CN105944661A - Method of treating bisphenol A in water through titanium dioxide modified diatomite - Google Patents
Method of treating bisphenol A in water through titanium dioxide modified diatomite Download PDFInfo
- Publication number
- CN105944661A CN105944661A CN201610341360.7A CN201610341360A CN105944661A CN 105944661 A CN105944661 A CN 105944661A CN 201610341360 A CN201610341360 A CN 201610341360A CN 105944661 A CN105944661 A CN 105944661A
- Authority
- CN
- China
- Prior art keywords
- bisphenol
- water
- titanium dioxide
- infusorial earth
- modification infusorial
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/14—Diatomaceous earth
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4806—Sorbents characterised by the starting material used for their preparation the starting material being of inorganic character
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/34—Organic compounds containing oxygen
- C02F2101/345—Phenols
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Geochemistry & Mineralogy (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
The invention provides a method of treating bisphenol A in water through titanium dioxide modified diatomite. The method includes: taking 1L of a solution containing 10-100mg/L of bisphenol A; using an acid solution to adjust pH to 2.0-4.0; adding 0.3-0.5 g of modified diatomite powder; adding 1mL of a hydrogen peroxide solution of 0.3% in concentration; performing illumination oscillation reaction at 40-50 DEG C to realize treatment of bisphenol A. The method has the advantages that the method has obvious effect on treating bisphenol A, is high in reaction efficiency, needless of adsorption material regeneration and little in energy source consumption.
Description
Technical field
The invention belongs to water treatment field, be specifically related to a kind of titania modified kieselguhr of metal-oxide
Process the method for bisphenol-A in water.
Background technology
Bisphenol-A, formal name used at school 2,2-bis-(4-hydroxy phenyl) ethane, is called for short BPA.Bisphenol-A is primarily as monomer
Producing epoxy resin, Merlon, the consumption of the two accounts for the 95% of the total consumption of bisphenol-A.Bisphenol-A has good
Good mechanical performance, moisture absorption is relatively low, Heat stability is good, is widely used for producing plastic.Along with poly-
Carbonic ester and epoxy resin plastics material be widely used, the pollution of bisphenol-A gradually aggravates, generally with low dense
Degree occurs in surface water.In recent years, bisphenol-A concentrations in water body had the trend increased year by year.With this
Meanwhile, bisphenol-A is also environmental hormone, and it has the structure similar with estrogen.Humans and animals long-term drink contains
The water having bisphenol-A can cause endocrine disturbance, has report it is even contemplated that the obesity that causes of cancer and metabolism
Liquid is relevant with bisphenol-A.
Waste water processes the method used mainly to be had: active carbon adsorption, chemical method and microbial method.Activated carbon is inhaled
Attached method has desorption characteristics, can cause secondary pollution, need to carry out regenerating active carbon after absorption pollutant.At present
Microbial method is mainly the microorganism by artificial screening with specific Organic substance ability of degrade, screen cycle length,
Workload is big.
In chemical method the mechanism of the various pollutant in hydroxyl radical free radical (.OH) oxidative degradation aqueous phase be hydroxyl from
By base as reaction intermediate product, cause induction produce chain reaction .OH by electron transfer, electrophilic addition,
The approach such as dehydrogenation reaction are degraded to CO without selectively direct and various organic compound effects2、H2O and
Other inorganic ionss.Hydroxyl radical free radical has extremely strong betatopic ability i.e. oxidability, and reaction characteristics is without specially
One property, almost can react with all substances in organism, and reaction rate is fast, and non-free radical can be made to react
Thing becomes new free radical.The biology that kieselguhr is made up of the siliceous remains of diatom and other microorganisms is siliceous
Rock, has that specific surface area is big, porosity is high, bulk density is little, insoluble in any strong acid, high adsorption capacity etc.
Feature.Reaction characteristics based on .OH and diatomaceous characteristic, the present invention provides a kind of metal-oxide two
Titanium oxide modification infusorial earth processes the method for bisphenol-A in water.
