CN106268669A - A kind of method using Chinese cabbage leaf to prepare biological adsorption agent - Google Patents
A kind of method using Chinese cabbage leaf to prepare biological adsorption agent Download PDFInfo
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- CN106268669A CN106268669A CN201610788432.2A CN201610788432A CN106268669A CN 106268669 A CN106268669 A CN 106268669A CN 201610788432 A CN201610788432 A CN 201610788432A CN 106268669 A CN106268669 A CN 106268669A
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- chinese cabbage
- cabbage leaf
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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
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D49/00—Separating dispersed particles from gases, air or vapours by other methods
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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
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
- B01J2220/485—Plants or land vegetals, e.g. cereals, wheat, corn, rice, sphagnum, peat moss
Abstract
The present invention relates to a kind of method using Chinese cabbage leaf to prepare biological adsorption agent, it belongs to the production method of the biological adsorption agent of a kind of efficient removal PM2.5 granule.The present invention mainly solves the technical problem that adsorption effect is poor and price is high that the object of existing removal PM2.5 exists.The technical scheme is that a kind of method using Chinese cabbage leaf to prepare biological adsorption agent, it specifically comprises the following steps that (1) processes raw material；(2) water-bath；(3) rinsing is to neutral；(4) ultrasonic assistant acid treatment: washing is placed in the hydrochloric acid that concentration is 0.20mol/L 0.30mol/L that weight portion is 5 25 parts to the neutral Chinese cabbage leaf that weight portion is 15 parts, ultrasonic instrument hydrolyzes, ultrasonic power is 100w 200w, temperature is 50 DEG C 100 DEG C, and the process time is 30min 60min；(5) rinsing is to neutral；(6) dry；(7) pulverize: the Chinese cabbage leaf pulverizer after drying is ground into the granule of 40 100 mesh, i.e. obtains biological adsorption agent.
Description
Technical field
The present invention relates to a kind of method using Chinese cabbage leaf to prepare biological adsorption agent, it belongs to one and efficiently removes PM2.5
The production method of the biological adsorption agent of granule.
Background technology
PM2.5 refers to the diameter contained in the air particulate matter less than or equal to 2.5 microns, is dirt important in air
One of dye thing.It suffers from great impact to the objective world such as weather and environment, human health, so receiving both at home and abroad
The extensive concern of scholar.Outdoor PM2.5 main source is vehicular emission, coal combustion, soil dirt and secondary particulate etc., indoor
PM2.5 is then mainly derived from combustion gas, indoor smoke and the house decoration etc. cooked.PM2.5 spreads in an atmosphere, not only dirty
Dye environment, reduces the visibility of air, and health causes the biggest harm.PM2.5 can be deposited on after entering body
Alveolar, causes pneumonia, asthma, chronic bronchopneumonia, decline in pulmonary function, and PM2.5 can be to painstaking effort to have ample evidence to show
Guard system produces harm, also has a great impact immune system, Disadvantage pregnancy.
Kieselguhr, green plants, activated carbon and bamboo charcoal etc. are mainly had in the market for adsorb PM2.5.Diatom
Soil price is high, though adsorption efficiency is preferable, cannot popularize masses；And though it is attractive in appearance practical to use green plants to purify PM2.5,
But the adsorption effect of green plants is extremely limited, and adsorption mechanism is not studied clear；Activated carbon has stronger suction for PM2.5
Attached function, also can Reusability, can efficiently reduce the accumulation of PM2.5 in room air, but activated carbon to there is absorption saturated
Problem, is not the adsorbent of active adsorption benzene yet；Although bamboo charcoal is cheap, but adsorption effect is general, is not best choosing
Select.
Summary of the invention
Present invention aim to address the skill that adsorption effect is poor and price is high that the object of existing removal PM2.5 exists
Art problem, it is provided that a kind of method using Chinese cabbage leaf to prepare biological adsorption agent.
