CN108529620A - Orange peel sludge composite based activated carbon and the preparation method and application thereof - Google Patents
Orange peel sludge composite based activated carbon and the preparation method and application thereof Download PDFInfo
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- CN108529620A CN108529620A CN201810113752.7A CN201810113752A CN108529620A CN 108529620 A CN108529620 A CN 108529620A CN 201810113752 A CN201810113752 A CN 201810113752A CN 108529620 A CN108529620 A CN 108529620A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
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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
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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Abstract
A kind of orange peel sludge composite based activated carbon and the preparation method and application thereof is related to recycling sludge and utilizes field.Orange peel sludge composite based activated carbon is mainly activated by dry orange peel and dry sludge, is carbonized, and the aperture of orange peel sludge composite based activated carbon is small, large specific surface area, adsorption capacity are strong.The preparation method of the orange peel sludge composite based activated carbon is to count in parts by weight, and 0.5~2 part of dry sludge and 1~4 part of dry orange peel are pulverized and mixed, and 6~60h is activated in metal salt solution；Under inert gas atmosphere, with 450~600 DEG C of 0.5~2h of temperature carbonization；By the sample pickling after carbonization, then it is washed to neutrality, drying orange peel sludge composite based activated carbon, it is raw material which, which is using sludge and orange peel, of low cost, environmental-friendly, while solving municipal sludge and discarded orange peel pollution on the environment；The application of orange peel sludge composite based activated carbon is mainly used for sewage or exhaust-gas treatment.
Description
Technical field
The present invention relates to recycling sludges to utilize field, and more particularly to a kind of orange peel sludge composite based activated carbon and its system
Preparation Method and application.
Background technology
With Chinese society expanding economy, one side people's living standard is continuously improved, is also got over to environmental quality requirement
Come higher；Another aspect resource relative shortage, the wasting of resources, environmental pollution phenomenon getting worse.Therefore, with the efficient profit of resource
Be recycling as core, for the purpose of minimizing, innoxious, recycling, characterized by low consumption, low emission, high efficiency
Circular Economy there is urgent realistic meaning to solving above-mentioned contradiction.
The projects such as municipal sewage treatment, regeneration as water environment treatment important component obtain government and environmental protection sector
Pay much attention to, creates sewage plant and increase significantly, wastewater treatment rate greatly improves, while will produce quantity in sewage disposal process
The science disposition of huge sludge, these sludge does not obtain enough attention.Can sludge obtain scientific and reasonable processing disposition,
An important factor for can maintaining normal operation, generation environment benefit as influence sewage treatment plant.Therefore, the sludge of enormous amount
Minimizing, stabilisation, the disposition research of innoxious, recycling treatment seem extremely important.
In addition, activated carbon is a kind of carbide of multiple aperture, there is profuse hole to construct, has good absorption special
Property, its suction-operated is formed by the absorption power of physics and chemistry.Activated carbon appearance luster be in black, composition in addition to
Other than main charcoal, including two class dopants, one kind is chemically combined element, mainly oxygen and hydrogen, derives from incomplete charcoal
The raw material of change, or in activation process, external non-carbon element is chemically combined with carbon；Another kind of dopant is ash
Point, it is the inorganic part of activated carbon, essentially from Activated Carbon Production raw material.Activated carbon chemical property is stablized, energy acid and alkali resistance,
Therefore it can be applied within the scope of bigger acid-base value.
Researchers have carried out many researchs to preparing activated carbon using sludge at present, though the preparation method of active sludge carbon
So have very much, single but there are material sources mostly, aperture is larger, and specific surface area is small, adsorption capacity is weak, wastewater treatment efficiency
The problems such as bad.
Invention content
The purpose of the present invention is to provide a kind of orange peel sludge composite based activated carbon, aperture is small, large specific surface area, adsorption energy
Power is strong.
Another object of the present invention is to provide a kind of preparation method of orange peel sludge composite based activated carbon, using sludge and
Orange peel is raw material, of low cost, environmental-friendly, while solving municipal sludge and discarded orange peel pollution on the environment.
Another object of the present invention is to provide a kind of application of orange peel sludge composite based activated carbon, be mainly used for sewage or
Exhaust-gas treatment.
