CN108726620A - Composite modified carbon-based water purification catridge of one kind and preparation method thereof - Google Patents
Composite modified carbon-based water purification catridge of one kind and preparation method thereof Download PDFInfo
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- 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
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- 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
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
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- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
- C08B37/0009—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid alpha-D-Glucans, e.g. polydextrose, alternan, glycogen; (alpha-1,4)(alpha-1,6)-D-Glucans; (alpha-1,3)(alpha-1,4)-D-Glucans, e.g. isolichenan or nigeran; (alpha-1,4)-D-Glucans; (alpha-1,3)-D-Glucans, e.g. pseudonigeran; Derivatives thereof
- C08B37/0012—Cyclodextrin [CD], e.g. cycle with 6 units (alpha), with 7 units (beta) and with 8 units (gamma), large-ring cyclodextrin or cycloamylose with 9 units or more; Derivatives thereof
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Abstract
The present invention relates to technical field of water body purification, and in particular to composite modified carbon-based water purification catridge of one kind and preparation method thereof, the preparation method of the composite modified carbon-based water purification catridge includes the following steps：Orange peel is annealed to obtain porous carbon powder；Beta-cyclodextrin is reacted with monoxone, N-METHYLFORMAMIDE successively, obtains graft modification beta-cyclodextrin；Organic titanate, soluble metallic salt are reacted with porous charcoal powder-tight, obtain modified porous charcoal；Will modified beta-cyclodextrin and modified porous charcoal, silane coupling agent it is compound, obtain composite modified carbon-based water purification agent, after composite modified carbon-based water purification agent is mixed with PP resins and sodium bicarbonate, moulding by casting after cooling and solidifying, obtains composite modified carbon-based water purification catridge.The present invention is compound by the progress of porous charcoal, grafting amphoteric chitosan and modifying titanium dioxide, so that water purification catridge 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.
Description
Technical field
The present invention relates to technical field of water body purification, and in particular to the composite modified carbon-based water purification catridge of one kind and its preparation side
Method.
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 catridge mainly uses chlorine and hypochlorous acid, although the effect of sterilization and microorganism is preferable, not
The heavy metal and particulate pollutant in sewage can be removed.Although flocculant, which includes the materials such as aluminum sulfate, ferric sulfate, can go to decontaminate
Particulate pollutant in water, but useful effect can not be played to the decomposition of organic pollution.And there is large specific surface area
Material such as activated carbon etc. purified by physical absorption sewage effect it is single, be not suitable for industrial-scale and use.
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 composite modified carbon-based water purification catridge is provided
Preparation method, which has both the functions such as absorption, flocculation and catalytic degradation and is integrated, to reach
The effect of multiple multi-faceted purifying water body.
To achieve the goals above, the present invention provides a kind of preparation method of composite modified carbon-based water purification catridge, including with
Lower step：
(1) orange peel is crushed, is then annealed in inert gas, obtain porous carbon powder；
(2) after beta-cyclodextrin being reacted 1~3h with monoxone at 40~80 DEG C, N-METHYLFORMAMIDE and initiator is added
In ethanol after mixing, it is stirred to react 0.5~3h at 50~80 DEG C, obtains graft modification beta-cyclodextrin；
(3) organic titanate and soluble metallic salt are stirred evenly in a solvent, obtains mixed sols, to mixed sols
The middle porous carbon powder of addition seals 3~6h of reaction at 80~150 DEG C, obtains modified porous charcoal；
(4) will modified beta-cyclodextrin and modified porous charcoal, silane coupling agent in polyvinyl alcohol after mixing, it is then micro-
Wave reacts 5~10min, obtains composite modified carbon-based water purification agent；
(5) after mixing by composite modified carbon-based water purification agent and PP resins, sodium bicarbonate, it is poured into a mould at 100~150 DEG C
It is molded, after cooling and solidifying, obtains being based on diatomaceous water body purification filter core.
