CN105727886A - Carbon-iron-titanium-silicon-aluminum oxide compound and preparation method and application thereof - Google Patents
Carbon-iron-titanium-silicon-aluminum oxide compound and preparation method and application thereof Download PDFInfo
- Publication number
- CN105727886A CN105727886A CN201610257241.3A CN201610257241A CN105727886A CN 105727886 A CN105727886 A CN 105727886A CN 201610257241 A CN201610257241 A CN 201610257241A CN 105727886 A CN105727886 A CN 105727886A
- Authority
- CN
- China
- Prior art keywords
- ferrotitanium
- silica
- sieve
- preparation
- sesquioxide
- 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.)
- Granted
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- 238000002360 preparation method Methods 0.000 title claims abstract description 35
- -1 Carbon-iron-titanium-silicon-aluminum oxide compound Chemical class 0.000 title claims abstract description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 52
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 51
- 239000004917 carbon fiber Substances 0.000 claims abstract description 51
- 238000000034 method Methods 0.000 claims abstract description 46
- 230000008569 process Effects 0.000 claims abstract description 38
- 239000002002 slurry Substances 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000007787 solid Substances 0.000 claims abstract description 13
- 239000002253 acid Substances 0.000 claims abstract description 12
- 238000000227 grinding Methods 0.000 claims abstract description 11
- 238000000926 separation method Methods 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 239000002270 dispersing agent Substances 0.000 claims abstract description 5
- 230000009467 reduction Effects 0.000 claims abstract description 5
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 3
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 3
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 3
- 229910001200 Ferrotitanium Inorganic materials 0.000 claims description 65
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 35
- 239000003610 charcoal Substances 0.000 claims description 20
- 239000007789 gas Substances 0.000 claims description 15
- 239000002351 wastewater Substances 0.000 claims description 15
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 13
- 239000003546 flue gas Substances 0.000 claims description 13
- 238000007885 magnetic separation Methods 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 13
- 238000000498 ball milling Methods 0.000 claims description 12
- 229910052742 iron Inorganic materials 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 8
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 7
- 239000003054 catalyst Substances 0.000 claims description 7
- 238000005188 flotation Methods 0.000 claims description 7
- 239000010936 titanium Substances 0.000 claims description 7
- 229910052719 titanium Inorganic materials 0.000 claims description 7
- 239000003463 adsorbent Substances 0.000 claims description 6
- 239000008346 aqueous phase Substances 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 4
- 238000004131 Bayer process Methods 0.000 claims description 3
- 229910001108 Charcoal iron Inorganic materials 0.000 claims description 3
- 238000000197 pyrolysis Methods 0.000 claims description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 2
- 239000002202 Polyethylene glycol Substances 0.000 claims description 2
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 2
- 238000011033 desalting Methods 0.000 claims description 2
- 150000002191 fatty alcohols Chemical class 0.000 claims description 2
- 150000002334 glycols Chemical class 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- 150000002505 iron Chemical class 0.000 claims description 2
- 239000011707 mineral Substances 0.000 claims description 2
- 150000007524 organic acids Chemical class 0.000 claims description 2
- 229920001223 polyethylene glycol Polymers 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- 238000005245 sintering Methods 0.000 claims description 2
- 239000002440 industrial waste Substances 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 229940113116 polyethylene glycol 1000 Drugs 0.000 claims 1
- 238000001354 calcination Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 238000000151 deposition Methods 0.000 description 35
- 230000008021 deposition Effects 0.000 description 27
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 12
- 238000001179 sorption measurement Methods 0.000 description 9
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 8
- 239000002131 composite material Substances 0.000 description 8
- 229920006395 saturated elastomer Polymers 0.000 description 8
- 229910052717 sulfur Inorganic materials 0.000 description 8
- 239000011593 sulfur Substances 0.000 description 8
- 239000002994 raw material Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 5
- 230000008929 regeneration Effects 0.000 description 5
- 238000011069 regeneration method Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 230000003213 activating effect Effects 0.000 description 4
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 238000003701 mechanical milling Methods 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000004071 soot Substances 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229910052593 corundum Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- IQXJCCZJOIKIAD-UHFFFAOYSA-N 1-(2-methoxyethoxy)hexadecane Chemical compound CCCCCCCCCCCCCCCCOCCOC IQXJCCZJOIKIAD-UHFFFAOYSA-N 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- KMWBBMXGHHLDKL-UHFFFAOYSA-N [AlH3].[Si] Chemical compound [AlH3].[Si] KMWBBMXGHHLDKL-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 150000001399 aluminium compounds Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 229950009789 cetomacrogol 1000 Drugs 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000002506 iron compounds Chemical class 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 235000013980 iron oxide Nutrition 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229940031182 nanoparticles iron oxide Drugs 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
