CN108773870A - A kind of activated carbon base water purification agent - Google Patents
A kind of activated carbon base water purification agent Download PDFInfo
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- CN108773870A CN108773870A CN201810423104.1A CN201810423104A CN108773870A CN 108773870 A CN108773870 A CN 108773870A CN 201810423104 A CN201810423104 A CN 201810423104A CN 108773870 A CN108773870 A CN 108773870A
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
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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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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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
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
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Abstract
The present invention relates to water purification agent technical fields, and in particular to a kind of activated carbon base water purification agent, the activated carbon base water purification agent are made of the substance of following parts by weight：80~150 parts by weight of coconut skin, 20~40 parts by weight of chitosan, 5~6 parts by weight of monoxone, 30~60 parts by weight of polyhydroxy-alcohol, 5~10 parts by weight of Methacrylamide, 1~3 parts by weight of initiator, 0.1~0.5 parts by weight of organosilicon acid esters, 10~30 parts by weight of organic titanate, 2~6 parts by weight of silane coupling agent, 50~60 parts by weight of solvent.The present invention is compound by the progress of porous charcoal, grafting amphoteric chitosan and modifying titanium dioxide, so that water purification agent is had both the functions such as absorption, flocculation and catalytic degradation and is integrated, to have the function that multiple multi-faceted purifying water body；And the raw material sources of the present invention are extensive, of low cost, use scope is wide, has broad application prospects.
Description
Technical field
The present invention relates to water purification agent technical fields, and in particular to a kind of activated carbon base water purification agent.
Background technology
The valuable water resource of protection is an important topic, and especially for China, the worlds freshwater resources Zhi Zhan are flat per capita
Horizontal a quarter.Although current numerous laws and regulations about water conservations such as sewage discharges are put into effect in succession,
China starts late in this regard, shows that China at present is more than that 50% groundwater resources have been contaminated according to correlative study, and
The ratio of bad five classes water is also up to 30%.Therefore, it purifies contaminated water source and uses high-efficient sewage material for water treatment and technology
It has been very urgent.
Traditional water purification agent mainly uses chlorine and hypochlorous acid, can not although the effect of sterilization and microorganism is preferable
Remove the heavy metal and particulate pollutant in sewage.Although flocculant, which includes the materials such as aluminum sulfate, ferric sulfate, can remove sewage
In particulate pollutant, but useful effect can not be played to the decomposition of organic pollution.And with large specific surface area
The effect that material such as activated carbon etc. purifies sewage by physical absorption is single, is not suitable for industrial-scale and uses.
Activated carbon, with graphite microcrystalline structure, the carbonaceous material that hole is flourishing, adsorption capacity is strong, can play dirt as a kind of
The effect of the processing such as water process, air conditioning purge, decoloration, poisonous and harmful substance.But demand and matter with people to activated carbon
Desired continuous improvement is measured, activated carbon also shows many disadvantages, such as single by the effect of physical absorption purification sewage,
Specific surface area is low, and service life is short, has been unable to meet the needs of modern social development, becomes the focus of industry.
Invention content
It is of the existing technology the purpose of the invention is to overcome the problems, such as, a kind of preparation of activated carbon base water purification agent is provided
Method, the activated carbon base water purification agent have both the functions such as absorption, flocculation and catalytic degradation and are integrated, multiple multi-faceted net to reach
Change the effect of water body.
To achieve the goals above, the present invention provides a kind of activated carbon base water purification agent, is made of the substance of following parts by weight：
80~150 parts by weight of coconut skin, 20~40 parts by weight of chitosan, 5~6 parts by weight of monoxone, 30~60 parts by weight of polyhydroxy-alcohol,
5~10 parts by weight of Methacrylamide, 1~3 parts by weight of initiator, 0.1~0.5 parts by weight of organosilicon acid esters, organic titanate
10~30 parts by weight, 2~6 parts by weight of silane coupling agent, 50~60 parts by weight of solvent.
Through the above technical solutions, the present invention is carried out by porous charcoal, grafting amphoteric chitosan and modifying titanium dioxide
It is compound, so that water purification agent is had both the functions such as absorption, flocculation and catalytic degradation and be integrated, to reach multiple multi-faceted purifying water body
Effect.And the raw material sources of the present invention are extensive, of low cost, use scope is wide, has broad application prospects.
