CN106493384A - A kind of high-purity Zero-valent Iron biological carbon preparation method - Google Patents
A kind of high-purity Zero-valent Iron biological carbon preparation method Download PDFInfo
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- CN106493384A CN106493384A CN201610906553.2A CN201610906553A CN106493384A CN 106493384 A CN106493384 A CN 106493384A CN 201610906553 A CN201610906553 A CN 201610906553A CN 106493384 A CN106493384 A CN 106493384A
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 36
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 66
- 238000010438 heat treatment Methods 0.000 claims abstract description 33
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 33
- 244000060011 Cocos nucifera Species 0.000 claims abstract description 31
- 235000013162 Cocos nucifera Nutrition 0.000 claims abstract description 31
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000010903 husk Substances 0.000 claims abstract description 25
- 238000003756 stirring Methods 0.000 claims abstract description 18
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 claims abstract description 17
- 239000000203 mixture Substances 0.000 claims abstract description 17
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 239000000243 solution Substances 0.000 claims abstract description 10
- 229960004756 ethanol Drugs 0.000 claims abstract description 9
- 229960000935 dehydrated alcohol Drugs 0.000 claims abstract description 8
- 229910052734 helium Inorganic materials 0.000 claims abstract description 8
- 239000001307 helium Substances 0.000 claims abstract description 8
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000011259 mixed solution Substances 0.000 claims abstract description 7
- 235000011837 pasties Nutrition 0.000 claims abstract description 7
- 239000006228 supernatant Substances 0.000 claims abstract description 7
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims abstract description 6
- 229910000358 iron sulfate Inorganic materials 0.000 claims abstract description 5
- 239000000843 powder Substances 0.000 claims description 26
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 claims description 7
- 229910001447 ferric ion Inorganic materials 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 239000000047 product Substances 0.000 description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 18
- 239000000377 silicon dioxide Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 6
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 3
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 3
- 238000006722 reduction reaction Methods 0.000 description 3
- 229910052796 boron Inorganic materials 0.000 description 2
- -1 boron hydrogen salt Chemical class 0.000 description 2
- 229910001567 cementite Inorganic materials 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 229910006297 γ-Fe2O3 Inorganic materials 0.000 description 2
- 229910002554 Fe(NO3)3·9H2O Inorganic materials 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
- C01G49/06—Ferric oxide [Fe2O3]
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/133—Renewable energy sources, e.g. sunlight
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medicines Containing Plant Substances (AREA)
- Cosmetics (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
Abstract
A kind of high-purity Zero-valent Iron biological carbon preparation method of the present invention.Preparation process：(1) 100～200 mesh sieve are crossed after cocoanut husk, Cocos nucifera L. petiole, palm petiole being exposed to the sun, dried, being crushed；(2) iron chloride, ferric nitrate or 20～40g of iron sulfate are taken to be dissolved in dehydrated alcohol, is added, after 20～30h of stirring, stand 20～40 days；(3) step (2) mixed solution supernatant liquid is poured out, after revolving reclaims most of ethanol, solution refunds 3～10h of stirring, after standing 2～3 days, dries to viscous pasty state under conditions of 100 DEG C；(4) mixture of viscous form in step (3) is added in tube furnace; 200 DEG C are heated to the heating rate of 3～5 DEG C/min under conditions of nitrogen or helium protection after 5～15min of evacuation, 5～15min of logical nitrogen or helium; 800 DEG C are heated to afterwards with the heating rate of 10～15 DEG C/min; room temperature is cooled to after keeping 3～4h, high-purity Zero-valent Iron biological carbon is obtained.Effect：Method is simply effective, economical and practical, environmental protection.
Description
Technical field
The invention belongs to chemical field, and in particular to a kind of high-purity Zero-valent Iron biological carbon preparation method.
Background technology
Zero-valent Iron biological carbon generally with liquid-phase chemistry deposition technique prepare, i.e., by iron salt (ferric chloride or ferrous sulfate) with
Biological carbon surface loaded to and the Zero-valent Iron that reduction reaction generates in boron hydrogen salt (sodium borohydride or potassium borohydride) there is, but this side
There is limitations and shortcoming in method, such as preparation cost is high, and using for boron hydrogen salt may generation environment pollution problem.
Content of the invention
It is an object of the invention to provide a kind of high-purity Zero-valent Iron biological carbon preparation method.
