CN106824115B - A kind of preparation method of purple willow air purification medium - Google Patents
A kind of preparation method of purple willow air purification medium Download PDFInfo
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- CN106824115B CN106824115B CN201710137926.9A CN201710137926A CN106824115B CN 106824115 B CN106824115 B CN 106824115B CN 201710137926 A CN201710137926 A CN 201710137926A CN 106824115 B CN106824115 B CN 106824115B
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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
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
- B01D39/1615—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of natural origin
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
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- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The present invention provides the preparation methods of purple willow air purification medium.Belong to air purification medium technical field, the preparation method of the purple willow air purification medium include: take strip purple willow stem, citric acid solution immersion, NaOH solution immersion, heated-air drying, sorting, vapour cooking and potassium dihydrogen phosphate to impregnate, be woven into cloth, high temperature drying processing, konjac glucomannan impregnate.Air purification medium of the invention have the function of it is good remove chalk dust removing, flue gas and formaldehyde, the preparation method is simple, low manufacture cost, meanwhile, preparation process securely and reliably has good market prospects without any poisonous and harmful element, good purification.
Description
Technical field
The present invention relates to air purification medium technical fields, and in particular to the preparation method of purple willow air purification medium.
Background technique
Nowadays, more and more finishing pollutions and more and more haze flue gases etc. annoying the life cycle of present urban human
Border, such as formaldehyde, flue gas etc. are paid close attention to by people, also always search for a kind of natural filtering that can purify pollutants in air
Medium.
Air purification medium has aperture small, and gap is generally between 0.2-1.5um, even aperture distribution, porosity
Greatly, generally 95% or more, while maintaining the circulation of air, all dust granules including bacterium can be filtered, are reached
The purpose of purification and ventilation.Traditional air purification medium is to form one after extruding stretches using polytetrafluoroethylene (PTFE) as raw material
Kind there is micro porous film, become novel filter material on various fabrics and substrate for this film special process is laminating,
The membrane aperture is small, is evenly distributed, and porosity is big, while maintaining the circulation of air, can filter all including bacterium
Dust granules achieve the purpose that purification and divulge information that it is widely used in the fields such as pharmacy, biochemistry, microelectronics and laboratory consumptive material.
Purple willow is machaka of growing thickly Salicaceae Salix many years, and well developed root system, adaptability are extremely strong, drought resistance and resistance to overhead flooding injury
It is relatively strong.The river terrace that purple willow is distributed widely in fluvial outwash, siltation moistens.Purple willow not only has clockwork spring rate height, wicker elongated, rich
The good characteristics such as flexible, and can check winds and fix drifting sand, conserve water and soil, shore protection, bank protection, develop purple willow using low-lying land, because of ground
Develop to suiting measures to different conditions wetland specialty industries, can effectively evade the risk of natural calamity, avoid, reduce and reduce flood pair
Along the destruction and adverse effect of Huaihe River low-lying land agricultural production, be directly related to along Huaihe River low laying areas broad masses of the people livelihood and
The sustainable development of economic society is along the important channel that Huaihe River low-lying land agricultural keeps away calamity mitigation, increases income synergy.Meanwhile developing Qi
Willow can also improve land resources utilization rate, promote the ecological balance.
Purple willow light is shone, and heliophilous species are belonged to.Illumination is insufficient, grows bad.It is born in mountainous region river bank, wet meadow.Purple willow is fertilizer favorite
Water, anti-waterlogging caused by excessive rain is best to grow in the deep sandy loam in upper layer and irrigation canals and ditches side slope, thus should select sandy loam, flood land with
And the place plantation that irrigation canals and ditches side slope of nearly water etc. is fertile.Fertilizer and water condition is good, and shoot growth is vigorous, can be with normal growth 20~30
Year.Under the conditions of drought and barren soil, shoot growth is thin and delicate short and small, the lost of life.In shallow 2~3 months unfavorable conditions of ponding
Under, remain to normal growth.Purple willow Saline alkali tolerance can be poor, and soil salt content is such as more than 0.3%, then shoot growth weakens.
