CN109019827A - A kind of graphene composite material and preparation method improving waste purification by ozone efficiency - Google Patents
A kind of graphene composite material and preparation method improving waste purification by ozone efficiency Download PDFInfo
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- CN109019827A CN109019827A CN201810901488.3A CN201810901488A CN109019827A CN 109019827 A CN109019827 A CN 109019827A CN 201810901488 A CN201810901488 A CN 201810901488A CN 109019827 A CN109019827 A CN 109019827A
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- ferrosilite
- graphene
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- aerogel
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 69
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 239000002131 composite material Substances 0.000 title claims abstract description 36
- 238000000746 purification Methods 0.000 title claims abstract description 25
- 239000002699 waste material Substances 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000004964 aerogel Substances 0.000 claims abstract description 58
- 229910052635 ferrosilite Inorganic materials 0.000 claims abstract description 48
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000011246 composite particle Substances 0.000 claims abstract description 28
- 239000000843 powder Substances 0.000 claims abstract description 28
- 239000000919 ceramic Substances 0.000 claims abstract description 27
- 229920000642 polymer Polymers 0.000 claims abstract description 24
- 239000002002 slurry Substances 0.000 claims abstract description 22
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 19
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000001764 infiltration Methods 0.000 claims abstract description 16
- 229910052742 iron Inorganic materials 0.000 claims abstract description 16
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 16
- 239000010703 silicon Substances 0.000 claims abstract description 16
- 230000008595 infiltration Effects 0.000 claims abstract description 15
- 238000005245 sintering Methods 0.000 claims abstract description 13
- 238000000227 grinding Methods 0.000 claims abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 34
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 20
- 239000000377 silicon dioxide Substances 0.000 claims description 17
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 14
- 239000003960 organic solvent Substances 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 8
- 239000011148 porous material Substances 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 8
- 238000010792 warming Methods 0.000 claims description 8
- 239000011162 core material Substances 0.000 claims description 7
- 238000001694 spray drying Methods 0.000 claims description 7
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical group CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 6
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- 229910052593 corundum Inorganic materials 0.000 claims description 6
- VEPSWGHMGZQCIN-UHFFFAOYSA-H ferric oxalate Chemical compound [Fe+3].[Fe+3].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O VEPSWGHMGZQCIN-UHFFFAOYSA-H 0.000 claims description 6
- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Chemical compound O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 claims description 6
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 6
- GNMQOUGYKPVJRR-UHFFFAOYSA-N nickel(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Ni+3].[Ni+3] GNMQOUGYKPVJRR-UHFFFAOYSA-N 0.000 claims description 5
- PZFKDUMHDHEBLD-UHFFFAOYSA-N oxo(oxonickeliooxy)nickel Chemical group O=[Ni]O[Ni]=O PZFKDUMHDHEBLD-UHFFFAOYSA-N 0.000 claims description 5
- 239000005955 Ferric phosphate Substances 0.000 claims description 4
- 229940032958 ferric phosphate Drugs 0.000 claims description 4
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 claims description 4
- YPJCVYYCWSFGRM-UHFFFAOYSA-H iron(3+);tricarbonate Chemical compound [Fe+3].[Fe+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O YPJCVYYCWSFGRM-UHFFFAOYSA-H 0.000 claims description 4
- 229910000399 iron(III) phosphate Inorganic materials 0.000 claims description 4
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 4
- ZFPGARUNNKGOBB-UHFFFAOYSA-N 1-Ethyl-2-pyrrolidinone Chemical compound CCN1CCCC1=O ZFPGARUNNKGOBB-UHFFFAOYSA-N 0.000 claims description 3
- AXTGDCSMTYGJND-UHFFFAOYSA-N 1-dodecylazepan-2-one Chemical compound CCCCCCCCCCCCN1CCCCCC1=O AXTGDCSMTYGJND-UHFFFAOYSA-N 0.000 claims description 3
- PVFSDGKDKFSOTB-UHFFFAOYSA-K iron(3+);triacetate Chemical compound [Fe+3].CC([O-])=O.CC([O-])=O.CC([O-])=O PVFSDGKDKFSOTB-UHFFFAOYSA-K 0.000 claims description 3
