CN103570095A - Method for treating phenolic wastewater by ultrasound-synergetic cross-linked cyclodextrin - Google Patents
Method for treating phenolic wastewater by ultrasound-synergetic cross-linked cyclodextrin Download PDFInfo
- Publication number
- CN103570095A CN103570095A CN201210271231.7A CN201210271231A CN103570095A CN 103570095 A CN103570095 A CN 103570095A CN 201210271231 A CN201210271231 A CN 201210271231A CN 103570095 A CN103570095 A CN 103570095A
- Authority
- CN
- China
- Prior art keywords
- cyclodextrin
- wastewater
- phenolic
- phenolic wastewater
- phenol
- 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
Links
Images
Abstract
The invention discloses a method for treating phenolic wastewater by ultrasound-synergetic cross-linked cyclodextrin, which relates to a treatment method of phenolic wastewater and is used for solving the problem that an existing method for treating the phenolic wastewater is low in efficiency as well as slow in speed. The method disclosed by the invention comprises the following steps: adding phenolic wastewater in an adsorption container; adding cross-linked cyclodextrin; treating the phenolic wastewater in the container by using ultrasound-synergetic cross-linked cyclodextrin; getting a wastewater sample once from the adsorption container every certain time, filtering by a filter membrane and measuring sample concentration by using a gas chromatographic method until the phenolic wastewater reaches adsorption equilibrium; and separating the phenolic wastewater reaching the adsorption equilibrium in a centrifuging and separating device, getting upper-layer separated clear liquid as an analysis sample, and measuring mass concentration of a phenol pollutant by using the gas chromatographic method after filtering by using the filter membrane. According to the method disclosed by the invention, adsorption efficiency is increased to 94.1% from the original 87.3%, and adsorption rate reaches over 80% after treating for 40 minutes.
Description
Technical field
The present invention relates to a kind for the treatment of process of phenolic wastewater, refer in particular to the method for the crosslinked cyclodextrin Phenol-Containing Wastewater Treatment of a kind of supersonic synergic.
Background technology
Along with social progress, the mankind more and more pay attention to environmental protection problem.In suitability for industrialized production and manufacturing processed, can produce the waste water that contains in a large number chemical, especially contain the waste water of phenolic hydroxyl group, these waste water can impact and endanger the mankind and organism.The method of Phenol-Containing Wastewater Treatment mainly contains at present: Physical, chemical method and biological process.Although these methods have certain effect to Phenol-Containing Wastewater Treatment, searching is low-cost, high efficiency treatment process is the direction and goal that investigators constantly make great efforts in the industry always.
The prior art that simple declaration below and the present invention are approaching, and the present invention and its key distinction:
Xu Jinqiu is used ultrasonic cavitation treatment of Coking Wastewater in " organic research in ultrasonic cavitation effect treatment of Coking Wastewater " (the 18th the 3rd phase of volume of colleges and universities' chemical engineering journal, in June, 2004), and object is to reduce COD, is not for phenolic comp ' ds pollution.The mechanism of action is to be degraded to nontoxic, small-molecule substance by the ultrasonic contaminant molecule that makes, and the degradation rate of COD is up to 64.78%.The present invention, mainly for phenolic wastewater, processes the phenolic comp ' ds pollution in waste water, and highest point reason efficiency can reach more than 90%.
In the Wu Hong of chemical engineering institute of University Of Tianjin " preparation of cyclodextrin polymer and Pyrogentisinic Acid's Study on adsorption properties thereof " (ion-exchange and absorption, a 2003) literary composition, adopt tolylene diisocyanate (TDI) to synthesize beta cyclo dextrin polymer, process phenolic waste water.The present invention adopts ultrasonic and crosslinked cyclodextrin associated treatment phenolic wastewater, and method therefor is different, and process range is wider than phenolic waste water.The cyclodextrin polymer Pyrogentisinic Acid's that document is synthetic loading capacity is up to 12mg/g, and maximal absorptive capacity of the present invention can reach 500mg/g, and treatment effect is better.