Purple willow item is generally gathered in late July to early August fair weather.To master is with cutting item with peeling.Peeling
Before to prepare the clip being made into waddy, branch following is first peeled off some skins, is placed in clip, is then taken out from thick head to thin head
It draws, obtains informal voucher.It is dried in time after stripping, the branch after drying is bundled by thickness grading, storage.Storage period prevents sootiness, dampness,
In order to avoid the mouldy discoloration of branch.
Purple willow after treatment, is prepared the crude media that can remove formaldehyde and flue gas, the fibrous material energy by the present invention
Enough filter formaldehyde in air and flue gas, while safety and stability with higher.
Summary of the invention
In order to prepare a kind of natural medium that can remove formaldehyde and flue gas, inventor passes through the spy to purple willow wood fibre
Property and correlative study, propose a kind of natural air purification medium that can remove formaldehyde and flue gas, the air purification medium
It is specific the preparation method is as follows:
A kind of preparation method of purple willow air purification medium, the preparation method of the purple willow air purification medium include as follows
Step: strip purple willow stem, citric acid solution immersion, NaOH solution immersion, heated-air drying, sorting, vapour cooking and di(2-ethylhexyl)phosphate are taken
Hydrogen potassium impregnates, is woven into cloth, high temperature drying processing, konjac glucomannan immersion.
Further, it is described take strip purple willow stem step after, further include impregnated with 0.1 ~ 0.3% sulfur dioxide solution it is 1 ~ 2 small
When, obtain strip purple willow stem.
Further, it is specifically that strip purple willow stem is placed in 2 ~ 5%(m/V that the citric acid solution, which impregnates) citric acid solution
3 ~ 8h of middle immersion, the purple willow stem after obtaining citric acid treatment.
Further, it is specifically to drain the purple willow stem after citric acid treatment that the NaOH solution, which is impregnated, after be put into 3.5 ~ 6%
(m/V) 5 ~ 10h is impregnated in NaOH solution.
Further, the heated-air drying is specifically the condition that the purple willow stem after naoh treatment is placed to 55 ~ 70 DEG C
Under, 3 ~ 5h of heated-air drying.
Further, it is specifically to steam 100 ~ 105 DEG C of water of purple willow fiber that the vapour cooking and potassium dihydrogen phosphate, which impregnate,
Gas 15 ~ 30min of boiling after boiling, is put into 4 ~ 8h of immersion in 0.5 ~ 2% potassium dihydrogen phosphate aqueous solution.
Further, the high temperature drying processing is forced air drying under conditions of cloth-like purple willow fiber is placed in 255 ~ 260 DEG C
1~3h。
Further, it is specifically under conditions of 75 ~ 80 DEG C, with 5 ~ 15%(m/V) konjaku glue solution that the konjac glucomannan, which impregnates,
20 ~ 30min of purple willow fiber cloth after impregnating high temperature drying.
Wherein, the purple willow air purification medium is used to prepare air purifier.
Beneficial effect
The present invention will be discarded extensively, and the purple willow for firewood is subject to deep processing, be obtained a kind of with except formaldehyde and flue gas
Air purification medium, can be used in air purifier, provide a kind of natural nontoxic air purification medium.
Firstly, the present invention is impregnated by sulfur dioxide, the original color of the purple willow that goes out, using citric acid and sodium hydroxide
And etc. processing, organic matters some in purple willow are dissolved completely, using heated-air drying, purple willow fiber is separated well, is obtained
Purple willow fiber to elongated purple willow fiber, but at this moment is very hard, and inventor in boiling and potassium dihydrogen phosphate aqueous solution further through soaking
4 ~ 8h is steeped, purple willow fiber softening is made, finally, carbonized part purple willow fiber by forced air drying under the conditions of 255 ~ 260 DEG C, this
Temperature can neither be high, can not be low, if being higher than 260 DEG C, the air purification medium of preparation has powder generation, pollutes air,
If temperature is lower than 255 DEG C, the situation for causing air filtration media effect bad.Finally, being handled again with konjac glucomannan so that purple willow is empty
Phenomena such as gas purification medium is one complete whole, is not in fiber cracking, meanwhile, have to flue gas and dust good
Adsorption effect.