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- B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
- B01J20/0211—Compounds of Ti, Zr, Hf
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- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
- B01J20/0225—Compounds of Fe, Ru, Os, Co, Rh, Ir, Ni, Pd, Pt
- B01J20/0229—Compounds of Fe
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- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
- B01J20/08—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04 comprising aluminium oxide or hydroxide; comprising bauxite
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- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
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- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/74—Iron group metals
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- B01J35/23—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state in a colloidal state
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- 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
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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- B01D2253/1124—Metal oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01D2258/02—Other waste gases
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J2220/4887—Residues, wastes, e.g. garbage, municipal or industrial sludges, compost, animal manure; fly-ashes
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- C—CHEMISTRY; METALLURGY
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/34—Organic compounds containing oxygen
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
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Abstract
The invention provides a carbon-iron-titanium-silicon-aluminum oxide compound and a preparation method and application thereof. The preparation method of the carbon-iron-titanium-silicon-aluminum oxide compound comprises the following steps that water is added into red mud, and a first slurry is obtained through grinding; acid is added into the first slurry to adjust the pH value to be 2 to 4, surface dispersant is added, alkaline matter is added to adjust the pH value to be 5 to 10 during the grinding process, and a second slurry is obtained; solid-liquid separation is conducted on the second slurry, calcination is conducted on a solid, and a coated iron-titanium-silicon-aluminum oxide is obtained; reduction is conducted on the coated iron-titanium-silicon-aluminum oxide in a reducing gas atmosphere, carbon fiber generation is conducted in a hydrocarbon atmosphere, cooling is conducted, and the carbon-iron-titanium-silicon-aluminum oxide compound is obtained. According to the carbon-iron-titanium-silicon-aluminum oxide compound and the preparation method and application thereof, high-value utilization of the red mud can be achieved, and extremely high industrial application potential is achieved.
Description
Technical field
The invention belongs to dangerous solid waste process and application, relate to a kind of charcoal ferrotitanium sieve and silica-sesquioxide
Complex and its preparation method and application.
Background technology
Red mud is the pollution strong basicity waste residue discharged during aluminium industry extraction aluminium oxide, and average often produces 1
Ton aluminium oxide, incidentally produces 1.0～2.0 tons of red muds.Substantial amounts of red mud can not sufficiently effective utilize, can only
Rely on large-area stockyard to stack, occupy a large amount of soil, also environment is caused serious pollution.Big portion
Red mud has been classified as danger wastes by point country, and the generation of red mud production, life to the mankind causes
Many impacts directly or indirectly, so reducing yield and the harm of red mud to greatest extent, it is achieved many
Channel, big quantity resource extremely the most urgent.
Owing to containing substantial amounts of ferrum oxide in red mud, forming redness, outward appearance is similar to redness of the skin or complexion earth, thus
Name.Red mud does not contain only ferrum oxide, goes back the compositions such as silica, aluminium oxide, sodium oxide.How to be real
In existing red mud, the higher value application of these compositions is the research emphasis of this area, such as CN102234171A and
Disclosed in CN101468866A, red mud is carried out dealkalize then as the raw material producing cement；
CN101891406A and CN1837121A discloses and utilizes red mud or the red mud after ferrum is selected in dealkalize and desulfurization
Gypsum Fibrosum prepares the method for cement；CN103373815A discloses with Bayer process red mud for main material production porous
Devitrified glass；CN103420359A discloses the method that CNT is prepared in red mud catalysis, the most red
Mud then pulverized 200 mesh sieves through baking 1-4h at 101-109 DEG C can be as Catalyst Production CNT；
CN102757060A discloses by the way of Calx disappears sodium, then separates wherein aluminum and part iron oxides,
Realize the depth extraction of aluminium compound.But, in these inventions above-mentioned, the dealkalize of red mud neutral and alkali compound
Or other processing procedures, do not make ferrum oxide therein well be utilized.And directly make with red mud
For carbon fiber catalyst, due in raw material containing substantial amounts of alkaline matter and chlorine element, and ferrum grain diameter
Greatly, it is difficult to possess high activity and high carbon yield prepared by carbon fiber, thus do not possess prospects for commercial application.
In conjunction with pollution and the Synthetical Utilization Situation of red mud, it is seen that present stage does not also have feasible technology to realize red mud
The higher value application method of middle ferrum and approach, and high-valued and measure big red mud application approach.