A kind of composite modified carbon-based water purification catridge, is prepared according to the preparation method.
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 catridge 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 composite modified carbon-based water purification catridge, is made of the substance of following parts by weight：Orange peel 80~150
Parts by weight, 20~40 parts by weight of beta-cyclodextrin, 5~6 parts by weight of monoxone, 30~60 parts by weight of polyvinyl alcohol, N- methyl formyls
5~10 parts by weight of amine, 1~3 parts by weight of initiator, 0.1~0.5 parts by weight of soluble metallic salt, 10~30 weight of organic titanate
Measure part, 2~6 parts by weight of silane coupling agent, 300~500 parts by weight of PP resins, 20~50 parts by weight of sodium bicarbonate, solvent 50~
60 parts by weight.Under optimum condition, the composite modified carbon-based water purification catridge is made of the substance of following parts by weight：Orange peel 100~
120 parts by weight, 24~36 parts by weight of beta-cyclodextrin, 5~6 parts by weight of monoxone, 40~50 parts by weight of polyvinyl alcohol, N- methyl first
6~9 parts by weight of amide, 1~3 parts by weight of initiator, 0.1~0.5 parts by weight of soluble metallic salt, 15~25 weight of organic titanate
Measure part, 2~6 parts by weight of silane coupling agent, 300~500 parts by weight of PP resins, 20~50 parts by weight of sodium bicarbonate, solvent 50~
60 parts by weight.
The present invention also provides a kind of preparation methods of the composite modified carbon-based water purification catridge, include the following steps：
(1) orange peel is crushed, is then annealed in inert gas, obtain porous carbon powder；
(2) after beta-cyclodextrin being reacted 1~3h with monoxone at 40~80 DEG C, N-METHYLFORMAMIDE and initiator is added
In ethanol after mixing, it is stirred to react 0.5~3h at 50~80 DEG C, obtains graft modification beta-cyclodextrin；
(3) organic titanate and soluble metallic salt are stirred evenly in a solvent, obtains mixed sols, to mixed sols
The middle porous carbon powder of addition seals 3~6h of reaction at 80~150 DEG C, obtains modified porous charcoal；
(4) will modified beta-cyclodextrin and modified porous charcoal, silane coupling agent in polyvinyl alcohol after mixing, it is then micro-
Wave reacts 5~10min, obtains composite modified carbon-based water purification agent；
(5) after mixing by composite modified carbon-based water purification agent and PP resins, sodium bicarbonate, it is poured into a mould at 100~150 DEG C
It is molded, after cooling and solidifying, obtains being based on diatomaceous water body purification filter core.
Deriving from a wealth of sources for orange peel, it is of low cost, there is relatively rich pore structure, anneal after being crushed to it, it being capable of shape
At porous charcoal.Porous charcoal can adsorb the pollutant in water body, and under optimum condition, the annealing process of the orange peel is：
Annealing temperature is 300~600 DEG C, and annealing time is 2~5h.
Carboxymethyl-β-cyclodextrin, carboxymethyl-β-cyclodextrin and third are generated using monoxone and beta-cyclodextrin reaction in the present invention
Acrylamide and initiator further react, and obtain grafting amphoteric beta-cyclodextrin；It is with carboxymethyl-β-cyclodextrin and poly- third
The dual characteristics of acrylamide；And beta-cyclodextrin molecular weight is improved by chemical bond linkage between the two, it is enhanced and coheres frame
Bridge flocculation；Further, since it is easy to the cationic positive charge of band on beta-cyclodextrin saccharide ring amino, and carboxyl is negative with anion
Charge can adsorb the charged particle in water, may be adapted to water body of the processing with different charges, have good anti-salt property,
The pH value range of adaptation is wide.Since beta-cyclodextrin is biodegradable material, there is the features such as nontoxicity, non-secondary pollution.It is excellent
Under the conditions of choosing, the weight ratio of the beta-cyclodextrin and the N-METHYLFORMAMIDE is 4:1.
