CN108067202A - Coconut palm dimension charcoal composite formaldehyde adsorbent and preparation method thereof - Google Patents

Coconut palm dimension charcoal composite formaldehyde adsorbent and preparation method thereof Download PDF

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Publication number
CN108067202A
CN108067202A CN201610997426.8A CN201610997426A CN108067202A CN 108067202 A CN108067202 A CN 108067202A CN 201610997426 A CN201610997426 A CN 201610997426A CN 108067202 A CN108067202 A CN 108067202A
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coconut palm
nano
charcoal composite
formaldehyde adsorbent
palm dimension
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陈梦
温毓敏
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Henan Haina New Material Co Ltd
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Henan Haina New Material Co Ltd
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    • 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
    • B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
    • B01J20/0211—Compounds of Ti, Zr, Hf
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A01N59/16—Heavy metals; Compounds thereof
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
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    • B01J20/0248—Compounds of B, Al, Ga, In, Tl
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    • 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
    • B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
    • 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
    • B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
    • B01J20/043—Carbonates or bicarbonates, e.g. limestone, dolomite, aragonite
    • 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
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • 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
    • B01J20/26—Synthetic macromolecular compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • B01J20/28016—Particle form
    • B01J20/28021—Hollow particles, e.g. hollow spheres, microspheres or cenospheres
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    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
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    • B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J20/28057—Surface area, e.g. B.E.T specific surface area
    • B01J20/28066—Surface area, e.g. B.E.T specific surface area being more than 1000 m2/g
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
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    • B01D2257/7027—Aromatic hydrocarbons
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • 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
    • B01J2220/4825—Polysaccharides or cellulose materials, e.g. starch, chitin, sawdust, wood, straw, cotton

Abstract

The present invention provides a kind of coconut palms to tie up charcoal composite formaldehyde adsorbent, includes the raw material of following parts by weight：Nano-titanium colloidal sol 10 20, calcium aluminate 6 10, melmac 6 10, nano carbon sol 5 10, sepiolite powder 5 10, coconut palm dimension charcoal 20 30, lignin 25, epipremnum aureum ground-slag 10 15, powdered whiting 58.The present invention also provides a kind of preparation methods of above-mentioned coconut palm dimension charcoal composite formaldehyde adsorbent.The coconut palm dimension charcoal composite formaldehyde adsorbent PARA FORMALDEHYDE PRILLS(91,95) adsorption rate is fast, and advantages of good adsorption effect is environmentally protective, has good adsorption effect to various pollutants, the adsorption effect of especially PARA FORMALDEHYDE PRILLS(91,95) is high, and recycling effect is good, and preparation method is simple, it is workable, it is at low cost, be conducive to promote and apply.