Specific implementation mode
The endpoint of disclosed range and any value are not limited to the accurate range or value herein, these ranges or
Value should be understood as comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively
It can be combined with each other between the endpoint value of a range and individual point value, and individually between point value and obtain one or more
New numberical range, these numberical ranges should be considered as specific open herein.
The present invention provides a kind of activated carbon base water purification agent, is made of the substance of following parts by weight：80~150 weight of coconut skin
Part, 20~40 parts by weight of chitosan, 5~6 parts by weight of monoxone, 30~60 parts by weight of polyhydroxy-alcohol, Methacrylamide 5~10
Parts by weight, 1~3 parts by weight of initiator, 0.1~0.5 parts by weight of organosilicon acid esters, 10~30 parts by weight of organic titanate, silane
2~6 parts by weight of coupling agent, 50~60 parts by weight of solvent.Under optimum condition, the activated carbon base water purification agent, by following parts by weight
Substance be made：100~120 parts by weight of coconut skin, 24~36 parts by weight of chitosan, 5~6 parts by weight of monoxone, polyhydroxy-alcohol
40~50 parts by weight, 6~9 parts by weight of Methacrylamide, 1~3 parts by weight of initiator, 0.1~0.5 weight of organosilicon acid esters
Part, 15~25 parts by weight of organic titanate, 2~6 parts by weight of silane coupling agent, 50~60 parts by weight of solvent.
The present invention also provides a kind of preparation methods of the activated carbon base water purification agent, include the following steps：
(1) coconut skin is crushed, is then annealed in inert gas, obtain porous carbon powder；
(2) after chitosan being reacted 1~3h with monoxone at 40~80 DEG C, Methacrylamide is added and initiator exists
After mixing in ethyl alcohol, it is stirred to react 0.5~3h at 50~80 DEG C, obtains graft modification chitosan；
(3) organic titanate and organosilicon acid esters are stirred evenly in a solvent, obtains mixed sols, into mixed sols
Porous carbon powder is added and seals 3~6h of reaction at 80~150 DEG C, obtains modified porous charcoal；
(4) by modification of chitosan and modified porous charcoal, silane coupling agent in polyhydroxy-alcohol after mixing, then microwave
5~10min is reacted, activated carbon base water purification agent is obtained.
Deriving from a wealth of sources for coconut skin, it is of low cost, there is relatively rich pore structure, anneal after being crushed to it, it can
Form porous charcoal.Porous charcoal can adsorb the pollutant in water body, under optimum condition, the annealing process of the coconut skin
For：Annealing temperature is 300~600 DEG C, and annealing time is 2~5h.
Carboxymethyl chitosan, carboxymethyl chitosan and acrylamide are generated using monoxone and chitosan reaction in the present invention
It is further reacted with initiator, obtains grafting amphoteric chitosan；Its spy with carboxymethyl chitosan and polyacrylamide
Point；And chitosan molecule amount is improved by chemical bond linkage between the two, it is enhanced and coheres bridge flocculation effect；In addition,
Due to being easy to the cationic positive charge of band on chitosan saccharide ring amino, and carboxyl carries anion negative electrical charge, can adsorb in water
Charged particle, may be adapted to water body of the processing with different charges, there is good anti-salt property, the pH value range of adaptation is wide.
Since chitosan is biodegradable material, there is the features such as nontoxicity, non-secondary pollution.Under optimum condition, the chitosan
Weight ratio with the Methacrylamide is 4:1.
Organic titanate, organosilicon acid esters are sealed with porous charcoal and are reacted, silicon can be formed inside porous charcoal and mixed
Miscellaneous modifying titanium dioxide, the modified titanium dioxide doped poorly conductive for avoiding titanium dioxide of silicon and light induced electron and hole are easy
The shortcomings that recombination, improves the catalysis effect of titanium dioxide to improve the visible light-responded range and response intensity of titanium dioxide
Rate；To degrade to the organic substance in water body, to improve the cleannes of water body.
Under optimum condition, the weight ratio of the organosilicon acid esters and the organic titanate is 1:(50~100).
Under optimum condition, the organosilicon acid esters in methyl orthosilicate, ethyl orthosilicate, tetrapropoxysilane extremely
Few one kind.