Organic titanate, soluble metallic salt are sealed with porous charcoal and reacted, gold can be formed inside porous charcoal
Belong to element doping modifying titanium dioxide (i.e. photocatalyst), the modified titanium dioxide doped conduction for avoiding titanium dioxide of metallic element
Property difference and light induced electron and hole the shortcomings that being easy recombination, the visible light-responded range and response to improve titanium dioxide are strong
Degree, improves the catalytic efficiency of titanium dioxide；To degrade to the organic substance in water body, to improve the clear of water body
Cleanliness.
Under optimum condition, the weight ratio of the soluble metallic salt and the organic titanate is 1:(50~100).
Under optimum condition, the soluble metallic salt is selected from soluble ferric iron salt, soluble zinc salt, soluble nickel salt, solvable
At least one of property cobalt salt, soluble molybdenum salt box soluble silver salt.
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.
Will modified beta-cyclodextrin and modified porous charcoal, silane coupling agent carried out in polyvinyl alcohol microwave reaction 5~
10min can be such that modified beta-cyclodextrin is coupled with modified porous charcoal, the water purification catridge is made to have both absorption, flocculation and catalysis
The functions such as degradation are integrated, to have the function that multiple multi-faceted purifying water body.
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.
In the present invention after mixing by composite modified carbon-based water purification agent and PP resins, sodium bicarbonate, it is molded at high temperature,
Sodium bicarbonate can be made to decompose, generate porous PP filter core, composite modified carbon-based water purification agent has excellent water purification effect in filter core.
A kind of composite modified carbon-based water purification catridge, is prepared according to the preparation method.
The present invention will be described in detail by way of examples below.
Embodiment 1
A kind of composite modified carbon-based water purification catridge, is made of the substance of following parts by weight：100 parts by weight of orange peel, β-ring paste
Smart 32 parts by weight, 5 parts by weight of monoxone, 45 parts by weight of polyvinyl alcohol, 8 parts by weight of N-METHYLFORMAMIDE, two isobutyric acid two of azo
2 parts by weight of methyl esters, 0.5 parts by weight of silver nitrate, 25 parts by weight of tetrabutyl titanate, 3 parts by weight of aminopropyl triethoxysilane, PP trees
450 parts by weight of fat, 35 parts by weight of sodium bicarbonate, 60 parts by weight of ethyl alcohol.
The preparation method of the composite modified carbon-based water purification catridge, includes the following steps：
(1) orange peel 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 beta-cyclodextrin being reacted 2h with monoxone at 60 DEG C, N-METHYLFORMAMIDE 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 beta-cyclodextrin；
(3) tetrabutyl titanate and silver nitrate are stirred evenly in ethanol, obtains mixed sols, be added into mixed sols
Porous carbon powder seals reaction 4h at 120 DEG C, obtains modified porous charcoal；
(4) beta-cyclodextrin and modified porous charcoal, aminopropyl triethoxysilane will be modified to be uniformly mixed in polyvinyl alcohol
Afterwards, the frequency of then microwave reaction 5min, microwave reaction are 1000KHZ, obtain composite modified carbon-based water purification agent；
(5) after mixing by composite modified carbon-based water purification agent and PP resins, sodium bicarbonate, it is poured into a mould at 100~150 DEG C
It is molded, after cooling and solidifying, obtains being based on diatomaceous water body purification filter core.
Embodiment 2
A kind of composite modified carbon-based water purification catridge, is made of the substance of following parts by weight：120 parts by weight of orange peel, β-ring paste
Smart 24 parts by weight, 6 parts by weight of monoxone, 40 parts by weight of polyvinyl alcohol, 6 parts by weight of N-METHYLFORMAMIDE, two isobutyric acid two of azo
3 parts by weight of methyl esters, 0.2 parts by weight of silver nitrate, 15 parts by weight of tetrabutyl titanate, 2 weight of aminoethylaminopropyl triethoxysilane
Part, 400 parts by weight of PP resins, 30 parts by weight of sodium bicarbonate, 50 parts by weight of ethyl alcohol.