The present invention solves its technical problem using following technical scheme to realize.
The present invention proposes a kind of orange peel sludge composite based activated carbon, mainly activated by following raw material, be carbonized, and presses
Parts by weight meter, raw material include：
Dry 0.5~2 part of orange peel；
Dry 1~4 part of sludge.
Further, in a preferred embodiment of the present invention, raw material further includes 0.2~1 portion of bagasse.
Further, in a preferred embodiment of the present invention, raw material further includes 0.2~1 part of petroleum coke powder.
Further, in a preferred embodiment of the present invention, the iodine sorption value of orange peel sludge composite based activated carbon be 150~
550mg/g。
A kind of preparation method of above-mentioned orange peel sludge composite based activated carbon comprising following steps：
It counts, 0.5~2 part of dry orange peel and 1~4 part of dry sludge is pulverized and mixed, in metal salt solution in parts by weight
6~60h of middle activation；
Under inert gas atmosphere by the product after activation, with 450~600 DEG C of 0.5~2h of temperature carbonization；
By the product pickling after carbonization, then it is washed to neutrality, drying orange peel sludge composite based activated carbon.
Further, in a preferred embodiment of the present invention, municipal sludge moisture content is dried in 100~115 DEG C to exist
10% hereinafter, up to dry sludge；Orange peel is cleaned, in 100~115 DEG C of drying to get dry orange peel.
Further, in a preferred embodiment of the present invention, the method for activation is：It will be formed by dry sludge and dry orange peel
Mixing matter activated respectively in liquor zinci chloridi 12h, for 24 hours, 36h, 48h, zinc chloride with mix matter impregnating ratio be 1~4：1.
Further, in a preferred embodiment of the present invention, the method for carbonization is：Product after activation is put into tube furnace
In, with 6~9 DEG C/min heating rates, it is carbonized in a nitrogen atmosphere with 450~600 DEG C of temperature.
Further, in a preferred embodiment of the present invention, pickling, washing method be：By the product after carbonization with 2~
After 20~60min of 5mol/L chlorohydric acid picklings, then rinsed repeatedly to neutrality with deionized water.
A kind of application of above-mentioned orange peel sludge composite based activated carbon, orange peel sludge composite based activated carbon is for sewage or gives up
Gas disposal.
The advantageous effect of the orange peel sludge composite based activated carbon of the embodiment of the present invention and the preparation method and application thereof is：This hair
The main activated, carbon by 0.5~2 part of dry orange peel and 1~4 part of dry sludge of the orange peel sludge composite based activated carbon of bright embodiment
Change, the aperture of orange peel sludge composite based activated carbon is small, large specific surface area, adsorption capacity are strong.The orange peel sludge composite base is lived
The preparation method of property charcoal is to count in parts by weight, 0.5~2 part of dry sludge and 1~4 part of dry orange peel is pulverized and mixed, in gold
Belong to and activates 6~60h in salting liquid；Under inert gas atmosphere by the product after activation, with 450~600 DEG C of temperature carbonization 0.5
~2h；By the product pickling after carbonization, then it is washed to neutrality, drying orange peel sludge composite based activated carbon, the preparation method
It is to utilize sludge and orange peel for raw material, it is of low cost, it is environmental-friendly, while solving municipal sludge and discarded orange peel to environment
Caused by pollute；The application of orange peel sludge composite based activated carbon is mainly used for sewage or exhaust-gas treatment.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of flow sheet of orange peel sludge composite based activated carbon provided in an embodiment of the present invention.
Specific implementation mode
It in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, builds according to normal condition or manufacturer
The condition of view carries out.Reagents or instruments used without specified manufacturer is the conventional production that can be obtained by commercially available purchase
Product.
Orange peel sludge composite based activated carbon of the embodiment of the present invention and the preparation method and application thereof is carried out specifically below
It is bright.