Description

Coconut palm dimension charcoal composite formaldehyde adsorbent and preparation method thereof
Technical field
The present invention relates to a kind of adsorbents, and in particular to a kind of coconut palm dimension charcoal composite formaldehyde adsorbent and preparation method thereof.
Background technology
Formaldehyde is noxious material, median lethal dose（Rat, orally）800mg/kg, steam energy intense stimulus mucous membrane, tool There is carcinogenicity, belong to high poisonous substance.It can react generation carcinogen-- dichloro formaldehyde ether with the ionic chloride in air. Formaldehyde can not only be combined with the amino in protein, make protein denaturation so as to cause the injury to human body, actually formaldehyde pair The injury of human body is many, and high-concentration formaldehyde is also toxic to nervous system, immune system, liver etc..Formaldehyde is to human body Injury can also be through a variety of ways：Formaldehyde can be absorbed through respiratory tract, suck high-concentration formaldehyde after, it may appear that respiratory tract it is tight Sharp and oedema, eye shouting pain, headache are remised, bronchial asthma can also occur.Direct skin contact high-concentration formaldehyde can cause skin Inflammation, color spot, necrosis.Its aqueous solution " formalin " can be absorbed through alimentary canal.
A small amount of formaldehyde is often sucked, slow poisoning can be caused, chronic respiratory disease can be caused, mucous membrane is congested, skin It stimulates the symptoms such as disease, allergic dermatitis angling and fragility, nail matrix finger tip pain or even causes nasopharyngeal carcinoma.For women, warp Often suck a small amount of formaldehyde, in fact it could happen that feminine menstrual is disorderly, and sucking may cause pregnancy syndrome to pregnant woman for a long time, cause newborn Constitution reduces, chromosome abnormality, ewborn infant deformity or even death.Man's sucking for a long time can cause man's teratospermia, dead It dies, sexual function declines, serious to cause leukaemia, pneumothorax, and fecundity missing, constitutional symptom has headache, weak, stomach to receive Difference, palpitaition, insomnia, weight loss and vegetative nervous disorder etc..The people of Long Term Contact formaldehyde can cause nasal cavity, oral cavity, nose Pharynx, throat, skin and gastral cancer.
Formaldehyde is considered as a kind of suspecious carcinogen to rank the first in indoor pollution always, is typically derived from decoration, dress Material, furniture and coating etc. are repaiied, especially using coating, artificial board as very, artificial board includes face artificial board, glued board, wood shavings Plate, fiberboard, composite floor board etc., they use the phenolic aldehyde containing formaldehyde, Lauxite and adhesive, gluing in process of production Agent contains air aldehyde resin mostly, so in order to ensure people possess good living environment, the content for reducing indoor formaldehyde is one The cardinal task of the item most important thing.
The content of the invention
In view of this, the present invention is it is necessory to provide a kind of coconut palm dimension charcoal composite formaldehyde adsorbent and preparation method thereof, with solution The certainly above problem.
The present invention provides a kind of coconut palm dimension charcoal composite formaldehyde adsorbent, includes the raw material of following parts by weight：Nano-titanium colloidal sol 10-20, calcium aluminate 6-10, melmac 6-10, nano carbon sol 5-10, sepiolite powder 5-10, coconut palm dimension charcoal 20-30, wood Quality 2-5, epipremnum aureum ground-slag 10-15, powdered whiting 5-8.Wherein, the soluble solids in the nano carbon sol is that quality percentage contains It measures as 10%-15%.The coconut palm dimension charcoal is using coconut husk as raw material, and through high-temperature activation, carbonization treatment, while it is fine to load photocatalyst, carbon Tie up a kind of novel absorbent charcoal formed；It has flourishing specific surface area, and abundant micropore diameter, specific surface area is up to 1000- 1600m2/ g, micro pore volume 90% or so, micropore size 10A-40A.
Based on above-mentioned, the coconut palm dimension charcoal composite formaldehyde adsorbent includes the raw material of following parts by weight：Nano-titanium colloidal sol 13- 17th, calcium aluminate 7-9, melmac 8-9, nano carbon sol 7-8, sepiolite powder 7-8, coconut palm dimension charcoal 23-26, lignin 3-4, Epipremnum aureum ground-slag 12-13, powdered whiting 6-7.
The present invention also provides a kind of preparation methods of above-mentioned coconut palm dimension charcoal composite formaldehyde adsorbent, comprise the following steps：
The raw material of above-mentioned mass parts is weighed, nano-titanium colloidal sol and nano carbon sol are uniformly mixed, obtains a nanometer mixed sols；
Calcium aluminate, melmac, sepiolite powder, coconut palm dimension charcoal, lignin, epipremnum aureum ground-slag and powdered whiting are uniformly mixed It closes, obtains solid material mixture；
Under the action of ultrasonic agitation, the mixture of material admittedly is added in the nanometer mixed sols, obtains raw material mixing Object；
The raw mixture is pressed into raw material pellet using 10 tons -20 tons of pressure, and in 80-120 DEG C of drying, that is, is made Microspheroidal coconut palm ties up charcoal composite formaldehyde adsorbent.