Liu Kui is at " beta-cyclodextrin is processed the research of phenolic waste water " (Yunnan chemical, the 33rd the 6th phase of volume, in December, 2006) in, use and have the columnar structured beta-cyclodextrin of up-narrow and down-wide tapered hollow as the phenol in sorbent treatment waste water, the present invention adopts crosslinked cyclodextrin and supersonic synergic Phenol-Containing Wastewater Treatment.
In CN 101215019101215019 " method of ultrasonically catalyzing degradable organic pollutant ", described to use and a kind of the collaborative ultra-sonic generator of the compound solid-phase catalyst of metal nanoparticles loaded oxide compound has been processed to organic pollutant.Use supersonic synergic to be cross-linked cyclodextrin Phenol-Containing Wastewater Treatment with the present invention, method is different with mechanism.
In CN 1810793 " a kind of method of supersonic synergic nano TiO2 degraded furfural ", introduced a kind of supersonic synergic nano TiO
2the method of degraded furfural is by nano-TiO
2dispersed being suspended in furfural solution, or load on carrier and be suspended in again in furfural solution, then add H
2o
2solution, then adopts supersound process, and making furfural finally degradable is the carbonic acid gas of toxicological harmless and water.
Summary of the invention
The object of the invention is the problem existing in order to overcome prior art, the method for the crosslinked cyclodextrin Phenol-Containing Wastewater Treatment of a kind of supersonic synergic is provided, can effectively remove the phenolic comp ' ds pollution in waste water, shorten the treatment time of crosslinked cyclodextrin and improve treatment effect.
The object of the invention is to be achieved through the following technical solutions:
A method for the crosslinked cyclodextrin Phenol-Containing Wastewater Treatment of supersonic synergic, it comprises following steps:
S1 adds phenolic wastewater in a contactor, and measures the concentration of processing front Phenolic Compounds From Wastewater Containing Phenols pollutent;
S2 adds crosslinked cyclodextrin dry, that grind in the contactor of phenolic wastewater is housed;
S3, with the phenolic wastewater in the crosslinked cyclodextrin processing vessel of supersonic synergic, is to adopt ultra-sonic generator to carry out associated treatment to the phenolic wastewater in contactor and crosslinked cyclodextrin;
S4 in the treating processes of above-mentioned steps S3, every the time, gets wastewater sample one time in contactor, after filtering, uses gas chromatography determination sample concentration, until phenolic wastewater reaches adsorption equilibrium with filtering membrane;
S5, by reaching phenolic wastewater after adsorption equilibrium in container, put into centrifugal separating device and carry out separation, after crosslinked cyclodextrin and phenolic wastewater solution separating, get the separated clear liquid sample in upper strata as analytic sample, after filtering with filtering membrane, use the mass concentration of gas chromatography determination phenol pollutent.
In described step S1, the phenolic comp ' ds pollution concentration range of the phenolic wastewater adding in contactor is 50～15000mg/L.
In described step S1, phenolic wastewater refers to and comprises the trade effluent that phenol, cresols, xylenol etc. contain phenolic hydroxyl group.
In described step S2, the crosslinked cyclodextrin adding is 0.1～200g/L.
Described crosslinked cyclodextrin is to use compound with isocyanate groups (NCO) as linking agent, with the beta-cyclodextrin cross-linked crosslinked cyclodextrin generating afterwards that reacts; Described cyclodextrin or alpha-cylodextrin, or beta-cyclodextrin, or γ-cyclodextrin; The compound of described isocyanate groups (NCO) or with 1 isocyanate groups (NCO), or with 2 isocyanate groups (NCO), or with the compound of 2 above isocyanate groups (NCO).
In described step S3, the frequency of ultra-sonic generator is 5～60kHz, and the sound intensity is 0.01～0.5W/cm
2.
Beneficial effect of the present invention:
Difference with the prior art of the present invention is that the present invention removes pollutent at the crosslinked cyclodextrin of supersonic synergic, use after the crosslinked cyclodextrin Phenol-Containing Wastewater Treatment of supersonic synergic, adsorption rate efficiency is by original 87.3%, be increased to 94.1%, than the crosslinked cyclodextrin processing power of independent use, improved 6.8%;
The present invention has added after ultrasonic supplementary means, has improved the speed that crosslinked cyclodextrin is processed waste water, and after 40 minutes, adsorption rate has reached more than 80%, and does not use ultrasonic crosslinked cyclodextrin, and after 120 minutes, adsorption rate is in 70% left and right.
