CN106479440A - Degradable ecological efficient dust suppressant - Google Patents
Degradable ecological efficient dust suppressant Download PDFInfo
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- CN106479440A CN106479440A CN201510543556.XA CN201510543556A CN106479440A CN 106479440 A CN106479440 A CN 106479440A CN 201510543556 A CN201510543556 A CN 201510543556A CN 106479440 A CN106479440 A CN 106479440A
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Abstract
The present invention relates to the use of the method that industrial gelatine prepares living beings dust suppressant with cornstarch.Industrial gelatine is degraded with enzyme, then uses alkaline degradation cornstarch.Be combined two kinds of material mixing crosslinkings and with stabilizer and obtain a kind of colloidal liquid.The material can bond the dust on its surface, prevent secondary fly-up, the inhibitory action of acquisition.
Description
Technical field
The invention belongs to daily-use chemical industry technical field, is related to a kind of preparation method of living beings dust suppressant, is tanning waste recycling.
Background technology
With expanding economy, urbanization and commercial speeds greatly speed up.Process of Urbanization while making people's life convenient, also many environmental problems of association, depositing dust pollution in city is one of subject matter.Mainly there are three aspects in the source of wherein dust granules：Industrial production, life activity and communications and transportation.
Dust of the wind-force effect from open ground is praised enters aerial, and the chemical composition of space-time dust can occur significant changes on the city, and motor vehicle exhaust emission, heating etc. cause various heavy metal relatives enrichments in the dust of city overhead.These dust for being enriched various poisonous and harmful elements are transmitted by wind-force, settle, pollute local soil near urban area.Research shows that pollutant is accumulated to a certain extent in soil can cause soil quality to deteriorate and physiological function of plants imbalance, and can be delivered in human body by food chain, threaten health.As most of surrounding city region is all growing vegetables base, the risk that pollutant enters food chain is this further increases.Through analysis shows, except the element containing more than 8 kinds of As, Cr, Cd, Cu, Hg, Ni, Pb, Zn etc. in dust, wherein most is heavy metal.Also contain the silica very big to lung's harm, sulfur dioxide, have the organic matters such as 3,4 BaPs that carcinogenicity is stronger.With increasing for atmosphere pollution, the appearance of haze weather is continued since 2013, impact of the air particle to health increasingly causes public attention, it is related to the incidence of disease and the death rate of crowd's respiratory system and disease of cardiovascular system that the research of outdoor air Particulate Pollution confirms that air PM2.5 exposes, and can increase population health risk.
At present, surface dust has become one of widest pollutant carrier of earth's surface distribution.The dust that kicks up gets in, ground, windowsill, glass pane, air-conditioning shell etc..Common particle size of dust majority at 20～30 μm, its in atmosphere the holdup time shorter preferably can be deposited in material surface, be known as depositing dust.And dust granules diameter is between 2.5 μm（PM2.5）With 10 μm（PM10）Between solia particle also can float for a long time in atmosphere, be referred to as the dust that swims.
Fine particle from the point of view of the monitoring result in the pilot monitoring city of part in 2011, in current China's majority urban air（PM2.5）Year average is 58 μ g/m3, the secondary standard for being evaluated i.e. PM2.5 average by new ambient air quality is 35 μ g/m3, most city fine particles will be exceeded.There are some researches prove, outdoor particulate matter is the main source of indoor PM2.5, in room air, PM2.5 concentration increases with the increase of outdoor concentration.The interior in some cities is detected to office space indoor air particulate matter that using the method for annual work day continuous sampling the working day PM10 concentration of discovery whole year >=35.0 % exceedes《Indoor Air Quality standards》Require, the working day PM2.5 concentration of >=50.0 % is more than GB 3,095 2012《Ambient air quality》Class two zone domain limit value.
Content of the invention
A kind of living beings dust suppressant of the present invention is composited by natural and multi-functional high molecular polymer, crosslinked action in compound makes molecule form network structure, band weak cationic groups, charge density is big, stronger affinity is produced between ion, the formaldehyde of in the air can be caught rapidly and particle dust is firmly adsorbed, with efficient dust suppression, dustproof effect.It is mainly used in the dust adsorption on material surface and ground, fixes dust, secondary fly-up is prevented, while adsorbable formaldehyde in air, suppresses dust to have sterilizing effect, effectively prevent dust from giving people the harm that class and environment bring.
