CN106345396A - Preparation method of nano TiO2 adsorbent for purifying oily substance in water - Google Patents
Preparation method of nano TiO2 adsorbent for purifying oily substance in water Download PDFInfo
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- CN106345396A CN106345396A CN201610970928.1A CN201610970928A CN106345396A CN 106345396 A CN106345396 A CN 106345396A CN 201610970928 A CN201610970928 A CN 201610970928A CN 106345396 A CN106345396 A CN 106345396A
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- water
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- adsorbent
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- 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
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
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- 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
- B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
- B01J20/0225—Compounds of Fe, Ru, Os, Co, Rh, Ir, Ni, Pd, Pt
- B01J20/0229—Compounds of Fe
-
- 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
- B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
- B01J20/024—Compounds of Zn, Cd, Hg
- B01J20/0244—Compounds of Zn
-
- 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
- B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
- B01J20/0259—Compounds of N, P, As, Sb, Bi
-
- 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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/32—Hydrocarbons, e.g. oil
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Cosmetics (AREA)
Abstract
The invention discloses a preparation method of a nano TiO2 adsorbent for purifying oily substances in water, which is characterized by the polyhydroxyl and polycarboxylate modification of the nano titanium dioxide surface and the hybridization of iron, zinc, phosphorus and other elements to obtain the nano TiO2 adsorbent with strong adsorption capacity to oily substances in water. Compared with the prior art, the nano TiO2 adsorbent disclosed by the invention can adsorb or desorb organic matters in water through pH regulation, and realizes multiple times of reuse and high utilization efficiency. Especially, the adsorption of the organic matters in water is not limited by polarity, resulting in good economic efficiency. The preparation method is simple in process and low in production cost, and is conducive to industrial scale production.
Description
Technical field
The present invention relates to sump oil absorption and purification techniques field, more particularly, to a kind of surface is through hydroxyl and carboxyl water dispersible
Organic decoration can ph value adjust the medium oil material of purified water nanometer tio2Sorbent preparation method.
Background technology
The adsorption treatment of pollutant in environment, generally uses the absorption that absorbent charcoal material carries out air and organic pollutants
Purified treatment, also has the zeolitic materials using loose structure to carry out the dirty water decontamination handles.
Chinese patent cn201510192275.4 " a kind of preparation of new rice husk base carbon modified silicon compound adsorbent " be by
Desiliconization rice hull active carbon is obtained after the rice husk steam activation crossed with base extraction, and loads the tio with photocatalysiss2
Material, obtains adsorbing material after high-temperature calcination.But these process have some limitations in use, such as activated carbon
The absorption property of the Organic substance weak to polarity is excellent, but the energy of adsorption to Organic substances such as the relatively strong alcohols of polarity, rudimentary ethers
Power is just very weak.By after Adsorption of Organic saturation, absorption property just loses these adsorbing materials, and such material is difficult to regenerate,
The regeneration cost of some materials such as activated carbon is relatively high, and regeneration times are seldom, thus regeneration loses practical value.Chinese patent
Cn201510179765.0 " a kind of preparation method of organic/inorganic hybridization material poss-pdmaema biphase absorption organic dyestuff "
It is the amphiphilic performance being had using the organic-inorganic hybrid material containing poss, reach the purpose of biphase absorption organic dyestuff.In
State's patent cn201510574119.4 " a kind of method of efficient process oil pollution waste water capable of circulation " is to utilize CNT
To process oil pollution waste water as adsorbent and to reclaim petroleum resources, CNT can be with Reusability, and the method is to water
Middle oil content does not have ceiling restriction.But the complicated process of preparation of CNT, preparation cost is high and yield is not high it is difficult to big
Area carries out industrial applications.
Nano titanium oxide is come out in the later stage eighties, according to tio2Powder crystal structure, is classified as rutile-type
(rutile), Detitanium-ore-type (anatase), brookite type and unformed tio2.Nanometer tio2Particle diameter mostly is 10～50nm, due to
Particle is thinner, and it absorbs UV resistance than common tio2Much better than.tio2Unique optical property and its electrical property so as to
The various fields such as catalyst field, ultraviolet-resistant absorbent, gas-sensitive sensor device are with a wide range of applications, its uniqueness super
Hydrophilic and repellency also make it have broad application prospects in terms of the absorption of oily matter.