Purple willow air purification medium PARA FORMALDEHYDE PRILLS(91,95) of the invention and flue gas have good adsorption effect, examine by inventor
Survey, 1%(V/V will be contained) formaldehyde air with 1m3The speed of/min passes through the air purification medium, formaldehyde percent of pass
3.82%, it is seen that purple willow air purification medium provided by the invention has the effect of except formaldehyde；Similarly, 3%(V/V will be contained) cigarette
Gas is with 1m3The speed of/min is by the air purification medium, and flue gas percent of pass is 0.87%, it is seen that the present invention has very strong
Remove the function of flue gas.For inventor by the air containing dust by this air purification medium, dust percent of pass is 0%.
Air purification medium preparation method of the invention is simple, low manufacture cost, meanwhile, preparation process toxic has without any
Evil ingredient, good purification securely and reliably have good market prospects.
Specific embodiment
Embodiment 1
Present embodiments provide a kind of preparation method of purple willow air purification medium, the preparation side of the air purification medium
Method is as follows:
A) it takes strip purple willow stem: after purple willow is picked, taking its stem, purple willow leaf and root are removed, with 0.2% sulfur dioxide
Solution impregnates 1.5 hours, obtains strip purple willow stem.
B) citric acid solution impregnate: strip purple willow stem is placed in 3%(m/V) citric acid solution in impregnate 6h, obtain lemon
Lemon acid treated purple willow stem.
C) NaOH solution impregnate: the purple willow stem after citric acid treatment is drained, after be put into 5%(m/V) NaOH solution in
Impregnate 8h, the purple willow stem after obtaining naoh treatment.
D) heated-air drying: the purple willow stem after naoh treatment is placed in blast drier, under conditions of 60 DEG C, heat
Dry 4h is air-dried, the purple willow stem of the drying obtained.
E) it sorts: after dry, the purple willow fiber for separating soft being picked out, is purple willow fiber, leaves diameter >
Until its fiber separates, it is fine to obtain fibre diameter≤2mm purple willow by it with drying under conditions of 95 DEG C for the purple willow stem of 2mm
Dimension.
F) it vapour cooking: by the purple willow fiber separated with 105 DEG C of vapor boiling 20min, after boiling, is put into
5h is impregnated in 1% potassium dihydrogen phosphate aqueous solution, makes purple willow fiber softening, obtains potassium dihydrogen phosphate treated purple willow fiber.
G) weave: by potassium dihydrogen phosphate treated purple willow fiber by combing, it is fine that weaving is fabricated to cloth-like purple willow
Dimension.
H) high-temperature process: under conditions of cloth-like purple willow fiber is placed in 260 DEG C, forced air drying 2h, after obtaining high temperature drying
Purple willow fiber cloth.
I) konjac glucomannan impregnates: under conditions of 80 DEG C, with the Qi after 10%(m/V) konjac glucomannan aqueous solution soaking high temperature drying
Willow fiber cloth 25min takes out after the completion of impregnating, drains, the purple willow air purification medium of the invention obtained.
Pure natural purple willow air purification medium manufactured in the present embodiment has very strong air purification ability, after testing,
1%(V/V will be contained) formaldehyde air with 1m3For the speed of/min by the air purification medium, formaldehyde percent of pass 3.82% can
See that purple willow air purification medium provided by the invention has the effect of except formaldehyde.
Similarly, 3%(V/V will be contained) flue gas with 1m3The speed of/min is passed through by the air purification medium, flue gas
Rate is 0.87%, it is seen that the present invention has the function of very strong removal flue gas.
By the air containing dust by this air purification medium, dust percent of pass is 0%.