The present invention is achieved through the following technical solutions based on industrial gelatine and cornstarch.
Based on Chrome Tanning shaving shavings and deburring chromium block, carry out a kind of preparation method of living beings dust suppressant and comprise the following steps：
（1）A kind of preparation of living beings dust suppressant.It is characterized in that：Raw material comes industrial gelatine and two kinds of living beings of cornstarch.100 parts of industrial gelatine, 300 parts of water, 5 parts of triethanolamine, 50～60 DEG C are heated to, stirring, until dissolving, is cooled to 35～40 DEG C, liquid pH8.5～10 are adjusted, add 0.5 part of activator, proteinase-10 .5～1 part, stirs 1～4 hour, makes degraded gelatin solution, standby.100 parts of cornstarch, 300 parts of water, 90～100 DEG C are heated to, stirring, until gelatinization is transparent, 2 parts of piece alkali is added, stir 3～5 hours, gelatinization degradable starch solution is made, standby.
（2）By degraded gelatin solution, 100 parts mix with 100 parts of degradable starch solution is gelatinized, and adjust mixed solution pH8～8.5, are warming up to 90～100 DEG C, 2～3 parts, 4～6 hours of dropping crosslinking agent.50 DEG C are cooled to, stabilizer adjustment viscosity and filming performance, 0.2～0.5 part of bactericide are added, is stirred.Make containing dust suppressant admittedly for 20% or so.
The key property of product has following characteristics：
1) product composition：Natural polyamino weak cation compound
2) advantage：Biological, degradable, multi-functional
3) act on：Wetting, bonding, condensation, moisture absorption, dust-proof
4) outward appearance：Faint yellow thick
5) water-soluble：Good
6) pH (10%)：6.5～7.0
7) degradability：Very well
Description of the drawings
Fig. 1 is domestic surface dust schematic diagram.Fine particle (PM2.5) year average in China's majority urban air is 58 μ g/m3 at present, and the secondary standard for being evaluated i.e. PM2.5 average by new ambient air quality is 35 μ g/m3, and most city fine particles will be exceeded.
Specific embodiment
It is described in conjunction with the embodiments the specific embodiment of the present invention.
Embodiment
1
（1）A kind of preparation of living beings dust suppressant.It is characterized in that：Raw material comes industrial gelatine and two kinds of living beings of cornstarch.100 parts of industrial gelatine, 300 parts of water, 5 parts of triethanolamine, 50 DEG C are heated to, stirring, until dissolving, is cooled to 35 DEG C, and adjustment liquid pH9,0.5 part of ammonium hydrogen carbonate of addition, 2,709 1 part of protease, stir 2 hours, degraded gelatin solution is made, standby.100 parts of cornstarch, 300 parts of water, 100 DEG C are heated to, stirring, until gelatinization is transparent, 2 parts of piece alkali is added, stir 4 hours, gelatinization degradable starch solution is made, standby.
（2）By degraded gelatin solution, 100 parts mix with 100 parts of degradable starch solution is gelatinized, and adjust mixed solution pH 8.5, are warming up to 90 DEG C, drip 3 parts of formaldehyde, stir 4 hours.50 DEG C are cooled to, addition polyacrylamide adjustment viscosity, 0.2 part of bactericide, stir.Make containing dust suppressant admittedly for 20% or so.
Embodiment
2
（1）A kind of preparation of living beings dust suppressant.It is characterized in that：Raw material comes industrial gelatine and two kinds of living beings of cornstarch.100 parts of industrial gelatine, 300 parts of water, 5 parts of triethanolamine, 60 DEG C are heated to, stirring, until dissolving, is cooled to 40 DEG C, and adjustment liquid pH 10,0.5 part of sodium sulfite of addition, 209 1 part of protease, stir 4 hours, degraded gelatin solution is made, standby.100 parts of cornstarch, 300 parts of water, 100 DEG C are heated to, stirring, until gelatinization is transparent, 2 parts of piece alkali is added, stir 5 hours, gelatinization degradable starch solution is made, standby.