Content of the invention
The purpose of the present invention is a kind of nanometer of the medium oil material of purified water providing for the deficiencies in the prior art
tio2Sorbent preparation method, using the modification that nano titanium oxide surface is carried out with polyhydroxy and many carboxyls and ferrum, zinc, phosphorusDeng ElementHydridization process so as to medium oil material has extremely strong absorbability to water, and can by ph value regulation adsorb or
Organic substance in desorbing attached water, thus realizing repeatedly using, service efficiency does not reduce, and it is to the Organic substance in water
Absorption do not limited by polarity, good economy performance, preparation process is simple, low production cost, beneficial to industrial-scale production.
The object of the present invention is achieved like this: a kind of nanometer tio of the medium oil material of purified water2Adsorbent preparation side
Method, is characterized in that the preparation of this adsorbent is carried out in the steps below:
A, polymer Ao's mixture and alcohols are pressed 0.5 ~ 2.3:4.5 ~ 15.2 mixed in molar ratio is a solution for later use, described polymer
Graft copolymer dispersant, polylactide or methacrylic acid that Ao's mixture is polymerized with alcohol for carboxylic acid, wherein carboxylic acid is
c2~18Binary acid or hydroxy carboxylic acid, alcohol is c2~18Aliphatic dihydric alcohol or sugar alcohol；Described alcohols is methanol, ethanol, propanol, different
Propanol or butyl alcohol-tert.
B, titanium source and a solution, water and alcohols are pressed 1 ~ 5.5 mol:0.3 ~ 30ml:50 ~ 90ml:5 ~ 60 ml molal volume
Ratio is mixed into b solution, and described titanium source is one of butyl titanate, titanium tetrachloride or titanyl sulfate or two or more mixing
Close；Described alcohols is methanol, ethanol, propanol, isopropanol or butyl alcohol-tert.
C, aqueous slkali is added the b solution stirring of above-mentioned preparation mix, be subsequently adding in iron salt, zinc salt and phosphorus compound
One or more mixing, stirring reaction 1～7 hour at a temperature of 50 ~ 110 DEG C, reactant liquor is dried after solvent through removing,
Prepared product is the nanometer that rutile ore crystal formation, anatase crystal or rutile ore and anatase mix crystal formation by a certain percentage
tio2The rubbing of adsorbent, described aqueous slkali and one of b solution and iron salt, zinc salt or phosphorus compound or two or more mixing
That volume ratio is: 0.1 ~ 3.5 mol:800 ~ 1200ml:1.0 ~ 12.5mol；Described iron salt is ferric chloride, ferrous chloride
Or aluminium iron sulfate；Described zinc salt is zinc chloride, zinc sulfate or zinc nitrate；Described phosphorus compound be sodium phosphate, dalcium biphosphate or
Dipotassium hydrogen phosphate.
The present invention compared with prior art has the absorbability extremely strong to the medium oil material of water, and can be adjusted by ph value
Organic substance in absorption or desorbing attached water, realizes repeatedly using, and utilization ratio is high, the especially suction to the Organic substance in water
Attached do not limited by polarity, good economy performance, preparation process is simple, low production cost, beneficial to industrial-scale production.
Below by specific embodiment, the invention will be further described.
Specific embodiment
Embodiment 1
A, 1.50mol graft copolymer dispersant is mixed with 4.55mol isopropanol, be stirred for a solution for later use.
B, 5mol butyl titanate is mixed with 60ml water and 7ml butyl alcohol-tert, then mixed liquor is added a of above-mentioned preparation
In solution, stirring is mixed into b solution for later use.
C, the naoh solution (containing 0.25molnaoh) being 5.00mol/l by 50ml concentration add the b of above-mentioned preparation molten
In liquid, stirring mixing, is subsequently adding 1.35mol ferric chloride, 4.82mol ferrous sulfate, 2.55mol zinc sulfate and 1.20mol phosphorus
Acid dihydride calcium, stirring reaction 3 hours at a temperature of 95 DEG C, reactant liquor is dried after solvent through removing, and prepared product is anatase
Nanometer tio of crystal formation2Adsorbent, its particle diameter is 10 nanometers.
Embodiment 2
A, 2.20mol methacrylic acid is mixed with 6.35mol butyl alcohol-tert, be stirred for a solution for later use.
B, 7mol titanyl sulfate is mixed with 55ml water and 10ml isopropanol, then mixed liquor is added a of above-mentioned preparation
In solution, stirring is mixed into b solution for later use.
C, the naoh solution being 20.00mol/l by 100ml concentration add (containing 2.00molnaoh) b of above-mentioned preparation
In solution, stirring mixing, is subsequently adding 3.12mol ferric chloride, 1.65mol ferrous sulfate, 0.55mol zinc sulfate and 0.37mol
Dalcium biphosphate, stirring reaction 6 hours at a temperature of 70 DEG C, reactant liquor is dried after solvent through removing, and prepared product is 60%
Nanometer tio of anatase and 40% rutile ore mixing crystal formation2Adsorbent, its particle diameter is 10 nanometers.