The present invention for the solution technical scheme that adopts of its technical problem is：
A kind of high-purity Zero-valent Iron biological carbon preparation method, it is characterised in that step is as follows：
(1) 100～200 mesh sieve are crossed after first cocoanut husk, Cocos nucifera L. petiole, palm petiole being exposed to the sun, dried, being crushed
Make powder；
(2) iron chloride, ferric nitrate or 20～40g of iron sulfate are taken to be dissolved in dehydrated alcohol, is added
～18g, stands 20～40 days after 20～30h of stirring；
(3) step (2) mixed solution supernatant liquid is poured out, after revolving reclaims most of ethanol, solution refunds 3～10h of stirring,
After standing 2～3 days, dry to viscous pasty state under conditions of 100 DEG C；
(4) mixture of viscous form in step (3) is added in tube furnace, 5～15min of evacuation, logical nitrogen or helium 5～
200 DEG C are heated to the heating rate of 3～5 DEG C/min under conditions of nitrogen or helium protection after 15min, afterwards with 10～15
DEG C/heating rate of min is heated to 800 DEG C, room temperature is cooled to after keeping 3～4h, high-purity Zero-valent Iron biological carbon is obtained.
Further, described a kind of high-purity Zero-valent Iron biological carbon preparation method, it is characterised in that：
(1) cross 200 mesh sieve to make after first cocoanut husk, Cocos nucifera L. petiole, palm petiole being exposed to the sun, dried, being crushed
Powder；
(2) iron chloride, ferric nitrate or iron sulfate 30g are taken to be dissolved in dehydrated alcohol, is added in step (1) and is obtained powder 12g, stir
30 days are stood after mixing 24h；
(3) step (2) mixed solution supernatant liquid is poured out, after revolving reclaims most of ethanol, solution refunds stirring 5h, stands
After 2 days, dry to viscous pasty state under conditions of 100 DEG C；
(4) mixture of viscous form in step (3) is added in tube furnace, in nitrogen after evacuation 10min, logical nitrogen 10min
200 DEG C are heated to the heating rate of 5 DEG C/min under conditions of protection, 800 are heated to the heating rate of 10 DEG C/min afterwards
DEG C, room temperature is cooled to after keeping 3h, high-purity Zero-valent Iron biological carbon is obtained.
Further, described high-purity Zero-valent Iron biological carbon preparation method, it is characterised in that：Preparing biological carbon process
Middle sharp reduction with carbon ferric ion.
The invention has the beneficial effects as follows：The method of present invention report different from the past, specifically in the mistake for preparing biological carbon
In journey, sharp one step of reduction with carbon ferric iron prepares highly purified Zero-valent Iron biological carbon, and preparation method is simple and practical, be a kind of economy,
Environmental protection, the new method being more value in use.
Description of the drawings
Fig. 1 is the XRD schematic diagrams that embodiment 1 prepares product；
Fig. 2 is the XRD schematic diagrams that embodiment 2 prepares product；
Fig. 3 is the XRD schematic diagrams that embodiment 3 prepares product；
Fig. 4 is the XRD schematic diagrams that embodiment 4 prepares product；
Fig. 5 is the XRD schematic diagrams that embodiment 5 prepares product；
Fig. 6 is the XRD schematic diagrams that embodiment 6 prepares product；
Fig. 7 is the XRD schematic diagrams that embodiment 7 prepares product.
In figure：● Fe is represented, * represents γ-Fe2O3, represents Fe3O4, ◆ represent Fe3C.
Specific embodiment
A kind of high-purity Zero-valent Iron biological carbon preparation method:
Cocoanut husk is exposed to the sun, dried by this experiment case study first, crush after cross 200 mesh sieve, take iron chloride（FeCl3·6H2O）
30g is dissolved in dehydrated alcohol, is added 200 mesh cocoanut husk powder 12g, is stood 30 days after stirring 24h.By cocoanut husk powder chlorination
Ferrum alcohol mixed solution supernatant liquid is poured out, and after revolving reclaims big portion's ethanol, solution refunds stirring 5h, at 100 DEG C after standing 2 days
Under conditions of dry to viscous pasty state.The early stage of experiment case study 1-6,8,9 is processed in this way.
Cracking adopts Hefei Ke Jing Materials Technology Ltd. tube furnace, model OTF-1200X-100.Operating process is：
Main power source is opened, switch is opened, heating schedule is set, the cocoanut husk powder iron chloride viscous mixture that handles well is added to stone
English crucible is put in tube furnace boiler tube, installs plug mouth, and evacuation is cracked after leading to nitrogen under conditions of nitrogen protection, nitrogen
Flow velocity is 150mL/min, and after tube furnace is cooled to room temperature, product takes out loading hermetic bag.
Embodiment 1：
Cocoanut husk powder iron chloride viscous mixture is added to silica crucible to be put in tube furnace boiler tube, evacuation 10min, logical
200 DEG C are heated to the heating rate of 5 DEG C/min under conditions of nitrogen protection after nitrogen 10min, afterwards with 10 DEG C/min's
Heating rate is heated to 700 DEG C, is cooled to room temperature after keeping 1h.
The product obtained by the present embodiment is γ-Fe2O3Biological carbon.