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 2
- 150000001336 alkenes Chemical class 0.000 claims description 2
- AXCMRJJCPRARIT-UHFFFAOYSA-N 1-octylpyrrole Chemical compound CCCCCCCCN1C=CC=C1 AXCMRJJCPRARIT-UHFFFAOYSA-N 0.000 claims 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 claims 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 239000004575 stone Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 26
- 238000007254 oxidation reaction Methods 0.000 abstract description 17
- 230000003647 oxidation Effects 0.000 abstract description 16
- 238000001179 sorption measurement Methods 0.000 abstract description 16
- 238000003795 desorption Methods 0.000 abstract description 7
- 239000003054 catalyst Substances 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 6
- 239000010865 sewage Substances 0.000 abstract description 6
- 238000005406 washing Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000000465 moulding Methods 0.000 description 6
- 229910044991 metal oxide Inorganic materials 0.000 description 5
- 150000004706 metal oxides Chemical class 0.000 description 5
- CZGCEKJOLUNIFY-UHFFFAOYSA-N 4-Chloronitrobenzene Chemical compound [O-][N+](=O)C1=CC=C(Cl)C=C1 CZGCEKJOLUNIFY-UHFFFAOYSA-N 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 3
- 229960004029 silicic acid Drugs 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 229910052723 transition metal Inorganic materials 0.000 description 3
- 150000003624 transition metals Chemical class 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- -1 Hydroxyl radical free radical Chemical class 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 2
- 238000006385 ozonation reaction Methods 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- BFCFYVKQTRLZHA-UHFFFAOYSA-N 1-chloro-2-nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1Cl BFCFYVKQTRLZHA-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000003421 catalytic decomposition reaction Methods 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000254 damaging effect Effects 0.000 description 1
- UZUODNWWWUQRIR-UHFFFAOYSA-L disodium;3-aminonaphthalene-1,5-disulfonate Chemical compound [Na+].[Na+].C1=CC=C(S([O-])(=O)=O)C2=CC(N)=CC(S([O-])(=O)=O)=C21 UZUODNWWWUQRIR-UHFFFAOYSA-L 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003760 magnetic stirring Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000003863 metallic catalyst Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 150000004040 pyrrolidinones Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 229910052702 rhenium Inorganic materials 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 235000019795 sodium metasilicate Nutrition 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- 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
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
-
- 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
- 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
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28016—Particle form
-
- 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
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28047—Gels
-
- 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
- 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
- B01J23/745—Iron
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Dispersion Chemistry (AREA)
- Water Treatment By Sorption (AREA)
- Catalysts (AREA)
Abstract
The present invention proposes a kind of graphene composite material and preparation method for improving waste purification by ozone efficiency, silicon source solution is dispersed by graphene aerogel, then source of iron is added and carries out hydro-thermal reaction, so that ferrosilite is grown on graphene aerogel surface, graphene aerogel surface uniform load ferrosilite, products therefrom is dry, grinding, obtain graphene aerogel/ferrosilite composite particles, gained graphene aerogel/ferrosilite composite particles and ceramic powders are hybridly prepared into slurry, then in the slurry by the infiltration of porous polymer template, it is sufficiently taken out after infiltration and carries out high temperature sintering and calcine removing template, washing, it is dried to obtain graphene composite material.The defects of it is weaker directly as ozone oxidation catalyst processing sewage adsorption capacity that the invention avoids ferrosilites, and desorption phenomenon easily occurs, improves the purification efficiency of ozone oxidation water.
Description
Technical field
The present invention relates to technical field of water treatment, multiple more particularly to a kind of graphene for improving waste purification by ozone efficiency
Condensation material and preparation method.
