CN103990432A - Pecan shell/Chinese torreya fruit shell bio-char and preparation method thereof - Google Patents
Pecan shell/Chinese torreya fruit shell bio-char and preparation method thereof Download PDFInfo
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- CN103990432A CN103990432A CN201410169472.XA CN201410169472A CN103990432A CN 103990432 A CN103990432 A CN 103990432A CN 201410169472 A CN201410169472 A CN 201410169472A CN 103990432 A CN103990432 A CN 103990432A
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Abstract
The invention provides a pecan shell/Chinese torreya fruit shell bio-char which is high-adsorptivity bio-char prepared from pecan shells and Chinese torreya fruit shells through anaerobic pyrolysis. A preparation method for the bio-char comprises the following steps: crushing the pecan shells and the Chinese torreya fruit shells, carrying out sieving, uniformly mixing the sieved pecan shells and the sieved Chinese torreya fruit shells according to a certain mass ratio, adding a dilute hydrochloric acid solution for soaking for 24 h, then adding a cesium nitrate solution, carrying out uniform mixing, sealing and standing for 12 h and then carrying out natural air drying; and subjecting naturally air-dried biomass to high temperature anaerobic pyrolysis so as to prepare the bio-char. With the bio-char prepared in the invention, the contents of lead, chromium, zinc and copper in water can be effectively reduced, and maximum removal rates of lead, chromium, zinc and copper in water can reach 78.1%, 81.3%, 80.6% and 81.7%, respectively.
Description
Technical field
The present invention relates to agricultural organic waste recycling field and contaminated environment and administer field, relate in particular to a kind of to heavy metal ion high absorption property biological carbon and preparation method thereof.
Background technology
Charcoal is biological material pyrolysis under anoxic or limited oxygen condition, removes the gentle rear remaining solid matter of oil in living beings.Biological carbon has excellent absorption property, can directly adsorb the polluter in waste water; After using soil, soil physico-chemical property, minimizing nutrient loss, promotion plant growth, absorption fixing soil polluter can also be improved, and the effect of carbon base in soil increasing remittance reduction of discharging can be played.Therefore, charcoal has become one of study hotspot of environment in recent years and field of agricultural sciences.In the preparation of existing biological carbon, prepare biological carbon mainly with single raw material, the research of preparing biological carbon with mixed material is less, especially lacks purposive living beings to be optimized to the research that high absorption property biological carbon is prepared in combination.
Summary of the invention
/ Chinese torreya shell biological carbon and preparation method thereof, it is better that this biological carbon is processed heavy metal wastewater thereby effect.
Another object of the present invention is to provide the preparation method of above-mentioned high absorption property biological carbon.
Another object of the present invention is to provide the using method of above-mentioned high absorption property biological carbon.
Object technical scheme of the present invention is as follows:
A kind of green shell/Chinese torreya shell biological carbon and preparation method thereof is as follows, comprises the following steps:
(1) green shell, the Chinese torreya shell collected are pulverized and sieved;
(2) living beings after above-mentioned pulverizing are mixed by a certain percentage, add watery hydrochloric acid to stir and evenly mix, sealing and standing 24h, then add cesium nitrate solution to mix sealing and standing 12h, natural air drying.
(3) above-mentioned processing living beings are placed in to porcelain crucible compacting, cover lid carries out anaerobism pyrolysis; After pyrolytic reaction finishes, after being cooled to room temperature, takes out by crucible.
(4) by the biological carbon of above-mentioned preparation and certain density H
2o
2mix, in oscillator, shake 24h and take out, clean post-drying with distilled water, obtain high absorption property biological carbon.
For improving the absorption property of preparation biological carbon, described biomass material is mixing biomass, selects green shell, Chinese torreya shell.
For further improving the absorption property of preparation biological carbon, above-mentioned biomass material proportioning is screened, described green shell, Chinese torreya shell mass ratio are 1～10:1, more preferably 1:1.
Anaerobic environment and pyrolysis effect when guaranteeing pyrolysis, described biomass material powder particle diameter is 20～100 orders.
Described watery hydrochloric acid concentration is 0.5-2.5mol/L, and cesium nitrate solution concentration is 0.05-1.5mol/L.
400～700 DEG C of described biomass pyrolytic temperature, pyrolysis time 60-300min, programming rate is 5-15 DEG C/min.
Described H
2o
2concentration is 1～10%.
The present invention has following beneficial effect:
The present invention utilizes multiple abandoned biomass mixed pyrolysis preparation to have the biological carbon compared with high absorption property to heavy metal ion, can further promote the recycling of waste material, realizes the object of the treatment of wastes with processes of wastes against one another.Multiple living beings are mixed with to biological carbon, can guarantee the absorption property of the biological carbon of preparation, improve the clean-up effect of biological carbon.The biological carbon of preparation can reach 78.1%, 81.3%, 80.6% and 81.7% to the highest clearance of lead, chromium, zinc, copper in water.