The preparation method of the composite modified carbon-based water purification catridge, includes the following steps：
(1) orange peel 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 beta-cyclodextrin being reacted 1.5h with monoxone at 60 DEG C, N-METHYLFORMAMIDE and two isobutyl of azo is added
After mixing, 2h is stirred to react at 60 DEG C in ethanol for dimethyl phthalate, obtains graft modification beta-cyclodextrin；
(3) tetrabutyl titanate and silver nitrate are stirred evenly in ethanol, obtains mixed sols, be added into mixed sols
Porous carbon powder seals reaction 4h at 100 DEG C, obtains modified porous charcoal；
(4) beta-cyclodextrin and modified porous charcoal, aminoethylaminopropyl triethoxysilane will be modified to mix in polyvinyl alcohol
After closing uniformly, the frequency of then microwave reaction 6min, microwave reaction are 1200KHZ, obtain composite modified carbon-based water purification agent；
(5) after mixing by composite modified carbon-based water purification agent and PP resins, sodium bicarbonate, it is poured into a mould at 100~150 DEG C
It is molded, after cooling and solidifying, obtains being based on diatomaceous water body purification filter core.
Embodiment 3
A kind of composite modified carbon-based water purification catridge, is made of the substance of following parts by weight：100 parts by weight of orange peel, β-ring paste
Smart 36 parts by weight, 5 parts by weight of monoxone, 50 parts by weight of polyvinyl alcohol, 9 parts by weight of N-METHYLFORMAMIDE, two isobutyric acid two of azo
1 parts by weight of methyl esters, 0.4 parts by weight of cobalt acetate, 20 parts by weight of tetrabutyl titanate, divinyl triammonium base propyl trimethoxy silicane 6
Parts by weight, 500 parts by weight of PP resins, 30 parts by weight of sodium bicarbonate, 60 parts by weight of isopropanol.
The preparation method of the composite modified carbon-based water purification catridge, includes the following steps：
(1) orange peel is ground into 300 mesh powders, then anneal in argon atmosphere at 500 DEG C 2.5h, obtains porous
Charcoal is ground porous charcoal, then crosses 120 mesh sieve, obtains porous carbon powder；
(2) after beta-cyclodextrin being reacted 1.5h with monoxone at 75 DEG C, N-METHYLFORMAMIDE and two isobutyl of azo is added
After mixing, 2h is stirred to react at 60 DEG C in ethanol for dimethyl phthalate, obtains graft modification beta-cyclodextrin；
(3) tetrabutyl titanate and cobalt acetate are stirred evenly in isopropanol, obtains mixed sols, added into mixed sols
Enter porous carbon powder and seal reaction 5h at 100 DEG C, obtains modified porous charcoal；
(4) beta-cyclodextrin and modified porous charcoal, divinyl triammonium base propyl trimethoxy silicane will be modified in polyvinyl alcohol
In after mixing, the frequency of then microwave reaction 6min, microwave reaction are 1000KHZ, obtain composite modified carbon-based water purification agent；
(5) after mixing by composite modified carbon-based water purification agent and PP resins, sodium bicarbonate, it is poured into a mould at 100~150 DEG C
It is molded, after cooling and solidifying, obtains being based on diatomaceous water body purification filter core.
Embodiment 4
A kind of composite modified carbon-based water purification catridge, is made of the substance of following parts by weight：80 parts by weight of orange peel, beta-cyclodextrin
40 parts by weight, 6 parts by weight of monoxone, 30 parts by weight of polyvinyl alcohol, 10 parts by weight of N-METHYLFORMAMIDE, azo isobutyl cyano formyl
3 parts by weight of amine, 0.1 parts by weight of nickel acetate, 10 parts by weight of isopropyl titanate, 6 weight of 2- aminoethyl amino propyl trimethoxy silanes
Part, 500 parts by weight of PP resins, 50 parts by weight of sodium bicarbonate, 50 parts by weight of water.
