CN104492202B - A kind of application of Chitosan-phospholipid complex - Google Patents
A kind of application of Chitosan-phospholipid complex Download PDFInfo
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- CN104492202B CN104492202B CN201410681476.6A CN201410681476A CN104492202B CN 104492202 B CN104492202 B CN 104492202B CN 201410681476 A CN201410681476 A CN 201410681476A CN 104492202 B CN104492202 B CN 104492202B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
Abstract
The invention belongs to Marine Chemistry engineering, be specifically related to the application of a kind of Chitosan-phospholipid complex.Chitosan-phospholipid complex is as the application of fine particle scavenger.The present invention utilizes natural marine organisms chitosan amino-polysaccharide and the characterization of adsorption of derivant thereof, it is applied to settle fine particle in air, it is used in land industry for living marine resources and opens new way, also new method is provided for haze preventing and treating, be conducive to improving resident living environment, improve level of human health, there is important social meaning.
Description
Technical field
The invention belongs to Marine Chemistry engineering, be specifically related to a kind of Chitosan-phospholipid complex
Application.
Background technology
In recent years, the greater part, the central and east such as China North China, the Yellow River and Huai He River, Yangze river and Huai river, south of the River occurs greatly in succession
Scope haze weather.Beijing fine particle indexes Index is repeatedly on the verge of " quick-fried table ", and air quality is lasting
It is in six grades of severe contamination states.Haze weather creates tremendous influence to life and the health of the public,
Therefore principal element PM10 and PM2.5 that cause gray haze are the most increasingly paid close attention to by the public.Fine grained owner
Thermal power generation to be derived from, commercial production, vehicle exhaust, biomass combustion, secondary generation, road
The processes such as airborne dust.Fine particle chemical composition is sufficiently complex, by its source, generation type, particle diameter,
The impact of the factors such as residing weather conditions, its chemical composition mainly includes elemental carbon, and organic carbon is (as many
Aromatic hydrocarbon ring, n-alkane, aldoketones etc.), heavy metal (as zinc, copper, lead, cobalt, nickel, chromium,
Cadmium, arsenic etc.), water-soluble ion (F-, Cl-, NO3 -, SO4 2-, NH4 +Deng), biomass are (such as fungus
And antibacterial).Adsorb the heavy metal element on fine particle and toxic organic compound is fine particle toxicity
Main source.Fine particle in air has become as the pollutant maximum on the impact of health
One of, haze weather in recent years has exposed the seriousness of China's fine particle pollution problem.Cause
This, it is instant for carrying out effectively preventing for the fine particle in air.Certainly, from energy-conservation
Reduction of discharging starts, and cutting off fine particle source and administering atmospheric environment is necessary ways, but, due to me
The current industrial structure of state and layout and the complexity in fine particle source, be difficult to complete in a short time
Watershed management to fine particle.Therefore, research and develop novel fine particle scavenger, cut off fine grained
Thing enters human body environment, for safeguarding that human health is a kind of more effectively approach.
Summary of the invention
It is an object of the invention to provide the application of a kind of Chitosan-phospholipid complex.
For achieving the above object, the technical solution used in the present invention is:
The application of a kind of Chitosan-phospholipid complex, Chitosan-phospholipid complex is removed as fine particle
The application of agent.
Described chitosan molecule amount is 50KDa-10000KDa.
Described chitosan derivatives is carboxymethyl chitosan or chitosan quaternary ammonium salt derivative.
Further, chitosan is configured to solution through diluted acid or chitosan derivatives is configured through water
Become aqueous solution, then solution is sparged in the air as the application of fine particle scavenger, and then effectively
Reduce the concentration of fine particle in air.
Described acid is hydrochloric acid, formic acid, acetic acid, ethanedioic acid or lactic acid.
The described chitosan solution being made into through acid or the chitosan derivatives concentration of aqueous solution being made into through water are
0.001%-3%.
Fine particle in described air is PM2.5 or PM10.
Advantages of the present invention:
Chitosan the most used in the present invention is natural linear polysaccharide polymer substance, by glucosamine
It is formed by connecting by β-1,4 glycosidic bond with acetylglucosamine.There is abundance, biodegradation
Property well, do not easily cause secondary pollution, safety is without having good bio-compatibility, with human body cell
Having the good compatibility, at food medicine, agricultural, material science has the biggest application potential.
