CN103990431A - Macadamia nut shell/Chinese torreya fruit shell bio-char and preparation method thereof - Google Patents
Macadamia nut shell/Chinese torreya fruit shell bio-char and preparation method thereof Download PDFInfo
- Publication number
- CN103990431A CN103990431A CN201410169195.2A CN201410169195A CN103990431A CN 103990431 A CN103990431 A CN 103990431A CN 201410169195 A CN201410169195 A CN 201410169195A CN 103990431 A CN103990431 A CN 103990431A
- Authority
- CN
- China
- Prior art keywords
- shell
- chinese torreya
- biological carbon
- bio
- char
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Cosmetics (AREA)
Abstract
The invention provides a macadamia nut shell/Chinese torreya fruit shell bio-char which is high-adsorptivity bio-char prepared from macadamia nut shells and Chinese torreya fruit shells through anaerobic pyrolysis. A preparation method for the bio-char comprises the following steps: crushing the macadamia nut shells and the Chinese torreya fruit shells, carrying out sieving, uniformly mixing the sieved macadamia nut 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 81.8%, 82.9%, 86.3% and 85.1%, 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
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 Hawaii shell/Chinese torreya shell biological carbon preparation method is as follows, comprises the following steps:
(1) the Hawaii shell of collection, Chinese torreya shell 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, and biomass material proportioning is screened, and described Hawaii shell, Chinese torreya shell mass ratio are 1～10:1, more preferably 2:1.
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 81.8%, 82.9%, 86.3% and 85.1% 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, Hawaii shell/Chinese torreya shell biological carbon, makes as follows:
1, biomass material pretreatment
The Hawaii shell of collection, Chinese torreya shell are pulverized and sieved to 80 mesh sieves.
2, preparation method
(1) the Hawaii 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 600 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 2h, 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 1.5102g, lead concentration, plumbous clearance 80.1%.
2, the removal to chromium
Biological carbon dosage 1.5111g, chromium concn, plumbous clearance 81.3%.
3, the removal to zinc
Biological carbon dosage 1.5101g, zinc concentration, the clearance 83.2% of zinc.
4, the removal to copper
Biological carbon dosage 1.5012g, copper concentration, the clearance 81.3% of copper.
embodiment 2
One, Hawaii shell/Chinese torreya shell biological carbon, makes as follows:
1, biomass material pretreatment: the Hawaii shell of collection, Chinese torreya shell are pulverized and sieved to 80 mesh sieves.
2, preparation method
(1) by the Hawaii shell after above-mentioned pulverizing, Chinese torreya shell in mass ratio 2:1 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 600 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 1.5026g, reaches 81.8% to clearance plumbous in water.
2, the removal to chromium
Biological carbon dosage 1.5019g, reaches 82.9% to the clearance of chromium in water.。
3, the removal to zinc
Biological carbon dosage 1.5007g, reaches 85.2% to the clearance of zinc in water.
4, the removal to copper
Biological carbon dosage 1.5231g, reaches 83.1% to the clearance of copper in water.
embodiment 3
One, Hawaii shell/Chinese torreya shell biological carbon, makes as follows:
1, biomass material pretreatment: the Hawaii shell of collection, Chinese torreya shell are pulverized and sieved to 80 mesh sieves.
2, preparation method
(1) the Hawaii shell after above-mentioned pulverizing, Chinese torreya shell are mixed in quality 5:1 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 600 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 1.5008g, reaches 79.9% to clearance plumbous in water.
2, the removal to chromium
Biological carbon dosage 1.5102g, reaches 81.1% to the clearance of chromium in water.
3, the removal to zinc
Biological carbon dosage 1.5014g, reaches 86.3% to the clearance of zinc in water.
4, the removal to copper
Biological carbon dosage 1.5009g, reaches 85.1% to the clearance of copper in water.