Summary of the invention
For the deficiencies in the prior art, it is an object of the invention to provide a kind of charcoal ferrotitanium sieve and silica-sesquioxide and be combined
Thing and preparation method and application.The method is prepared described charcoal ferrotitanium silicon-aluminium compound, this complex by red mud
After pulverizing, use Magneto separate and can realize the initial gross separation of charcoal iron compound and other oxides；Or
This complex can be directly as heavy metal in flue gas oxidation-adsorption agent and the absorption of purification of waste water after can crushing
Agent, and by Magneto separate, it is possible to achieve the repeatedly utilization of this material and regeneration.The method achieve red mud to close
Reason higher value application, has extremely strong commercial Application potentiality.
For reaching this goal of the invention, the present invention by the following technical solutions:
On the one hand, the present invention provides the preparation method of a kind of charcoal ferrotitanium sieve and silica-sesquioxide complex, described method
Comprise the following steps:
(1) in red mud, add water, ground obtain the first slurry；
(2) in the first slurry that step (1) obtains, add acid for adjusting pH value divide to 2-4, addition surface
Powder, under grinding, addition alkaline matter regulation pH value is to 5-10, obtains the second slurry；
(3) step (2) gained the second slurry is carried out solid-liquid separation, obtain solid roasting being coated with sections
Titanium sieve and silica-sesquioxide；
(4) cladded type ferrotitanium sieve and silica-sesquioxide is reduced, then in hydrocarbonization under reducing gas atmosphere
Carry out the generation of carbon fiber under compound atmosphere, obtain described charcoal ferrotitanium sieve and silica-sesquioxide complex.
The present invention utilizes above-mentioned preparation method, red mud prepare charcoal ferrotitanium sieve and silica-sesquioxide complex, it is achieved carbon
The fiber growth on ferrotitanium sieve and silica-sesquioxide surface so as to get complex possess carbon fiber high activity and high
Carbon yield, it is possible to achieve the higher value application of red mud, has prospects for commercial application widely.
In preparation method of the present invention, step (1) described red mud is Bayer process red mud, sub-molten salt red mud
Or any one or the mixture of at least two in red mud from sintering process.
Preferably, step (1) described red mud is 1:(1-5 with the mass ratio of the water of addition), such as 1:1,
1:2,1:3,1:4 or 1:5.
Preferably, step (1) described grinding makes grain diameter be less than or equal to 100nm, such as 100nm,
90nm、80nm、70nm、60nm、50nm、40nm、30nm、20nm、10nm、8
Nm, 5nm, 3nm or 1nm.
Preferably, described grinding can be ball milling.
Preferably, the time of described grinding is 10-36h, such as 10h, 12h, 14h, 16h, 18h,
20h, 22h, 24h, 26h, 28h, 30h, 32h, 34h or 36h.
Preferably, the solid content of described first slurry of step (1) is 10-50%, such as 10%, 13%,
15%, 18%, 20%, 25%, 28%, 30%, 35%, 38%, 40%, 45%, 48% or 50%.
Preferably, step (2) described acid is mineral acid or organic acid, it is preferable that described acid can be industry
Spent acid.
Preferably, in step (2) in the first slurry add acid for adjusting pH value to 2-4, such as 2,2.3,
2.5,2.8,3,3.2,3.5,3.8 or 4.
Preferably, step (2) described surface dispersant is Polyethylene Glycol compounds and/or fatty alcohol polyoxy second
Alkene ether compound, preferably cetomacrogol 1000.
Preferably, the addition of step (2) described surface dispersant is the 0.1-1% of the first slurry gross mass,
Such as 0.1%, 0.15%, 0.2%, 0.25%, 0.3%, 0.35%, 0.4%, 0.5%, 0.6%,
0.7%, 0.8%, 0.9% or 1%.
Preferably, step (2) described alkaline matter can be any in alkali metal hydroxide or carbonate
A kind of or the combination of at least two, preferably sodium hydroxide and/or sodium carbonate.
Preferably, step (2) adds alkaline matter regulation pH value to 5-10, such as 5,5.5,6,
6.5,7,7.5,8,8.5,9,9.5 or 10.
When adding alkaline matter regulation pH value in step (2) to 5-10, in solution, silicoaluminate is formed
Colloidal sol, iron oxide nanoparticles is coated with to silicoaluminate surface, it is achieved in red mud, main substance is again
Precipitation.
Preferably, the temperature of step (3) described roasting is 400-800 DEG C, such as 400 DEG C, 430 DEG C,
450℃、480℃、510℃、530℃、550℃、570℃、600℃、620℃、640℃、
660 DEG C, 680 DEG C, 700 DEG C, 720 DEG C, 750 DEG C, 780 DEG C or 800 DEG C.
Preferably, the time of step (3) described roasting is 1-20h, such as 1h, 2h, 3h, 5h, 7
H, 9h, 10h, 12h, 14h, 16h, 18h, 19h or 20h.