Embodiment 2
Present embodiments provide a kind of preparation method of purple willow air purification medium, the preparation side of the air purification medium
Method is as follows:
1, it takes strip purple willow stem: after purple willow is picked, taking its stem, purple willow leaf and root are removed, with 0.13% sulfur dioxide
Solution impregnates 1 hour, obtains strip purple willow stem.
2, citric acid solution impregnate: strip purple willow stem is placed in 2%(m/V) citric acid solution in impregnate 3h, obtain lemon
Acid treated purple willow stem.
3, NaOH solution impregnate: the purple willow stem after citric acid treatment is drained, after be put into 3.5%(m/V) NaOH solution in
Impregnate 5h, the purple willow stem after obtaining naoh treatment.
4, heated-air drying: the purple willow stem after naoh treatment is placed in blast drier, under conditions of 55 DEG C, heat
Dry 3h is air-dried, the purple willow stem of the drying obtained.
5, it sorts: after dry, the purple willow fiber for separating soft being picked out, is purple willow fiber, leaves diameter >
Until its fiber separates, it is fine to obtain fibre diameter≤2mm purple willow by it with drying under conditions of 95 DEG C for the purple willow stem of 2mm
Dimension.
6, it vapour cooking: by the purple willow fiber separated with 100 DEG C of vapor boiling 15min, after boiling, is put into
4h is impregnated in 0.5% potassium dihydrogen phosphate aqueous solution, makes purple willow fiber softening, obtains potassium dihydrogen phosphate treated purple willow fiber.
7, weave: by potassium dihydrogen phosphate treated purple willow fiber by combing, it is fine that weaving is fabricated to cloth-like purple willow
Dimension.
8, high-temperature process: under conditions of cloth-like purple willow fiber is placed in 255 DEG C, forced air drying 1h, after obtaining high temperature drying
Purple willow fiber cloth.
9, konjac glucomannan impregnates: under conditions of 75 DEG C, with the purple willow after 5%(m/V) konjac glucomannan aqueous solution soaking high temperature drying
Fiber cloth 20min takes out after the completion of impregnating, drains, the purple willow air purification medium of the invention obtained.
Embodiment 3
Present embodiments provide a kind of preparation method of purple willow air purification medium, the preparation side of the air purification medium
Method is as follows:
1, it takes strip purple willow stem: after purple willow is picked, taking its stem, purple willow leaf and root are removed, with 0.3% sulfur dioxide
Solution impregnates 2 hours, obtains strip purple willow stem.
2, citric acid solution impregnate: strip purple willow stem is placed in 5%(m/V) citric acid solution in impregnate 8h, obtain lemon
Acid treated purple willow stem.
3, NaOH solution impregnate: the purple willow stem after citric acid treatment is drained, after be put into 6%(m/V) NaOH solution in soak
Steep 10h, the purple willow stem after obtaining naoh treatment.
4, heated-air drying: the purple willow stem after naoh treatment is placed in blast drier, under conditions of 70 DEG C, heat
Dry 5h is air-dried, the purple willow stem of the drying obtained.
5, it sorts: after dry, the purple willow fiber for separating soft being picked out, is purple willow fiber, leaves diameter >
Until its fiber separates, it is fine to obtain fibre diameter≤2mm purple willow by it with drying under conditions of 95 DEG C for the purple willow stem of 2mm
Dimension.
6, vapour cooking: by the purple willow fiber separated with 105 DEG C of vapor boiling 30min, after boiling, it is put into 2%
Potassium dihydrogen phosphate aqueous solution in impregnate 8h, make purple willow fiber softening, obtain potassium dihydrogen phosphate treated purple willow fiber.
7, weave: by potassium dihydrogen phosphate treated purple willow fiber by combing, it is fine that weaving is fabricated to cloth-like purple willow
Dimension.
8, high-temperature process: under conditions of cloth-like purple willow fiber is placed in 260 DEG C, forced air drying 3h, after obtaining high temperature drying
Purple willow fiber cloth.
9, konjac glucomannan impregnates: under conditions of 80 DEG C, with the Qi after 15%(m/V) konjac glucomannan aqueous solution soaking high temperature drying
Willow fiber cloth 30min takes out after the completion of impregnating, drains, the purple willow air purification medium of the invention obtained.