The embodiment of the present invention provides a kind of orange peel sludge composite based activated carbon, mainly activated by following raw material, carbonization
It forms, counts in parts by weight, raw material includes：0.5~2 part of dry orange peel；1~4 part of dry sludge.Preferably, dry orange peel and
The weight ratio of dry sludge is 1：1~4.The orange peel sludge composite based activated carbon of the embodiment of the present invention is main former with municipal sludge
Material, using orange peel as bio-additive, it is the carbon such as cellulose and hemicellulose that orange peel itself, which has flourishing gap, main component,
Material is a kind of good carbonaceous additive, and the absorption property tool to enhancing active sludge carbon has very great help.With sludge and tangerine
Skin is raw material, while solving municipal sludge and discarded orange peel pollution on the environment, and activated carbon pore size obtained is small, compares
Surface area is big, adsorption capacity is strong.
In the present embodiment, raw material can also include 0.2~1 portion of bagasse, and bagasse is cane products factory to sugarcane
The a large amount of wastes generated after being squeezed the juice, are mainly lignocellulosic.The present embodiment can be solved using bagasse as raw material
Certainly pollution of the bagasse to environment.
In the present embodiment, raw material can also include 0.2~1 part of petroleum coke powder, and the granularity very little of petroleum coke powder, price is very just
Preferably.
The iodine sorption value of the orange peel sludge composite based activated carbon of the present embodiment is 150~550mg/g.Iodine sorption value indicates to live
Property charcoal the development degree more than 1.0nm micropores, he is performance of the activated carbon to small molecular weight impurity adsorption capacity, for coal quality live
The meaning bigger of this value of property charcoal is more convincing.
The embodiment of the present invention provides a kind of preparation method of above-mentioned orange peel sludge composite based activated carbon, as shown in Figure 1, its
Include the following steps：
S1, municipal sludge is dried to moisture content 10% hereinafter, up to dry sludge in 100~115 DEG C；Orange peel is washed
Only, in 100~115 DEG C of drying to get dry orange peel.
S2, it counts in parts by weight, 0.5~2 part of dry orange peel and 1~4 part of dry sludge is pulverized and mixed, it is molten in metal salt
6~60h is activated in liquid.
Dry sludge and dry orange peel can be ground 200 mesh sieve respectively by the present embodiment, can also will be dry dirty
200 mesh sieve was ground again after mud and dry orange peel mixing, and the sequencing being pulverized and mixed was not limited.
The specific method of activation is：It will be divided in liquor zinci chloridi by the mixing matter of the formation such as dry sludge and dry orange peel
Not Huo Hua 12h, for 24 hours, 36h, 48h, zinc chloride with mix matter impregnating ratio be 1~4：1.
S3, by the product after activation under inert gas atmosphere, be carbonized 0.5~2h with 450~600 DEG C of temperature, generally
It is that the sample after activation is filtered and is dried to obtain after product to be carbonized again.
The specific method of carbonization is：Product after activation is put into tube furnace, with 6~9 DEG C/min heating rates, in nitrogen
It is carbonized with 450~600 DEG C of temperature under gas atmosphere.
S4, by the product pickling after carbonization, then be washed to neutrality, drying orange peel sludge composite based activated carbon.
Pickling, washing method be：By the product after carbonization with after 2~5mol/L chlorohydric acid picklings, 20~60min, then spend
Ionized water is rinsed repeatedly to neutrality.
The embodiment of the present invention uses sludge from wastewater treatment plant and orange peel for primary raw material, chooses metal salt ZnCl2For
Activator, with suitable carburizing temperature, raw material particle size and impregnating ratio, under inert gas conditions, carbonization prepares activated carbon, material
Source it is very extensive, technological operation is simple.By this method prepare activated carbon, can by municipal sludge bacterium and cause of disease
Body eliminates, and is generated without pernicious gas in tail gas.Sludge is produced into activated carbon, is of great significance to preserving the ecological environment.
When other embodiment prepares orange peel sludge composite based activated carbon, bagasse can also be added, specifically by 0.2~
1 portion of bagasse after 100~115 DEG C of drying and other raw material mixed powders are broken, then carry out subsequent step.Utilize bagasse itself
Pore passage structure and itself is carbon containing, there is multistage by the made orange peel sludge composite based activated carbon of processing such as being carbonized, activating
Pore structure, and large specific surface area, high carbon content.And containing by a small amount of sucrose in bagasse, sucrose coking makes itself and other raw materials
It is attached together, forms that volume is big, absorbing unit structure of large specific surface area.
