CN103159206A - Beer lees biomass charcoal with effect of removing pesticide pymetrozine, as well as preparation method and application thereof - Google Patents
Beer lees biomass charcoal with effect of removing pesticide pymetrozine, as well as preparation method and application thereof Download PDFInfo
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- CN103159206A CN103159206A CN2013101038571A CN201310103857A CN103159206A CN 103159206 A CN103159206 A CN 103159206A CN 2013101038571 A CN2013101038571 A CN 2013101038571A CN 201310103857 A CN201310103857 A CN 201310103857A CN 103159206 A CN103159206 A CN 103159206A
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Abstract
The invention discloses beer lees biomass charcoal with an effect of removing pesticide pymetrozine. The beer lees biomass charcoal is prepared by steps of placing wet beer lees in a vacuum drying box, drying, grinding, then performing constant-temperature carbonization at the temperature of 300 DEG C-500 DEG C for 3-5 hours under the protection of nitrogen, and finally screening. The beer lees biomass charcoal disclosed by the invention is prepared from the beer lees, an optimal preparation process of the beer lees biomass charcoal is screened through a large number of tests, waste is changed to a valuable thing, the circulating utilization of resources is promoted, and test results show that the beer lees biomass charcoal provided by the invention has a very high removal effect on pesticides, particularly on the pymetrozine pesticide, has important application value in the control of pesticide pollution and has important significance for environmental protection.
Description
Technical field
The present invention relates to a kind of biomass charcoal, be specifically related to a kind of brewer's grains biomass charcoal with the effect of removal agricultural chemicals pymetrozine and preparation method thereof and application.
Background technology
Goal of the invention: the objective of the invention is in order to solve existing skill China is one of big country of pesticide producing and use, the annual pesticide volume that uses is up to ten thousand tons of 50-60, its kind comprises the agrochemicals such as weedicide, sterilant and sterilant, the utilising efficiency of agricultural chemicals is very low, wherein the about direct entered environment of 80% agricultural chemicals.According to statistics, China is 1600 ~ 2,000 ten thousand hectares by the soil erosion of pesticidal contamination, more than 10 hundred million yuan of financial losses.Due to long-term a large amount of and irrational uses, agricultural chemicals has also caused pollution to environment in the huge effect of its guarantee crop yield of performance, have a strong impact on the healthy of food safety and people.In view of the persistence of pesticide residue, the ubiquity of agricultural chemicals use and the seriousness of pesticidal contamination, the pesticidal contamination reparation becomes the significant problem that must solve.Aspect pesticidal contamination improvement, physico-chemical process is arranged, although have higher removal efficient, its cost is higher, and is larger to ambient interference, the biological method rehabilitation cost is lower, but the time is longer, and efficient is on the low side.
Along with brewing industry develops rapidly, brewer's grains are also increasing as its output of Main By product of beer production.By 2011, the beer annual production of China reached 4,960 ten thousand kilolitres, and the wet poor annual production of beer reaches more than 1,200 ten thousand tons.At present, grain is directly undersold as roughage if the factory owner will wet, because water content is high, be difficult to storage, very easily mildew, consumption is limited, in the area that there is no cattle, this method is also also inapplicable, and economic benefit is low, and more waste residue waits to process, and even some brew-house directly emits the brewer's grains of surplus with the waste form, this has not only caused pollution to ecotope, also the greatly wasting of resources.
Therefore, necessary on the basis of prior art, take full advantage of the brewing industry waste, turn waste into wealth, develop a kind of removal pesticide residue that have, the novel biomass charcoal that environment protection is had vital role.
Summary of the invention
Technical problem: take full advantage of the brewing industry waste, turn waste into wealth, provide a kind of and can effectively remove pesticide residue, especially can effectively remove the brewer's grains biomass charcoal of pymetrozine, another object of the present invention is to provide the preparation method of brewer's grains biomass charcoal.
Technical scheme: for realizing above purpose, the technical scheme that the present invention takes is:
A kind of brewer's grains biomass charcoal with the effect of removal agricultural chemicals pymetrozine, it prepares by the following method:
It is dry that the brewer's grains that will wet are placed in vacuum drying oven; under the condition of preferred 110 ° of C, freeze-day with constant temperature to brewer's grains quality no longer changes; then grind to get the dry beer vinasse sample; then under the protection of nitrogen; the constant temperature charing is 3 to 5 hours under 300 ° C to 500 ° C condition; sieve, obtain the brewer's grains biomass charcoal.