Claims (7)
1. a kind of preparation method of purple willow air purification medium, it is characterised in that: the preparation side of the purple willow air purification medium
Method includes the following steps:
It takes strip purple willow stem to be impregnated with 0.1 ~ 0.3% sulfur dioxide solution, obtains the strip purple willow after sulfur dioxide solution impregnates
Stem is placed in the citric acid solution that mass volume ratio is 2 ~ 5% and impregnates, the purple willow stem after obtaining citric acid treatment；
After draining by the purple willow stem mass volume ratio after citric acid treatment be 3.5 ~ 6%NaOH solution impregnate；
After the completion of NaOH solution is impregnated, it is placed in heated-air drying in 55 ~ 70 DEG C of environment；
After drying, fibre diameter≤2mm purple willow fiber is sub-elected；
By 100 ~ 105 DEG C of the vapor boiling of purple willow fiber；After boiling, it is put into 0.5 ~ 2% potassium dihydrogen phosphate aqueous solution and soaks
Bubble obtains potassium dihydrogen phosphate treated purple willow fiber；
By potassium dihydrogen phosphate treated purple willow fiber by combing, weaving is fabricated to cloth-like purple willow fiber；
Forced air drying handles 1 ~ 3h under conditions of cloth-like purple willow fiber is placed in 255 ~ 260 DEG C, uses quality volume after the completion of processing
Than being drained after immersion for 5 ~ 15% konjac glucomannan aqueous solution soakings, the purple willow air purification medium is obtained.
2. the preparation method of purple willow air purification medium according to claim 1, it is characterised in that: described to be placed in mass body
The time impregnated in the citric acid solution that product ratio is 2 ~ 5% is 3 ~ 8h.
3. the preparation method of purple willow air purification medium according to claim 1, it is characterised in that: described to use quality volume
Time than impregnating for 3.5 ~ 6%NaOH solution is 5 ~ 10h.
4. the preparation method of purple willow air purification medium according to claim 1, it is characterised in that: described 55 ~ 70 DEG C
The time of heated-air drying is 3 ~ 5h in environment.
5. the preparation method of purple willow air purification medium according to claim 1, it is characterised in that: described with 100 ~ 105
DEG C time of vapor boiling be 15 ~ 30min, the time impregnated in 0.5 ~ 2% potassium dihydrogen phosphate aqueous solution is 4 ~ 8h.
6. the preparation method of purple willow air purification medium according to claim 1, it is characterised in that: described to use quality volume
It is 20 ~ 30min than the time for the cloth-like purple willow fiber after 5 ~ 15% konjac glucomannan aqueous solution soaking high temperature dryings, soaking temperature is
75~80℃。
7. the purple willow air purification medium that preparation method described in any one obtains according to claim 1 ~ 6, it is characterised in that:
The purple willow air purification medium is used to prepare air purifier.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101492700A (en) * | 2009-03-05 | 2009-07-29 | 王建设 | Intensive processing method for stalk articles or agricultural castoff |
| CN106268670A (en) * | 2016-08-30 | 2017-01-04 | 运城学院 | A kind of orange peel prepares the method removing PM2.5 biological adsorption agent |
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| JPH04166236A (en) * | 1990-10-30 | 1992-06-12 | Saga Univ | Metal ion adsorbent |
| CN105688646B (en) * | 2016-02-03 | 2018-08-17 | 章文革 | A kind of air purification remover |
| CN106268677B (en) * | 2016-09-08 | 2018-12-14 | 河海大学 | A kind of preparation method of modified watermelon peel adsorbent |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101492700A (en) * | 2009-03-05 | 2009-07-29 | 王建设 | Intensive processing method for stalk articles or agricultural castoff |
| CN106268670A (en) * | 2016-08-30 | 2017-01-04 | 运城学院 | A kind of orange peel prepares the method removing PM2.5 biological adsorption agent |
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