Embodiment 3
A, by 2.30mol methacrylic acid and 4.55mol methanol mixed, be stirred for a solution for later use.
B, 7mol titanyl sulfate is mixed with 55ml water and 10ml isopropanol, then mixed liquor is added a of above-mentioned preparation
In solution, stirring is mixed into b solution for later use.
C, the naoh solution being 10.00mol/l by 100ml concentration add (containing 1.00molnaoh) b of above-mentioned preparation
In solution, stirring mixing, is subsequently adding 4.15mol ferric chloride and 6.65mol ferrous sulfate, stirring reaction 4 at a temperature of 80 DEG C
Hour, reactant liquor is dried after solvent through removing, and prepared product is nanometer tio of rutile ore crystal formation2Adsorbent, its particle diameter is
10 nanometers.
Embodiment 4
A, by 2.30mol methacrylic acid and 4.55mol methanol mixed, be stirred for a solution for later use.
B, 7mol titanyl sulfate is mixed with 55ml water and 10ml isopropanol, then mixed liquor is added a of above-mentioned preparation
In solution, stirring is mixed into b solution for later use.
C, the naoh solution (containing 0.50molnaoh) being 5.00mol/l by 100ml concentration add the b of above-mentioned preparation molten
In liquid, stirring mixing, is subsequently adding 4.15mol ferric chloride and 6.65mol ferrous sulfate, stirring reaction 7 is little at a temperature of 98 DEG C
When, reactant liquor is dried after solvent through removing, and prepared product is nanometer tio of rutile ore crystal formation2Adsorbent, its particle diameter is 18
Nanometer.
Embodiment 5
A, 1.550mol methacrylic acid is mixed with 7.32mol butyl alcohol-tert, be stirred for a solution for later use.
B, 7mol titanyl sulfate is mixed with 55ml water and 10ml isopropanol, then mixed liquor is added a of above-mentioned preparation
In solution, stirring is mixed into b solution for later use.
C, the naoh solution (containing 2.00molnaoh) being 20.00mol/l by 100ml concentration add the b of above-mentioned preparation molten
In liquid, stirring mixing, is subsequently adding 2.55mol zinc sulfate and 1.37mol dalcium biphosphate, stirring reaction 3 is little at a temperature of 60 DEG C
When, reactant liquor is dried after solvent through removing, and prepared product is the nanometer of 50% anatase and 50% rutile ore mixing crystal formation
tio2Adsorbent, its particle diameter is 30 nanometers.
From the various embodiments described above, pure rutile crystal formation, pure anatase crystal type or rutile can be obtained by the present invention
The crystal formation that crystal formation and anatase crystal type mix by a certain percentage, and the grain from several nanometers to tens nanometer range can be obtained
Footpath, products distribution is uniform.Synthesized nanometer tio2Surface is by the organo-functional group institute of a certain proportion of hydroxyl, carboxyl or alkyl
Modify, therefore there is in water and alcohol good dispersibility.The product of present invention preparation, except having common nanometer tio2Had
Uvioresistant, sterilization, also there is following performance: the good dispersion of crystallized product, Ke Yi outside the performance such as photocatalysis and anaclasis
Crystallization formation carries out surface in uniform and stable liquid-phase system and modifies, so can form pure surface modification product.Due to
Alkyd can make titanium ion form stable hydrogel, hydrolyze again and can obtain all after adding hydridization ion in the hydrogel
Nanometer tio of even hydridization2.The active functional group of its surface (as hydroxyl, carboxyl), can carry out difference according to actual requirement
The modification of group, to meet different use requirements.The nano titanium oxide tool of the inventive method preparation has been widely used, and makees
Can be used for the fields such as cosmetics, weaving, plastics, glass for anti ultraviolet agent；Can be used for farmland sterilization, bathroom, pottery as antibacterial
The fields such as porcelain, plastics, coating, daily use chemicals；Can be used for the fields such as senior finish paint, exterior coating, daily use chemicals as optical brightener, also can apply
In fields such as infrared shielding, self-cleaning, antifog, absorbing and deodorizing and contaminant degradations.
Above simply the present invention will be further described, and is not used to limit this patent, all for equivalence enforcement of the present invention, all
Should be contained within the right of this patent.