Under optimum condition, the organic titanate be selected from the organic titanate be selected from tetramethoxy titanate ester, tetraethyl titanate,
At least one of tetrabutyl titanate, iso-butyl titanate, isopropyl titanate.
Under optimum condition, the silane coupling agent is selected from aminopropyl triethoxysilane, aminopropyl trimethoxysilane, 2-
Aminoethyl amino propyl trimethoxy silane, divinyl triammonium base propyl trimethoxy silicane, aminoethylaminopropyl methyl dimethoxy oxygen
In base silane, aminoethylaminopropyl triethoxysilane, urea propyl-triethoxysilicane and urea propyl trimethoxy silicane extremely
Few one kind.
Modification of chitosan and modified porous charcoal, silane coupling agent are subjected to 5~10min of microwave reaction in polyhydroxy-alcohol,
Modification of chitosan can be made to be coupled with modified porous charcoal, the water purification agent is made to have both the functions such as absorption, flocculation and catalytic degradation
It is integrated, to have the function that multiple multi-faceted purifying water body.
Under optimum condition, the polyhydroxy-alcohol in ethylene glycol, glycerine, 1,3-PD and polyethylene glycol at least
It is a kind of.
Under optimum condition, the initiator is selected from azo-bis-iso-dimethyl, azo-bis-isobutyrate hydrochloride, azo two
At least one of isobutyl imidazoline hydrochloride, azo isobutyl cyano formamide
Under optimum condition, the frequency of the microwave reaction is 800~1500KHZ.
Under optimum condition, the solvent in triol, ethyl alcohol, isopropanol, propylene glycol, ethylene glycol and water at least one
Kind.
The present invention will be described in detail by way of examples below.
Embodiment 1
A kind of activated carbon base water purification agent, is made of the substance of following parts by weight：100 parts by weight of coconut skin, 32 weight of chitosan
Measure part, 5 parts by weight of monoxone, 45 parts by weight of ethylene glycol, 8 parts by weight of Methacrylamide, 2 weight of azo-bis-iso-dimethyl
Part, 0.5 parts by weight of ethyl orthosilicate, 25 parts by weight of tetrabutyl titanate, 3 parts by weight of aminopropyl triethoxysilane, 60 weight of ethyl alcohol
Measure part.
The preparation method of the activated carbon base water purification agent, includes the following steps：
(1) coconut skin is ground into 300 mesh powders, then anneal in argon atmosphere at 400 DEG C 3h, obtains porous
Charcoal is ground porous charcoal, then crosses 120 mesh sieve, obtains porous carbon powder；
(2) after chitosan being reacted 2h with monoxone at 60 DEG C, Methacrylamide and two isobutyric acid two of azo is added
After mixing, 2h is stirred to react at 60 DEG C in ethanol for methyl esters, obtains graft modification chitosan；
(3) tetrabutyl titanate and ethyl orthosilicate are stirred evenly in ethanol, obtains mixed sols, into mixed sols
Porous carbon powder is added and seals reaction 4h at 120 DEG C, obtains modified porous charcoal；
(4) by modification of chitosan and modified porous charcoal, aminopropyl triethoxysilane in ethylene glycol after mixing, so
The frequency of microwave reaction 5min afterwards, microwave reaction are 1000KHZ, obtain activated carbon base water purification agent.
Embodiment 2
A kind of activated carbon base water purification agent, is made of the substance of following parts by weight：120 parts by weight of coconut skin, 24 weight of chitosan
Measure part, 6 parts by weight of monoxone, 40 parts by weight of 1,3- propylene glycol, 6 parts by weight of Methacrylamide, azo-bis-iso-dimethyl 3
Parts by weight, 0.2 parts by weight of methyl orthosilicate, 15 parts by weight of tetrabutyl titanate, 2 weight of aminoethylaminopropyl triethoxysilane
Part, 50 parts by weight of ethyl alcohol.