The concentration range of Phenol-Containing Wastewater Treatment of the present invention is wider, and concentration range is that 50～15000mg/L all can process; The filtering membrane that uses in the present invention is inexpensive easily to be bought.
For further illustrating above-mentioned purpose of the present invention, constructional feature and effect, below with reference to accompanying drawing, the present invention is described in detail.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the crosslinked cyclodextrin Phenol-Containing Wastewater Treatment device of a kind of supersonic synergic;
Fig. 2 is the schematic flow sheet of cyclodextrin Phenol-Containing Wastewater Treatment method of the present invention.
Embodiment
Accompanying drawing below in conjunction with embodiment is elaborated to the specific embodiment of the present invention.
Fig. 1 is the schematic diagram of the crosslinked cyclodextrin Phenol-Containing Wastewater Treatment device of a kind of supersonic synergic, and this treatment unit is the device using in treatment process of the present invention.
The phenolic wastewater 3 that is 50～15000mg/L by concentration range is placed in contactor 4, add crosslinked cyclodextrin 0.1～200g/L dry, that grind, with phenolic wastewater and crosslinked cyclodextrin in 2 pairs of contactors 4 of ultra-sonic generator, carry out supersonic synergic processing, setting ultrasonic frequency is that 5～60kHz and the sound intensity are 0.01～0.5W/cm
2, in Fig. 1, mark 1 is ultrasonic transducer.Use timing register, at interval of 5～40min, use disposable pipette, can get approximately 5～10mL wastewater sample at vessel port 41 places; Then to analyzer, carry out following analysis: after wastewater sample is filtered with filtering membrane, use gas chromatography determination sample concentration.Finally reach the phenolic wastewater after adsorption equilibrium, put into centrifugal separating device and carry out separation, after crosslinked cyclodextrin and phenolic wastewater solution separating, take a morsel the separated clear liquid in upper strata as analytic sample, after filtering with filtering membrane, by the concentration of gas chromatography determination phenol pollutent, according to the densitometer of measuring, calculate crosslinked cyclodextrin to the adsorption rate of phenolic comp ' ds pollution or adsorptive capacity.
The method of the crosslinked cyclodextrin Phenol-Containing Wastewater Treatment of supersonic synergic of the present invention, comprises following steps:
S1, in a contactor, add phenolic wastewater, the phenolic comp ' ds pollution concentration range of phenolic wastewater is 50～15000mg/L, measures the concentration of Phenolic Compounds From Wastewater Containing Phenols pollutent before processing, and described phenolic wastewater refers to the trade effluent that comprises that phenol, cresols, xylenol etc. contain phenolic hydroxyl group.
S2 adds crosslinked cyclodextrin 0.1～200g/L dry, that grind in the contactor of phenolic wastewater is housed.Described crosslinked cyclodextrin is to use compound with isocyanate groups (NCO) as linking agent, with the beta-cyclodextrin cross-linked crosslinked cyclodextrin generating afterwards that reacts.Cyclodextrin can be alpha-cylodextrin, beta-cyclodextrin and γ-cyclodextrin.The compound of isocyanate groups (NCO) can be with 1-NCO, the compound of 2-NCO or 2 above-NCO.
S3, with the phenolic wastewater in the crosslinked cyclodextrin processing vessel of supersonic synergic, specifically refer to ultra-sonic generator the phenolic wastewater in contactor and crosslinked cyclodextrin are carried out to supersonic synergic processing, the frequency of ultra-sonic generator is 5～60kHz, and the sound intensity is 0.01～0.5W/cm
2.
S4, in the treating processes of above-mentioned steps S3, every a time (5～40min), in contactor, get 5～10mL wastewater sample one time, after filtering with filtering membrane, use gas chromatography determination sample concentration, until phenolic wastewater reaches adsorption equilibrium, (refer to the prolongation along with the treatment time, the concentration of Phenol for Waste Water pollutent no longer reduces, and reaches maximal absorptive capacity).