The preparation method of the composite modified carbon-based water purification catridge, includes the following steps：
(1) orange peel 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 beta-cyclodextrin being reacted 1h with monoxone at 80 DEG C, N-METHYLFORMAMIDE and azo isobutyl cyano is added
After mixing, 0.5h is stirred to react at 80 DEG C in ethanol for formamide, obtains graft modification beta-cyclodextrin；
(3) isopropyl titanate and nickel acetate are stirred evenly in water, obtains mixed sols, be added into mixed sols more
Hole carbon powder seals reaction 3h at 150 DEG C, obtains modified porous charcoal；
(4) beta-cyclodextrin and modified porous charcoal, 2- aminoethyl amino propyl trimethoxy silanes will be modified in polyvinyl alcohol
After mixing, the frequency of then microwave reaction 10min, microwave reaction are 800KHZ, obtain composite modified carbon-based water purification agent；
(5) after mixing by composite modified carbon-based water purification agent and PP resins, sodium bicarbonate, it is poured into a mould at 100~150 DEG C
It is molded, after cooling and solidifying, obtains being based on diatomaceous water body purification filter core.
Embodiment 5
A kind of composite modified carbon-based water purification catridge, is made of the substance of following parts by weight：150 parts by weight of orange peel, β-ring paste
Smart 20 parts by weight, 5 parts by weight of monoxone, 60 parts by weight of polyvinyl alcohol, 5 parts by weight of N-METHYLFORMAMIDE, azo isobutyl cyano first
1 parts by weight of amide, 0.5 parts by weight of zinc chloride, 30 parts by weight of isopropyl titanate, 2 weight of 2- aminoethyl amino propyl trimethoxy silanes
Measure part, 300 parts by weight of PP resins, 20 parts by weight of sodium bicarbonate, 60 parts by weight of water.
The preparation method of the composite modified carbon-based water purification catridge, includes the following steps：
(1) orange peel 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 beta-cyclodextrin being reacted 3h with monoxone at 40 DEG C, N-METHYLFORMAMIDE and azo isobutyl cyano is added
After mixing, 3h is stirred to react at 50 DEG C in ethanol for formamide, obtains graft modification beta-cyclodextrin；
(3) isopropyl titanate and zinc chloride are stirred evenly in water, obtains mixed sols, be added into mixed sols more
Hole carbon powder seals reaction 6h at 80 DEG C, obtains modified porous charcoal；
(4) beta-cyclodextrin and modified porous charcoal, 2- aminoethyl amino propyl trimethoxy silanes will be modified in polyvinyl alcohol
After mixing, the frequency of then microwave reaction 5min, microwave reaction are 1500KHZ, obtain composite modified carbon-based water purification agent；
(5) after mixing by composite modified carbon-based water purification agent and PP resins, sodium bicarbonate, it is poured into a mould at 100~150 DEG C
It is molded, after cooling and solidifying, obtains being based on diatomaceous water body purification filter core.
Comparative example 1
A kind of composite modified carbon-based water purification catridge, is made of the substance of following parts by weight：100 parts by weight of orange peel, β-ring paste
Smart 32 parts by weight, 0.5 parts by weight of ethyl orthosilicate, 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 composite modified carbon-based water purification catridge, includes the following steps：
(1) orange peel 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 beta-cyclodextrin and modified porous charcoal, aminopropyl triethoxysilane in ethylene glycol after mixing, then
The frequency of microwave reaction 5min, microwave reaction are 1000KHZ, obtain composite modified carbon-based water purification agent；
(4) after mixing by composite modified carbon-based water purification agent and PP resins, sodium bicarbonate, it is poured into a mould at 100~150 DEG C
It is molded, after cooling and solidifying, obtains being based on diatomaceous water body purification filter core.