When other embodiment prepares orange peel sludge composite based activated carbon, petroleum coke powder can also be added, petroleum coke powder without
It need to crush, specifically 0.2~1 part of petroleum coke powder is added in other raw materials after crushing after being activated, be carbonized etc.
Continuous step, obtained orange peel sludge composite based activated carbon being capable of adsorbing and removing sulfide.
The embodiment of the present invention provides a kind of application of above-mentioned orange peel sludge composite based activated carbon, and orange peel sludge composite base is lived
Property charcoal be used for sewage or exhaust-gas treatment.
The feature and performance of the present invention are described in further detail with reference to embodiments.
Embodiment 1
The present embodiment provides a kind of orange peel sludge composite based activated carbons, as shown in Figure 1, it is according to following preparation method system
：
(1) municipal sludge is put into air dry oven, moisture content 10% is dried to hereinafter, grinding at 105 DEG C
200 mesh sieve；Orange peel is put into air dry oven and is dried with 105 DEG C, ground 200 mesh sieve by cleaning.
(2) by after above-mentioned drying and crushing sludge and orange peel in mass ratio be 1：1 mixing, in 100mL liquor zinci chloridis
12h is activated, zinc chloride is 1 with the impregnating ratio for mixing matter：1, the sample after activation is filtered and is put into oven drying.
(3) sample after drying is put into tube furnace, with 9 DEG C/min heating rates, in a nitrogen atmosphere with 550 DEG C
It is taken out after temperature carbonization 1h.
(4) rinsed repeatedly by sample obtained after carbonization with 3mol/L chlorohydric acid picklings 30min and then with deionized water to
Neutrality is put into baking oven drying after suction filtration and can be prepared by orange peel sludge composite based activated carbon.
Orange peel sludge composite based activated carbon is subjected to iodine sorption value measurement, iodine number 256mg/g.
Embodiment 2
The present embodiment provides a kind of orange peel sludge composite based activated carbons, as shown in Figure 1, it is according to following preparation method system
：
(1) municipal sludge is put into air dry oven, moisture content 10% is dried to hereinafter, grinding at 105 DEG C
200 mesh sieve；Orange peel is put into air dry oven and is dried with 105 DEG C, ground 200 mesh sieve by cleaning.
(2) by after above-mentioned drying and crushing sludge and orange peel in mass ratio be 1：1, it is activated in 100mL liquor zinci chloridis
For 24 hours, zinc chloride is 2 with the impregnating ratio for mixing matter：1, the sample after activation is filtered and is put into oven drying.
(3) sample after drying is put into tube furnace, with 9 DEG C/min heating rates, in a nitrogen atmosphere with 550 DEG C
It is taken out after temperature carbonization 1h.
(4) rinsed repeatedly by sample obtained after carbonization with 3mol/L chlorohydric acid picklings 30min and then with deionized water to
Neutrality is put into baking oven drying after suction filtration and can be prepared by orange peel sludge composite based activated carbon.
Orange peel sludge composite based activated carbon is subjected to iodine sorption value measurement, iodine number 412mg/g.
Embodiment 3
The present embodiment provides a kind of orange peel sludge composite based activated carbons, as shown in Figure 1, it is according to following preparation method system
：
(1) municipal sludge is put into air dry oven, moisture content 10% is dried to hereinafter, grinding at 105 DEG C
200 mesh sieve；Orange peel is put into air dry oven and is dried with 105 DEG C, ground 200 mesh sieve by cleaning.
(2) by after above-mentioned drying and crushing sludge and orange peel in mass ratio be 1：1 mixing, in 100mL liquor zinci chloridis
36h is activated, zinc chloride is 3 with the impregnating ratio for mixing matter：1, the sample after activation is filtered and is put into oven drying.
(3) sample after drying is put into tube furnace, with 9 DEG C/min heating rates, in a nitrogen atmosphere with 550 DEG C
It is taken out after temperature carbonization 1h.
(4) rinsed repeatedly by sample obtained after carbonization with 3mol/L chlorohydric acid picklings 30min and then with deionized water to
Neutrality is put into baking oven drying after suction filtration and can be prepared by orange peel sludge composite based activated carbon.
Orange peel sludge composite based activated carbon is subjected to iodine sorption value measurement, iodine number 507mg/g.
