water to be processed, the reaction treatment waste water under ultrasound condition, wherein the ultrasonic power is 100~500W, frequency is
40~120KHZ.Sonification power and frequency are lower, and the rate of the potentiometric titrations of generation is slower, and quantity is fewer, even
Potentiometric titrations can not be generated；Power and frequency are higher, and the rate of the potentiometric titrations of generation is faster, but too fast can make
Decline at the activity ratio of potentiometric titrations, the present invention needs to control the generation rate of suitable potentiometric titrations, so that mistake
The efficiency of potentiometric titrations maximizes, and water treatment efficiency optimizes, wherein the preferred scope value of persulfate: 0.5~
1.25mmol/L。
In ultrasound system, persulfate is activated in ultrasonic piezoelectricity system and generates potentiometric titrations, imitates with piezoelectricity
Hydroxyl radical free radical, superoxide radical, the single line oxygen that should be formed in water body etc. constitute liquid phase polyoxide plastidome, promote to water
The removal of pollutant in body.
Preferably, the acoustical power is 110W, frequency 40KHZ.
Preferably, the dosage of the piezoelectric material barium titanate is 1~15g/L.The dosage of barium titanate is too much or too
It is few to will affect its piezoelectric effect, it will lead to the degradation efficiency decline to pollutant brufen very little；The dosage of barium titanate exists
After certain value, piezoelectric effect is maintained at maximum position, and dosage increases, and effect is constant, causes increased costs and subsequent
Processing is difficult.
It is highly preferred that the dosage of the piezoelectric material barium titanate is 2~6g/L.It such as can be 2g/L, 3g/L, 4g/
L, 5g/L or 6g/L, more preferable 2g/L.
Preferably, the additional amount of the persulfate is 0.15~15.00mmol/L.The amount of persulfate is excessive or very few
The degradation efficiency that will lead to waste component reduces,
It is highly preferred that the additional amount of the persulfate is 0.50~1.25mmol/L.Such as can be 0.5mmol/L,
0.75mmol/L, 1.0mmol/L, 1.25mmol/L, more preferable 1.0mmol/L.
It is highly preferred that the dosage of the piezoelectric material barium titanate is 2g/L, the additional amount of persulfate is 1.00mmol/
L。
Preferably, the waste water is containing having containing brufen, parachlorophenol, metopycide, bisphenol-A or methyl orange
Machine waste water.
It is highly preferred that the concentration of brufen is 5~500mg/L in the waste water.
Compared with prior art, the beneficial effects of the present invention are:
It is provided the present invention provides a kind of application of piezoelectric material barium titanate in activation persulfate processing waste water
The Activiation method of persulfate has significant advantage compared with tradition promotes persulfate to generate sulfuric acid method for root, passes through piezoelectricity
Hydroxyl radical free radical that the potentiometric titrations that activation persulfate generates can be formed in water body with piezoelectric effect, super oxygen are free
Base, single line oxygen etc. constitute polyoxide plastidome, further increase the removal efficiency to pollutant in water body, useless to brufen etc.
The removal rate of water is up to 98% or more.
Specific embodiment
The present invention is further illustrated With reference to embodiment, but embodiment the present invention is not done it is any
The restriction of form.Unless otherwise indicated, source chemicals used in the embodiment of the present invention are the source chemicals routinely bought.
Embodiment 1
A kind of method of piezoelectric material barium titanate Ultrasound-activated persulfate processing waste water, it is specific as follows: piezoelectric material titanium
Sour barium dust is added in 25mL waste water to be processed, and the Organic substance in water that gives up is brufen, concentration 6.0mg/L, piezoelectric material throwing
Dosage is 2.0g/L, and the dosage of potassium peroxydisulfate is 1.00mmol/L, is put into progress ultrasound-pressure in the Ultrasound Instrument of 110W, 40KHZ
Electrically-degradable pollutant 60min.The effect that ultrasound-piezoelectric material-persulfate removes removal organic polluter is measured by sampling every 10min
Rate.