Comparative example 2
A kind of composite modified carbon-based water purification catridge, is made of the substance of following parts by weight：100 parts by weight of orange peel, β-ring paste
Smart 32 parts by weight, 5 parts by weight of monoxone, 45 parts by weight of polyvinyl alcohol, 8 parts by weight of N-METHYLFORMAMIDE, two isobutyric acid two of azo
2 parts by weight of methyl esters, 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 composite modified carbon-based water purification catridge, includes the following steps：
(1) orange peel 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 beta-cyclodextrin being reacted 2h with monoxone at 60 DEG C, N-METHYLFORMAMIDE 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 beta-cyclodextrin；
(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) beta-cyclodextrin and modified porous charcoal, aminopropyl triethoxysilane will be modified to be uniformly mixed in polyvinyl alcohol
Afterwards, the frequency of then microwave reaction 5min, microwave reaction are 1000KHZ, obtain composite modified carbon-based water purification agent；
(5) after mixing by composite modified carbon-based water purification agent and PP resins, sodium bicarbonate, it is poured into a mould at 100~150 DEG C
It is molded, after cooling and solidifying, obtains being based on diatomaceous water body purification filter core.
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 (8)
1. a kind of preparation method of composite modified carbon-based water purification catridge, which is characterized in that include the following steps：
(1) orange peel is crushed, is then annealed in inert gas, obtain porous carbon powder；
(2) after beta-cyclodextrin being reacted 1~3h with monoxone at 40~80 DEG C, N-METHYLFORMAMIDE and initiator is added in second
After mixing in alcohol, it is stirred to react 0.5~3h at 50~80 DEG C, obtains graft modification beta-cyclodextrin；
(3) organic titanate and soluble metallic salt are stirred evenly in a solvent, obtains mixed sols, added into mixed sols
Enter porous carbon powder and seal 3~6h of reaction at 80~150 DEG C, obtains modified porous charcoal；
(4) will modified beta-cyclodextrin and modified porous charcoal, silane coupling agent in polyvinyl alcohol after mixing, then microwave is anti-
5~10min is answered, composite modified carbon-based water purification agent is obtained；
(5) after mixing by composite modified carbon-based water purification agent and PP resins, sodium bicarbonate, it is poured at 100~150 DEG C
Type after cooling and solidifying, obtains being based on diatomaceous water body purification filter core.
2. the preparation method of composite modified carbon-based water purification catridge according to claim 1, which is characterized in that the orange peel
Annealing process is：Annealing temperature is 300~600 DEG C, and annealing time is 2~5h.
3. the preparation method of composite modified carbon-based water purification catridge according to claim 2, which is characterized in that the β-ring paste
The smart weight ratio with the N-METHYLFORMAMIDE is 4:1.
4. the preparation method of composite modified carbon-based water purification catridge according to claim 1, which is characterized in that the solubility
The weight ratio of metal salt and the organic titanate is 1:(50~100).
5. the preparation method of composite modified carbon-based water purification catridge according to claim 1, which is characterized in that the organic titanium
Acid esters in tetraethyl titanate, tetramethoxy titanate ester, tetraisopropyl titanate, tetrabutyl titanate, tetra-n-butyl titanate at least
It is a kind of；And/or
The soluble metallic salt is selected from soluble ferric iron salt, soluble zinc salt, soluble nickel salt, soluble cobalt, soluble molybdenum
At least one of salt box soluble silver salt.
6. the preparation method of composite modified carbon-based water purification catridge according to claim 5, which is characterized in that the microwave is anti-
The frequency answered is 800~1500KHZ.
7. the preparation method of composite modified carbon-based water purification catridge according to claim 1, which is characterized in that the solvent choosing
From at least one of triol, ethyl alcohol, isopropanol, propylene glycol, ethylene glycol and water.
8. a kind of composite modified carbon-based water purification catridge, which is characterized in that the system according to any one of claim 1~7
Preparation Method is prepared.
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