As preferred version, more than have the brewer's grains biomass charcoal of removing the effect of agricultural chemicals pymetrozine, described carbonization temperature is 400 ° of C, and carbonization time is 4 hours, and the particle diameter that sieves is 100 order to 200 orders.
Preparation method with brewer's grains biomass charcoal of removing the effect of agricultural chemicals pymetrozine provided by the invention, it comprises the steps:
It is dry that the brewer's grains that will wet are placed in vacuum drying oven, grinds, and then under the protection of nitrogen, the constant temperature charing is 3 to 5 hours under 300 ° C to 500 ° C condition, sieves, and obtains the brewer's grains biomass charcoal.
As preferred version, above-described preparation method with brewer's grains biomass charcoal of removing the effect of agricultural chemicals pymetrozine, described carbonization temperature is 400 ° of C, and carbonization time is 4 hours, and the particle diameter that sieves is 100 order to 200 orders.
The application of brewer's grains biomass charcoal in preparation removal agricultural chemicals pymetrozine preparation with the effect of removal agricultural chemicals pymetrozine provided by the invention.
As preferred version, the above-described application of brewer's grains biomass charcoal in preparation removal agricultural chemicals pymetrozine preparation with the effect of removal agricultural chemicals pymetrozine, during processing, the consumption of brewer's grains biomass charcoal is 16 ~ 20g/L, during processing, the pH value of regulator solution is 2 to 4, and during processing, temperature is 25 to 45 ° of C.
As more preferably scheme, the above-described application of brewer's grains biomass charcoal in preparation removal agricultural chemicals pymetrozine preparation with the effect of removal agricultural chemicals pymetrozine, during processing, the consumption of brewer's grains biomass charcoal is 20g/L, and during processing, the pH value of regulator solution is 3, and the treatment time is 4 hours.
?
The shaker test of adsorption conditions:
(1) screening of the carbonization temperature of brewer's grains biomass charcoal
It is dry that the brewer's grains that will wet are placed in vacuum drying oven; freeze-day with constant temperature to brewer's grains quality no longer changes under the condition of 110 ° of C; then grind to get the dry beer vinasse sample; then under the protection of nitrogen; constant temperature charing 3 to 5 hours under the condition of 300 ° of C, 400 ° of C, 500 ° of C, 600 ° of C, 700 ° of C respectively; sieve, obtain the brewer's grains biomass charcoal sample of 300 ° of C, 400 ° of C, 500 ° of C, 600 ° of C, 700 ° of C charings.
take respectively at 300 ° of C, 400 ° of C, 500 ° of C, 600 ° of C, each 0.1g of brewer's grains biomass charcoal sample of charing at 700 ° of C temperature, add to respectively in the pymetrozine 50mL of 10 mg/L, regulator solution pH is 3, be in 25 ° of C isothermal vibration devices in water temperature, 2h is processed in concussion, centrifuging, (Beijing is general analyses with spectrophotometer, the T6 new millennium) survey pymetrozine concentration in supernatant liquor, test-results shows, when the brewer's grains carbonization temperature is 300 to 500 ° of C, especially during 400 ° of C, pymetrozine is removed most effective, therefore, the optimum carbonization temperature that the present invention selects is 400 ° of C.As shown in Figure 1.
(2) screening of the particle diameter of brewer's grains biomass charcoal
It is dry that the brewer's grains that will wet are placed in vacuum drying oven; freeze-day with constant temperature to brewer's grains quality no longer changes under the condition of 110 ° of C; then grind to get the dry beer vinasse sample; then under the protection of nitrogen; the constant temperature charing is 4 hours under 400 ° of C spares; 20 to 200 orders that sieve respectively obtain the brewer's grains biomass charcoal sample of different-grain diameter.
Take respectively each 0.1g of brewer's grains biomass charcoal sample of 20 to 200 order different-grain diameters, add to respectively in the pymetrozine 50mL of 10 mg/L, regulator solution pH is 3, be in 25 ° of C isothermal vibration devices in water temperature, 2h is processed in concussion, centrifuging, (Beijing is general analyses with spectrophotometer, the T6 new millennium) survey pymetrozine concentration in supernatant liquor, test-results shows, the particle diameter of brewer's grains biomass charcoal is during greater than 100 order, and pymetrozine is removed most effective, therefore, the particle diameter of the optimum brewer's grains biomass charcoal of the present invention's selection is greater than 100 orders.As shown in Figure 2.