Preferably, the aqueous phase obtained after step (3) solid-liquid separation carry out desalting processing and up to standard after arrange
Put.
Preferably, step (4) described reducing gas atmosphere is hydrogen atmosphere.
Preferably, step (4) described reduction is carried out at 500-800 DEG C, such as 500 DEG C, 530 DEG C,
550℃、580℃、600℃、630℃、650℃、680℃、700℃、720℃、750℃、780℃
Or 800 DEG C.
Preferably, the time of step (4) described reduction is 2-10h, such as 2h, 2.3h, 2.5h, 2.8h,
3h、3.3h、3.5h、3.8h、4h、4.3h、4.5h、4.8h、5h、6h、6.5h、7h、7.5
H, 8h, 8.5h, 9h, 9.5h or 10h.
Under the reducing gas atmosphere of step of the present invention (4), the oxide of ferrum is reduced to ferrum, obtains
Fe-TiO2/SiO2-Al2O3Complex.In the present invention, Fe-TiO2/SiO2-Al2O3Complex represents with sial
Oxide is the complex being loaded with ferrum and titanium oxide of carrier.
Preferably, step (4) described hydrocarbon atmosphere is dry distillation gas, organic exhaust gas, low-carbon alkanes
Or any one or the combination of at least two in water gas atmosphere；
Preferably, the generation temperature of step (4) described carbon fiber is 500-800 DEG C, such as 500 DEG C,
530℃、550℃、580℃、600℃、630℃、650℃、680℃、700℃、720℃、
750 DEG C, 780 DEG C or 800 DEG C.
Preferably, the generation of step (4) described carbon fiber is carried out, during particle entrapment in external-heating rotary kiln
Between be 0.5-2.5h, such as 0.5h, 0.8h, 1h, 1.2h, 1.4h, 1.6h, 1.8h, 2h, 2.1h,
2.3h, 2.4h or 2.5h.
Preferably, the described grinding of step (4) uses wet ball-milling.
Preferably, after step (4), it is of a relatively high that the mode through flotation or magnetic separation obtains iron content
Charcoal iron complexes.
On the other hand, the invention provides the charcoal ferrotitanium silicon prepared by the preparation method described in first aspect
Aluminum oxide complex, this complex is represented by Fe-TiO2/SiO2-Al2O3Complex.
On the other hand, the invention provides described charcoal ferrotitanium sieve and silica-sesquioxide complex in Nanoscale Iron catalyst system
Application in Bei.It is multiple that this complex can obtain the of a relatively high charcoal ferrum of iron content by the way of flotation or magnetic separation
Compound, and then can be as Nanoscale Iron catalyst.
On the other hand, the invention provides described charcoal ferrotitanium sieve and silica-sesquioxide complex preparing at waste water
Application in the adsorbent of reason.This complex can be directly as the adsorbent processed for waste water, to ammonia nitrogen
Waste water and phenols wastewater have good clean-up effect.
On the other hand, the invention provides described charcoal ferrotitanium sieve and silica-sesquioxide complex and prepare coal-fired flue-gas weight
Application in metal removal adsorbent.Charcoal ferrotitanium sieve and silica-sesquioxide complex of the present invention is through vulcanizing treatment
After can be as the adsorbent of coal-fired flue-gas heavy metal removing, its hydrargyrum adsorbance reaches more than 10mg/g, the fullest
Full border industrial requirements.
Compared with prior art, there is advantages that
The present invention can use red mud to prepare cladding nanometer iron material by plain mode, and for carbon fiber
Catalyst, it is achieved the higher value application of red mud；Utilize carbon fiber in the growth on nano iron particles surface, it is achieved
Nano iron particles and the physical separation of other materials, in conjunction with ball mill crushing and Magnetic Separation Technology, it is achieved red mud
Middle ferrum separates with other impurity such as titanium sial.
Accompanying drawing explanation
Fig. 1 is that the present invention prepares the ferrotitanium sieve and silica-sesquioxide complex of deposition carbon fiber and enters this complex
The process chart that row magnetic separation separates；
Fig. 2 is that the present invention prepares the ferrotitanium sieve and silica-sesquioxide complex of deposition carbon fiber and utilizes this complex
The process chart carrying out flue gas demercuration and recycle；
Fig. 3 is that the present invention prepares the ferrotitanium sieve and silica-sesquioxide complex of deposition carbon fiber and utilizes this complex
Carry out the process chart that waste water processes and recycles.
Detailed description of the invention
Technical scheme is further illustrated below by detailed description of the invention.Those skilled in the art
It will be clearly understood that the only help of described embodiment understands the present invention, it is not construed as the concrete limit to the present invention
System.