Compared with prior art, the present invention is added to using lignin, powdered whiting and melmac in coconut palm dimension charcoal, Coconut palm is made to tie up Adhesion enhancement between charcoal after drying process by the present invention, the picking that is scattered is not easy when adsorbent is made, it is wear-resisting Property enhancing, extend service life；Coconut palm dimension charcoal have large specific surface area, aperture is moderate, be evenly distributed, adsorption rate is fast, The advantages that impurity is few, the pernicious gases such as PARA FORMALDEHYDE PRILLS(91,95), benzene, TVOC have stronger suction-operated；The present invention also uses nano carbon sol Coordinate nano-titanium colloidal sol with sepiolite powder, enhance intensity, bactericidal properties, adsorbance and heat resistance of TiO 2 sol etc. Performance, and microballoon is made in adsorbent by the present invention, enhances adsorption capacity and adsorption rate, has to tiny field trash Good adsorption effect expands adsorption range, and the epipremnum aureum ground-slag collocation using effect of addition is good, and PARA FORMALDEHYDE PRILLS(91,95) adsorption rate is fast, Advantages of good adsorption effect, environmentally protective, adsorbent prepared by the present invention has good adsorption effect to various pollutants, especially to first The adsorption effect of aldehyde is high, and recycling effect is good, and preparation method is simple, workable, at low cost, is conducive to promote and apply.
Specific embodiment
Below by specific embodiment, technical scheme is described in further detail.
Embodiment 1
The present embodiment provides a kind of coconut palms to tie up charcoal composite formaldehyde adsorbent, includes the raw material of following parts by weight：Nano-titanium colloidal sol 10, Calcium aluminate 6, melmac 6, nano carbon sol 5, sepiolite powder 5, coconut palm dimension charcoal 20, lignin 2, epipremnum aureum ground-slag 10, heavy Calcium carbonate 5.
The present embodiment also provides a kind of preparation method of above-mentioned coconut palm dimension charcoal composite formaldehyde adsorbent, comprises the following steps：
The raw material of above-mentioned mass parts is weighed, nano-titanium colloidal sol and nano carbon sol are uniformly mixed, obtains a nanometer mixed sols；
Calcium aluminate, melmac, sepiolite powder, coconut palm dimension charcoal, lignin, epipremnum aureum ground-slag and powdered whiting are uniformly mixed It closes, obtains solid material mixture；
Under the action of ultrasonic agitation, the mixture of material admittedly is added in the nanometer mixed sols, obtains raw material mixing Object；
The raw mixture is pressed into raw material pellet using 15 tons of pressure, and in 100 DEG C of dryings, i.e., obtained microspheroidal coconut palm Tie up charcoal composite formaldehyde adsorbent.
Embodiment 2
The present embodiment provides the raw materials that a kind of coconut palm dimension charcoal composite formaldehyde adsorbent includes following parts by weight：Nano-titanium colloidal sol 13, aluminium Sour calcium 7, melmac 8, nano carbon sol 7, sepiolite powder 7, coconut palm dimension charcoal 23, lignin 3, epipremnum aureum ground-slag 12, heavy carbon Sour calcium 6.
The present embodiment provides a kind of preparation method of above-mentioned coconut palm dimension charcoal composite formaldehyde adsorbent, the preparation method and embodiment 1 preparation method provided is essentially identical, and the proportioning that difference essentially consists in raw material is different, and drying temperature is 80 DEG C.
Embodiment 3
The present embodiment provides the raw materials that a kind of coconut palm dimension charcoal composite formaldehyde adsorbent includes following parts by weight：Nano-titanium colloidal sol 17, aluminium Sour calcium 9, melmac 9, nano carbon sol 8, sepiolite powder 8, coconut palm dimension charcoal 26, lignin 4, epipremnum aureum ground-slag 13, heavy carbon Sour calcium 7.
The present embodiment provides a kind of preparation method of above-mentioned coconut palm dimension charcoal composite formaldehyde adsorbent, the preparation method and embodiment 1 preparation method provided is essentially identical, and the proportioning that difference essentially consists in raw material is different.
Embodiment 4
The present embodiment provides a kind of coconut palms to tie up charcoal composite formaldehyde adsorbent, includes the raw material of following parts by weight：Nano-titanium colloidal sol 20, Calcium aluminate 10, melmac 10, nano carbon sol 10, sepiolite powder 10, coconut palm dimension charcoal 30, lignin 5, epipremnum aureum ground-slag 15, Powdered whiting 8.
The present embodiment provides a kind of preparation method of above-mentioned coconut palm dimension charcoal composite formaldehyde adsorbent, the preparation method and embodiment 1 preparation method provided is essentially identical, and the proportioning that difference essentially consists in raw material is different, and drying temperature is 120 DEG C.
Performance test
The adsorbent that 0.5g above-described embodiments 1-4 is provided and the methylene blue solution 500ml that mass concentration is 100mg/l are taken respectively Reaction, test index are as follows：
Sample Removal rate is used for the first time Adsorbance（mg/g） Use the removal rate of 6 times Rate of wear Benzene adsorption rate
Embodiment 1 97.1% 91.8 78.8% 1.5% 88.9%
Embodiment 2 99.2% 93.2 80.9% 1.4% 89.5%
Embodiment 3 99.5% 98.9 82.4% 1.2% 90.2%
Embodiment 4 98.7% 99.2 81.8% 1.4% 89.7%
Finally it should be noted that：The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；Although ginseng The present invention is described in detail according to preferred embodiment, those of ordinary skills in the art should understand that：It still can be with It modifies to the specific embodiment of the present invention or equivalent substitution is carried out to some technical characteristics；Without departing from skill of the present invention The spirit of art scheme should all cover among the claimed technical solution scope of the present invention.

