CN106984270A - A kind of preparation method of inexpensive water process activated carbon - Google Patents
A kind of preparation method of inexpensive water process activated carbon Download PDFInfo
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- CN106984270A CN106984270A CN201710347914.9A CN201710347914A CN106984270A CN 106984270 A CN106984270 A CN 106984270A CN 201710347914 A CN201710347914 A CN 201710347914A CN 106984270 A CN106984270 A CN 106984270A
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- water process
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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
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
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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
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
Abstract
The invention discloses a kind of preparation method of inexpensive water process activated carbon, comprise the following steps：Coking coal, maize straw are well mixed, is put into flour mill and is milled, water stirring is added and obtains pre-processing coking coal；CNT compound Chinese medicinal stone is added into pretreatment coking coal to be well mixed, and is granulated in feeding comminutor, is dried to obtain dry microspheres；Dry microspheres activate to obtain inexpensive water process activated carbon.The preparation method of inexpensive water process activated carbon proposed by the present invention, gained activated carbon contains a large amount of absorption holes, and hole density is high, and rationally, impurity that can be effectively in Adsorption sewage, while production cost is extremely low, can reduce environmental pollution to pore size distribution$.
Description
Technical field
The present invention relates to water-treatment technology field, more particularly to a kind of preparation method of inexpensive water process activated carbon.
Background technology
With the development of science and technology, the progressively construction of modernization industry, various chemicals are exploited, life band is given people
Facility is carried out, simultaneously because chemicals generates the material harmful to environment and human body, also into asking that people have to face
Topic.
Water pollution, which is mainly in the sewage of industrial production discharge, contains a large amount of noxious materials, also the sewage in people's life
Produce many harmful substances.All removing toxin often use adsorbent at present, main active charcoal etc., but activated carbon is adsorbed mostly
Limited in one's ability, adsorption effect is poor, and cost is high.
The content of the invention
The technical problem existed based on background technology, the present invention proposes a kind of preparation of inexpensive water process activated carbon
Method, gained activated carbon contains a large amount of absorption holes, and hole density is high, and pore size distribution$ rationally, can effective Adsorption
Impurity in sewage, while production cost is extremely low, can reduce environmental pollution.
A kind of preparation method of inexpensive water process activated carbon proposed by the present invention, comprises the following steps：
S1, coking coal, maize straw be well mixed, be put into flour mill and be milled, added water and stir and is pre-processed
Coking coal；
S2, add CNT compound Chinese medicinal stone into pretreatment coking coal and be well mixed, is granulated in feeding comminutor,
It is dried to obtain dry microspheres；
S3, dry microspheres are carried out to activate and obtain inexpensive water process activated carbon.
Preferably, in S1, mixing time is 2-4h, and whipping temp is 40-50 DEG C.
Preferably, in S1,20-40 parts of coking coal, 5-15 parts of maize straws is well mixed by weight, are put into flour mill
It is milled, adds 60-100 parts of water stirring 2-4h, whipping temp is 40-50 DEG C, obtains pre-processing coking coal.
Preferably, in S2, CNT compound Chinese medicinal stone is prepared using following technique：The concentrated sulfuric acid, concentrated nitric acid are mixed, plus
Enter CNT, heat up, flow back, filter, washing is sent into hydrochloric acid, adds attapulgite, medical stone powder, is heated up, and is flowed back, and is risen
Temperature, calcining adds soybean oil stirring and obtains CNT compound Chinese medicinal stone.
Preferably, in S2, CNT compound Chinese medicinal stone is prepared using following technique：The concentrated sulfuric acid, concentrated nitric acid are mixed, plus
Enter CNT, be warming up to 100 DEG C, flow back 2-4h, filters, washing, feeding concentration is concavo-convex in 2-2.8mol/L hydrochloric acid, to add
Rod soil, medical stone powder, are warming up to 100 DEG C, and flow back 2-4h, are warming up to 700-780 DEG C of calcining 50-100min, add soybean oil with
10000-16000r/min rotating speed stirring 4-10min, obtains CNT compound Chinese medicinal stone.