Embodiment 4
The present embodiment provides a kind of orange peel sludge composite based activated carbons, as shown in Figure 1, it is according to following preparation method system
：
(1) municipal sludge is put into air dry oven, moisture content 10% is dried to hereinafter, grinding at 105 DEG C
200 mesh sieve；Orange peel is put into air dry oven and is dried with 105 DEG C, ground 200 mesh sieve by cleaning.
(2) by after above-mentioned drying and crushing sludge and orange peel in mass ratio be 2：1 mixing, in 100mL liquor zinci chloridis
36h is activated, zinc chloride is 3 with the impregnating ratio for mixing matter：1, the sample after activation is filtered and is put into oven drying.
(3) sample after drying is put into tube furnace, with 9 DEG C/min heating rates, in a nitrogen atmosphere with 550 DEG C
It is taken out after temperature carbonization 1h.
(4) rinsed repeatedly by sample obtained after carbonization with 3mol/L chlorohydric acid picklings 30min and then with deionized water to
Neutrality is put into baking oven drying after suction filtration and can be prepared by orange peel sludge composite based activated carbon.
Orange peel sludge composite based activated carbon is subjected to iodine sorption value measurement, iodine number 341mg/g.
Embodiment 5
The present embodiment provides a kind of orange peel sludge composite based activated carbons, as shown in Figure 1, it is according to following preparation method system
：
(1) municipal sludge is put into air dry oven, moisture content 10% is dried to hereinafter, grinding at 105 DEG C
200 mesh sieve；Orange peel is put into air dry oven and is dried with 105 DEG C, ground 200 mesh sieve by cleaning.
(2) by after above-mentioned drying and crushing sludge and orange peel in mass ratio be 4：1 mixing, in 100mL liquor zinci chloridis
12h is activated, zinc chloride is 1 with the impregnating ratio for mixing matter：Sample after 1 activation is filtered and is put into oven drying.
(3) sample after drying is put into tube furnace, with 9 DEG C/min heating rates, in a nitrogen atmosphere with 550 DEG C
It is taken out after temperature carbonization 1h.
(4) rinsed repeatedly by sample obtained after carbonization with 3mol/L chlorohydric acid picklings 30min and then with deionized water to
Neutrality is put into baking oven drying after suction filtration and can be prepared by orange peel sludge composite based activated carbon.
Orange peel sludge composite based activated carbon is subjected to iodine sorption value measurement, iodine number 152mg/g.
Embodiment 6
The present embodiment provides a kind of orange peel sludge composite based activated carbons, are made according to following preparation method：
(1) municipal sludge is put into air dry oven, moisture content 10% is dried to hereinafter, grinding at 105 DEG C
200 mesh sieve；Orange peel is put into air dry oven and is dried with 105 DEG C, ground 200 mesh sieve by cleaning；By fresh cane
Slag is put into air dry oven is dried with 105 DEG C, grinds 200 mesh sieve.
(2) it is 2 in mass ratio by sludge, orange peel and the bagasse after above-mentioned drying and crushing：1：0.5 mixing, in 100mL chlorine
Change and activate 36h in zinc solution, zinc chloride is 3 with the impregnating ratio for mixing matter：1, the sample after activation is filtered and is put into baking oven
It is dry.
(3) sample after drying is put into tube furnace, with 9 DEG C/min heating rates, in a nitrogen atmosphere with 550 DEG C
It is taken out after temperature carbonization 1h.
(4) rinsed repeatedly by sample obtained after carbonization with 3mol/L chlorohydric acid picklings 30min and then with deionized water to
Neutrality is put into baking oven drying after suction filtration and can be prepared by orange peel sludge composite based activated carbon.
Orange peel sludge composite based activated carbon is subjected to iodine sorption value measurement, iodine number 513mg/g.
Embodiment 7
The present embodiment provides a kind of orange peel sludge composite based activated carbons, are made according to following preparation method：
(1) municipal sludge is put into air dry oven, moisture content 10% is dried to hereinafter, grinding at 105 DEG C
200 mesh sieve；Orange peel is put into air dry oven and is dried with 105 DEG C, ground 200 mesh sieve by cleaning.