Embodiment 1
The preparation method of a kind of ferrotitanium sieve and silica-sesquioxide complex depositing carbon fiber, comprises the steps:
(1), after adding the water of 1kg in the red mud of 1kg, it is added into ball milling 12h in ball grinder so that
Grain diameter is less than or equal to 100nm, obtains the first slurry, and the solid content of the first slurry is 30%；
(2), after gradually dripping dilute nitric acid solution (10% concentration) 1kg in the first slurry, solution ph is about
Being 2, system becomes pulpous state；Pulpous state red mud gradually drips ammonia (10% concentration) 0.5kg in mechanical milling process
After, solution ph is about 6, and silicon-aluminum sol precipitates again, and system viscosity diminishes, and obtains the second slurry；
(3), after the second slurry is carried out solid-liquid separation and washing, dry under the conditions of 120 DEG C, Jin Er
Under the conditions of 400 DEG C, roasting 6h obtains solid matter, i.e. cladded type ferrotitanium sieve and silica-sesquioxide；
(4) cladded type ferrotitanium sieve and silica-sesquioxide is reduced under the conditions of atmosphere of hydrogen 500 DEG C 10h, then cuts
Change de-CO into2Dry distillation gas (main component: CH4、CO、H2、C2H6、H2S), at 600 DEG C
Reaction 2h, obtains depositing the ferrotitanium sieve and silica-sesquioxide complex of carbon fiber.
The ferrotitanium sieve and silica-sesquioxide complex of the deposition carbon fiber that can be prepared by the present embodiment adds ball milling
In machine, add a small amount of water, soot particles crushed, after in aqueous phase, carry out flotation or magnetic separation, obtain
Corresponding carbon fiber ferrum granule and titanium sial system composite oxide.The ferrotitanium sieve and silica-sesquioxide of deposition carbon fiber
The technological process that the preparation of complex and its magnetic separation separate is as it is shown in figure 1, this embodiment is by such as Fig. 1 institute
Show technological process process before raw material and the composition of product 1-3 and percentage composition as shown in table 1.
Table 1
The ferrotitanium sieve and silica-sesquioxide complex of the deposition carbon fiber prepared by the present embodiment carries out sulfur deposition and changes
After property, under the conditions of 400 DEG C, it is passed through the H of 1% concentration2S obtains sulfur modified composite after processing, at mould
Intending carrying out hydrargyrum simple substance adsorbing and removing in flue gas, its adsorption capacity reaches 10mg/g；Real process can be tied
Conjunction Magnetic Isolation is used for multiple times, the preparation of the ferrotitanium sieve and silica-sesquioxide complex of deposition carbon fiber and its flue gas
Demercuration is with the technological process recycled as shown in Figure 2.
The ferrotitanium sieve and silica-sesquioxide complex of the deposition carbon fiber prepared by the present embodiment can be used for containing phenol
Waste water removes, thing on the basis of phenol, and saturated extent of adsorption reaches 10mg/g；Under ultraviolet light assists,
Degraded adsorbance reaches 100mg/g.Adsorb saturated after in high temperature inert atmosphere regeneration activating, it is possible to achieve
Recycle, deposit the preparation of the ferrotitanium sieve and silica-sesquioxide complex of carbon fiber and carry out waste water process with it
With the technological process recycled as shown in Figure 3.
Embodiment 2
The preparation method of a kind of ferrotitanium sieve and silica-sesquioxide complex depositing carbon fiber, comprises the steps:
(1), after adding the water of 2kg in the red mud of 1kg, it is added into ball milling 10h in ball grinder so that
Grain diameter is less than or equal to 100nm, obtains the first slurry, and the first slurry solid content is 20%；
(2), after gradually dripping dilute hydrochloric acid solution (5%) 1kg in the first slurry, solution ph is about 4,
System becomes pulpous state；After pulpous state red mud gradually drips sodium hydroxide (10% concentration) 0.5kg in mechanical milling process,
Solution ph is about 6, and silicon-aluminum sol precipitates again, and system viscosity diminishes, and obtains the second slurry；
(3), after the second slurry is carried out solid-liquid separation and washing, dry under the conditions of 100 DEG C, Jin Er
Under the conditions of 600 DEG C, roasting 5h obtains solid matter, i.e. cladded type ferrotitanium sieve and silica-sesquioxide；
(4) cladded type ferrotitanium sieve and silica-sesquioxide is reduced under the conditions of atmosphere of hydrogen 700 DEG C 10h, then cuts
Change organic exhaust gas (composition is acetone, toluene etc.) into, at 700 DEG C, react 1h, obtain depositing carbon fiber
Ferrotitanium sieve and silica-sesquioxide complex.