Embodiment 2：
Cocoanut husk powder iron chloride viscous mixture is added to silica crucible to be put in tube furnace boiler tube, evacuation 10min, logical
200 DEG C are heated to the heating rate of 5 DEG C/min under conditions of nitrogen protection after nitrogen 10min, afterwards with 10 DEG C/min's
Heating rate is heated to 700 DEG C, is cooled to room temperature after keeping 3h.
The product obtained by the present embodiment is Fe-FeO-Fe3O4Biological carbon, Fe3+Fe, FeO are mainly reduced into.
Embodiment 3：
Cocoanut husk powder iron chloride viscous mixture is added to silica crucible to be put in tube furnace boiler tube, evacuation 10min, logical
200 DEG C are heated to the heating rate of 5 DEG C/min under conditions of nitrogen protection after nitrogen 10min, afterwards with 10 DEG C/min's
Heating rate is heated to 800 DEG C, is cooled to room temperature after keeping 1h.
The product obtained by the present embodiment is Fe-Fe3O4Biological carbon, Fe3+Fe is mainly reduced into.
Embodiment 4：
Cocoanut husk powder iron chloride viscous mixture is added to silica crucible to be put in tube furnace boiler tube, evacuation 10min, logical
200 DEG C are heated to the heating rate of 5 DEG C/min under conditions of nitrogen protection after nitrogen 10min, afterwards with 10 DEG C/min's
Heating rate is heated to 800 DEG C, is cooled to room temperature after keeping 90min.
The product obtained by the present embodiment is Fe-Fe3O4Biological carbon, Fe3+Fe is mainly reduced into.
Embodiment 5：
Cocoanut husk powder iron chloride viscous mixture is added to silica crucible to be put in tube furnace boiler tube, evacuation 10min, logical
200 DEG C are heated to the heating rate of 5 DEG C/min under conditions of nitrogen protection after nitrogen 10min, afterwards with 10 DEG C/min's
Heating rate is heated to 800 DEG C, is cooled to room temperature after keeping 2h.
The product obtained by the present embodiment is Fe-Fe3O4Biological carbon, Fe3+Fe is mainly reduced into.
Embodiment 6：
Cocoanut husk powder iron chloride viscous mixture is added to silica crucible to be put in tube furnace boiler tube, evacuation 10min, logical
200 DEG C are heated to the heating rate of 5 DEG C/min under conditions of nitrogen protection after nitrogen 10min, afterwards with 10 DEG C/min's
Heating rate is heated to 800 DEG C, is cooled to room temperature after keeping 3h.
The product obtained by the present embodiment is high-purity Fe biological carbon.
Embodiment 7：
Cocoanut husk is exposed to the sun, is dried, crush after cross 200 mesh sieve, take FeCl3·6H2O 30g are dissolved in dehydrated alcohol,
200 mesh cocoanut husk powder 12g are added, after stirring 24h, 30 days is stood.By cocoanut husk powder iron chloride alcohol mixed solution upper liquid
Body is poured out, and after revolving reclaims big portion's ethanol, solution refunds stirring 5h, dries complete to moisture after standing 2 days under conditions of 100 DEG C
Full volatilization.Cocoanut husk powder iron chloride mixture is added to silica crucible to be put in tube furnace boiler tube, evacuation 10min, logical
200 DEG C are heated to the heating rate of 5 DEG C/min under conditions of nitrogen protection after nitrogen 10min, afterwards with 10 DEG C/min's
Heating rate is heated to 800 DEG C, is cooled to room temperature after keeping 3h.
The product obtained by the present embodiment is Fe3C biological carbons.
Embodiment 8：
Cocoanut husk powder iron chloride viscous mixture is added to silica crucible to be put in tube furnace boiler tube, evacuation 10min, logical
200 DEG C are heated to the heating rate of 5 DEG C/min under conditions of nitrogen protection after nitrogen 10min, afterwards with 15 DEG C/min's
Heating rate is heated to 800 DEG C, is cooled to room temperature after keeping 4h.
The product obtained by the present embodiment is high-purity Fe biological carbon.
Embodiment 9：
Cocoanut husk powder iron chloride viscous mixture is added to silica crucible to be put in tube furnace boiler tube, evacuation 10min, logical
200 DEG C are heated to the heating rate of 3 DEG C/min under conditions of helium protection after helium 10min, afterwards with 10 DEG C/min's
Heating rate is heated to 800 DEG C, is cooled to room temperature after keeping 4h.
The product obtained by the present embodiment is high-purity Fe biological carbon.