S5, by reaching phenolic wastewater after adsorption equilibrium in container, put into centrifugal separating device and carry out separation, after crosslinked cyclodextrin and phenolic wastewater solution separating, get upper strata separated clear liquid sample 5～10ml as analytic sample, after filtering with filtering membrane, by the mass concentration of gas chromatography determination phenol pollutent, according to the concentration of measuring, utilize general adsorption rate calculation formula to calculate crosslinked cyclodextrin to the adsorption rate of phenolic comp ' ds pollution or adsorptive capacity.
In above-mentioned S4, after wastewater sample must being filtered with filtering membrane, use again gas chromatography determination sample concentration, otherwise pulverous crosslinked cyclodextrin is always in waste water, can interference measurement results.
In phenolic wastewater sampling process, because crosslinked cyclodextrin is very fast to the processing speed ratio of phenolic wastewater, so sampling interval starts to be advisable with 5～10 minutes, (for some time internal adsorption that starts to process is very fast, so sampling interval time is shorter, processing is longer interval time in later stage, can be every sampling in 10～40 minutes.Treatment time reached adsorption equilibrium substantially in 120 minutes.
< < embodiment 1 > >
Using ultrasonic is 50mg/L phenolic wastewater as supplementary means and crosslinked cyclodextrin concentration for the treatment of phenol concentration.
The phenolic wastewater that is 50mg/L by phenol concentration is placed in contactor, adds crosslinked cyclodextrin (by 0.1g/L waste water) dry, that ground, and the frequency of ultra-sonic generator is 5kHz, sound intensity 0.01W/cm
2, the wastewater sample that takes a morsel after the 5min of interval, by vapor-phase chromatography measures phenolic wastewater concentration after filtering with 100 order filtering membranes.90min reaches the phenolic wastewater sample after adsorption equilibrium, employing is put into centrifugal separating device by phenolic wastewater with the crosslinked cyclodextrin in waste water and is carried out separated, after crosslinked cyclodextrin and phenolic wastewater solution separating, the separated clear liquid sample in upper strata takes a morsel, after filtering with filtering membrane, by vapor-phase chromatography, measure phenolic comp ' ds pollution concentration in processed waste water, according to adsorption equation, calculating adsorption rate is 88%.
< < embodiment 2 > >
Using ultrasonic is 3300mg/L phenolic wastewater as supplementary means and crosslinked cyclodextrin concentration for the treatment of phenol concentration.
The phenolic wastewater that is 3300mg/L by phenol concentration is placed in contactor, adds crosslinked cyclodextrin (by 4g/L waste water) dry, that ground, and the frequency of ultra-sonic generator is 10kHz, sound intensity 0.05W/cm
2, the wastewater sample that takes a morsel after the 8min of interval, by vapor-phase chromatography measures phenolic wastewater concentration after filtering with 80 order filtering membranes.100min reaches the phenolic wastewater sample after adsorption equilibrium, employing is put into centrifuge separator by phenolic wastewater with the crosslinked cyclodextrin in waste water and is carried out separated, after crosslinked cyclodextrin and phenolic wastewater solution separating, get the separated clear liquid sample in a certain amount of upper strata, after filtering with filtering membrane, by vapor-phase chromatography, measure, according to adsorption equation, calculating adsorption rate is 91%.
< < embodiment 3 > >
Using ultrasonic is 7525mg/L phenolic wastewater as supplementary means and crosslinked cyclodextrin concentration for the treatment of phenol concentration.
The phenolic wastewater that is 7525mg/L by phenol concentration is placed in contactor, adds crosslinked cyclodextrin (by 100g/L waste water) dry, that ground, and the frequency of ultra-sonic generator is 30kHz, sound intensity 0.1W/cm
2, after stirring 30min, use mechanical stirrer stops, and the wastewater sample that takes a morsel after the 9min of interval, by vapor-phase chromatography measures phenolic wastewater concentration after filtering with 60 order filtering membranes.120min reaches the phenolic wastewater sample after adsorption equilibrium, employing is put into centrifuge separator by phenolic wastewater with the crosslinked cyclodextrin in waste water and is carried out separated, after crosslinked cyclodextrin and phenolic wastewater solution separating, get the separated clear liquid sample in a certain amount of upper strata, after filtering with filtering membrane, by vapor-phase chromatography, measure, according to adsorption equation, calculating adsorption rate is 90%.