Wherein barium titanate the preparation method comprises the following steps:
S1. 40mL tetraethyl titanate is taken slowly to be dripped in the acetic acid solution of 400mL 1.0mol/L dropwise, at room temperature magnetic
After power stirs 72h, 5min is centrifuged with 10000rmp/min.Liquid is discarded supernatant, 60 DEG C after precipitating is cleaned with ultrapure water to neutrality
Titanium hydroxide is made in drying, grinding；
S2. this titanium hydroxide and Ba (OH) are taken2·8H2To be added to 0.25mol/L NaOH molten by Ti:Ba=1:1 in molar ratio by O
In liquid to its concentration be 0.06mol/L, after magnetic agitation is uniform, be transferred to the hydrothermal reaction kettle with polytetrafluoroethyllining lining
In, 200 DEG C of hydro-thermal reaction 72h are risen in an oven；After reaction, after being cooled to room temperature, 10000rmp/min is used
It is centrifuged 5min, abandons supernatant；Tetragonal-phase barium titanate is made in 60 DEG C of drying after precipitating is cleaned with ultrapure water to neutrality, grinding.
Embodiment 2
A kind of method of piezoelectric material barium titanate Ultrasound-activated persulfate processing waste water, it is specific as follows: piezoelectric material titanium
Sour barium dust is added in 25mL waste water to be processed, and the Organic substance in water that gives up is brufen, concentration 6.0mg/L, piezoelectric material throwing
Dosage is 2.0g/L, and the dosage of sodium peroxydisulfate is 0.5mmol/L, is put into progress ultrasound-pressure in the Ultrasound Instrument of 110W, 40KHZ
Electrically-degradable pollutant 60min.The effect that ultrasound-piezoelectric material-persulfate removes removal organic polluter is measured by sampling every 10min
Rate.
Embodiment 3
A kind of method of piezoelectric material barium titanate Ultrasound-activated persulfate processing waste water, it is specific as follows: piezoelectric material titanium
Sour barium dust is added in 25mL waste water to be processed, and the Organic substance in water that gives up is brufen, concentration 6.0mg/L, piezoelectric material throwing
Dosage is 2.0g/L, and the dosage of potassium peroxydisulfate is 0.75mmol/L, is put into progress ultrasound-pressure in the Ultrasound Instrument of 110W, 40KHZ
Electrically-degradable pollutant 60min.The effect that ultrasound-piezoelectric material-persulfate removes removal organic polluter is measured by sampling every 10min
Rate.
Embodiment 4
A kind of method of piezoelectric material barium titanate Ultrasound-activated persulfate processing waste water, it is specific as follows: piezoelectric material titanium
Sour barium dust is added in 25mL waste water to be processed, and the Organic substance in water that gives up is brufen, concentration 6.0mg/L, piezoelectric material throwing
Dosage is 2.0g/L, and the dosage of sodium peroxydisulfate is 1.25mmol/L, is put into progress ultrasound-pressure in the Ultrasound Instrument of 110W, 40KHZ
Electrically-degradable pollutant 60min.The effect that ultrasound-piezoelectric material-persulfate removes removal organic polluter is measured by sampling every 10min
Rate.
Embodiment 5
A kind of method of piezoelectric material barium titanate Ultrasound-activated persulfate processing waste water, it is specific as follows: piezoelectric material titanium
Sour barium dust is added in 25mL waste water to be processed, and the Organic substance in water that gives up is brufen, concentration 6.0mg/L, piezoelectric material throwing
Dosage is 1.0g/L, and the dosage of sodium peroxydisulfate is 1.25mmol/L, is put into progress ultrasound-pressure in the Ultrasound Instrument of 110W, 40KHZ
Electrically-degradable pollutant 60min.The effect that ultrasound-piezoelectric material-persulfate removes removal organic polluter is measured by sampling every 10min
Rate.