Preferably, in S2, CNT compound Chinese medicinal stone is prepared using following technique：By weight by 15-25 parts of dense sulphur
Acid, 30-50 parts of concentrated nitric acid mixing, add 10-16 parts of CNTs, are warming up to 100 DEG C, flow back 2-4h, filters, and washs, feeding
Concentration is warming up to 100 DEG C in 2-2.8mol/L hydrochloric acid, to add 5-10 parts of attapulgites, 3-6 parts of medical stone powders, and flow back 2-4h,
700-780 DEG C of calcining 50-100min is warming up to, 10-18 portions of soybean oils is added and 4- is stirred with 10000-16000r/min rotating speed
10min, obtains CNT compound Chinese medicinal stone.
Preferably, in S2, into pretreatment coking coal, addition CNT compound Chinese medicinal stone is well mixed, in feeding comminutor
Granulated, comminutor working frequency is 25-35Hz, a diameter of 8-9mm of granulation material, and 80-90 DEG C is dried to obtain dry microspheres.
Preferably, in S2, the weight ratio of pretreatment coking coal and CNT compound Chinese medicinal stone is 110-120：4-10.
Preferably, in S3, soak time is 15-25min, and activation temperature is 750-800 DEG C.
The present invention is using coking coal, maize straw compounding grinding, and dispersiveness is fabulous each other, with CNT compound Chinese medicinal stone
Compounding calcining, containing a large amount of absorption holes, and hole density is high, and pore size distribution$ rationally, can be effectively in Adsorption sewage
Impurity；Maize straw, CNT compound Chinese medicinal stone replace the addition of part coking coal, can save a large amount of expensive Jiao
Coal, the present invention is reasonable in design, and production cost is extremely low, and can reduce environmental pollution.In CNT compound Chinese medicinal stone, carbon is received
After the acidified processing of mitron, surface forms a large amount of holes and active group, high with attapulgite, medical stone powder bond strength,
Make CNT compound Chinese medicinal stone not only corrosion-resistant, and aperture density is high, it is high to wastewater purification efficiency.
Activated carbon obtained by the present invention is tested for water process, the COD indexs in sewage discharge are by 150 original drops
To 34, and Colority of Sewage Water reduction is obvious, meets the requirement to COD indexs in state sewage emission standard.
Embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of preparation method of inexpensive water process activated carbon proposed by the present invention, comprises the following steps：
S1, coking coal, maize straw be well mixed, be put into flour mill and be milled, added water and stir and is pre-processed
Coking coal；
S2, add CNT compound Chinese medicinal stone into pretreatment coking coal and be well mixed, is granulated in feeding comminutor,
It is dried to obtain dry microspheres；
S3, dry microspheres are carried out to activate and obtain inexpensive water process activated carbon.
Embodiment 2
A kind of preparation method of inexpensive water process activated carbon proposed by the present invention, comprises the following steps：
S1,20 parts of coking coal, 15 parts of maize straws are well mixed by weight, are put into flour mill and are milled, addition
60 parts of water stir 4h, and whipping temp is 40 DEG C, obtain pre-processing coking coal；
S2, add 4 parts of CNT compound Chinese medicinal stones into 120 parts of pretreatment coking coal by weight and be well mixed, feeding
Granulated in comminutor, comminutor working frequency is 35Hz, a diameter of 8-9mm of granulation material, and 80 DEG C are dried to obtain dry microspheres；
S3, by dry microspheres carry out activation 25min, activation temperature be 750 DEG C, obtain inexpensive water process activated carbon.
Embodiment 3
A kind of preparation method of inexpensive water process activated carbon proposed by the present invention, comprises the following steps：
S1,40 parts of coking coal, 5 parts of maize straws are well mixed by weight, are put into flour mill and are milled, addition
100 parts of water stir 2h, and whipping temp is 50 DEG C, obtain pre-processing coking coal；
S2, add 10 parts of CNT compound Chinese medicinal stones into 110 parts of pretreatment coking coal by weight and be well mixed, feeding
Granulated in comminutor, comminutor working frequency is 25Hz, a diameter of 8-9mm of granulation material, and 90 DEG C are dried to obtain dry microspheres；
CNT compound Chinese medicinal stone is prepared using following technique：The concentrated sulfuric acid, concentrated nitric acid are mixed, CNT is added,
Heating, flows back, and filters, washing, in feeding hydrochloric acid, adds attapulgite, medical stone powder, heats up, flow back, heat up, calcine, adds
Soybean oil stirring obtains CNT compound Chinese medicinal stone；
S3, by dry microspheres carry out activation 15min, activation temperature be 800 DEG C, obtain inexpensive water process activated carbon.