Detailed description of the invention
Below by embodiment, the present invention is specifically described; be necessary to be pointed out that at this following examples are only used to further illustrate the present invention; can not be interpreted as limiting the scope of the invention, person skilled in art can make some nonessential improvement and adjustment to the present invention according to foregoing invention content.
embodiment 1
One, a kind of green shell/Chinese torreya shell biological carbon and preparation method thereof, makes as follows:
1, biomass material pretreatment
Green shell, the Chinese torreya shell collected are pulverized and sieved to 80 mesh sieves.
2, preparation method
(1) green shell after above-mentioned pulverizing, Chinese torreya shell are mixed in quality 1:1 ratio, add the hydrochloric acid solution of 1.5mol/L to stir, sealing and standing 24h, then add 0.1mol/L cesium nitrate solution 5ml to mix, sealing and standing 12h, natural air drying.
(2) biomass material of above-mentioned processing is placed in to porcelain crucible compacting, cover lid, pyrolysis 120min under 500 DEG C of conditions, pyrolysis programming rate is 10 DEG C/min.After pyrolytic reaction finishes, after being cooled to room temperature, takes out by crucible.
(3) H that is 1.0mol/L by the biological carbon of above-mentioned preparation and concentration
2o
2mix, in oscillator, take out with 400r/min speed concussion 24h, clean and dry with distilled water, obtain high absorption property biological carbon.
Two, by the above-mentioned biological carbon purified treatment heavy metal wastewater thereby making
Get 100mL self-control heavy metal wastewater thereby in 250ml beaker, the biological carbon of preparation with 200r/min concussion 3h, is taken out with the centrifugal 20min of 4000r/min under 20 DEG C of conditions, measure content of beary metal in water, can draw the clearance of biological carbon to heavy metal in waste water by calculating.
Three, experimental result
1, to plumbous removal
Biological carbon dosage 1.5029g, lead concentration, plumbous clearance 78.1%.
2, the removal to chromium
Biological carbon dosage 1.5016g, chromium concn, plumbous clearance 80.6%.
3, the removal to zinc
Biological carbon dosage 1.5021g, zinc concentration, the clearance 80.6% of zinc.
4, the removal to copper
Biological carbon dosage 1.5007g, copper concentration, the clearance 81.7% of copper.
embodiment 2
One, a kind of green shell/Chinese torreya shell biological carbon, makes as follows:
1, biomass material pretreatment: green shell, the Chinese torreya shell collected are pulverized and sieved to 80 mesh sieves.
2, preparation method
(1) by green shell after above-mentioned pulverizing, Chinese torreya shell in mass ratio 3:1 ratio mix, add the hydrochloric acid solution of 1.5mol/L to stir, sealing and standing 24h, then add 0.1mol/L cesium nitrate solution 5ml to mix, sealing and standing 12h, natural air drying.
(2) biomass material of above-mentioned processing is placed in to porcelain crucible compacting, cover lid, pyrolysis 120min under 500 DEG C of conditions, pyrolysis programming rate is 10 DEG C/min.After pyrolytic reaction finishes, after being cooled to room temperature, takes out by crucible.
(3) H that is 1.0mol/L by the biological carbon of above-mentioned preparation and concentration
2o
2mix, in oscillator, take out with 400r/min speed concussion 24h, clean and dry with distilled water, obtain high absorption property biological carbon.
Two, by the above-mentioned biological carbon purified treatment heavy metal wastewater thereby making
Get 100mL self-control heavy metal wastewater thereby in 250ml beaker, the biological carbon of preparation with 200r/min concussion 3h, is taken out with the centrifugal 20min of 4000r/min under 20 DEG C of conditions, measure content of beary metal in water, can draw the clearance of biological carbon to heavy metal in waste water by calculating.
Three, experimental result
1, to plumbous removal
Biological carbon dosage 1.5017g, reaches 76.1% to clearance plumbous in water.
2, the removal to chromium
Biological carbon dosage 1.5002g, reaches 81.3% to the clearance of chromium in water.。
3, the removal to zinc
Biological carbon dosage 1.5102g, reaches 77.7% to the clearance of zinc in water.
4, the removal to copper
Biological carbon dosage 1.5111g, reaches 79.1% to the clearance of copper in water.
embodiment 3
One, a kind of green shell/Chinese torreya shell biological carbon, makes as follows:
1, biomass material pretreatment: green shell, the Chinese torreya shell collected are pulverized and sieved to 80 mesh sieves.
2, preparation method
(1) green shell after above-mentioned pulverizing, Chinese torreya shell are mixed in quality 4:1 ratio, add the hydrochloric acid solution of 1.5mol/L to stir, sealing and standing 24h, then add 0.1mol/L cesium nitrate solution 5ml to mix, sealing and standing 12h, natural air drying.
(2) biomass material of above-mentioned processing is placed in to porcelain crucible compacting, cover lid, pyrolysis 120min under 500 DEG C of conditions, pyrolysis programming rate is 10 DEG C/min.After pyrolytic reaction finishes, after being cooled to room temperature, takes out by crucible.