Embodiment 6
A kind of method of piezoelectric material barium titanate Ultrasound-activated persulfate processing waste water, it is specific as follows: piezoelectric material titanium
Sour barium dust is added in 25mL waste water to be processed, and the Organic substance in water that gives up is brufen, concentration 6.0mg/L, piezoelectric material throwing
Dosage is 15.0g/L, and the dosage of sodium peroxydisulfate is 1.25mmol/L, is put into the Ultrasound Instrument of 110W, 40KHZ and carries out ultrasound-
Piezoelectricity degradation of contaminant 60min.The effect that ultrasound-piezoelectric material-persulfate removes removal organic polluter is measured by sampling every 10min
Rate.
Embodiment 7
A kind of method of piezoelectric material barium titanate Ultrasound-activated persulfate processing waste water, it is specific as follows: piezoelectric material titanium
Sour barium dust is added in 25mL waste water to be processed, and the Organic substance in water that gives up is brufen, concentration 6.0mg/L, piezoelectric material throwing
Dosage is 2.0g/L, and the dosage of sodium peroxydisulfate is 15.0mmol/L, is put into progress ultrasound-pressure in the Ultrasound Instrument of 110W, 40KHZ
Electrically-degradable pollutant 60min.The effect that ultrasound-piezoelectric material-persulfate removes removal organic polluter is measured by sampling every 10min
Rate.
Embodiment 8
A kind of method of piezoelectric material barium titanate Ultrasound-activated persulfate processing waste water, it is specific as follows: piezoelectric material titanium
Sour barium dust is added in 25mL waste water to be processed, and the Organic substance in water that gives up is bisphenol-A, concentration 12.0mg/L, piezoelectric material throwing
Dosage is 2.0g/L, and the dosage of persulfate is 1.0mmol/L, is put into progress ultrasound-pressure in the Ultrasound Instrument of 110W, 40KHZ
Electrically-degradable pollutant 60min.The effect that ultrasound-piezoelectric material-persulfate removes removal organic polluter is measured by sampling every 10min
Rate.
Embodiment 9
A kind of method of piezoelectric material barium titanate Ultrasound-activated persulfate processing waste water, it is specific as follows: piezoelectric material titanium
Sour barium dust is added in 25mL waste water to be processed, and the Organic substance in water that gives up is parachlorophenol, concentration 12.0mg/L, piezoelectric material
Dosage is 2.0g/L, and the dosage of persulfate is 1.0mmol/L, is put into the Ultrasound Instrument of 110W, 40KHZ and carries out ultrasound-
Piezoelectricity degradation of contaminant 60min.The effect that ultrasound-piezoelectric material-persulfate removes removal organic polluter is measured by sampling every 10min
Rate.
Embodiment 10
A kind of method of piezoelectric material barium titanate Ultrasound-activated persulfate processing waste water, it is specific as follows: piezoelectric material titanium
Sour barium dust is added in 25mL waste water to be processed, and the Organic substance in water that gives up is metopycide, concentration 6.0mg/L, pressure
Electric material dosage is 2.0g/L, and the dosage of persulfate is 1.0mmol/L, is put into the Ultrasound Instrument of 110W, 40KHZ and carries out
Ultrasound-piezoelectricity degradation of contaminant 60min.Ultrasound-piezoelectric material-persulfate is measured by sampling every 10min and removes organic contamination
The efficiency of object.
Embodiment 11
A kind of method of piezoelectric material barium titanate Ultrasound-activated persulfate processing waste water, it is specific as follows: piezoelectric material titanium
Sour barium dust is added in 25mL waste water to be processed, and the Organic substance in water that gives up is brufen, concentration 6.0mg/L, piezoelectric material throwing
Dosage is 2.0g/L, and the dosage of sodium peroxydisulfate is 15.0mmol/L, is put into progress ultrasound-pressure in the Ultrasound Instrument of 500W, 40KHZ
Electrically-degradable pollutant 60min.The effect that ultrasound-piezoelectric material-persulfate removes removal organic polluter is measured by sampling every 10min
Rate.