(2) it is 2 in mass ratio by sludge, orange peel and the petroleum coke powder after above-mentioned drying and crushing：1：0.5 mixing, in 100mL
36h is activated in liquor zinci chloridi, zinc chloride is 3 with the impregnating ratio for mixing matter：1, the sample after activation is filtered and is put into baking
Case is dried.
(3) sample after drying is put into tube furnace, with 9 DEG C/min heating rates, in a nitrogen atmosphere with 550 DEG C
It is taken out after temperature carbonization 1h.
(4) rinsed repeatedly by sample obtained after carbonization with 3mol/L chlorohydric acid picklings 30min and then with deionized water to
Neutrality is put into baking oven drying after suction filtration and can be prepared by orange peel sludge composite based activated carbon.
Orange peel sludge composite based activated carbon is subjected to iodine sorption value measurement, iodine number 467mg/g.
Embodiment 8
The present embodiment provides a kind of orange peel sludge composite based activated carbons, are made according to following preparation method：
(1) municipal sludge is put into air dry oven, moisture content 10% is dried to hereinafter, grinding at 105 DEG C
200 mesh sieve；Orange peel is put into air dry oven and is dried with 105 DEG C, ground 200 mesh sieve by cleaning；By fresh cane
Slag is put into air dry oven is dried with 105 DEG C, grinds 200 mesh sieve.
(2) it is 2 in mass ratio by sludge, orange peel, bagasse and the petroleum coke powder after above-mentioned drying and crushing：1：0.3：0.3
Mixing, activates 48h in 100mL liquor zinci chloridis, and zinc chloride is 4 with the impregnating ratio for mixing matter：1, the sample after activation carries out
It filters and is put into oven drying.
(3) sample after drying is put into tube furnace, with 9 DEG C/min heating rates, in a nitrogen atmosphere with 550 DEG C
It is taken out after temperature carbonization 1h.
(4) rinsed repeatedly by sample obtained after carbonization with 3mol/L chlorohydric acid picklings 30min and then with deionized water to
Neutrality is put into baking oven drying after suction filtration and can be prepared by orange peel sludge composite based activated carbon.
Orange peel sludge composite based activated carbon is subjected to iodine sorption value measurement, iodine number 537mg/g.
Is detected to the performance of the orange peel sludge composite based activated carbon in above-described embodiment 1~8
One, to the removal effect of heavy metal in sewage.
The wastewater sample for taking certain paper mill is divided into 9 groups, every group of 100mL waste water；The orange peel in Examples 1 to 8 is weighed respectively
Sludge composite based activated carbon and each 5g of normal activated carbon are corresponded and are added in every group of waste water, vibrate 10min, useless by every group
The content of beary metal value of activated carbon before and after the processing is being added in water, calculates removal rate of each activated carbon to heavy metal, concrete outcome table 1
It is shown.
Removal rate of the 1 different activities charcoal of table to heavy metal in waste water
Two, to the treatment effect of exhaust gas.
Orange peel sludge composite based activated carbon in Examples 1 to 8 is uniformly laid on two layers of gas-permeable nets, is then pressed into
The thin slice of thick 5mm, using sheet of filter vehicle exhaust, the tail gas handled by the orange peel sludge composite based activated carbon of the present embodiment
As meeting the innocuous gas of national standard.
In conclusion the aperture of the orange peel sludge composite based activated carbon of the embodiment of the present invention is small, large specific surface area, adsorption energy
Power is strong；It is raw material that the preparation method of orange peel sludge composite based activated carbon, which is using sludge and orange peel, of low cost, environment friend
It is good, while solving municipal sludge and discarded orange peel pollution on the environment；The application master of orange peel sludge composite based activated carbon
It is used for sewage or exhaust-gas treatment.
Embodiments described above is a part of the embodiment of the present invention, instead of all the embodiments.The reality of the present invention
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
Claims (10)
1. a kind of orange peel sludge composite based activated carbon, which is characterized in that it is mainly activated by following raw material, is carbonized, and presses
Parts by weight meter, the raw material include：
Dry 0.5~2 part of orange peel；
Dry 1~4 part of sludge.
2. orange peel sludge composite based activated carbon according to claim 1, which is characterized in that the raw material further includes 0.2~1
Part bagasse.