The present invention solves that above-mentioned technical problem the technical scheme is that
A kind of method using Chinese cabbage leaf to prepare biological adsorption agent, it specifically comprises the following steps that
(1) raw material is processed: choosing unmetamorphosed discarded Chinese cabbage leaf is raw material, cleans Chinese cabbage successively with tap water and distilled water
Leaf is limpid to current, then dries to constant weight in 50 DEG C of-100 DEG C of baking ovens；
(2) water-bath: the Chinese cabbage leaf water-bath 20min-40min at 80 DEG C-150 DEG C that will dry；
(3) rinsing is to neutral: fully wash the Chinese cabbage leaf distilled water after water-bath to neutrality；
(4) ultrasonic assistant acid treatment: to the neutral Chinese cabbage leaf that weight portion is 1-5 part, washing is placed in weight portion is 5-
The concentration of 25 parts is in the hydrochloric acid of 0.20mol/L-0.30mol/L, hydrolyzes in ultrasonic instrument, and ultrasonic power is 100w-
200w, temperature is 50 DEG C-100 DEG C, and the process time is 30min-60min；
(5) rinsing is to neutral: the Chinese cabbage leaf distilled water after step (4) being processed fully washs to neutrality；
(6) dry: rinsing is put to neutral Chinese cabbage leaf and dries to constant weight to 50 DEG C of-100 DEG C of baking ovens；
(7) pulverize: the Chinese cabbage leaf pulverizer after drying is ground into the granule of 40-100 mesh, i.e. obtains biological adsorption agent.
The present invention uses technique scheme, is turned waste into wealth by discarded Chinese cabbage leaf, it is achieved that the secondary of resource utilizes, and solves
The technical problem that adsorption effect is poor and price is high that the object of existing removal PM2.5 of having determined exists, compared with prior art,
The present invention has advantages of good adsorption effect, price is low and utilizes the advantages such as refuse.
For showing the adsorption effect of the present invention, the present invention is prepared by application quadratic regression rotating orthogonal experiment modular design
Biological adsorption agent carries out systematic study, and by with the adsorption test investigation and comparisons such as traditional activated carbon, bamboo charcoal, kieselguhr, table
Under bright the same terms: the white vegetable leaf residue biological adsorption agent that the present invention prepares is better than kieselguhr, activity to the adsorption effect of PM2.5
Charcoal, bamboo charcoal；The adsorption rate of white vegetable leaf residue biological adsorption agent is far above bamboo charcoal, about activated carbon, the twice of bulk Adsorbent rate,
Also it is eager to excel (see Fig. 1) than diatomaceous adsorption rate.
Accompanying drawing explanation
Fig. 1 is that the present invention prepares white vegetable leaf residue with kieselguhr, activated carbon, macroporous resin and bamboo charcoal to PM2.5 adsorption rate ratio
Relatively scheme；
Fig. 2 is the scanning electron microscope (SEM) photograph that raw material Chinese cabbage leaf of the present invention amplifies 5000 times；
Fig. 3 is the scanning electron microscope (SEM) photograph that the white vegetable leaf residue of gained of the present invention amplifies 5000 times；
Fig. 4 is to amplify the scanning electron microscope (SEM) photograph of 5000 times after gained of the present invention white vegetable leaf residue absorption PM2.5.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1
A kind of method using Chinese cabbage leaf to prepare biological adsorption agent in the present embodiment, it specifically comprises the following steps that
(1) raw material is processed: choosing unmetamorphosed discarded Chinese cabbage leaf is raw material, cleans Chinese cabbage successively with tap water and distilled water
Leaf is limpid to current, then dries to constant weight in 50 DEG C of baking ovens；
(2) water-bath: the Chinese cabbage leaf water-bath 30min at 100 DEG C that will dry；
(3) rinsing is to neutral: fully wash the Chinese cabbage leaf distilled water after water-bath to neutrality；
(4) ultrasonic assistant acid treatment: to the neutral Chinese cabbage leaf that weight portion is 2 parts, washing is placed in weight portion is 10 parts
The hydrochloric acid that concentration is 0.30mol/L in, in ultrasonic instrument hydrolyze, ultrasonic power is 150w, and temperature is 90 DEG C, process
Time is 50min；
(5) rinsing is to neutral: the Chinese cabbage leaf distilled water after step (4) being processed fully washs to neutrality；
(6) dry: rinsing is put to neutral Chinese cabbage leaf and dries to constant weight to 50 DEG C of baking ovens；
(7) pulverize: the Chinese cabbage leaf pulverizer after drying is ground into the 40 white vegetable leaf residues of purpose, i.e. obtains biological adsorption agent.