The preparation method of the activated carbon base water purification agent, includes the following steps：
(1) coconut skin is ground into 300 mesh powders, then anneal in argon atmosphere at 350 DEG C 4h, obtains porous
Charcoal is ground porous charcoal, then crosses 120 mesh sieve, obtains porous carbon powder；
(2) after chitosan being reacted 1.5h with monoxone at 60 DEG C, Methacrylamide and two isobutyric acid of azo is added
After mixing, 2h is stirred to react at 60 DEG C in ethanol for dimethyl ester, obtains graft modification chitosan；
(3) tetrabutyl titanate and methyl orthosilicate are stirred evenly in ethanol, obtains mixed sols, into mixed sols
Porous carbon powder is added and seals reaction 4h at 100 DEG C, obtains modified porous charcoal；
(4) modification of chitosan and modified porous charcoal, aminoethylaminopropyl triethoxysilane are mixed in 1,3- propylene glycol
After closing uniformly, the frequency of then microwave reaction 6min, microwave reaction are 1200KHZ, obtain activated carbon base water purification agent.
Embodiment 3
A kind of activated carbon base water purification agent, is made of the substance of following parts by weight：100 parts by weight of coconut skin, 36 weight of chitosan
Measure part, 5 parts by weight of monoxone, 50 parts by weight of 1,3- propylene glycol, 9 parts by weight of Methacrylamide, azo-bis-iso-dimethyl 1
Parts by weight, 0.4 parts by weight of tetrapropoxysilane, 20 parts by weight of tetrabutyl titanate, divinyl triammonium base propyl trimethoxy silicane 6
Parts by weight, 60 parts by weight of isopropanol.
The preparation method of the activated carbon base water purification agent, includes the following steps：
(1) coconut skin is ground into 300 mesh powders, then anneal in argon atmosphere at 500 DEG C 2.5h, obtains more
Hole charcoal, is ground porous charcoal, then crosses 120 mesh sieve, obtains porous carbon powder；
(2) after chitosan being reacted 1.5h with monoxone at 75 DEG C, Methacrylamide and two isobutyric acid of azo is added
After mixing, 2h is stirred to react at 60 DEG C in ethanol for dimethyl ester, obtains graft modification chitosan；
(3) tetrabutyl titanate and tetrapropoxysilane are stirred evenly in isopropanol, obtains mixed sols, it is molten to mixing
Porous carbon powder is added in glue and seals reaction 5h at 100 DEG C, obtains modified porous charcoal；
(4) by modification of chitosan and modified porous charcoal, divinyl triammonium base propyl trimethoxy silicane in 1,3- propylene glycol
In after mixing, the frequency of then microwave reaction 6min, microwave reaction are 1000KHZ, obtain activated carbon base water purification agent.
Embodiment 4
A kind of activated carbon base water purification agent, is made of the substance of following parts by weight：80 parts by weight of coconut skin, 40 weight of chitosan
Part, 6 parts by weight of monoxone, 30 parts by weight of polyethylene glycol, 10 parts by weight of Methacrylamide, 3 weight of azo isobutyl cyano formamide
Measure part, 0.1 parts by weight of ethyl orthosilicate, 10 parts by weight of isopropyl titanate, 6 weight of 2- aminoethyl amino propyl trimethoxy silanes
Part, 50 parts by weight of water.
The preparation method of the activated carbon base water purification agent, includes the following steps：
(1) coconut skin is ground into 300 mesh powders, then anneal in argon atmosphere at 300 DEG C 5h, obtains porous
Charcoal is ground porous charcoal, then crosses 120 mesh sieve, obtains porous carbon powder；
(2) after chitosan being reacted 1h with monoxone at 80 DEG C, Methacrylamide and azo isobutyl cyano first is added
After mixing, 0.5h is stirred to react at 80 DEG C in ethanol for amide, obtains graft modification chitosan；
(3) isopropyl titanate and ethyl orthosilicate are stirred evenly in water, obtains mixed sols, added into mixed sols
Enter porous carbon powder and seal reaction 3h at 150 DEG C, obtains modified porous charcoal；
(4) modification of chitosan and modified porous charcoal, 2- aminoethyl amino propyl trimethoxy silanes are mixed in polyethylene glycol
After closing uniformly, the frequency of then microwave reaction 10min, microwave reaction are 800KHZ, obtain activated carbon base water purification agent.
Embodiment 5
A kind of activated carbon base water purification agent, is made of the substance of following parts by weight：150 parts by weight of coconut skin, 20 weight of chitosan
Measure part, 5 parts by weight of monoxone, 60 parts by weight of ethylene glycol, 5 parts by weight of Methacrylamide, 1 weight of azo isobutyl cyano formamide
Part, 0.5 parts by weight of ethyl orthosilicate, 30 parts by weight of isopropyl titanate, 2 parts by weight of 2- aminoethyl amino propyl trimethoxy silanes,
60 parts by weight of water.