Embodiment 12
A kind of method of piezoelectric material barium titanate Ultrasound-activated persulfate processing waste water, it is specific as follows: piezoelectric material titanium
Sour barium dust is added in 25mL waste water to be processed, and the Organic substance in water that gives up is brufen, concentration 6.0mg/L, piezoelectric material throwing
Dosage is 2.0g/L, and the dosage of sodium peroxydisulfate is 15.0mmol/L, is put into the Ultrasound Instrument of 500W, 120KHZ and carries out ultrasound-
Piezoelectricity degradation of contaminant 60min.The effect that ultrasound-piezoelectric material-persulfate removes removal organic polluter is measured by sampling every 10min
Rate.
Comparative example 1
Tetragonal-phase barium titanate piezoelectric material is used for pollutant in Adsorption water body, it is specific as follows: by piezoresistive material feed powder
End is added in 25mL waste water to be processed, and the Organic substance in water that gives up is brufen, concentration 6.0mg/L, and piezoelectric material dosage is
2.0g/L is placed on magnetic stirring apparatus at the uniform velocity stirring and adsorbing degradation of contaminant 60min.Tetragonal phase is measured by sampling every 10min
Barium titanate piezoelectric material goes the efficiency of removal organic polluter.
Comparative example 2
Pollutant in ultrasound removal water body: taking 25mL waste water to be processed in beaker, and the Organic substance in water that gives up is brufen, dense
Degree is 6.0mg/L, is put into progress ultrasonotomography pollutant 60min in the Ultrasound Instrument of 110W, 40KHZ.It is measured by sampling every 10min
Ultrasound goes the efficiency of removal organic polluter.
Comparative example 3
Piezoelectric material tetragonal-phase barium titanate powder is added in 25mL waste water to be processed, the Organic substance in water that gives up is cloth Lip river
Sweet smell, concentration 6.0mg/L, piezoelectric material dosage are 2.0g/L, are put into progress ultrasound-piezoelectricity in the Ultrasound Instrument of 110W, 40KHZ
Degradation of contaminant 60min.The efficiency that piezoelectric material-ultrasound removes removal organic polluter is measured by sampling every 10min.
As a result it detects
The contaminant removal efficiency of EXAMPLE Example 1~7 and comparative example 1~3 is detected,
The calculation formula of removal rate are as follows:
Wherein C0For organic pollutant initial concentration, CtFor organic pollutant t moment concentration.
The contaminant removal efficiency of Examples 1 to 7 and comparative example 1~3 is as shown in table 1.
Table 1.
It can be seen that the pollutant of the barium titanate piezoelectric material Ultrasound-activated persulfate of embodiment from the data of upper table 1
Degradation efficiency is apparently higher than individually ultrasound and ultrasound-piezoelectric material, shows stronger piezoelectricity activation persulfate pollution degradation
The degradation efficiency of object illustrates that piezoelectricity has activated persulfate, generates potentiometric titrations, and potentiometric titrations have pollutant
Certain oxidability and piezoelectric effect forms hydroxyl radical free radical, superoxide radical, single line oxygen etc. in water body and constitutes liquid phase
Polyoxide plastidome, to reach higher degradation efficiency.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (10)
1. a kind of application of piezoelectric material barium titanate Ultrasound-activated persulfate in processing waste water.
2. application as described in claim 1, which is characterized in that the specific method is as follows for the application: by persulfate and piezoelectricity
Material barium titanate is added into waste water to be processed, the reaction treatment waste water under ultrasound condition, wherein the ultrasonic power be 100 ~
500W, frequency are 40 ~ 120KHZ.
3. application as claimed in claim 2, which is characterized in that the acoustical power is 110W, frequency 40KHZ.