< < embodiment 4 > >
Using ultrasonic is 12000mg/L phenolic wastewater as supplementary means and crosslinked cyclodextrin concentration for the treatment of phenol concentration.
The phenolic wastewater that is 12000mg/L by phenol concentration is placed in contactor, adds crosslinked cyclodextrin (by 200g/L waste water) dry, that ground, and the frequency of ultra-sonic generator is 40kHz, sound intensity 0.3W/cm
2, the wastewater sample that takes a morsel after the 10min of interval, by vapor-phase chromatography measures phenolic wastewater concentration after filtering with 50 order filtering membranes.120min reaches the phenolic wastewater sample after adsorption equilibrium, employing is put into centrifuge separator by phenolic wastewater with the crosslinked cyclodextrin in waste water and is carried out separated, after crosslinked cyclodextrin and phenolic wastewater solution separating, get the separated clear liquid sample in a certain amount of upper strata, after filtering with filtering membrane, by vapor-phase chromatography, measure, according to adsorption equation, calculating adsorption rate is 87%.
< < embodiment 5 > >
Using ultrasonic is 15000mg/L phenolic wastewater as supplementary means and crosslinked cyclodextrin concentration for the treatment of phenol concentration.
The phenolic wastewater that is 15000mg/L by phenol concentration is placed in contactor, adds crosslinked cyclodextrin (by 200g/L waste water) dry, that ground, and the frequency of ultra-sonic generator is 60kHz, sound intensity 0.5W/cm
2, the wastewater sample that takes a morsel after the 10min of interval, by vapor-phase chromatography measures phenolic wastewater concentration after filtering with 40 order filtering membranes.120min reaches the phenolic wastewater sample after adsorption equilibrium, employing is put into centrifuge separator by phenolic wastewater with the crosslinked cyclodextrin in waste water and is carried out separated, after crosslinked cyclodextrin and phenolic wastewater solution separating, get the separated clear liquid sample in a certain amount of upper strata, after filtering with filtering membrane, by vapor-phase chromatography, measure, according to adsorption equation, calculating adsorption rate is 85%.
Those of ordinary skill in the art will be appreciated that, above embodiment is only for object of the present invention is described, and not as limitation of the invention, as long as in essential scope of the present invention, the variation of the above embodiment, modification all will be dropped in the scope of claim of the present invention.
Claims (6)
1. a method for the crosslinked cyclodextrin Phenol-Containing Wastewater Treatment of supersonic synergic, is characterized in that, comprises following steps:
S1 adds phenolic wastewater in a contactor, and measures the concentration of processing front Phenolic Compounds From Wastewater Containing Phenols pollutent;
S2 adds crosslinked cyclodextrin dry, that grind in the contactor of phenolic wastewater is housed;
S3, with the phenolic wastewater in the crosslinked cyclodextrin processing vessel of supersonic synergic, is to adopt ultra-sonic generator to carry out associated treatment to the phenolic wastewater in contactor and crosslinked cyclodextrin;
S4 in the treating processes of above-mentioned steps S3, every the time, gets wastewater sample one time in contactor, after filtering, uses gas chromatography determination sample concentration, until phenolic wastewater reaches adsorption equilibrium with filtering membrane;
S5, by reaching phenolic wastewater after adsorption equilibrium in container, put into centrifugal separating device and carry out separation, after crosslinked cyclodextrin and phenolic wastewater solution separating, get the separated clear liquid sample in upper strata as analytic sample, after filtering with filtering membrane, use the mass concentration of gas chromatography determination phenol pollutent.