The preparation method of the activated carbon base water purification agent, includes the following steps：
(1) coconut skin is ground into 200 mesh powders, then anneal in argon atmosphere at 600 DEG C 2h, obtains porous
Charcoal is ground porous charcoal, then crosses 120 mesh sieve, obtains porous carbon powder；
(2) after chitosan being reacted 3h with monoxone at 40 DEG C, Methacrylamide and azo isobutyl cyano first is added
After mixing, 3h is stirred to react at 50 DEG C in ethanol for amide, obtains graft modification chitosan；
(3) isopropyl titanate and ethyl orthosilicate are stirred evenly in water, obtains mixed sols, added into mixed sols
Enter porous carbon powder and seal reaction 6h at 80 DEG C, obtains modified porous charcoal；
(4) modification of chitosan and modified porous charcoal, 2- aminoethyl amino propyl trimethoxy silanes are mixed in ethylene glycol
After uniformly, the frequency of then microwave reaction 5min, microwave reaction are 1500KHZ, obtain activated carbon base water purification agent.
Comparative example 1
A kind of activated carbon base water purification agent, is made of the substance of following parts by weight：100 parts by weight of coconut skin, 32 weight of chitosan
Measure part, 0.5 parts by weight of ethyl orthosilicate, 25 parts by weight of tetrabutyl titanate, 3 parts by weight of aminopropyl triethoxysilane, ethyl alcohol 60
Parts by weight.
The preparation method of the activated carbon base water purification agent, includes the following steps：
(1) coconut skin is ground into 300 mesh powders, then anneal in argon atmosphere at 400 DEG C 3h, obtains porous
Charcoal is ground porous charcoal, then crosses 120 mesh sieve, obtains porous carbon powder；
(2) tetrabutyl titanate and ethyl orthosilicate are stirred evenly in ethanol, obtains mixed sols, into mixed sols
Porous carbon powder is added and seals reaction 4h at 120 DEG C, obtains modified porous charcoal；
(3) by chitosan and modified porous charcoal, aminopropyl triethoxysilane in ethylene glycol after mixing, it is then micro-
Wave reacts 5min, and the frequency of microwave reaction is 1000KHZ, obtains activated carbon base water purification agent.
Comparative example 2
A kind of activated carbon base water purification agent, is made of the substance of following parts by weight：100 parts by weight of coconut skin, 32 weight of chitosan
Measure part, 5 parts by weight of monoxone, 45 parts by weight of ethylene glycol, 8 parts by weight of Methacrylamide, 2 weight of azo-bis-iso-dimethyl
Part, 25 parts by weight of tetrabutyl titanate, 3 parts by weight of aminopropyl triethoxysilane, 60 parts by weight of ethyl alcohol.
The preparation method of the activated carbon base water purification agent, includes the following steps：
(1) coconut skin is ground into 300 mesh powders, then anneal in argon atmosphere at 400 DEG C 3h, obtains porous
Charcoal is ground porous charcoal, then crosses 120 mesh sieve, obtains porous carbon powder；
(2) after chitosan being reacted 2h with monoxone at 60 DEG C, Methacrylamide and two isobutyric acid two of azo is added
After mixing, 2h is stirred to react at 60 DEG C in ethanol for methyl esters, obtains graft modification chitosan；
(3) tetrabutyl titanate is stirred evenly in ethanol, obtains colloidal sol, porous carbon powder is added into colloidal sol 120
Sealing reaction 4h, obtains modified porous charcoal at DEG C；
(4) by modification of chitosan and modified porous charcoal, aminopropyl triethoxysilane in ethylene glycol after mixing, so
The frequency of microwave reaction 5min afterwards, microwave reaction are 1000KHZ, obtain activated carbon base water purification agent.
The preferred embodiment of the present invention has been described above in detail, and still, the present invention is not limited thereto.In the skill of the present invention
In art conception range, technical scheme of the present invention can be carried out a variety of simple variants, including each technical characteristic with it is any its
Its suitable method is combined, and it should also be regarded as the disclosure of the present invention for these simple variants and combination, belongs to
Protection scope of the present invention.