Claims (1)
1. nanometer tio of the medium oil material of a kind of purified water2Sorbent preparation method is it is characterised in that the preparation of this adsorbent is pressed
Following step is carried out:
A, polymer Ao's mixture and alcohols are pressed 0.5 ~ 2.3:4.5 ~ 15.2 mixed in molar ratio is a solution for later use, described polymer
Graft copolymer dispersant, polylactide or methacrylic acid that Ao's mixture is polymerized with alcohol for carboxylic acid, wherein carboxylic acid is
c2~18Binary acid or hydroxy carboxylic acid, alcohol is c2~18Aliphatic dihydric alcohol or sugar alcohol；Described alcohols is methanol, ethanol, propanol, different
Propanol or butyl alcohol-tert；
B, titanium source is mixed by 1 ~ 5.5mol:0.3 ~ 30ml:50 ~ 90ml:5 ~ 60 ml molal volume ratio with a solution, water and alcohols
For b solution, described titanium source is one of butyl titanate, titanium tetrachloride or titanyl sulfate or two or more mixing；Described
Alcohols is methanol, ethanol, propanol, isopropanol or butyl alcohol-tert；
C, aqueous slkali is added the b solution stirring of above-mentioned preparation mix, be subsequently adding one of iron salt, zinc salt and phosphorus compound
Or two or more mixing, stirring reaction 1～7 hour at a temperature of 50 ~ 110 DEG C, reactant liquor is dried after solvent through removing, and is obtained
Product be nanometer tio that rutile ore crystal formation, anatase crystal or rutile ore and anatase mix crystal formation by a certain percentage2
Adsorbent, described aqueous slkali and one of b solution and iron salt, zinc salt or phosphorus compound or mole body of two or more mixing
Long-pending ratio is 0.1 ~ 3.5 mol:800 ~ 1200ml:1.0 ~ 12.5mol；Described iron salt is ferric chloride, ferrous chloride or sulphuric acid
Ferro-aluminum；Described zinc salt is zinc chloride, zinc sulfate or zinc nitrate；Described phosphorus compound is sodium phosphate, dalcium biphosphate or phosphoric acid hydrogen
Dipotassium.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610970928.1A CN106345396A (en) | 2016-11-07 | 2016-11-07 | Preparation method of nano TiO2 adsorbent for purifying oily substance in water |
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| CN201610970928.1A CN106345396A (en) | 2016-11-07 | 2016-11-07 | Preparation method of nano TiO2 adsorbent for purifying oily substance in water |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107720813A (en) * | 2017-11-10 | 2018-02-23 | 伦慧东 | A kind of method that dispersion method in situ prepares titanium oxide dispersion liquid |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1530327A (en) * | 2003-03-12 | 2004-09-22 | 上海拜坡生物科技有限公司 | Preparing method for crystalline nanometer titania material with controllable size |
| CN1733610A (en) * | 2005-04-18 | 2006-02-15 | 江苏大学 | Method for preparing rutile type nanometer Ti02 in low temperature using carboxylic acid as finishing agent |
| CN101618342A (en) * | 2008-07-02 | 2010-01-06 | 黑龙江大学 | Polymer modified high-activity nano titanium dioxide catalyst and preparation method thereof |
| CN102500426A (en) * | 2011-09-22 | 2012-06-20 | 中国矿业大学 | Low-temperature two-step method for preparing composite anatase type titanium dioxide visible light catalyst |
| CN103394343A (en) * | 2013-08-16 | 2013-11-20 | 河海大学 | Preparation method and application of metal-doped titanium dioxide material |
-
2016
- 2016-11-07 CN CN201610970928.1A patent/CN106345396A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1530327A (en) * | 2003-03-12 | 2004-09-22 | 上海拜坡生物科技有限公司 | Preparing method for crystalline nanometer titania material with controllable size |
| CN1733610A (en) * | 2005-04-18 | 2006-02-15 | 江苏大学 | Method for preparing rutile type nanometer Ti02 in low temperature using carboxylic acid as finishing agent |
| CN101618342A (en) * | 2008-07-02 | 2010-01-06 | 黑龙江大学 | Polymer modified high-activity nano titanium dioxide catalyst and preparation method thereof |
| CN102500426A (en) * | 2011-09-22 | 2012-06-20 | 中国矿业大学 | Low-temperature two-step method for preparing composite anatase type titanium dioxide visible light catalyst |
| CN103394343A (en) * | 2013-08-16 | 2013-11-20 | 河海大学 | Preparation method and application of metal-doped titanium dioxide material |
Non-Patent Citations (1)
| Title |
|---|
| 张海燕等: ""光催化氧化处理含油污水的研究"", 《化工进展》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107720813A (en) * | 2017-11-10 | 2018-02-23 | 伦慧东 | A kind of method that dispersion method in situ prepares titanium oxide dispersion liquid |
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