2. supersonic synergic as claimed in claim 1 is cross-linked the method for cyclodextrin Phenol-Containing Wastewater Treatment, it is characterized in that:
In described step S1, the phenolic comp ' ds pollution concentration range of the phenolic wastewater adding in contactor is 50～15000mg/L.
3. supersonic synergic as claimed in claim 1 is cross-linked the method for cyclodextrin Phenol-Containing Wastewater Treatment, it is characterized in that:
In described step S1, phenolic wastewater refers to and comprises the trade effluent that phenol, cresols, xylenol etc. contain phenolic hydroxyl group.
4. supersonic synergic as claimed in claim 1 is cross-linked the method for cyclodextrin Phenol-Containing Wastewater Treatment, it is characterized in that:
In described step S2, the crosslinked cyclodextrin adding is 0.1～200g/L.
5. the supersonic synergic as described in claim 1 or 4 is cross-linked the method for cyclodextrin Phenol-Containing Wastewater Treatment, it is characterized in that:
Described crosslinked cyclodextrin is to use compound with isocyanate groups (NCO) as linking agent, with the beta-cyclodextrin cross-linked crosslinked cyclodextrin generating afterwards that reacts; Described cyclodextrin or alpha-cylodextrin, or beta-cyclodextrin, or γ-cyclodextrin; The compound of described isocyanate groups (NCO) or with 1 isocyanate groups (NCO), or with 2 isocyanate groups (NCO), or with the compound of 2 above isocyanate groups (NCO).
6. supersonic synergic as claimed in claim 1 is cross-linked the method for cyclodextrin Phenol-Containing Wastewater Treatment, it is characterized in that:
In described step S3, the frequency of ultra-sonic generator is 5～60kHz, and the sound intensity is 0.01～0.5W/cm
2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210271231.7A CN103570095A (en) | 2012-07-31 | 2012-07-31 | Method for treating phenolic wastewater by ultrasound-synergetic cross-linked cyclodextrin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210271231.7A CN103570095A (en) | 2012-07-31 | 2012-07-31 | Method for treating phenolic wastewater by ultrasound-synergetic cross-linked cyclodextrin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103570095A true CN103570095A (en) | 2014-02-12 |
Family
ID=50042903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210271231.7A Pending CN103570095A (en) | 2012-07-31 | 2012-07-31 | Method for treating phenolic wastewater by ultrasound-synergetic cross-linked cyclodextrin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103570095A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104475069A (en) * | 2014-12-02 | 2015-04-01 | 南京化工职业技术学院 | Ultrasonic-assisted modified cyclodextrin regeneration method |
| CN106589168A (en) * | 2016-12-16 | 2017-04-26 | 中国人民大学 | Beta-cyclodextrin compound, preparation method thereof, and application thereof in water treatment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002336849A (en) * | 2001-05-18 | 2002-11-26 | Kurita Water Ind Ltd | Method for treating phenols |
| CN101134609A (en) * | 2007-08-07 | 2008-03-05 | 江苏工业学院 | Method for processing organic wastewater by employing ultrasonic wave and synergic organophilic bentonite |
| US20080061000A1 (en) * | 2006-09-08 | 2008-03-13 | Kimberly Clark Worldwide, Inc. | Ultrasonic Treatment System For Separating Compounds From Aqueous Effluent |
| CN101172681A (en) * | 2007-10-26 | 2008-05-07 | 江苏工业学院 | Method for processing organic matter wastewater by ultrasonic wave cooperate with alta-mud |
| CN201151677Y (en) * | 2007-08-17 | 2008-11-19 | 江苏工业学院 | Ultrasonic strengthened organobentonite waste water treating device |
| CN102120782A (en) * | 2010-12-22 | 2011-07-13 | 南京工业大学 | Method for preparing organic wastewater treating agent |
-
2012
- 2012-07-31 CN CN201210271231.7A patent/CN103570095A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002336849A (en) * | 2001-05-18 | 2002-11-26 | Kurita Water Ind Ltd | Method for treating phenols |
| US20080061000A1 (en) * | 2006-09-08 | 2008-03-13 | Kimberly Clark Worldwide, Inc. | Ultrasonic Treatment System For Separating Compounds From Aqueous Effluent |