2. natural marine polysaccharide-Chitosan-phospholipid complex is applied to settle air by the present invention
Middle fine particle, has preferable fine particle effect of settling, the major toxicity of fine particle in air
Derive from its metal ion carried and harmful microorganism, the marine organisms with chitosan as basic framework
Polysaccharide can adsorb contents of many kinds of heavy metal ion, and inhibited to multiple pathogenic microorganisms, and having can
Can reach to remove the effect of fine particle in air by electrostatic interaction or chemisorbed, and on chitosan
These free groups, it is possible to be chemically modified and molecule grafting, to strengthen its application potential.This
Invent the development by promoting specialty fine particle protection industry, significant to improving public health；Separately
Outward, this project initial feed chitosan, is that the deep processing of marine aquatic product processing waste shrimp and crab shells is produced
Product, the industry of this project is implemented, by devalued for the existence being substantially improved the current Aquatic Product Process Industry of China,
Heavy-polluted feature, promotes the higher value application of Chinese Marine Biology Resources, improves coastal ecological environment.
Accompanying drawing explanation
The chitosan that Fig. 1 provides for the present example subsidence curve to indoor fine particle PM10.
The chitosan that Fig. 2 provides for the present example subsidence curve to indoor fine particle PM2.5.
The carboxymethyl chitosan that Fig. 3 provides for present example is bent to the sedimentation of indoor fine particle PM10
Line.
The carboxymethyl chitosan that Fig. 4 provides for the present example sedimentation to indoor fine particle PM2.5
Curve.
The N-N-trimethyl chitosan TMC quaternary ammonium salt that Fig. 5 provides for the embodiment of the present invention is to indoor fine particle
The subsidence curve of PM10.
The N-N-trimethyl chitosan TMC quaternary ammonium salt that Fig. 6 provides for the embodiment of the present invention is to indoor fine particle
The subsidence curve of PM2.5.
Specific embodiment
Below in conjunction with Figure of description, the invention will be further described, and protection scope of the present invention
It is not only limited to following example.
Embodiment 1
Chitosan (1800kDa) 2g is dissolved in 1000ml 0.2% (mass fraction) acetic acid obtain
Chitosan solution, after chitosan solution is loaded in atomising device.(35m in an airtight laboratory3),
By fine grained in air particles calculating instrument (Dylos 1700, produced in USA) in real time monitoring room air
The concentration (concentration is in terms of grain number/0.01 cubic chi) of thing PM10 and PM2.5.In airtight laboratory
After fine particle stable reading, by the chitosan solution for preparing through atomising device in laboratory aerial
Spraying, solution spraying 6.5mL, fine particle PM10 (seeing Fig. 1) and PM2.5 (ginseng in laboratory
See Fig. 2) concentration change.As depicted in figs. 1 and 2 after spraying chitosan solution, indoor PM10 and
PM2.5 concentration declines rapidly after having of short duration rising.This is mainly missed chitosan by particle counting instrument
Solution atomization drop is identified as fine particle, and chitosan drop solvent gradually volatilizees subsequently, and chitosan divides
Son aloft can effectively adsorb the fine particle in air, the fine particle concentration of room air weight
Under persistently, and it is maintained at extremely low level for a long time.Wherein PM10 concentration is from initial mean value 1104
Number/0.01 cubic chi is finally down to 100 number/0.01 cubic chi, and clearance rate reaches 90.9%；PM2.5
Concentration is finally down to 1220 number/0.01 cube from 13816 number/0.01 cubic chi of initial mean value
Chi, clearance rate reaches 91.2%.
Embodiment 2
Carboxymethyl chitosan (substitution value is 80%) 2g is dissolved in 1000ml distilled water and obtains carboxymethyl
Chitosan solution, after carboxymethyl chitosan solution is loaded in atomising device.In an airtight laboratory
(35m3), monitor Interior Space in real time by air particles calculating instrument (Dylos 1700, produced in USA)
The concentration (concentration is in terms of grain number/0.01 cubic chi) of fine particle PM10 and PM2.5 in gas.Close
Close in laboratory after fine particle stable reading, by the carboxymethyl chitosan solution for preparing through atomization dress
Putting aerial spraying in laboratory, solution spraying 6.5mL, in laboratory, fine particle PM10 (sees
Fig. 3) with PM2.5 (seeing Fig. 4) concentration change.As shown in Figure 3 and Figure 4 at spraying carboxymethyl shell
After polysaccharide solution, indoor PM10 and PM2.5 concentration declines rapidly after having of short duration rising.This is main
If carboxymethyl chitosan solution atomized drop is identified as fine particle, subsequently by particle counting instrument by mistake
Carboxymethyl chitosan drop solvent gradually volatilizees, and carboxymethyl chitosan glycan molecule aloft can effectively be inhaled
Fine particle in attached air, the fine particle concentration of room air weight persistently under, and keep for a long time
In extremely low level.Wherein PM10 concentration is from 1537 number/0.01 cubic chi final declines of initial mean value
To 95 number/0.01 cubic chi, clearance rate reaches 93.8%；PM2.5 concentration is from initial mean value 20325
Number/0.01 cubic chi is finally down to 5593 number/0.01 cubic chi, and clearance rate reaches 72.5%.With shell
Polysaccharide solution compares, and the clearance rate of indoor PM2.5 has been declined by carboxymethyl chitosan solution, but,
Carboxymethyl chitosan is water miscible polysaccharide, it is to avoid the use of acid in chitosan course of dissolution, in reality
Border is more convenient in applying.