Claims (3)

1. a kind of coconut palm ties up charcoal composite formaldehyde adsorbent, which is characterized in that it includes the raw material of following parts by weight：Nano-titanium colloidal sol 10-20, calcium aluminate 6-10, melmac 6-10, nano carbon sol 5-10, sepiolite powder 5-10, coconut palm dimension charcoal 20-30, wood Quality 2-5, epipremnum aureum ground-slag 10-15, powdered whiting 5-8.
2. coconut palm according to claim 1 ties up charcoal composite formaldehyde adsorbent, which is characterized in that it includes the original of following parts by weight Material：Nano-titanium colloidal sol 13-17, calcium aluminate 7-9, melmac 8-9, nano carbon sol 7-8, sepiolite powder 7-8, coconut palm dimension charcoal 23-26, lignin 3-4, epipremnum aureum ground-slag 12-13, powdered whiting 6-7.
3. a kind of preparation method of the coconut palm dimension charcoal composite formaldehyde adsorbent described in claim 1 or 2, comprises the following steps：
Nano-titanium colloidal sol and nano carbon sol are uniformly mixed, obtain a nanometer mixed sols；
Calcium aluminate, melmac, sepiolite powder, coconut palm dimension charcoal, lignin, epipremnum aureum ground-slag and powdered whiting are uniformly mixed It closes, obtains solid material mixture；
Under the action of ultrasonic agitation, the mixture of material admittedly is added in the nanometer mixed sols, obtains raw material mixing Object；
The raw mixture is pressed into raw material pellet using 10 tons -20 tons of pressure, and in 80-120 DEG C of drying, that is, is made Microspheroidal coconut palm ties up charcoal composite formaldehyde adsorbent.
CN201610997426.8A 2016-11-14 2016-11-14 Coconut palm dimension charcoal composite formaldehyde adsorbent and preparation method thereof Withdrawn CN108067202A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108654577A (en) * 2018-06-21 2018-10-16 邱朝转 A kind of methyl aldehyde adsorption material and preparation method thereof
CN109537355A (en) * 2018-11-15 2019-03-29 天津市盛世德新材料科技有限公司 Long-acting no aldehyde impregnated paper and preparation method thereof
CN110368795A (en) * 2019-07-26 2019-10-25 杨鑫 A kind of natural lignin's formaldehyde purifying agent and preparation method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104888700A (en) * 2015-05-21 2015-09-09 安徽凤凰滤清器股份有限公司 Formaldehyde adsorbent and preparation method thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104888700A (en) * 2015-05-21 2015-09-09 安徽凤凰滤清器股份有限公司 Formaldehyde adsorbent and preparation method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108654577A (en) * 2018-06-21 2018-10-16 邱朝转 A kind of methyl aldehyde adsorption material and preparation method thereof
CN109537355A (en) * 2018-11-15 2019-03-29 天津市盛世德新材料科技有限公司 Long-acting no aldehyde impregnated paper and preparation method thereof
CN110368795A (en) * 2019-07-26 2019-10-25 杨鑫 A kind of natural lignin's formaldehyde purifying agent and preparation method thereof

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