The ferrotitanium sieve and silica-sesquioxide complex of the deposition carbon fiber that can be prepared by the present embodiment adds ball milling
In machine, add a small amount of water, soot particles crushed, after in aqueous phase, carry out flotation or magnetic separation, obtain
Corresponding carbon fiber ferrum granule and titanium sial system composite oxide.The ferrotitanium sieve and silica-sesquioxide of deposition carbon fiber
The technological process that the preparation of complex and its magnetic separation separate is as it is shown in figure 1, this embodiment is by such as Fig. 1 institute
Show technological process process before raw material and the composition of product 1-3 and percentage composition as shown in table 2.
Table 2
The ferrotitanium sieve and silica-sesquioxide complex of the deposition carbon fiber prepared by the present embodiment carries out sulfur deposition and changes
After property, under the conditions of 400 DEG C, it is passed through the H of 1% concentration2S obtains sulfur modified composite after processing, at mould
Intending carrying out hydrargyrum simple substance adsorbing and removing in flue gas, its adsorption capacity reaches 13mg/g；Real process can be tied
Conjunction Magnetic Isolation is used for multiple times, the preparation of the ferrotitanium sieve and silica-sesquioxide complex of deposition carbon fiber and its flue gas
Demercuration is with the technological process recycled as shown in Figure 2.
The ferrotitanium sieve and silica-sesquioxide complex of the deposition carbon fiber prepared by the present embodiment can be used for containing phenol
Waste water removes, thing on the basis of phenol, and saturated extent of adsorption reaches 15mg/g；Under ultraviolet light assists,
Degraded adsorbance reaches 110mg/g.Adsorb saturated after in high temperature inert atmosphere regeneration activating, it is possible to achieve
Recycle, deposit the preparation of the ferrotitanium sieve and silica-sesquioxide complex of carbon fiber and carry out waste water process with it
With the technological process recycled as shown in Figure 3.
Embodiment 3
The preparation method of a kind of ferrotitanium sieve and silica-sesquioxide complex depositing carbon fiber, comprises the steps:
(1), after adding the water of 1kg in the red mud of 1kg, it is added into ball milling 24h in ball grinder so that
Grain diameter is less than or equal to 100nm, obtains the first slurry, and the first slurry solid content is 50%；
(2), after gradually dripping sulfuric acid solution (50%) 0.2kg in the first slurry, solution ph is about 3,
System becomes pulpous state；Pulpous state red mud gradually drips aqueous sodium carbonate (5% concentration) 1kg in mechanical milling process
After, solution ph is about 7, and silicon-aluminum sol precipitates again, and system viscosity diminishes, and obtains the second slurry；
(3), after the second slurry is carried out solid-liquid separation and washing, dry under the conditions of 100 DEG C, Jin Er
Under the conditions of 800 DEG C, roasting 3h obtains solid matter, i.e. cladded type ferrotitanium sieve and silica-sesquioxide；
(4) by cladded type ferrotitanium sieve and silica-sesquioxide reductase 12 h under the conditions of atmosphere of hydrogen 700 DEG C, then switch
Become coal gasification mixed gas (CO, H2), at 700 DEG C, react 2.5h, obtain depositing the ferrotitanium silicon of carbon fiber
Aluminum oxide complex.
The ferrotitanium sieve and silica-sesquioxide complex of the deposition carbon fiber that can be prepared by the present embodiment adds ball milling
In machine, add a small amount of water, soot particles crushed, after in aqueous phase, carry out flotation or magnetic separation, obtain
Corresponding carbon fiber ferrum granule and titanium sial system composite oxide.The ferrotitanium sieve and silica-sesquioxide of deposition carbon fiber
The technological process that the preparation of complex and its magnetic separation separate is as it is shown in figure 1, this embodiment is by such as Fig. 1 institute
Show technological process process before raw material and the composition of product 1-3 and percentage composition as shown in table 3.
Table 3
The ferrotitanium sieve and silica-sesquioxide complex of the deposition carbon fiber prepared by the present embodiment carries out sulfur deposition and changes
After property, under the conditions of 400 DEG C, it is passed through the H of 1% concentration2S obtains sulfur modified composite after processing, at mould
Intending carrying out hydrargyrum simple substance adsorbing and removing in flue gas, its adsorption capacity reaches 15mg/g；Real process can be tied
Conjunction Magnetic Isolation is used for multiple times, the preparation of the ferrotitanium sieve and silica-sesquioxide complex of deposition carbon fiber and its flue gas
Demercuration is with the technological process recycled as shown in Figure 2.