Background technique
As industrial wastewater, the discharge amount of exhausting sewage and pesticide, organic chemical fertilizer dosage are continuously increased, many drinks
It is contaminated with water source, organic pollutants content is exceeded serious.Conventional drinking water treatment technique is to dirt organic in water body
The removal effect for contaminating object is little.Although having taken up the organic contamination in some reinforcing removal technology removal water bodys both at home and abroad at present
Object, such as adsorption technology, membrane separation technique, biological reinforcing technology and zero-valent metal reduction technique, the removal ability of these technologies
Usually it is weaker, technique cost is relatively high.
Parachloronitrobenzene (4-chioronitrobenzene, 4-CNB) is as the difficult drop in a kind of typical ozone oxidation water
Organic compound is solved, the concentrations in water body have one to water environment and human health generally in nanogram to Gamma Magnitude
Fixed damaging effect, and removal efficiency is relatively low in conventional water treatment process, and high-level oxidation technology is mostly used to carry out it
Decompose removal.Ozone have very strong oxidability, therefore environmental protection and in terms of be widely used.In water supply and
Ozone and organic matter reaction process mainly include that ozone molecule direct oxidation organic matter and ozone molecule generate in sewage treatment
Hydroxyl radical free radical indirect oxidation object.It is air or oxygen containing low concentration ozone used in waste water treatment by ozone oxidation
Gas.Main process facility is made of ozone generator and air water contact arrangement.Ozonation is mainly used for the disinfection of water, goes
The polluters such as phenol, cyanogen in water removal, the decoloration of water remove the metal ions such as iron, manganese in water, eliminate the unusual smell and stink.
In order to reinforce ozone oxidation reaction, the removal effect to organic matter is improved, metal oxide is commonly used and is carried on
Metal or metal oxide on carrier is as catalyst.Metal in catalyst is all transition metal mostly, and catalysis is lived
Property is typical metal and nonmetallic unexistent.Catalytic performance has incomplete d electronic structure related with transition metal, special
The catalytic activity for determining transition metal per surface area is also tended to crystal plane type, metallic size, carrier type etc. no
It changes together.At present researcher both domestic and external investigate metallic catalyst mainly have Cu, Pt, Pb, Pd, Ag, Co, Ru,
Ir, Rh, Re, Ni, Fe etc..Although metal oxide containing precious metals show certain excellent during catalysis ozone removes pollutant
Gesture, since metal oxide containing precious metals element species are relatively fewer, price is relatively expensive, and the study on the industrialization of catalysis ozone is compared to non-expensive
Metallic element is relatively fewer.
Silicon is widely distributed in nature kind, and silicon and oxygen are combined into silicic acid with other cations mainly in combination with forming complex anion
Salt mineral directly or are after modified applied in catalytic ozonation technology.Chinese invention patent application number
200510136946.1 disclose it is a kind of for handle include aqueous based dispersions and other solid matters waste water wastewater treatment
Method, which includes surfactant, colorant and silica, wherein being handled using ferric-polysilicate coagulant useless
Water.Chinese invention patent application number 201410291491.X discloses a kind of stability polymeric silicicacid iron production method, utilizes acid
The raw material such as waste liquid, oxidant, sodium metasilicate, sulfuric acid, hydrochloric acid are washed, examination is added different stabilizers, promotees poly- agent, carries out polymerization silicon
The industrialization of sour molten iron flocculant for treating is produced as a trial.Also there is research and utilization ferrosilite as ozone oxidation catalyst in water at present
The method that micro 4-CNB is handled has preferable catalytic decomposition effect, removal efficiency compared to independent ozone oxidation system
It is obviously improved 27.5 percentage points.However, ferrosilite is weaker to the adsorption capacity of 4-CNB, while ferrosilite is to the ozone in water
Molecule has reversible adsorption capacity, and the ozone of absorption is easy to happen desorption phenomenon, to directly weaken to ozone oxidation water
Catalytic treatment effect causes efficiency lower.