(3) H that is 1.0mol/L by the biological carbon of above-mentioned preparation and concentration
2o
2mix, in oscillator, take out with 400r/min speed concussion 24h, clean and dry with distilled water, obtain high absorption property biological carbon.
Two, by the above-mentioned biological carbon purified treatment heavy metal wastewater thereby making
Get 100mL self-control heavy metal wastewater thereby in 250ml beaker, the biological carbon of preparation with 200r/min concussion 3h, is taken out with the centrifugal 20min of 4000r/min under 20 DEG C of conditions, measure content of beary metal in water, can draw the clearance of biological carbon to heavy metal in waste water by calculating.
Three, experimental result
1, to plumbous removal
Biological carbon dosage 1.5003g, reaches 74.9% to clearance plumbous in water.
2, the removal to chromium
Biological carbon dosage 1.5012g, reaches 76.4% to the clearance of chromium in water.
3, the removal to zinc
Biological carbon dosage 1.5109g, reaches 79.6% to the clearance of zinc in water.
4, the removal to copper
Biological carbon dosage 1.5023g, reaches 79.7% to the clearance of copper in water.
Claims (5)
- One kind as follows to heavy metal ion high absorption property biological carbon preparation method, comprise the following steps:(1), by the living beings natural air drying of collecting, after the abiotic matter such as removal silt, pulverize and sieve;(2) living beings after above-mentioned pulverizing are mixed by a certain percentage, add watery hydrochloric acid to stir and evenly mix, sealing and standing 24h, then add cesium nitrate solution to mix sealing and standing 12h, natural air drying;(3) above-mentioned processing living beings are placed in to porcelain crucible compacting, cover lid carries out anaerobism pyrolysis; After pyrolytic reaction finishes, after being cooled to room temperature, takes out by crucible;(4) by the biological carbon of above-mentioned preparation and certain density H 2o 2mix, in oscillator, shake 24h and take out, clean post-drying with distilled water, obtain high absorption property biological carbon.
- 2. the method for claim 1, is characterized in that: described living beings are green shell, Chinese torreya shell, and green shell, Chinese torreya shell mixing quality ratio are 1～10:1.
- 3. the method for claim 1, it is characterized in that: selected living beings need first be pulverized 20-100 mesh sieve, press again certain mass than mixing, add watery hydrochloric acid (0.5-2.5mol/L) to soak 24h, add again cesium nitrate solution (0.05-1.5mol/L) to mix, sealing and standing 12h, natural air drying.
- 4. the method for claim 1, is characterized in that: 400～700 DEG C of biomass pyrolytic temperature, and pyrolysis time 60-300min, programming rate is 5-15 DEG C/min.
- 5. the method for claim 1, is characterized in that: H 2o 2concentration is 1～10%.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102329443B1 (en) * | 2020-12-28 | 2021-11-22 | 주식회사 코스메카코리아 | Cosmetic composition comprising biochar having oil, and Manufacturing method of cosmetic biochar |
Citations (4)
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| CN102602913A (en) * | 2012-03-23 | 2012-07-25 | 上海大学 | Preparation method of biochar |
| US20130004408A1 (en) * | 2011-06-30 | 2013-01-03 | Rubal Dua | Moderate Temperature Synthesis of Mesoporous Carbon |
| CN103213981A (en) * | 2013-04-24 | 2013-07-24 | 安徽工程大学 | Taro petiole based active carbon and preparation method thereof |
| CN103611497A (en) * | 2013-12-10 | 2014-03-05 | 四川农业大学 | Method for preparing biological carbon with high nitrogen-phosphorus adsorption properties |
-
2014
- 2014-04-25 CN CN201410169472.XA patent/CN103990432A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130004408A1 (en) * | 2011-06-30 | 2013-01-03 | Rubal Dua | Moderate Temperature Synthesis of Mesoporous Carbon |
| CN102602913A (en) * | 2012-03-23 | 2012-07-25 | 上海大学 | Preparation method of biochar |
| CN103213981A (en) * | 2013-04-24 | 2013-07-24 | 安徽工程大学 | Taro petiole based active carbon and preparation method thereof |
| CN103611497A (en) * | 2013-12-10 | 2014-03-05 | 四川农业大学 | Method for preparing biological carbon with high nitrogen-phosphorus adsorption properties |
Non-Patent Citations (3)
| Title |
|---|
| 丁福臣等: "《制氢储氢技术》", 31 January 2006, 化学工业出版社 * |
| 张立珠主编: "《水处理剂 配方·制备·应用》", 31 January 2011, 化学工业出版社 * |
| 沈曾民等编著: "《活性炭材料的制备与应用》", 31 July 2006 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102329443B1 (en) * | 2020-12-28 | 2021-11-22 | 주식회사 코스메카코리아 | Cosmetic composition comprising biochar having oil, and Manufacturing method of cosmetic biochar |
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Application publication date: 20140820 |
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