The ferrotitanium sieve and silica-sesquioxide complex of the deposition carbon fiber prepared by the present embodiment can be used for containing phenol
Waste water removes, thing on the basis of phenol, and saturated extent of adsorption reaches 12mg/g；Under ultraviolet light assists,
Degraded adsorbance reaches 108mg/g.Adsorb saturated after in high temperature inert atmosphere regeneration activating, it is possible to achieve
Recycle, deposit the preparation of the ferrotitanium sieve and silica-sesquioxide complex of carbon fiber and carry out waste water process with it
With the technological process recycled as shown in Figure 3.
Embodiment 4
The preparation method of a kind of ferrotitanium sieve and silica-sesquioxide complex depositing carbon fiber, comprises the steps:
(1), after adding the water of 5kg in the red mud of 1kg, it is added into ball milling 36h in ball grinder so that
Grain diameter is less than or equal to 100nm, obtains the first slurry, and the first slurry solid content is 40%；
(2), after gradually dripping sulfuric acid solution (50%) 0.5kg in the first slurry, solution ph is about 4,
System becomes pulpous state；Pulpous state red mud gradually drips aqueous sodium carbonate (5% concentration) 1.5kg in mechanical milling process
After, solution ph is about 10, and silicon-aluminum sol precipitates again, and system viscosity diminishes, and obtains the second slurry；
(3), after the second slurry is carried out solid-liquid separation and washing, dry under the conditions of 100 DEG C, Jin Er
Under the conditions of 800 DEG C, roasting 10h obtains solid matter, i.e. cladded type ferrotitanium sieve and silica-sesquioxide；
(4) cladded type ferrotitanium sieve and silica-sesquioxide is reduced under the conditions of atmosphere of hydrogen 700 DEG C 5h, then switches
Become coal gasification mixed gas (CO, H2), at 700 DEG C, react 0.5h, obtain depositing the ferrotitanium silicon of carbon fiber
Aluminum oxide complex.
The ferrotitanium sieve and silica-sesquioxide complex of the deposition carbon fiber that can be prepared by the present embodiment adds ball milling
In machine, add a small amount of water, soot particles crushed, after in aqueous phase, carry out flotation or magnetic separation, obtain
Corresponding carbon fiber ferrum granule and titanium sial system composite oxide.The ferrotitanium sieve and silica-sesquioxide of deposition carbon fiber
The technological process that the preparation of complex and its magnetic separation separate is as it is shown in figure 1, this embodiment is by such as Fig. 1 institute
Show technological process process before raw material and the composition of product 1-3 and percentage composition as shown in table 4.
Table 4
The ferrotitanium sieve and silica-sesquioxide complex of the deposition carbon fiber prepared by the present embodiment carries out sulfur deposition and changes
After property, under the conditions of 400 DEG C, it is passed through the H of 1% concentration2S obtains sulfur modified composite after processing, at mould
Intending carrying out hydrargyrum simple substance adsorbing and removing in flue gas, its adsorption capacity reaches 10mg/g；Real process can be tied
Conjunction Magnetic Isolation is used for multiple times, the preparation of the ferrotitanium sieve and silica-sesquioxide complex of deposition carbon fiber and its flue gas
Demercuration is with the technological process recycled as shown in Figure 2.
The ferrotitanium sieve and silica-sesquioxide complex of the deposition carbon fiber prepared by the present embodiment can be used for containing phenol
Waste water removes, thing on the basis of phenol, and saturated extent of adsorption reaches 13mg/g；Under ultraviolet light assists,
Degraded adsorbance reaches 105mg/g.Adsorb saturated after in high temperature inert atmosphere regeneration activating, it is possible to achieve
Recycle, deposit the preparation of the ferrotitanium sieve and silica-sesquioxide complex of carbon fiber and carry out waste water process with it
With the technological process recycled as shown in Figure 3.
Applicant states, the present invention illustrates the process of the present invention by above-described embodiment, but the present invention
It is not limited to above-mentioned processing step, does not i.e. mean that the present invention has to rely on above-mentioned processing step and could implement.
Person of ordinary skill in the field is it will be clearly understood that any improvement in the present invention, to former selected by the present invention
The equivalence of material is replaced and the interpolation of auxiliary element, concrete way choice etc., all falls within the protection model of the present invention
Within the scope of enclosing and disclosing.
Claims (10)
1. the preparation method of a charcoal ferrotitanium sieve and silica-sesquioxide complex, it is characterised in that described method bag
Include following steps:
(1) in red mud, add water, ground obtain the first slurry；
(2) in the first slurry that step (1) obtains, add acid for adjusting pH value divide to 2-4, addition surface
Powder, under grinding, addition alkaline matter regulation pH value is to 5-10, obtains the second slurry；
(3) step (2) gained the second slurry is carried out solid-liquid separation, obtain solid roasting being coated with sections
Titanium sieve and silica-sesquioxide；
(4) cladded type ferrotitanium sieve and silica-sesquioxide is reduced, then in hydrocarbonization under reducing gas atmosphere
Carry out the generation of carbon fiber under compound atmosphere, obtain described charcoal ferrotitanium sieve and silica-sesquioxide complex.