(3) screening of the pH value of the solution of brewer's grains biomass charcoal
Take the brewer's grains biomass charcoal that 400 ° of C charings of 0.1g prepare, add in the pymetrozine 50mL solution of 10 mg/L, the pH of regulator solution is 1 to 10 respectively, be in 25 ° of C isothermal vibration devices in water temperature, 2h, centrifuging are processed in concussion, (Beijing is general analyses with spectrophotometer, the T6 new millennium) survey pymetrozine concentration in supernatant liquor, test-results shows, when the pH of solution value is 2 to 4, especially the pH value is 3 o'clock, pymetrozine is removed most effective, and therefore, the optimum pH value that the present invention selects is 3.As shown in Figure 3.
(4) screening of the consumption of brewer's grains biomass charcoal
Take respectively 0.1 to the 1g brewer's grains biomass charcoal for preparing 400 ° of C charings, add in the pymetrozine 50mL solution of 10 mg/L, the pH of regulator solution is 3, is in 25 ° of C isothermal vibration devices in water temperature, 2h is processed in concussion, centrifuging is surveyed pymetrozine concentration in supernatant liquor with spectrophotometer (Beijing is general analyses, the T6 new millennium), test-results shows, when the consumption of brewer's grains biomass charcoal is 0.6 ~ 1g/50mL, namely 12 to 20g/L the time, pymetrozine is removed most effective.Therefore, to select the consumption of optimum brewer's grains biomass charcoal be 12 to 20g/L in the present invention.As shown in Figure 4.
Beneficial effect: compared to the prior art brewer's grains biomass charcoal provided by the invention has the following advantages:
The present invention screens the best preparation technology of brewer's grains biomass charcoal take brewer's grains as raw material by lot of experiments, the waste of brewing industry is turned waste into wealth, and promotes the recycle of resource, and is significant to environment protection; Test-results shows, brewer's grains biomass charcoal provided by the invention especially has very high removal effect to the pymetrozine agricultural chemicals to agricultural chemicals, has important using value to administering pesticidal contamination, has wide range of applications.
Description of drawings
Fig. 1 is the screening curve figure of the carbonization temperature of brewer's grains biomass charcoal.
Fig. 2 is the screening curve figure of the particle diameter of brewer's grains biomass charcoal.
Fig. 3 is the screening curve figure of the effect pH of brewer's grains biomass charcoal.
Fig. 4 is the screening curve figure of the consumption of brewer's grains biomass charcoal.
Embodiment
According to following embodiment, the present invention may be better understood.Yet, those skilled in the art will readily understand, the described concrete material proportion of embodiment, processing condition and result thereof only are used for explanation the present invention, and should also can not limit the present invention described in detail in claims.
Embodiment 1
Have the brewer's grains biomass charcoal of removing the effect of agricultural chemicals pymetrozine, it prepares by the following method:
The brewer's grains that will wet are placed in vacuum drying oven, and freeze-day with constant temperature to brewer's grains quality no longer changes under the condition of 110 ° of C, then grind to get the dry beer vinasse sample; then under the protection of nitrogen; the constant temperature charing is 4 hours under 400 ° of C conditions, crosses 100 mesh sieves, obtains the brewer's grains biomass charcoal.
2, pymetrozine is removed test
Taking more than 1g is the brewer's grains biomass charcoal that embodiment 1 prepares, add in the pymetrozine 50mL solution of 10 mg/L, the pH of regulator solution is 3, be in 25 ° of C isothermal vibration devices in water temperature, 4h, centrifuging are processed in concussion, (Beijing is general analyses with spectrophotometer, the T6 new millennium) survey pymetrozine concentration in supernatant liquor, test-results shows, the clearance of pymetrozine is 93.87%.The biomass charcoal repair materials that the brewer's grains that the present invention uses are produced; be conducive to the to dissolve waste of brewing industry promotes the recycle of resource, and can remove and be harmful to the pymetrozine pesticide residue; significant to environment protection, have good application value.
Above embodiment only is explanation technical conceive of the present invention and characteristics; its purpose is to allow the person skilled in the art understand content of the present invention and implemented; can not limit protection scope of the present invention with this; all equivalences that spirit is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (6)
1. one kind has the brewer's grains biomass charcoal of removing the effect of agricultural chemicals pymetrozine, it is characterized in that, it prepares by the following method:
It is dry that the brewer's grains that will wet are placed in vacuum drying oven, grinds, and then under the protection of nitrogen, the constant temperature charing is 3 to 5 hours under 300 ° C to 500 ° C condition, sieves, and obtains the brewer's grains biomass charcoal.