| CN101134609A (en) * | 2007-08-07 | 2008-03-05 | 江苏工业学院 | Method for processing organic wastewater by employing ultrasonic wave and synergic organophilic bentonite |
| CN201151677Y (en) * | 2007-08-17 | 2008-11-19 | 江苏工业学院 | Ultrasonic strengthened organobentonite waste water treating device |
| CN101172681A (en) * | 2007-10-26 | 2008-05-07 | 江苏工业学院 | Method for processing organic matter wastewater by ultrasonic wave cooperate with alta-mud |
| CN102120782A (en) * | 2010-12-22 | 2011-07-13 | 南京工业大学 | Method for preparing organic wastewater treating agent |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104475069A (en) * | 2014-12-02 | 2015-04-01 | 南京化工职业技术学院 | Ultrasonic-assisted modified cyclodextrin regeneration method |
| CN106589168A (en) * | 2016-12-16 | 2017-04-26 | 中国人民大学 | Beta-cyclodextrin compound, preparation method thereof, and application thereof in water treatment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Selvakumar et al. | Biosorption of Rhodamine B onto novel biosorbents from Kappaphycus alvarezii, Gracilaria salicornia and Gracilaria edulis | |
| Yakout et al. | Adsorption of naphthalene, phenanthrene and pyrene from aqueous solution using low-cost activated carbon derived from agricultural wastes | |
| Denizli et al. | Removal of chlorophenols from aquatic systems using the dried and dead fungus Pleurotus sajor caju | |
| Meng et al. | Highly efficient adsorption of salicylic acid from aqueous solution by wollastonite-based imprinted adsorbent: a fixed-bed column study | |
| Guan et al. | Amphiphilic hollow carbonaceous microspheres for the sorption of phenol from water | |
| Dai et al. | Performance evaluation and application of molecularly imprinted polymer for separation of carbamazepine in aqueous solution | |
| CN102001765A (en) | Method for deeply treating sewage containing phenol and aniline | |
| Gao et al. | Influence of extracellular polymeric substances on microbial activity and cell hydrophobicity in biofilms | |
| Öktem et al. | The adsorption of methylene blue from aqueous solution by using waste potato peels; equilibrium and kinetic studies | |
| Hu et al. | Column adsorption of aniline by a surface modified jute fiber and its regeneration property | |
| CN103570095A (en) | Method for treating phenolic wastewater by ultrasound-synergetic cross-linked cyclodextrin | |
| Saint Cyr et al. | Feasibility study of microfiltration for algae separation in an innovative nuclear effluents decontamination process | |
| He et al. | Incredulity on assumptions for the simplified Bohart-Adams model: 17a-ethinylestradiol separation in lab-scale anthracite columns | |
| Wang et al. | Sustainable synthesis of hydroxyl-functional porous organic framework as novel adsorbent for effective removal of organic micropollutants from water | |
| Li et al. | Bioremediation of oil containing seawater by membrane-aerated biofilm reactor | |
| Chang et al. | A simplified model for trace organics removal by continuous flow PAC adsorption/submerged membrane processes | |
| Li et al. | Phosphate affects adsorption and desorption of oxytetracycline in the seawater-sediment systems | |
| Cui et al. | Reactive extraction of p-nitrophenol using tributylphosphate in solvent naphtha or n-octanol | |
| Zhang et al. | Adsorption of natural organic matter onto a composite adsorbent prepared with chitosan and powdered activated carbon | |
| Prevarić et al. | The problem of phthalate occurrence in aquatic environment: A review | |
| CN109365498A (en) | A kind of formula and soil treatment device reducing P in soil AHs biological effectiveness | |
| Hu et al. | Treatment of pretreated coal gasification wastewater (CGW) by magnetic polyacrylic anion exchange resin | |
| CN102951698A (en) | Method for treating PX (para-xylene) wastewater by using active carbon as adsorbent | |
| Vito et al. | Investigation of Phenol Adsorption Process Utilizing Wood Sawdust | |
| Qiu et al. | Macroporous polymeric sorbents with high selectivity for separation of phenols |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140212 |