Embodiment 4
A kind of preparation method of inexpensive water process activated carbon proposed by the present invention, comprises the following steps：
S1,25 parts of coking coal, 12 parts of maize straws are well mixed by weight, are put into flour mill and are milled, addition
70 parts of water stir 3.5h, and whipping temp is 42 DEG C, obtain pre-processing coking coal；
S2, add 6 parts of CNT compound Chinese medicinal stones into 118 parts of pretreatment coking coal by weight and be well mixed, feeding
Granulated in comminutor, comminutor working frequency is 32Hz, a diameter of 8-9mm of granulation material, and 82 DEG C are dried to obtain dry microspheres；
CNT compound Chinese medicinal stone is prepared using following technique：The concentrated sulfuric acid, concentrated nitric acid are mixed, CNT is added,
100 DEG C are warming up to, flow back 3h, filters, washing, send into concentration in 2.4mol/L hydrochloric acid, to add attapulgite, medical stone powder,
100 DEG C are warming up to, flow back 3h, are warming up to 740 DEG C of calcining 75min, add soybean oil and 7min is stirred with 13000r/min rotating speed,
Obtain CNT compound Chinese medicinal stone；
S3, by dry microspheres carry out activation 22min, activation temperature be 770 DEG C, obtain inexpensive water process activated carbon.
Embodiment 5
A kind of preparation method of inexpensive water process activated carbon proposed by the present invention, comprises the following steps：
S1,35 parts of coking coal, 8 parts of maize straws are well mixed by weight, are put into flour mill and are milled, addition 90
Part water stirring 2.5h, whipping temp is 48 DEG C, obtains pre-processing coking coal；
S2, add 8 parts of CNT compound Chinese medicinal stones into 112 parts of pretreatment coking coal by weight and be well mixed, feeding
Granulated in comminutor, comminutor working frequency is 28Hz, a diameter of 8-9mm of granulation material, and 88 DEG C are dried to obtain dry microspheres；
CNT compound Chinese medicinal stone is prepared using following technique：15 parts of concentrated sulfuric acids, 50 parts of concentrated nitric acids are mixed by weight
Conjunction, 10 parts of CNTs of addition, is warming up to 100 DEG C, and flow back 4h, filters, washing, sends into concentration in 2mol/L hydrochloric acid, to add
10 parts of attapulgites, 3 parts of medical stone powders, are warming up to 100 DEG C, and flow back 4h, are warming up to 700 DEG C of calcining 100min, add 10 parts big
Soya-bean oil stirs 4min with 16000r/min rotating speed, obtains CNT compound Chinese medicinal stone；
S3, by dry microspheres carry out activation 18min, activation temperature be 790 DEG C, obtain inexpensive water process activated carbon.
Embodiment 6
A kind of preparation method of inexpensive water process activated carbon proposed by the present invention, comprises the following steps：
S1,30 parts of coking coal, 10 parts of maize straws are well mixed by weight, are put into flour mill and are milled, addition
80 parts of water stir 3h, and whipping temp is 45 DEG C, obtain pre-processing coking coal；
S2, add 7 parts of CNT compound Chinese medicinal stones into 115 parts of pretreatment coking coal by weight and be well mixed, feeding
Granulated in comminutor, comminutor working frequency is 30Hz, a diameter of 8-9mm of granulation material, and 85 DEG C are dried to obtain dry microspheres；
CNT compound Chinese medicinal stone is prepared using following technique：25 parts of concentrated sulfuric acids, 30 parts of concentrated nitric acids are mixed by weight
Close, add 16 parts of CNTs, be warming up to 100 DEG C, flow back 2h, filters, washing, during feeding concentration is 2.8mol/L hydrochloric acid, plus
Enter 5 parts of attapulgites, 6 parts of medical stone powders, be warming up to 100 DEG C, flow back 2h, be warming up to 780 DEG C of calcining 50min, add 18 parts big
Soya-bean oil stirs 10min with 10000r/min rotating speed, obtains CNT compound Chinese medicinal stone；
S3, by dry microspheres carry out activation 20min, activation temperature be 780 DEG C, obtain inexpensive water process activated carbon.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (9)
1. a kind of preparation method of inexpensive water process activated carbon, it is characterised in that comprise the following steps：
S1, coking coal, maize straw be well mixed, be put into flour mill and be milled, add water stirring and obtains pretreatment coking coal；
S2, add CNT compound Chinese medicinal stone into pretreatment coking coal and be well mixed, is granulated in feeding comminutor, it is dry
Obtain dry microspheres；
S3, dry microspheres are carried out to activate and obtain inexpensive water process activated carbon.