Summary of the invention
The technical problem that the present invention is directed to above-mentioned existence provides in a kind of titania modified kieselguhr process water
The method of bisphenol-A.The method utilizes diatomaceous hollow microporous structural load titanium dioxide and modifying agent, passes through
Modifying agent strengthens bisphenol-A ability in diatomite adsorption water, and titanium dioxide strong oxidizing property and photocatalysis carry out double
Phenol A oxidation Decomposition, thus reach the purpose without removing bisphenol-A while regneration of adsorbent material.The present invention's
Purpose can be achieved through the following technical solutions:
(1) prepared by modification infusorial earth
Modifying agent and titanium dioxide that mol ratio is 2:1 are dissolved in deionized water, ultrasonic 1h, stand 0.5h,
Treat that titanium dioxide is uniformly distributed, obtain mixed solution；Thickness is formed in deionized water by dispersed for diatomite powder
Slurry, is subsequently adding modifying agent and titanium dioxide mixed solution, diatomite powder and mixed solution mass volume ratio
(g/L) it is 20～30, is stirred while adding mixed solution, until after being uniformly dispersed, by kieselguhr
Solution is dehydrate at 60～80 DEG C, crosses 80～100 mesh sieves, i.e. prepares modification infusorial earth powder.
(2) process of bisphenol-A
Take 1L and contain 10～100mg/L bisphenol-A aqueous solutions, be 2.0～4.0 with acid solution regulation pH, add step
(1) the titania modified diatomite powder 0.3～0.5g in, adds the peroxidating that 1mL concentration is 0.3%
Hydrogen solution, 40～50 DEG C of illumination oscillating reactionss 20～40min, i.e. realize the process of bisphenol-A.
The present invention is HCl, H for regulating the acid solution described in reaction system2SO4、HNO3In any one.
Modifying agent of the present invention be dodecane alkyl polyglucosides quaternary ammonium salt, eight alkyl glucoside quaternary ammonium compound, 12
At least one in sodium alkyl benzene sulfonate, cetyl trimethylammonium bromide.
Preferably, bisphenol A concentration of the present invention is 60～80mg/L.
Preferably, the response time of the present invention is 30min.
The present invention utilizes diatomaceous hollow microporous structural load titanium dioxide and modifying agent, and kieselguhr has the strongest
Absorption property and adsorption capacity, titanium dioxide has strong oxidizing property and photocatalysis, by add low concentration
Hydrogen peroxide can accelerate bisphenol-A oxidation Decomposition, can be widely applied to process bisphenol-A in water, saves energy consumption,
Without regneration of adsorbent material.
Accompanying drawing explanation
Fig. 1 be in the embodiment of the present invention pH on modification infusorial earth process bisphenol-A affect situation.
Fig. 2 be in the embodiment of the present invention temperature on modification infusorial earth process bisphenol-A affect situation.
Fig. 3 be in the embodiment of the present invention bisphenol A concentration on modification infusorial earth process bisphenol-A affect situation.
Fig. 4 is the comparison diagram that in the embodiment of the present invention, modification infusorial earth and ordinary silicon diatomaceous earth process bisphenol-A.
Fig. 5 be in the embodiment of the present invention hydrogen peroxide on modification infusorial earth process bisphenol-A affect situation.
Detailed description of the invention
Below by specific embodiment, present disclosure is further explained in detail, but it is not intended that originally
The protection domain of invention is only limitted to this.
In the embodiment of the present invention, modification infusorial earth preparation method is: by modifying agent that mol ratio is 2:1 and titanium dioxide
Titanium dissolves in deionized water, ultrasonic 1h, stands 0.5h, treats that titanium dioxide is uniformly distributed, obtain mixed solution；
Form thick slurry in deionized water by dispersed for diatomite powder, be subsequently adding modifying agent and titanium dioxide mixes
Closing solution, diatomite powder and mixed solution mass volume ratio (g/L) are 20, while adding mixed solution
It is stirred, until after being uniformly dispersed, by tripolite solution dehydrate at 70 DEG C, crossing 100 mesh sieves,
I.e. prepare modification infusorial earth powder.
Modifying agent in the present embodiment be mol ratio be dodecane alkyl polyglucosides quaternary ammonium salt and the cetyl three of 1:1
The mixture of methyl bromide ammonium.
