CN106902738A - A kind of wooden sub- shell base ecological restoration material and its application - Google Patents
A kind of wooden sub- shell base ecological restoration material and its application Download PDFInfo
- Publication number
- CN106902738A CN106902738A CN201710144181.9A CN201710144181A CN106902738A CN 106902738 A CN106902738 A CN 106902738A CN 201710144181 A CN201710144181 A CN 201710144181A CN 106902738 A CN106902738 A CN 106902738A
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- CN
- China
- Prior art keywords
- ecological restoration
- restoration material
- wooden sub
- shell base
- shell
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/02—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of cellulose-containing material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
Abstract
The invention discloses the wooden sub- shell base ecological restoration material of one kind and its application, with wooden sub- shell as presoma, charcoal is made under anoxic hot conditions.The wooden sub- shell charcoal of preparation has abundant inorganic mineral components and internal pore structure, with good adsorption capacity, can go in water removal or other method is difficult to the heavy metal for removing in soil.
Description
Technical field
The present invention relates to a kind of ecological restoration material and its preparation for removing or being passivated water body and Mobility of Heavy Metals In Soil Environment
Method, belongs to environment remediation field.
Background technology
At present, the method repaired as ecological restoration material and for environmental pollution by the use of wooden sub- shell charcoal and application are still
Have no report.Charcoal is the rich carbon product that biomass are heated gained under anoxic conditions.Moisture absorption is used it for both at home and abroad
Agent, eliminating smell agent, soil conditioner (Lehmann J, Rillig M, Thies J, et a1, Bioehar effects on soil
biota-a review[J].Soil Biology and Biochemistry,2011,43(9):1812-1836.).In recent years
Come, due to increasingly sharpening for heavy metal pollution, charcoal is used as low cost, the research of high efficiency adsorbent and increasingly attracts attention
(XU Xiao-yun,CAO Xin-de,ZHAO Ling,et al,Removal of Cu,Zn,and Cd from aqueous
solutions by the dairy manure-derived biochar[J].Environmental Science and
Pollution Research,2013,20(1):358-368.).Charcoal is generally discarded with charcoal, stalk, animal wastes etc.
Thing makees raw material, and exploitation charcoal is significant to the popularization of biomass energy, the resource of abandoned biomass and (wears quiet
Deng, charcoals that the pyrolysis of four kinds of raw materials is produced to characterization of adsorption research [J] the Peking University journal of Pb2+ and Cd2+, 2013,49
(6):1075-1082.).The absorption property of charcoal is constituted with its element and chemical property is closely related, and biomass material,
The property of the factors affect charcoal such as pyrolytical condition, causes adsorption effect significant difference.
Wooden subtree is typical xylophyta, the accessory substance that wooden sub- shell is processed as tea oil, is distributed mainly on south China
Each province, containing a large amount of lignin and with unique physical arrangement.
The content of the invention
It is an object of the invention to provide the wooden sub- shell base ecological restoration material and its application and preparation of a kind of strong absorption property.
Its removal or passivation for being used for water body and Mobility of Heavy Metals In Soil Environment as ecological restoration material, is with a wide range of applications.
The present invention is made charcoal with wooden sub- shell as presoma under anoxic hot conditions.The wooden sub- shell charcoal of preparation
With abundant inorganic mineral components and internal pore structure, with good adsorption capacity, can go in water removal or in soil
Other method is difficult to the heavy metal for removing.
Realizing the technical solution of the object of the invention is：A kind of wooden sub- shell base ecological restoration material, by following steps system
It is standby：
The first step, will be filled in stainless steel tank body (being not required to sealing), in 80 ± 5 lower DEG C of drying after wooden sub- shell cleaning；
Second step, is put into tank body atmosphere furnace and is passed through nitrogen to drive oxygen, then in charing under anoxia condition；
3rd step, is cooled to room temperature after charing, suction filtration, drying, grinding under products therefrom vacuum are sieved, described in acquisition
The sub- shell base ecological restoration material of wood.
Further, in second step, carbonization temperature is 300-700 DEG C under anoxia condition, and carbonization time is 1-4h, is passed through nitrogen
More than gas 10min is driveing oxygen.
Further, in the 3rd step, products therefrom is cleaned with deionized water during suction filtration, ground 0.075-
0.250mm is sieved.
The heavy metal ion that wooden sub- shell base ecological restoration material prepared by above-mentioned steps is used in absorption effluent.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) raw material is relatively inexpensive is easy to get, and realizes the recycling to abandoned biomass；
(2) ecological restoration material has abundant inorganic mineral components, internal pore structure and strong absorption property；
(3) it is that the selection of biological carbon feedstock and the improvement of Heavy Metals In Environment provide scientific basis.
Brief description of the drawings
Fig. 1 is the raw material shell picture of wood that ecological restoration material prepared by the present invention is used.