3. orange peel sludge composite based activated carbon according to claim 1, which is characterized in that the raw material further includes 0.2~1
Part petroleum coke powder.
4. orange peel sludge composite based activated carbon according to claim 1, which is characterized in that the orange peel sludge composite base is lived
Property charcoal iodine sorption value be 150~550mg/g.
5. a kind of preparation method of orange peel sludge composite based activated carbon as described in claim 1, which is characterized in that it include with
Lower step：
It counts in parts by weight, 0.5~2 part of dry orange peel and 1~4 part of dry sludge is pulverized and mixed, it is living in metal salt solution
Change 6~60h；
Under inert gas atmosphere by the product after activation, with 450~600 DEG C of 0.5~2h of temperature carbonization；
By the product pickling after carbonization, then it is washed to neutrality, drying orange peel sludge composite based activated carbon.
6. the preparation method of orange peel sludge composite based activated carbon according to claim 5, which is characterized in that by municipal sludge
Moisture content is dried in 100~115 DEG C 10% hereinafter, up to dry sludge；Orange peel is cleaned, is dried in 100~115 DEG C,
Up to dry orange peel.
7. the preparation method of orange peel sludge composite based activated carbon according to claim 5, which is characterized in that the method for activation
It is：By the mixing matter formed by the dry sludge and the dry orange peel activated respectively in liquor zinci chloridi 12h, for 24 hours,
36h, 48h, zinc chloride are 1~4 with the impregnating ratio for mixing matter：1.
8. the preparation method of orange peel sludge composite based activated carbon according to claim 5, which is characterized in that the method for carbonization
It is：Product after activation is put into tube furnace, with 6~9 DEG C/min heating rates, in a nitrogen atmosphere with 450~600 DEG C
Temperature is carbonized.
9. the preparation method of orange peel sludge composite based activated carbon according to claim 5, which is characterized in that pickling, washing
Method be：By the product after carbonization with after 2~5mol/L chlorohydric acid picklings, 20~60min, then rinsed repeatedly with deionized water to
It is neutral.
10. a kind of application of orange peel sludge composite based activated carbon as described in claim 1, which is characterized in that the orange peel is dirty
The compound matrix activated carbon of mud is used for sewage or exhaust-gas treatment.
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| CN201810113752.7A CN108529620A (en) | 2018-02-05 | 2018-02-05 | Orange peel sludge composite based activated carbon and the preparation method and application thereof |
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| CN201810113752.7A CN108529620A (en) | 2018-02-05 | 2018-02-05 | Orange peel sludge composite based activated carbon and the preparation method and application thereof |
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| CN201810113752.7A Pending CN108529620A (en) | 2018-02-05 | 2018-02-05 | Orange peel sludge composite based activated carbon and the preparation method and application thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109796013A (en) * | 2018-12-25 | 2019-05-24 | 南京工程学院 | A kind of multistage mesoporous activated carbon and preparation method thereof of the compound bombax cotton preparation of paper mill sludge |
| CN113753895A (en) * | 2021-08-25 | 2021-12-07 | 海南大学 | Method for preparing activated carbon by using areca and sludge as materials |
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| CN103241737A (en) * | 2013-05-29 | 2013-08-14 | 广西大学 | Sludge bagasse active carbon and preparation method thereof |
| CN103923735A (en) * | 2014-05-04 | 2014-07-16 | 天津理工大学 | Method for regenerating engine oil by using biomass wastes |
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| CN103241737A (en) * | 2013-05-29 | 2013-08-14 | 广西大学 | Sludge bagasse active carbon and preparation method thereof |
| CN103923735A (en) * | 2014-05-04 | 2014-07-16 | 天津理工大学 | Method for regenerating engine oil by using biomass wastes |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109796013A (en) * | 2018-12-25 | 2019-05-24 | 南京工程学院 | A kind of multistage mesoporous activated carbon and preparation method thereof of the compound bombax cotton preparation of paper mill sludge |
| CN113753895A (en) * | 2021-08-25 | 2021-12-07 | 海南大学 | Method for preparing activated carbon by using areca and sludge as materials |
| WO2023024365A1 (en) * | 2021-08-25 | 2023-03-02 | 海南大学 | Method for preparing activated carbon by using areca nut and sludge as materials |
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