Embodiment 2
A kind of method using Chinese cabbage leaf to prepare biological adsorption agent in the present embodiment, it specifically comprises the following steps that
(1) raw material is processed: choosing unmetamorphosed discarded Chinese cabbage leaf is raw material, cleans Chinese cabbage successively with tap water and distilled water
Leaf is limpid to current, then dries to constant weight in 100 DEG C of baking ovens；
(2) water-bath: the Chinese cabbage leaf water-bath 40min at 80 DEG C that will dry；
(3) rinsing is to neutral: fully wash the Chinese cabbage leaf distilled water after water-bath to neutrality；
(4) ultrasonic assistant acid treatment: to the neutral Chinese cabbage leaf that weight portion is 1 part, washing is placed in weight portion is 5 parts
The hydrochloric acid that concentration is 0.20mol/L in, in ultrasonic instrument hydrolyze, ultrasonic power is 200w, and temperature is 100 DEG C, place
The reason time is 30min；
(5) rinsing is to neutral: the Chinese cabbage leaf distilled water after step (4) being processed fully washs to neutrality；
(6) dry: rinsing is put to neutral Chinese cabbage leaf and dries to constant weight to 100 DEG C of baking ovens；
(7) pulverize: the Chinese cabbage leaf pulverizer after drying is ground into the 60 white vegetable leaf residues of purpose, i.e. obtains biological adsorption agent.
Embodiment 3
A kind of method using Chinese cabbage leaf to prepare biological adsorption agent in the present embodiment, it specifically comprises the following steps that
(1) raw material is processed: choosing unmetamorphosed discarded Chinese cabbage leaf is raw material, cleans Chinese cabbage successively with tap water and distilled water
Leaf is limpid to current, then dries to constant weight in 80 DEG C of baking ovens；
(2) water-bath: the Chinese cabbage leaf water-bath 20min at 150 DEG C that will dry；
(3) rinsing is to neutral: fully wash the Chinese cabbage leaf distilled water after water-bath to neutrality；
(4) ultrasonic assistant acid treatment: to the neutral Chinese cabbage leaf that weight portion is 5 parts, washing is placed in weight portion is 25 parts
The hydrochloric acid that concentration is 0.25mol/L in, in ultrasonic instrument hydrolyze, ultrasonic power is 100w, and temperature is 50 DEG C, process
Time is 60min；
(5) rinsing is to neutral: the Chinese cabbage leaf distilled water after step (4) being processed fully washs to neutrality；
(6) dry: rinsing is put to neutral Chinese cabbage leaf and dries to constant weight to 80 DEG C of baking ovens；
(7) pulverize: the Chinese cabbage leaf pulverizer after drying is ground into the 80 white vegetable leaf residues of purpose, i.e. obtains biological adsorption agent.
Embodiment 4
A kind of method using Chinese cabbage leaf to prepare biological adsorption agent in the present embodiment, it specifically comprises the following steps that
(1) raw material is processed: choosing unmetamorphosed discarded Chinese cabbage leaf is raw material, cleans Chinese cabbage successively with tap water and distilled water
Leaf is limpid to current, then dries to constant weight in 50 DEG C of-100 DEG C of baking ovens；
(2) water-bath: the Chinese cabbage leaf water-bath 20min-40min at 80 DEG C-150 DEG C that will dry；
(3) rinsing is to neutral: fully wash the Chinese cabbage leaf distilled water after water-bath to neutrality；
(4) ultrasonic assistant acid treatment: to the neutral Chinese cabbage leaf that weight portion is 1-5 part, washing is placed in weight portion is 5-
The concentration of 25 parts is in the hydrochloric acid of 0.20mol/L-0.30mol/L, hydrolyzes in ultrasonic instrument, and ultrasonic power is 100w-
200w, temperature is 50 DEG C-100 DEG C, and the process time is 30min-60min；
(5) rinsing is to neutral: the Chinese cabbage leaf distilled water after step (4) being processed fully washs to neutrality；
(6) dry: rinsing is put to neutral Chinese cabbage leaf and dries to constant weight to 50 DEG C of-100 DEG C of baking ovens；
(7) pulverize: the Chinese cabbage leaf pulverizer after drying is ground into the granule of 40-100 mesh, i.e. obtains biological adsorption agent.
For verifying the white vegetable leaf residue biological adsorption agent adsorption effect to PM2.5 of gained of the present invention, do following contrast real
Test:
(1) indoor environment that airtight experimental box simulation PM2.5 pollutes is selected.Take burning mosquito incense, with air-blast device by mosquito
The smog that fragrant burning produces is blown in experimental box, carries out Data Detection with PM2.5 detector, and the concentration to PM2.5 reaches stable；
(2) Chinese cabbage leaf biological adsorption agent and kieselguhr, activated carbon, macroporous resin and bamboo Charcoal Adsorption result pair under the same terms
Ratio；
(3) use scanning electron microscope (SEM) to the phenetic analysis of the biological adsorption agent of PM2.5 in purification room.