Fig. 2 is that (a is for the field emission scanning electron microscope picture of the wooden sub- shell base ecological restoration material prepared by present example 3
Low power number, b is high magnification numbe).
Fig. 3 is that the XRD spectra (a) of the wooden sub- shell base ecological restoration material prepared by present example 3 is infrared with Fourier
Spectrogram (b).
Specific embodiment
Embodiment 1：
The first step：Wooden sub- shell, its photo such as Fig. 1 are dried in 80 DEG C of baking ovens；
Second step, is put into lunch box (be not required to sealing) atmosphere furnace and is passed through nitrogen 10min and drive oxygen, then lacks in 700 DEG C
1h is carbonized under the conditions of oxygen；
3rd step, room temperature is cooled to by the reaction system of second step, and products therefrom is cleaned with deionized water suction filtration；
4th step, ground 0.075mm sieves, obtain wooden sub- shell base ecological restoration material after the 3rd step system is dried；
5th step, the heavy metal ion application method that the wooden sub- shell base ecological restoration material that will be prepared is used in absorption effluent
Comprise the following steps：The ecological restoration material of preparation is added in the waste water container equipped with heavy metal, the matter of material and waste water
Amount volume ratio is 1:3000, container is placed in 6h is shaken in constant temperature oscillator, you can adsorbing heavy metal in water, adsorption rate is reachable
80%；The application method of the heavy metal that the wooden sub- shell base ecological restoration material for preparing is used to be passivated in soil includes following step
Suddenly：The ecological restoration material of preparation is added to containing in heavy metal soil, material is 1 with the mass ratio of contaminated soil:300；
The mixing that adds water is allowed into muddy, and after absorption 72h, you can reduce the biological effectiveness content of beary metal in soil, the range of decrease is reachable
50%.
Embodiment 2：
The first step：Wooden sub- shell is dried in 80 DEG C of baking ovens；
Second step, is put into lunch box atmosphere furnace and is passed through nitrogen 10min and drive oxygen, then in charcoal under 600 DEG C of anoxia conditions
Change 2h；
3rd step, room temperature is cooled to by the reaction system of second step, and products therefrom is cleaned with deionized water suction filtration；
4th step, ground 0.150mm sieves, obtain wooden sub- shell base ecological restoration material after the 3rd step system is dried；
5th step, the heavy metal ion application method that the wooden sub- shell base ecological restoration material that will be prepared is used in absorption effluent
Comprise the following steps：The ecological restoration material of preparation is added in the waste water container equipped with heavy metal, the matter of material and waste water
Amount volume ratio is 1:1000, container is placed in 12h is shaken in constant temperature oscillator, you can adsorbing heavy metal in water, adsorption rate is reachable
95%；The application method of the heavy metal that the wooden sub- shell base ecological restoration material for preparing is used to be passivated in soil includes following step
Suddenly：The ecological restoration material of preparation is added to containing in heavy metal soil, material is 1 with the mass ratio of contaminated soil:100；
The mixing that adds water is allowed into muddy, and after absorption 96h, you can reduce the biological effectiveness content of beary metal in soil, the range of decrease is reachable
70%.
Embodiment 3：
The first step：Wooden sub- shell is dried in 80 DEG C of baking ovens；
Second step, is put into lunch box atmosphere furnace and is passed through nitrogen 10min and drive oxygen, then in charcoal under 650 DEG C of anoxia conditions
Change 2h；
3rd step, room temperature is cooled to by the reaction system of second step, and products therefrom is cleaned with deionized water suction filtration；
4th step, ground 0.250mm sieves, obtain wooden sub- shell base ecological restoration material after the 3rd step system is dried；
5th step, ecological restoration material such as Fig. 2 of preparation, the wooden sub- shell of Pintsch process has loose structure, pore structure
Fine and close rule, surface distributed ash particles, these skin granulate materials can directly with water, soil contact action.Its XRD spectra
Such as Fig. 3 (a), the mineral composition of wooden sub- shell charcoal is enriched, and these mineral constituents can significantly improve the absorption property of charcoal；
Its FTIR spectrum such as Fig. 3 (b), material is 1544,1407,993,833,705cm-1 etc. have obvious absworption peak,
This shows that the functional groups such as phenyl ring, C=O are contained on wooden sub- shell base ecological restoration material surface.The wooden sub- shell base environment remediation that will be prepared
The heavy metal ion application method that material is used in absorption effluent is comprised the following steps：The ecological restoration material of preparation is added to
In waste water container equipped with heavy metal, material is 1 with the mass volume ratio of waste water:2000, container is placed in constant temperature oscillator
Concussion 4h, you can adsorbing heavy metal in water, adsorption rate is up to 90%；The wooden sub- shell base ecological restoration material for preparing is used to be passivated
The application method of the heavy metal in soil is comprised the following steps：The ecological restoration material of preparation is added to and contains heavy metal soil
In, material is 1 with the mass ratio of contaminated soil:200；The mixing that adds water is allowed into muddy, after absorption 72h, you can reduce soil
In biological effectiveness content of beary metal, the range of decrease is up to 70%.