Embodiment 1pH processes the impact of bisphenol-A to modification infusorial earth
Taking 1L bisphenol-A aqueous solution Han 50mg/L, regulating pH respectively with acid solution is 1.0～6.0, adds titanium dioxide
Titanium modification infusorial earth powder 0.3g, adds the hydrogenperoxide steam generator that 1mL concentration is 0.3%, and 40 DEG C of illumination are shaken
Swinging reaction 40min, i.e. realize the process of bisphenol-A, result is shown in Fig. 1.As can be seen from Figure 1, pH > 4.0, bisphenol-A
Clearance begins to decline, and illustrates that pH processes bisphenol-A impact to modification infusorial earth big.
Embodiment 2 temperature processes the impact of bisphenol-A to modification infusorial earth
Take 1L bisphenol-A aqueous solution Han 50mg/L respectively, be 2.0 with acid solution regulation pH, add titanium dioxide
Modification infusorial earth powder 0.3g, adds the hydrogenperoxide steam generator that 1mL concentration is 0.3%, exists the most respectively
30～60 DEG C of illumination oscillating reactions 30min, i.e. realize the process of bisphenol-A, and result is shown in Fig. 2.
Implement 3 bisphenol A concentrations and modification infusorial earth is processed the impact of bisphenol-A
Taking respectively containing 10～120mg/L bisphenol-A aqueous solution 1L, regulating pH respectively with acid solution is 3.0, adds
Titania modified diatomite powder 0.4g, adds the hydrogenperoxide steam generator that 1mL concentration is 0.3%, 50 DEG C
Illumination oscillating reactions 40min, i.e. realizes the process of bisphenol-A, and result is shown in Fig. 3.
Embodiment 4 contrasts modification infusorial earth and processes bisphenol-A effect with ordinary silicon diatomaceous earth
Taking 1L bisphenol-A aqueous solution Han 40mg/L, regulating pH respectively with acid solution is 2.0, adds titanium dioxide
Modification infusorial earth powder 0.3g, adds the hydrogenperoxide steam generator that 1mL concentration is 0.3%, 40 DEG C of illumination vibrations
Reaction 10～60min；Substituting modification infusorial earth repetitive operation as a control group with ordinary silicon diatomaceous earth, result is shown in Fig. 4.
From fig. 4, it can be seen that modification infusorial earth to process bisphenol-A efficiency high, modification infusorial earth compared with ordinary silicon diatomaceous earth,
Ordinary silicon diatomaceous earth occurs that bisphenol-A clearance declines after processing bisphenol-A 30min.
Embodiment 5 hydrogen peroxide processes the impact of bisphenol-A to modification infusorial earth
Taking 1L bisphenol-A aqueous solution Han 60mg/L, regulating pH respectively with acid solution is 4.0, adds titanium dioxide
Modification infusorial earth powder 0.5g, adds the hydrogenperoxide steam generator that 1mL concentration is 0.3%, 45 DEG C of illumination vibrations
Reaction 20min；Substituting hydrogen peroxide repetitive operation as a control group with deionized water, result is shown in Fig. 5.From figure
5 find out, add hydrogen peroxide and can accelerate bisphenol-A decomposition.
Embodiment above describes the several embodiments of the present invention, it is simple to those skilled in the art understands, but
The present invention is not restricted to the described embodiments, and above-described embodiment is only better embodiment of the present invention, without departing from
Under the scope of the principle of the invention, it is combined with the present invention, simply replaces and improve, belong to the present invention and protect
In the range of protecting.