4. application as claimed in claim 2, which is characterized in that the dosage of the piezoelectric material barium titanate is 1 ~ 15g/L.
5. application as claimed in claim 4, which is characterized in that the dosage of the piezoelectric material barium titanate is 2 ~ 6 g/L.
6. application as claimed in claim 2, which is characterized in that the additional amount of the persulfate is 0.15 ~ 15.00 mmol/L.
7. application as claimed in claim 6, which is characterized in that the additional amount of the persulfate is 0.5 ~ 1.25 mmol/L.
8. application as claimed in claim 2, which is characterized in that the dosage of the piezoelectric material barium titanate is 2g/L, persulfuric acid
The additional amount of salt is 1.00 mmol/L.
9. being applied as described in claim 1 ~ 8 any one, which is characterized in that the waste water is containing brufen, parachlorophenol, three
The organic wastewater of methoxybenzyl aminopyrimidine, bisphenol-A or methyl orange.
10. application as claimed in claim 9, which is characterized in that the concentration of brufen is 5 ~ 500 mg/L in the waste water.
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| CN111362391A (en) * | 2020-02-25 | 2020-07-03 | 暨南大学 | Novel method for removing organic pollutants through piezoelectric effect activation Fenton-like reaction |
| CN111960525A (en) * | 2020-09-04 | 2020-11-20 | 浙江浙能技术研究院有限公司 | Method and reaction device for catalytically oxidizing organic wastewater by using persulfate under assistance of ultrasound |
| CN112452125A (en) * | 2020-11-18 | 2021-03-09 | 福建省锅炉压力容器检验研究院 | Sludge collaborative incineration tail flue gas pollutant removal method and device |
| CN113135594A (en) * | 2020-01-19 | 2021-07-20 | 广东工业大学 | Persulfate activation method and application thereof |
| CN113893841A (en) * | 2021-09-09 | 2022-01-07 | 同济大学 | Barium titanate nano material for piezoelectric catalytic degradation of trace organic pollutants in water and preparation and application thereof |
| CN114314962A (en) * | 2021-11-23 | 2022-04-12 | 哈尔滨工业大学（深圳） | Antibiotic domestic sewage treatment method based on thermally activated PMS |
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| CN113135594A (en) * | 2020-01-19 | 2021-07-20 | 广东工业大学 | Persulfate activation method and application thereof |
| CN113135594B (en) * | 2020-01-19 | 2023-07-25 | 广东工业大学 | Activation method of persulfate and application thereof |
| CN111362391A (en) * | 2020-02-25 | 2020-07-03 | 暨南大学 | Novel method for removing organic pollutants through piezoelectric effect activation Fenton-like reaction |
| CN111960525A (en) * | 2020-09-04 | 2020-11-20 | 浙江浙能技术研究院有限公司 | Method and reaction device for catalytically oxidizing organic wastewater by using persulfate under assistance of ultrasound |
| CN111960525B (en) * | 2020-09-04 | 2023-11-24 | 浙江浙能技术研究院有限公司 | Method and reaction device for catalyzing and oxidizing organic wastewater by using persulfate through ultrasonic assistance |
| CN112452125A (en) * | 2020-11-18 | 2021-03-09 | 福建省锅炉压力容器检验研究院 | Sludge collaborative incineration tail flue gas pollutant removal method and device |
| CN112452125B (en) * | 2020-11-18 | 2022-09-13 | 福建省锅炉压力容器检验研究院 | Sludge collaborative incineration tail flue gas pollutant removal method and device |
| CN113893841A (en) * | 2021-09-09 | 2022-01-07 | 同济大学 | Barium titanate nano material for piezoelectric catalytic degradation of trace organic pollutants in water and preparation and application thereof |
| CN114314962A (en) * | 2021-11-23 | 2022-04-12 | 哈尔滨工业大学（深圳） | Antibiotic domestic sewage treatment method based on thermally activated PMS |
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