Preparation method the most according to claim 1, it is characterised in that step (1) described red mud is
Any one or the mixture of at least two in Bayer process red mud, sub-molten salt red mud or red mud from sintering process；
Preferably, step (1) described red mud is 1:(1-5 with the mass ratio of the water of addition)；
Preferably, step (1) described grinding makes grain diameter be less than or equal to 100nm；
Preferably, ball milling it is ground to described in；
Preferably, the time of described grinding is 10-36h；
Preferably, the solid content of described first slurry of step (1) is 10-50%.
Preparation method the most according to claim 1 and 2, it is characterised in that step (2) described acid
For mineral acid or organic acid；
Preferably, step (2) described acid can be industrial waste acid.
4. according to the preparation method according to any one of claim 1-3, it is characterised in that step (2)
Described surface dispersant is Polyethylene Glycol compounds and/or fatty alcohol polyethenoxy ether class compound, the most poly-
Ethylene glycol 1000；
Preferably, the addition of step (2) described surface dispersant is the 0.1-1% of the first slurry gross mass；
Preferably, step (2) described alkaline matter can be any in alkali metal hydroxide or carbonate
A kind of or the combination of at least two, preferably sodium hydroxide and/or sodium carbonate.
5. according to the preparation method according to any one of claim 1-4, it is characterised in that step (3)
The temperature of described roasting is 400-800 DEG C；
Preferably, the time of step (3) described roasting is 1-20h；
Preferably, the aqueous phase obtained after step (3) solid-liquid separation carry out desalting processing and up to standard after discharge.
6. according to the preparation method according to any one of claim 1-5, it is characterised in that step (4)
Described reducing gas atmosphere is hydrogen atmosphere；
Preferably, step (4) described reduction is carried out at 500-800 DEG C；
Preferably, the time of step (4) described reduction is 2-10h；
Preferably, step (4) described hydrocarbon atmosphere is dry distillation gas, organic exhaust gas, low-carbon alkanes
Or any one or the combination of at least two in water gas atmosphere；
Preferably, the generation temperature of step (4) described carbon fiber is 500-800 DEG C；
Preferably, the generation of step (4) described carbon fiber is carried out, during particle entrapment in external-heating rotary kiln
Between be 0.5-2.5h；
Preferably, the described grinding of step (4) uses wet ball-milling.
7. the charcoal ferrotitanium sial oxidation prepared according to the preparation method according to any one of claim 1-6
Thing complex.
Charcoal ferrotitanium sieve and silica-sesquioxide complex the most according to claim 7 is in prepared by Nanoscale Iron catalyst
Application, it is characterised in that described charcoal ferrotitanium sieve and silica-sesquioxide complex obtains by the way of flotation or magnetic separation
To the charcoal iron complexes that iron content is of a relatively high, and then as Nanoscale Iron catalyst.
Charcoal ferrotitanium sieve and silica-sesquioxide complex the most according to claim 7 processes for waste water in preparation
Application in adsorbent.
Charcoal ferrotitanium sieve and silica-sesquioxide complex the most according to claim 7 is preparing a coal-fired flue-gas huge sum of money
Belong to the application in removing adsorbent.
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| CN114345296A (en) * | 2021-12-28 | 2022-04-15 | 淮阴工学院 | Preparation method of magnetic activated carbon-red mud composite adsorbent |
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| CN107051413A (en) * | 2017-01-10 | 2017-08-18 | 中国科学院过程工程研究所 | A kind of method that iron absorbent charcoal composite material is prepared by red mud and coal/charcoal |
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| CN107537492A (en) * | 2017-10-24 | 2018-01-05 | 中国科学院过程工程研究所 | A kind of method that iron system denitrating catalyst is directly prepared by the activation of red mud soda acid |
| CN108203611A (en) * | 2018-01-18 | 2018-06-26 | 山东大学 | The system and method for the pre- desulfuration demercuration of smoke gas pyrolysis is utilized before a kind of medium-high sulfur coal combustion |
| CN114345296A (en) * | 2021-12-28 | 2022-04-15 | 淮阴工学院 | Preparation method of magnetic activated carbon-red mud composite adsorbent |
| CN114345296B (en) * | 2021-12-28 | 2023-06-30 | 淮阴工学院 | Preparation method of magnetic activated carbon-red mud composite adsorbent |
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