2. the preparation method with brewer's grains biomass charcoal of removing the effect of agricultural chemicals pymetrozine claimed in claim 1, is characterized in that, it comprises the steps:
It is dry that the brewer's grains that will wet are placed in vacuum drying oven, grinds, and then under the protection of nitrogen, the constant temperature charing is 3 to 5 hours under 300 ° C to 500 ° C condition, sieves, and obtains the brewer's grains biomass charcoal.
3. the preparation method with brewer's grains biomass charcoal of removing the effect of agricultural chemicals pymetrozine according to claim 2, is characterized in that, carbonization temperature is 400 ° of C, and carbonization time is 4 hours, and the particle diameter that sieves is 100 order to 200 orders.
4. the application of brewer's grains biomass charcoal in preparation removal agricultural chemicals pymetrozine preparation with the effect of removal agricultural chemicals pymetrozine claimed in claim 1.
5. the application of brewer's grains biomass charcoal in preparation removal agricultural chemicals pymetrozine preparation with the effect of removal agricultural chemicals pymetrozine according to claim 4, it is characterized in that, during processing, the consumption of brewer's grains biomass charcoal is 16 ~ 20g/L, during processing, the pH value of regulator solution is 2 to 4, during processing, temperature is 25 to 45 ° of C, and the treatment time is 1 to 5 hour.
6. the application of brewer's grains biomass charcoal in preparation removal agricultural chemicals pymetrozine preparation with the effect of removal agricultural chemicals pymetrozine according to claim 5, it is characterized in that, during processing, the consumption of brewer's grains biomass charcoal is 20g/L, during processing, the pH value of regulator solution is 3, during processing, temperature is 25 to 45 ° of C, and the treatment time is 4 hours.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104785207A (en) * | 2015-03-27 | 2015-07-22 | 四川农业大学 | High-adsorption performance biochar for heavy metal ions and preparation method for high-adsorption-performance biochar |
| CN106698392A (en) * | 2017-02-06 | 2017-05-24 | 云南省烟草公司玉溪市公司 | Charcoal for tobacco field soil improvement and preparation method of charcoal |
| CN107456950A (en) * | 2017-09-26 | 2017-12-12 | 四川农业大学 | A kind of preparation of brewex's grains charcoal and its application in lead waste water |
| CN107552001A (en) * | 2017-09-26 | 2018-01-09 | 四川农业大学 | A kind of preparation and application for being used for the new bio charcoal of hexavalent chromium removal in water body |
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| CN88102767A (en) * | 1988-05-07 | 1988-12-14 | 周念庵 | Utilize vinasse to make process of active carbon |
| CN102433315A (en) * | 2011-11-22 | 2012-05-02 | 青岛科技大学 | Method for preparing cellulose and active carbon from beer grains |
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| CN88102767A (en) * | 1988-05-07 | 1988-12-14 | 周念庵 | Utilize vinasse to make process of active carbon |
| CN102433315A (en) * | 2011-11-22 | 2012-05-02 | 青岛科技大学 | Method for preparing cellulose and active carbon from beer grains |
| CN102633253A (en) * | 2012-05-04 | 2012-08-15 | 威海华泰分子筛有限公司 | Method for preparing carbon molecular sieve |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104785207A (en) * | 2015-03-27 | 2015-07-22 | 四川农业大学 | High-adsorption performance biochar for heavy metal ions and preparation method for high-adsorption-performance biochar |
| CN104785207B (en) * | 2015-03-27 | 2017-05-10 | 四川农业大学 | High-adsorption performance biochar for heavy metal ions and preparation method for high-adsorption-performance biochar |
| CN106698392A (en) * | 2017-02-06 | 2017-05-24 | 云南省烟草公司玉溪市公司 | Charcoal for tobacco field soil improvement and preparation method of charcoal |
| CN106698392B (en) * | 2017-02-06 | 2019-06-21 | 云南省烟草公司玉溪市公司 | A kind of charcoal and preparation method thereof for vega soil improvement |
| CN107456950A (en) * | 2017-09-26 | 2017-12-12 | 四川农业大学 | A kind of preparation of brewex's grains charcoal and its application in lead waste water |
| CN107552001A (en) * | 2017-09-26 | 2018-01-09 | 四川农业大学 | A kind of preparation and application for being used for the new bio charcoal of hexavalent chromium removal in water body |
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