Embodiment 4：
The first step：Wooden sub- shell is dried in 80 DEG C of baking ovens；
Second step, is put into lunch box atmosphere furnace and is passed through nitrogen 10min and drive oxygen, then in charcoal under 500 DEG C of anoxia conditions
Change 3h；
3rd step, room temperature is cooled to by the reaction system of second step, and products therefrom is cleaned with deionized water suction filtration；
4th step, ground 0.150mm sieves, obtain wooden sub- shell base ecological restoration material after the 3rd step system is dried；
5th step, the heavy metal ion application method that the wooden sub- shell base ecological restoration material that will be prepared is used in absorption effluent
Comprise the following steps：The ecological restoration material of preparation is added in the waste water container equipped with heavy metal, the matter of material and waste water
Amount volume ratio is 1:2500, container is placed in 8h is shaken in constant temperature oscillator, you can adsorbing heavy metal in water, adsorption rate is reachable
65%；The application method of the heavy metal that the wooden sub- shell base ecological restoration material for preparing is used to be passivated in soil includes following step
Suddenly：The ecological restoration material of preparation is added to containing in heavy metal soil, material is 1 with the mass ratio of contaminated soil:250；
The mixing that adds water is allowed into muddy, and after absorption 72h, you can reduce the biological effectiveness content of beary metal in soil, the range of decrease is reachable
48%.
Claims (5)
1. a kind of wooden sub- shell base ecological restoration material, it is characterised in that prepared by following steps：
The first step, will be filled in stainless steel tank body, in 80 ± 5 lower DEG C of drying after wooden sub- shell cleaning；
Second step, is put into tank body atmosphere furnace and is passed through nitrogen to drive oxygen, then in charing under anoxia condition；
3rd step, is cooled to room temperature after charing, by suction filtration, drying, grinding sieving under products therefrom vacuum, obtain described wood
Shell base ecological restoration material.
2. repair materials as claimed in claim 1, it is characterised in that in second step, carbonization temperature is 300- under anoxia condition
700 DEG C, carbonization time is 1-4h, is passed through more than nitrogen 10min to drive oxygen.
3. repair materials as claimed in claim 1, it is characterised in that in the 3rd step, with deionized water to institute during suction filtration
Obtain product to be cleaned, ground 0.075-0.250mm sieves.
4. the preparation method of the wooden sub- shell base ecological restoration material as described in claim 1-3 is any.
5. heavy metal ion of the wooden sub- shell base ecological restoration material as described in claim 1-3 is any in absorption effluent should
With.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710144181.9A CN106902738A (en) | 2017-03-10 | 2017-03-10 | A kind of wooden sub- shell base ecological restoration material and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710144181.9A CN106902738A (en) | 2017-03-10 | 2017-03-10 | A kind of wooden sub- shell base ecological restoration material and its application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106902738A true CN106902738A (en) | 2017-06-30 |
Family
ID=59187465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710144181.9A Pending CN106902738A (en) | 2017-03-10 | 2017-03-10 | A kind of wooden sub- shell base ecological restoration material and its application |
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| CN (1) | CN106902738A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6033573A (en) * | 1997-05-29 | 2000-03-07 | The United States Of America As Represented By The Secretary Of Agriculture | Activated nutshell carbons from agricultural waste |
| CN104549154A (en) * | 2015-01-23 | 2015-04-29 | 浙江大学 | Preparation method of biological activated carbon capable of safely adsorbing cadmium in water |
| CN105498691A (en) * | 2016-01-21 | 2016-04-20 | 湖南大学 | Method for preparing ramie biochar for treating hexavalent chromium wastewater |
-
2017
- 2017-03-10 CN CN201710144181.9A patent/CN106902738A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6033573A (en) * | 1997-05-29 | 2000-03-07 | The United States Of America As Represented By The Secretary Of Agriculture | Activated nutshell carbons from agricultural waste |
| CN104549154A (en) * | 2015-01-23 | 2015-04-29 | 浙江大学 | Preparation method of biological activated carbon capable of safely adsorbing cadmium in water |
| CN105498691A (en) * | 2016-01-21 | 2016-04-20 | 湖南大学 | Method for preparing ramie biochar for treating hexavalent chromium wastewater |
Non-Patent Citations (1)
| Title |
|---|
| 吴开金等: "油茶壳活性炭的制备工艺研究", 《福建林业科技》 * |
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Application publication date: 20170630 |
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