Concrete adsorption effect is shown in Fig. 1.
As shown in Figure 1, under the same conditions, the Chinese cabbage leaf biological adsorption agent that the present invention the prepares adsorption effect to PM2.5
It is better than kieselguhr, activated carbon, bamboo charcoal and bulk resin.The adsorption rate of Chinese cabbage leaf biological adsorption agent is far above bamboo charcoal, is about activity
Charcoal, the twice of bulk Adsorbent rate, be also eager to excel than diatomaceous adsorption rate.
Fig. 2 is white vegetable leaf residue Electronic Speculum figure before treatment, it can be seen that have particulate material to adhere to, and fold inconspicuous.
Fig. 3 be process after absorption before Chinese cabbage leaf biological adsorption agent Electronic Speculum figure, comparison diagram 2 and Fig. 3, it can be clearly seen that pleat
Wrinkle increases.Show that Chinese cabbage leaf should have the ability of physical absorption.
Fig. 4 is the Chinese cabbage leaf biological adsorption agent Electronic Speculum figure after absorption, and in figure, Chinese cabbage leaf biological adsorption agent not only fold shoals,
Aperture is covered with whiteness again, even has particulate material to adhere to, illustrate that Chinese cabbage leaf biological adsorption agent has adsorbed in air
Free PM2.5.
The present invention is not restricted to the described embodiments, and without departing from the scope of the invention, enters according to the above description
Improve and the conversion of row all should belong to the protection domain of the claims in the present invention.
Claims (1)
1. the method using Chinese cabbage leaf to prepare biological adsorption agent, is characterized in that: specifically comprise the following steps that
(1) raw material is processed: choosing unmetamorphosed discarded Chinese cabbage leaf is raw material, cleans Chinese cabbage leaf successively extremely with tap water and distilled water
Current are limpid, then dry to constant weight in 50 DEG C of-100 DEG C of baking ovens；
(2) water-bath: the Chinese cabbage leaf water-bath 20min-40min at 80 DEG C-150 DEG C that will dry；
(3) rinsing is to neutral: fully wash the Chinese cabbage leaf distilled water after water-bath to neutrality；
(4) ultrasonic assistant acid treatment: to the neutral Chinese cabbage leaf that weight portion is 1-5 part, washing is placed in weight portion is 5-25 part
The hydrochloric acid that concentration is 0.20mol/L-0.30mol/L in, in ultrasonic instrument hydrolyze, ultrasonic power is 100w-200w,
Temperature is 50 DEG C-100 DEG C, and the process time is 30min-60min；
(5) rinsing is to neutral: the Chinese cabbage leaf distilled water after step (4) being processed fully washs to neutrality；
(6) dry: rinsing is put to neutral Chinese cabbage leaf and dries to constant weight to 50 DEG C of-100 DEG C of baking ovens；
(7) pulverize: the Chinese cabbage leaf pulverizer after drying is ground into the granule of 40-100 mesh, i.e. obtains biological adsorption agent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610788432.2A CN106268669A (en) | 2016-08-30 | 2016-08-30 | A kind of method using Chinese cabbage leaf to prepare biological adsorption agent |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610788432.2A CN106268669A (en) | 2016-08-30 | 2016-08-30 | A kind of method using Chinese cabbage leaf to prepare biological adsorption agent |
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| CN201610788432.2A Pending CN106268669A (en) | 2016-08-30 | 2016-08-30 | A kind of method using Chinese cabbage leaf to prepare biological adsorption agent |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109289797A (en) * | 2018-11-29 | 2019-02-01 | 运城学院 | A method of it is saltoutd using ultrasonic wave auxiliary and prepares benzene adsorbent |
| CN109289793A (en) * | 2018-11-29 | 2019-02-01 | 运城学院 | The method for handling and preparing PM2.5 adsorbent of saltouing is assisted using ultrasonic wave |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109289797A (en) * | 2018-11-29 | 2019-02-01 | 运城学院 | A method of it is saltoutd using ultrasonic wave auxiliary and prepares benzene adsorbent |
| CN109289793A (en) * | 2018-11-29 | 2019-02-01 | 运城学院 | The method for handling and preparing PM2.5 adsorbent of saltouing is assisted using ultrasonic wave |
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Application publication date: 20170104 |