（2）By degraded gelatin solution, 100 parts mix with 100 parts of degradable starch solution is gelatinized, and adjust mixed solution pH 8.5, are warming up to 100 DEG C, 2 parts, 4 hours of dropping glyoxal.50 DEG C are cooled to, addition carboxymethylcellulose calcium adjustment viscosity, 0.3 part of bactericide, stir.Make containing dust suppressant admittedly for 20% or so.
Claims (3)
1. degradable ecological efficient dust suppressant is prepared and is characterised by raw material from industrial gelatine and two kinds of living beings of cornstarch：100 parts of industrial gelatine, 300 parts of water, 5 parts of triethanolamine, 50～60 DEG C are heated to, stirring, until dissolving, is cooled to 35～40 DEG C, liquid pH8.5～10 are adjusted, add 0.5 part of activator, proteinase-10 .5～1 part, stirs 1～4 hour, makes degraded gelatin solution, standby；100 parts of cornstarch, 300 parts of water, 90～100 DEG C are heated to, stirring, until gelatinization is transparent, 3～5 parts of piece alkali is added, stir 3～5 hours, gelatinization degradable starch solution is made, standby.
2. 100 parts of degraded gelatin solution is mixed for 100 parts with gelatinization degradable starch solution, adjust mixed solution pH8～8.5, it is warming up to 90～100 DEG C, 2～3 parts of crosslinking agent of dropping, 4～6 hours, is cooled to 50 DEG C, add stabilizer adjustment viscosity and filming performance, 0.2～0.5 part of bactericide, stirs, and makes containing dust suppressant admittedly for 20% or so.
3. the activator in above-mentioned requirements is made up of basic ammonium salts, sulphite；Protease is such as 2709,209 enzymes by alkaline industrial protease；Crosslinking agent is formaldehyde, glyoxal, glutaraldehyde；Stabilizer is polyacrylamide, polyvinyl alcohol, carboxymethylcellulose calcium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510543556.XA CN106479440A (en) | 2015-08-31 | 2015-08-31 | Degradable ecological efficient dust suppressant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510543556.XA CN106479440A (en) | 2015-08-31 | 2015-08-31 | Degradable ecological efficient dust suppressant |
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| CN106479440A true CN106479440A (en) | 2017-03-08 |
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| CN201510543556.XA Pending CN106479440A (en) | 2015-08-31 | 2015-08-31 | Degradable ecological efficient dust suppressant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108948628A (en) * | 2018-06-05 | 2018-12-07 | 山东科技大学 | It is used to prepare the composition and preparation method for preventing the cross-connect graft copolymer of coal storage heap fugitive dust and spontaneous fire |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101619205A (en) * | 2009-08-13 | 2010-01-06 | 沈阳建筑大学 | Modified gelatin dust suppressant and preparation method thereof |
| CN102702581A (en) * | 2012-05-30 | 2012-10-03 | 华北电力大学（保定） | Modified starchy dust suppressant and preparation method and application method thereof |
| CN104694083A (en) * | 2015-01-29 | 2015-06-10 | 云南民族大学 | Compound type chemical dust suppressant and preparation method thereof |
-
2015
- 2015-08-31 CN CN201510543556.XA patent/CN106479440A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101619205A (en) * | 2009-08-13 | 2010-01-06 | 沈阳建筑大学 | Modified gelatin dust suppressant and preparation method thereof |
| CN102702581A (en) * | 2012-05-30 | 2012-10-03 | 华北电力大学（保定） | Modified starchy dust suppressant and preparation method and application method thereof |
| CN104694083A (en) * | 2015-01-29 | 2015-06-10 | 云南民族大学 | Compound type chemical dust suppressant and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108948628A (en) * | 2018-06-05 | 2018-12-07 | 山东科技大学 | It is used to prepare the composition and preparation method for preventing the cross-connect graft copolymer of coal storage heap fugitive dust and spontaneous fire |
| CN108948628B (en) * | 2018-06-05 | 2021-02-09 | 山东科技大学 | Composition for preparing cross-linked graft copolymer for preventing coal storage dust emission and spontaneous ignition and preparation method thereof |
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Application publication date: 20170308 |
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