Embodiment 10：
100 mesh sieve are crossed after Cocos nucifera L. petiole is exposed to the sun, is dried, being crushed and makes powder, take Fe (NO3)3·9H2O 20g are dissolved in nothing
In water-ethanol, cocoanut husk powder 8g is added, 20 days is stood after stirring 20h, by cocoanut husk powder ferric nitrate alcohol mixeding liquid upper strata
Liquid is poured out, and after revolving reclaims most of ethanol, solution refunds stirring 3h, after standing 2 days, is dried to viscous under conditions of 100 DEG C
Thick state, mixture of viscous form is added in tube furnace, after evacuation 5min, logical nitrogen 5min under conditions of nitrogen protection
200 DEG C are heated to the heating rate of 5 DEG C/min, 800 DEG C are heated to the heating rate of 10 DEG C/min afterwards, cold after holding 3h
But room temperature is arrived.
The product obtained by the present embodiment is high-purity Fe biological carbon.
Embodiment 11：
150 mesh sieve are crossed after palm petiole is exposed to the sun, is dried, being crushed and makes powder, takeFe 2 (SO 4 ) 3 ·5H 2 O 40g are dissolved in
In dehydrated alcohol, cocoanut husk powder 18g stands 40 days after stirring 30h, cocoanut husk powderFe 2 (SO 4 ) 3 ·5H 2 O alcohol mixeding liquids
Supernatant liquid is poured out, and after revolving reclaims most of ethanol, solution refunds stirring 10h, after standing 3 days, dries under conditions of 100 DEG C
Do to viscous pasty state, mixture of viscous form is added in tube furnace, protect in nitrogen after evacuation 15min, logical nitrogen 15min
Under conditions of be heated to 200 DEG C with the heating rate of 5 DEG C/min, be heated to 800 DEG C with the heating rate of 10 DEG C/min afterwards, protect
Room temperature is cooled to after holding 3h.
The product obtained by the present embodiment is high-purity Fe biological carbon.
Claims (3)
1. a kind of high-purity Zero-valent Iron biological carbon preparation method, it is characterised in that step is as follows：
(1) 100～200 mesh sieve are crossed after first cocoanut husk, Cocos nucifera L. petiole, palm petiole being exposed to the sun, dried, being crushed
Make powder；
(2) iron chloride, ferric nitrate or 20～40g of iron sulfate are taken to be dissolved in dehydrated alcohol, is added
～18g, stands 20～40 days after 20～30h of stirring；
(3) step (2) mixed solution supernatant liquid is poured out, after revolving reclaims most of ethanol, solution refunds 3～10h of stirring,
After standing 2～3 days, dry to viscous pasty state under conditions of 100 DEG C；
(4) mixture of viscous form in step (3) is added in tube furnace, 5～15min of evacuation, logical nitrogen or helium 5～
200 DEG C are heated to the heating rate of 3～5 DEG C/min under conditions of nitrogen or helium protection after 15min, afterwards with 10～15
DEG C/heating rate of min is heated to 800 DEG C, room temperature is cooled to after keeping 3～4h, high-purity Zero-valent Iron biological carbon is obtained.
2. a kind of high-purity Zero-valent Iron biological carbon preparation method according to claim 1, it is characterised in that：
(1) cross 200 mesh sieve to make after first cocoanut husk, Cocos nucifera L. petiole, palm petiole being exposed to the sun, dried, being crushed
Powder；
(2) iron chloride, ferric nitrate or iron sulfate 30g are taken to be dissolved in dehydrated alcohol, is added in step (1) and is obtained powder 12g, stir
30 days are stood after mixing 24h；
(3) step (2) mixed solution supernatant liquid is poured out, after revolving reclaims most of ethanol, solution refunds stirring 5h, stands
After 2 days, dry to viscous pasty state under conditions of 100 DEG C；
(4) mixture of viscous form in step (3) is added in tube furnace, in nitrogen after evacuation 10min, logical nitrogen 10min
200 DEG C are heated to the heating rate of 5 DEG C/min under conditions of protection, 800 are heated to the heating rate of 10 DEG C/min afterwards
DEG C, room temperature is cooled to after keeping 3h, high-purity Zero-valent Iron biological carbon is obtained.
3. a kind of high-purity Zero-valent Iron biological carbon preparation method according to claim 1 and 2, it is characterised in that：Preparing
Sharp reduction with carbon ferric ion during biological carbon.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108326323A (en) * | 2018-03-29 | 2018-07-27 | 洛阳理工学院 | A kind of preparation method of rice husk carbon load nanometer nulvalent iron particle |
| CN108854951A (en) * | 2018-06-05 | 2018-11-23 | 南昌大学 | The method that one-step method prepares charcoal nano zero valence iron nickel composite |
| CN110217775A (en) * | 2019-06-27 | 2019-09-10 | 中冶南方都市环保工程技术股份有限公司 | A kind of preparation method and applications of pickling ZVI modification biological charcoal |
| CN114471466A (en) * | 2022-03-09 | 2022-05-13 | 西南交通大学 | Amino-modified corncob derived nitrogen-doped nano zero-valent iron/charcoal and preparation method and application thereof |
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