Claims (9)
1. a kind of activated carbon base water purification agent, which is characterized in that be made of the substance of following parts by weight：80~150 weight of coconut skin
Part, 20~40 parts by weight of chitosan, 5~6 parts by weight of monoxone, 30~60 parts by weight of polyhydroxy-alcohol, Methacrylamide 5~10
Parts by weight, 1~3 parts by weight of initiator, 0.1~0.5 parts by weight of organosilicon acid esters, 10~30 parts by weight of organic titanate, silane
2~6 parts by weight of coupling agent, 50~60 parts by weight of solvent.
2. activated carbon base water purification agent according to claim 1, which is characterized in that be made of the substance of following parts by weight：Coconut palm
100~120 parts by weight of sub- skin, 24~36 parts by weight of chitosan, 5~6 parts by weight of monoxone, 40~50 parts by weight of polyhydroxy-alcohol,
6~9 parts by weight of Methacrylamide, 1~3 parts by weight of initiator, 0.1~0.5 parts by weight of organosilicon acid esters, organic titanate 15
~25 parts by weight, 2~6 parts by weight of silane coupling agent, 50~60 parts by weight of solvent.
3. activated carbon base water purification agent according to claim 1, which is characterized in that the chitosan and the methacryl
The weight ratio of amine is 4:1.
4. activated carbon base water purification agent according to claim 1, which is characterized in that the polyhydroxy-alcohol is selected from ethylene glycol, third
At least one of triol, 1,3- propylene glycol and polyethylene glycol.
5. activated carbon base water purification agent according to claim 1, which is characterized in that the organosilicon acid esters and the organic titanium
The weight ratio of acid esters is 1:(50~100).
6. activated carbon base water purification agent according to claim 1, which is characterized in that the organosilicon acid esters is selected from positive silicic acid first
At least one of ester, ethyl orthosilicate, tetrapropoxysilane.
7. activated carbon base water purification agent according to claim 1, which is characterized in that the organic titanate is selected from described organic
Titanate esters are selected from least one of tetramethoxy titanate ester, tetraethyl titanate, tetrabutyl titanate, iso-butyl titanate, isopropyl titanate.
8. activated carbon base water purification agent according to claim 1, which is characterized in that the silane coupling agent is selected from aminopropyl three
Ethoxysilane, aminopropyl trimethoxysilane, 2- aminoethyl amino propyl trimethoxy silanes, divinyl triammonium base propyl front three
Oxysilane, aminoethylaminopropyl methyl dimethoxysilane, aminoethylaminopropyl triethoxysilane, urea propyl triethoxy
At least one of silane and urea propyl trimethoxy silicane.
9. activated carbon base water purification agent according to claim 1, which is characterized in that the solvent is selected from triol, ethyl alcohol, isopropyl
At least one of alcohol, propylene glycol, ethylene glycol and water.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1986439A (en) * | 2005-12-20 | 2007-06-27 | 北京兴荣恒科技有限公司 | Nano water purificant |
| CN101716360A (en) * | 2009-12-18 | 2010-06-02 | 南通市建筑工程质量检测中心 | Method for production of chitosan/nanometer titanium dioxide complex air-purifying agent |
| CN101880356A (en) * | 2010-07-12 | 2010-11-10 | 南京大学 | Preparation method of grafting amphoteric chitosan flocculant |
| CN106268641A (en) * | 2016-09-09 | 2017-01-04 | 广西大学 | A kind of N TiO2bombyx mori L. porous charcoal bifunctional adsorbent and preparation method thereof |
-
2018
- 2018-05-05 CN CN201810423104.1A patent/CN108773870A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1986439A (en) * | 2005-12-20 | 2007-06-27 | 北京兴荣恒科技有限公司 | Nano water purificant |
| CN101716360A (en) * | 2009-12-18 | 2010-06-02 | 南通市建筑工程质量检测中心 | Method for production of chitosan/nanometer titanium dioxide complex air-purifying agent |
| CN101880356A (en) * | 2010-07-12 | 2010-11-10 | 南京大学 | Preparation method of grafting amphoteric chitosan flocculant |
| CN106268641A (en) * | 2016-09-09 | 2017-01-04 | 广西大学 | A kind of N TiO2bombyx mori L. porous charcoal bifunctional adsorbent and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 高桂枝等: "《新编大学化学实验》", 31 December 2011, 中国环境科学出版社 * |
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Application publication date: 20181109 |
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