Claims (5)
1. Hawaii shell/Chinese torreya shell biological carbon preparation method is as follows, comprises 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 that Hawaii shell, Chinese torreya shell are raw material, and Hawaii 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%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410169195.2A CN103990431A (en) | 2014-04-25 | 2014-04-25 | Macadamia nut shell/Chinese torreya fruit shell bio-char and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410169195.2A CN103990431A (en) | 2014-04-25 | 2014-04-25 | Macadamia nut shell/Chinese torreya fruit shell bio-char and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103990431A true CN103990431A (en) | 2014-08-20 |
Family
ID=51304910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410169195.2A Pending CN103990431A (en) | 2014-04-25 | 2014-04-25 | Macadamia nut shell/Chinese torreya fruit shell bio-char and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103990431A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109046239A (en) * | 2018-08-08 | 2018-12-21 | 温州大学 | A method of handling hexavalent chromium polluted waste water |
| CN109796058A (en) * | 2019-01-03 | 2019-05-24 | 华中科技大学 | A method of Cr VI and organic pollutant combined pollution are administered using charcoal |
| CN114053999A (en) * | 2021-12-03 | 2022-02-18 | 东北农业大学 | Coffee residue biochar and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1818022A (en) * | 2006-01-26 | 2006-08-16 | 王有权 | Biological carbon and its production |
| CN103601182A (en) * | 2013-10-18 | 2014-02-26 | 安徽师范大学 | Preparation method of straw anaerobic fermentation residue active carbon for processing cadmium-containing waste water |
| 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 CN201410169195.2A patent/CN103990431A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1818022A (en) * | 2006-01-26 | 2006-08-16 | 王有权 | Biological carbon and its production |
| CN103601182A (en) * | 2013-10-18 | 2014-02-26 | 安徽师范大学 | Preparation method of straw anaerobic fermentation residue active carbon for processing cadmium-containing waste water |
| 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 (2)
| Title |
|---|
| 张扬等: "改性玉米芯生物碳对氨氮的吸附特性", 《化工学报》 * |
| 杨海平等: "碱金属盐对生物质三组分热解的影响", 《中国电机工程学报》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109046239A (en) * | 2018-08-08 | 2018-12-21 | 温州大学 | A method of handling hexavalent chromium polluted waste water |
| CN109796058A (en) * | 2019-01-03 | 2019-05-24 | 华中科技大学 | A method of Cr VI and organic pollutant combined pollution are administered using charcoal |
| CN109796058B (en) * | 2019-01-03 | 2020-06-02 | 华中科技大学 | Method for treating hexavalent chromium and organic pollutant combined pollution by adopting biochar |
| CN114053999A (en) * | 2021-12-03 | 2022-02-18 | 东北农业大学 | Coffee residue biochar and preparation method and application thereof |
| CN114053999B (en) * | 2021-12-03 | 2022-06-21 | 东北农业大学 | Coffee residue biochar and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Zhang et al. | Effects of pyrolysis temperature on biochar’s characteristics and speciation and environmental risks of heavy metals in sewage sludge biochars | |
| CN103990430B (en) | A kind of green shell/broomcorn straw biological carbon and preparation method thereof | |
| Nie et al. | Effect of biochar aging and co-existence of diethyl phthalate on the mono-sorption of cadmium and zinc to biochar-treated soils | |
| CN110586036A (en) | Preparation method of composite modified biochar | |
| Van Nguyen et al. | Valorization of agriculture waste biomass as biochar: As first-rate biosorbent for remediation of contaminated soil | |
| CN108144581B (en) | Alkali modified pig manure biochar and preparation method and application thereof | |
| CN104549154B (en) | The preparation method of the charcoal of cadmium in the safe adsorbed water body of energy | |
| CN104785207B (en) | High-adsorption performance biochar for heavy metal ions and preparation method for high-adsorption-performance biochar | |
| CN103990433A (en) | Macadamia nut shell/sorghum straw bio-char and preparation method thereof | |
| CN111085170A (en) | Biochar adsorbing material and application thereof | |
| CN110586046A (en) | Preparation method of organic modified biochar for treating heavy metal cadmium in wastewater | |
| CN109336082B (en) | Straw treatment method, biochar and preparation method and application thereof | |
| CN107670637A (en) | A kind of preparation method for efficiently removing heavy metal lead and cadmium flat mushroom bacteria residue biology carbon adsorbent | |
| CN103224262A (en) | Method of simultaneously removing heavy metals and organic pollutants in water by using biomass charcoal | |
| CN110302751A (en) | Composite biomass charcoal material and preparation method and application thereof | |
| CN103990431A (en) | Macadamia nut shell/Chinese torreya fruit shell bio-char and preparation method thereof | |
| CN107456950A (en) | A kind of preparation of brewex's grains charcoal and its application in lead waste water | |
| CN104445513A (en) | Treatment method of straws capable of adsorbing grease in dining kitchen wastewater | |
| CN103803735B (en) | Combined process for cutting down heavy metals in biogas slurry | |
| Gin et al. | Utilization of cassava peel waste as a raw material for activated carbon production: approach to environmental protection in Nigeria | |
| Hou et al. | Passivating effect of biochar and humic acid materials on heavy metals during composting of pig manure | |
| Yang et al. | Effect of temperature and duration of pyrolysis on spent tea leaves biochar: physiochemical properties and Cd (II) adsorption capacity | |
| CN111085196B (en) | Method for preparing composite photocatalyst containing metal elementary substance particles from carbon-containing solid waste | |
| CN104001473A (en) | Macadamia nut shell/pecan nut shell biocarbon and preparation method thereof | |
| CN112980471B (en) | Method for improving content of sodium bicarbonate extracted phosphorus in animal manure biochar |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140820 |