Embodiment 3
N-N-trimethyl chitosan TMC quaternary ammonium salt (substitution value is 100%) 2g is dissolved in 1000ml distilled water
Obtain N-N-trimethyl chitosan TMC quaternary ammonium salt solution, after by N-N-trimethyl chitosan TMC quaternary ammonium salt solution load mist
In gasifying device.(35m in an airtight laboratory3), by air particles calculating instrument (Dylos 1700,
Produced in USA) (concentration is with grain to monitor the concentration of fine particle PM10 and PM2.5 in room air in real time
/ 0.01 cubic chi of meter of number).In airtight laboratory after fine particle stable reading, the N-that will prepare
N-trimethyl chitosan TMC quaternary ammonium salt solution through atomising device aerial spraying in laboratory, solution spraying 6.5mL,
Fine particle PM10 (seeing Fig. 5) and PM2.5 (seeing Fig. 6) concentration change in laboratory.As
Shown in Fig. 5 and Fig. 6 after spraying N-N-trimethyl chitosan TMC quaternary ammonium salt solution, indoor PM10 and PM2.5
Concentration declines rapidly after having of short duration rising.This is mainly missed N-front three base enclosure by particle counting instrument
Polysaccharide quaternary ammonium salt solution atomized drop is identified as fine particle, subsequently N-N-trimethyl chitosan TMC quaternary ammonium saline solution
Dripping solvent gradually to volatilize, N-N-trimethyl chitosan TMC quaternary ammonium salt molecule aloft can effectively adsorb air
In fine particle, the fine particle concentration of room air weight persistently under, and be maintained at extremely low for a long time
Level.Wherein PM10 concentration is finally down to 33 from 333 number/0.01 cubic chi of initial mean value
Number/0.01 cubic chi, clearance rate reaches 90.1%；PM2.5 concentration is from 8495 number/0.01 of initial mean value
Cubic chi being finally down to 2525 number/0.01 cubic chi, clearance rate reaches 70.3%.With chitosan solution
Relatively, the clearance rate of indoor PM2.5 has been declined by N-N-trimethyl chitosan TMC quaternary ammonium salt solution, but,
N-N-trimethyl chitosan TMC quaternary ammonium salt is water miscible polysaccharide, it is to avoid in chitosan course of dissolution, acid makes
With, the most more convenient.
Claims (1)
1. the application of a chitosan derivatives, it is characterised in that: chitosan derivatives is as the application of fine particle scavenger；
Described chitosan derivatives is carboxymethyl chitosan or chitosan quaternary ammonium salt derivative；
Chitosan derivatives is configured to aqueous solution through water, then solution is sparged in the air as the application of fine particle scavenger, and then effectively reduce the concentration of fine particle in air；
The described chitosan derivatives concentration of aqueous solution being made into through water is 0.001%-3%.
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| JP5503350B2 (en) * | 2010-03-16 | 2014-05-28 | 大成建設株式会社 | Dust scattering inhibitor |
| CN103059347B (en) * | 2013-01-18 | 2014-11-26 | 西安科技大学 | Environmentally-friendly multifunctional dust suppressant and preparation method thereof |
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| CN103951767B (en) * | 2014-05-04 | 2016-02-03 | 南京大学 | The preparation method of chitosan haze sinking agent and application thereof |
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Effective date of registration: 20211008 Address after: 124010 Room 303, Xinglongtai District building economic incubation base, No. 52, Hexiang Road, Chuangxin street, Xinglongtai District, Panjin City, Liaoning Province Patentee after: Zhongke Institute of Marine Biology (Panjin) Co.,Ltd. Address before: 266071 No. 7 Nanhai Road, Shandong, Qingdao Patentee before: Institute of Oceanology Chinese Academy of Sciences |