Claims (6)
1. one kind utilizes titania modified kieselguhr to process the method for bisphenol-A in water, it is characterised in that take
1L contains 10～100mg/L bisphenol-A solution, is 2.0～4.0 with acid solution regulation pH, adds modification infusorial earth powder
0.3～0.5g, add the hydrogenperoxide steam generator that 1mL concentration is 0.3%, 40～50 DEG C of illumination oscillating reactionss
20～50min, it is achieved the process of bisphenol-A；Described modification infusorial earth powder preparation method is: be 2:1 by mol ratio
Modifying agent and titanium dioxide dissolve in deionized water, ultrasonic 1h, stand 0.5h, treat that titanium dioxide is uniform
Distribution, obtains mixed solution；Form thick slurry in deionized water by dispersed for diatomite powder, be subsequently adding
Modifying agent and titanium dioxide mixed solution, diatomite powder and mixed solution mass volume ratio (g/L) are 20～30,
It is stirred while adding mixed solution, until after being uniformly dispersed, tripolite solution being taken off at 60～80 DEG C
Water is dried, and crosses 80～100 mesh sieves, prepares modification infusorial earth powder.
The method of bisphenol-A in process water the most according to claim 1, it is characterised in that described modification
Agent is dodecane alkyl polyglucosides quaternary ammonium salt, eight alkyl glucoside quaternary ammonium compound, dodecylbenzene sodium sulfonate, hexadecane
At least one in base trimethylammonium bromide.
The method of bisphenol-A in process water the most according to claim 1 and 2, it is characterised in that described
Process in bisphenol-A aqueous systems and be added with hydrogenperoxide steam generator.
The method of bisphenol-A in process water the most according to claim 1, it is characterised in that described acid is molten
Liquid is HCl, H2SO4、HNO3In any one.
The method of bisphenol-A in process water the most according to claim 1, it is characterised in that described bisphenol-A
Concentration is preferably 60～80mg/L.
The method of bisphenol-A in process water the most according to claim 1, it is characterised in that described reaction
Time is preferably 30min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610341360.7A CN105944661A (en) | 2016-05-20 | 2016-05-20 | Method of treating bisphenol A in water through titanium dioxide modified diatomite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610341360.7A CN105944661A (en) | 2016-05-20 | 2016-05-20 | Method of treating bisphenol A in water through titanium dioxide modified diatomite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105944661A true CN105944661A (en) | 2016-09-21 |
Family
ID=56910516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610341360.7A Pending CN105944661A (en) | 2016-05-20 | 2016-05-20 | Method of treating bisphenol A in water through titanium dioxide modified diatomite |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105944661A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107913712A (en) * | 2017-12-08 | 2018-04-17 | 中山大学 | A kind of titanium dioxide/modification infusorial earth composite material, film and its preparation method and application |
| CN110668770A (en) * | 2019-11-14 | 2020-01-10 | 莱西市星脉先进材料技术中心 | Preparation method of environment-friendly building heat-insulating material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101376098A (en) * | 2008-09-19 | 2009-03-04 | 江苏大学 | Method for preparing visible light responding TiO2 mixed crystal using bergmeal as substrate |
| CN105327679A (en) * | 2015-11-01 | 2016-02-17 | 华南理工大学 | Clay adsorption material applied to organic-heavy metal combined pollution in environment and preparation method and application thereof |
-
2016
- 2016-05-20 CN CN201610341360.7A patent/CN105944661A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101376098A (en) * | 2008-09-19 | 2009-03-04 | 江苏大学 | Method for preparing visible light responding TiO2 mixed crystal using bergmeal as substrate |
| CN105327679A (en) * | 2015-11-01 | 2016-02-17 | 华南理工大学 | Clay adsorption material applied to organic-heavy metal combined pollution in environment and preparation method and application thereof |
Non-Patent Citations (5)
| Title |
|---|
| ANDREAS ZACHARAKIS ET AL.: "Solar Photocatalytic Degradation of Bisphenol A on Immobilized ZnO or TiO2", 《INTERNATIONAL JOURNAL OF PHOTOENERGY》 * |