2. the preparation method of inexpensive water process activated carbon according to claim 1, it is characterised in that in S1, during stirring
Between be 2-4h, whipping temp be 40-50 DEG C.
3. the preparation method of inexpensive water process activated carbon according to claim 1 or claim 2, it is characterised in that in S1, by weight
20-40 parts of coking coal, 5-15 parts of maize straws are well mixed by amount part, are put into flour mill and are milled, and add 60-100 parts of water
2-4h is stirred, whipping temp is 40-50 DEG C, obtain pre-processing coking coal.
4. according to the preparation method of any one of the claim 1-3 inexpensive water process activated carbons, it is characterised in that S2
In, CNT compound Chinese medicinal stone is prepared using following technique：The concentrated sulfuric acid, concentrated nitric acid are mixed, CNT is added, heated up,
Backflow, is filtered, washing, in feeding hydrochloric acid, is added attapulgite, medical stone powder, is heated up, flow back, heats up, and calcining adds soybean
Oil stirring obtains CNT compound Chinese medicinal stone.
5. according to the preparation method of any one of the claim 1-4 inexpensive water process activated carbons, it is characterised in that S2
In, CNT compound Chinese medicinal stone is prepared using following technique：The concentrated sulfuric acid, concentrated nitric acid are mixed, CNT is added, is warming up to
100 DEG C, flow back 2-4h, filters, washing, and feeding concentration rises in 2-2.8mol/L hydrochloric acid, to add attapulgite, medical stone powder
Temperature is to 100 DEG C, and flow back 2-4h, is warming up to 700-780 DEG C of calcining 50-100min, adds soybean oil with 10000-16000r/min
Rotating speed stirring 4-10min, obtain CNT compound Chinese medicinal stone.
6. according to the preparation method of any one of the claim 1-5 inexpensive water process activated carbons, it is characterised in that S2
In, CNT compound Chinese medicinal stone is prepared using following technique：The 15-25 parts of concentrated sulfuric acids, 30-50 parts of concentrated nitric acids are mixed by weight
Close, add 10-16 parts of CNTs, be warming up to 100 DEG C, flow back 2-4h, filters, washing, feeding concentration is 2-2.8mol/L salt
In acid, 5-10 parts of attapulgites, 3-6 parts of medical stone powders are added, 100 DEG C are warming up to, flow back 2-4h, is warming up to 700-780 DEG C and forges
50-100min is burnt, 10-18 portions of soybean oils is added and 4-10min is stirred with 10000-16000r/min rotating speed, obtain CNT
Compound Chinese medicinal stone.
7. according to the preparation method of any one of the claim 1-6 inexpensive water process activated carbons, it is characterised in that S2
In, into pretreatment coking coal, addition CNT compound Chinese medicinal stone is well mixed, and is granulated in feeding comminutor, comminutor work
Working frequency is 25-35Hz, a diameter of 8-9mm of granulation material, and 80-90 DEG C is dried to obtain dry microspheres.
8. according to the preparation method of any one of the claim 1-7 inexpensive water process activated carbons, it is characterised in that S2
In, the weight ratio of pretreatment coking coal and CNT compound Chinese medicinal stone is 110-120：4-10.
9. according to the preparation method of any one of the claim 1-8 inexpensive water process activated carbons, it is characterised in that S3
In, soak time is 15-25min, and activation temperature is 750-800 DEG C.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113881660A (en) * | 2021-09-24 | 2022-01-04 | 广东酌希生态环境科技有限公司 | Carbon-based material, preparation method thereof and application thereof in treatment of fruit and vegetable waste |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113881660A (en) * | 2021-09-24 | 2022-01-04 | 广东酌希生态环境科技有限公司 | Carbon-based material, preparation method thereof and application thereof in treatment of fruit and vegetable waste |
| CN113881660B (en) * | 2021-09-24 | 2024-02-20 | 广东酌希生态环境科技有限公司 | Carbon-based material, preparation method thereof and application thereof in fruit and vegetable waste treatment |
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