| GUOLIANG XIANG ET AL.: "Simulated solar-light induced photoelectrocatalytic degradation of bisphenol-A using Fe3+-doped TiO2 nanotube arrays as a photoanode with simultaneous aeration", 《SEPARATION AND PURIFICATION TECHNOLOGY》 * |
| KUO-JONG HSIEN ET AL.: "Preparation of diatomite–TiO2 composite for photodegradation of bisphenol-A in water", 《 JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY》 * |
| SORA KANG ET AL.: "Efficient Removal of Bisphenol A by an Advanced Photocatalytic Oxidation-type UV/H2O2/Fe-loaded TiO2 System", 《BULLETIN OF THE KOREAN CHEMICAL SOCIETY》 * |
| 樊建新等: "CPC协同膨润土处理模拟双酚A 废水的研究", 《重庆交通大学学报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107913712A (en) * | 2017-12-08 | 2018-04-17 | 中山大学 | A kind of titanium dioxide/modification infusorial earth composite material, film and its preparation method and application |
| CN110668770A (en) * | 2019-11-14 | 2020-01-10 | 莱西市星脉先进材料技术中心 | Preparation method of environment-friendly building heat-insulating material |
| CN110668770B (en) * | 2019-11-14 | 2020-12-01 | 绍兴佳惠节能科技有限公司 | Preparation method of environment-friendly building heat-insulating material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103285838B (en) | Preparation method of functional magnetic absorbent used for treating industrial wastewater | |
| CN106517484B (en) | Method for treating organic wastewater by using ferric oxychloride to catalytically activate monopersulfate | |
| CN103920509B (en) | Mesoporous BiOX photochemical catalyst, preparation method and application | |
| CN107930629A (en) | The preparation method of support type charcoal catalysis material | |
| Seidmohammadi et al. | Removal of Metronidazole using ozone activated persulfate from aqua solutions in presence of ultrasound | |
| CN103495428B (en) | Preparation method of carbon nano-tube based Fenton-like catalyst for advanced oxidation system | |
| Wang et al. | Removal of ampicillin sodium in solution using activated carbon adsorption integrated with H2O2 oxidation | |
| CN106111053B (en) | A kind of short-bore road ordered meso-porous silicon oxide-sulfur-indium-zinc composite photo-catalyst and its preparation method and application | |
| Al-Musawi et al. | Preparation of CuFe2O4/montmorillonite nanocomposite and explaining its performance in the sonophotocatalytic degradation process for ciprofloxacin | |
| Yu et al. | Lanthanum modification κ-carrageenan/sodium alginate dual-network aerogels for efficient adsorption of ciprofloxacin hydrochloride | |
| CN108714423A (en) | A kind of water process composite magnetic nano catalytic material and its preparation and application | |
| CN108855083A (en) | A method of sulfa drugs in water removal is removed with modified zeolite activation Peracetic acid | |
| Wang et al. | A novel ZnO/CQDs/PVDF piezoelectric system for efficiently degradation of antibiotics by using water flow energy in pipeline: Performance and mechanism | |
| CN102070237B (en) | COD degradation agent for removing sulfamide from industrial wastewater | |
| CN108176400A (en) | The method of Atrazine in a kind of nano zero valence iron/graphene complex activation persulfate removal water body | |
| CN102489253B (en) | Bismuth ferrate-carbon nano tube, preparation method thereof and method for treating organic dye wastewater by utilizing bismuth ferrate-carbon nano tube | |
| CN104888706A (en) | Magnetically separable compound adsorbent as well as preparation method and application thereof | |
| CN106045152A (en) | Method for degrading rhodamine B through nanometer Fe3O4/Na2S2O8 jointly | |
| CN105944661A (en) | Method of treating bisphenol A in water through titanium dioxide modified diatomite | |
| CN102583636A (en) | Nanometer cobalt-doped titanium dioxide/chitosan composite microspheres for photolyzing organophosphorus pesticide wastewater | |
| CN102659126A (en) | Preparation method and application of iron-manganese composite silicate | |
| Pan et al. | β-Lactoglobulin amyloid fibrils supported Fe (III) to activate peroxydisulfate for organic pollutants elimination | |
| CN103861564B (en) | Preparation based on the graphene oxide adsorbing material that dendrimer is modified | |
| CN109985616A (en) | A kind of catalyst and preparation method thereof of photocatalytic degradation organic wastewater | |
| WO2006081774A1 (en) | METHOD FOR CATALYTIC DEGRADING p-NITROBENZENE SUBSTANCE WITH NANO-Cu2O BY MECHANISM |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160921 |
|
| RJ01 | Rejection of invention patent application after publication |