Summary of the invention
It is weaker directly as ozone oxidation catalyst processing sewage adsorption capacity for current ferrosilite, it is existing that desorption easily occurs
As the defects of, the present invention propose it is a kind of improve waste purification by ozone efficiency graphene composite material and preparation method, effectively keep away
The ozone for exempting from current ferrosilite absorption is easy to happen the defect of desorption, improves the purification efficiency to ozone oxidation water.
To solve the above problems, the invention adopts the following technical scheme: a kind of graphite for improving waste purification by ozone efficiency
Alkene composite material, the composite aerogel pass through nanometer using graphene aerogel load ferrosilite composite particles as core material
Ceramic powders fastening molding constitutes three-dimensional active network, wherein the porosity of the composite material is 80-93%, the nanometer pottery
The partial size of porcelain powder is 10-100nm.
Preferably, the nano ceramic powder is Ni2O3、Al2O3、ZnO、Nb2O5、SnO2、CaO、Y2O3、ZrO2In one
Kind or two or more mixtures.
Preferably, use graphene aerogel for carrier, it is then mixed with ceramic powders by surface uniform load ferrosilite
Close, by high temperature sintering, obtain the filtering material for ozone oxidation Water warfare, it is specific the preparation method is as follows:
(1) example 1:2-8 weighs graphene aerogel and silicon source solution by volume, and source of iron is then added, and carries out hydro-thermal reaction, will
Gel takes out, and obtains graphene aerogel/ferrosilite composite particles after drying and grinding；Source of iron additional amount forms silicon with silicon source completely
Subject to sour iron；
(2) graphene aerogel/ferrosilite composite particles are mixed with the nano ceramic powder, is infiltrated in organic solvent
In, by high-speed stirred, it is configured to slurry；
(3) it by the infiltration of porous polymer template in the slurry, is sufficiently taken out after infiltration, carries out 700-890 DEG C of high temperature sintering
And removing template is calcined, it washs, be dried to obtain composite aerogel.
Preferably, the source of iron is the mixing of one or more of ferric phosphate, ferric carbonate, ferric acetate, ferric oxalate
Object.
Preferably, the silicon source solution is silica solution and dimethylformamide mixed liquor, the wherein mass concentration of silica solution
For 6-12%.
Preferably, hydro-thermal reaction technique described in step (1) is to be heated to 50-70 DEG C, stands 2-12 hours, then uses
Teflon seal is warming up to 260-300 DEG C, and the reaction was continued 5-8 hours.
Preferably, drying process described in step (1) is spray drying, and dry temperature is 40-65 DEG C.
Preferably, in step (2), the graphene aerogel/ferrosilite composite particles and the nano ceramic powder
Mass ratio is 1:3-8, and the organic solvent is isopropanol, ethylene glycol, N-Methyl pyrrolidone, N- ethyl pyrrolidone, N- pungent
One of base pyrrolidones, azone.Organic solvent usage amount is subject to the slurry to form good flowing.
Preferably, step (3) the porous polymer template is three-dimensional network skeleton structure resin based porous materials, skeleton
Having a size of 0.1-1.0 μm, in three-dimensional network Skeleton Table face there is aperture to have between the mesoporous of 2nm-50nm and inside
Hole aperture is between 0.2 μm -5.0 μm of through hole.
It is weaker directly as ozone oxidation catalyst processing sewage adsorption capacity for current ferrosilite, it is existing that desorption easily occurs
As the defects of, the present invention propose it is a kind of improve waste purification by ozone efficiency graphene composite material and preparation method, technology
Point is: dispersing silicon source solution for graphene aerogel, source of iron is then added and carries out hydro-thermal reaction, so that ferrosilite is in graphene
The growth of aeroge surface, graphene aerogel surface uniform load ferrosilite, products therefrom is dry, grinding obtain graphene
Gained graphene aerogel/ferrosilite composite particles are slurried aeroge/ferrosilite composite particles with ceramic powders mixed preparing
Material, then in the slurry by the infiltration of porous polymer template, sufficiently taking-up carries out high temperature sintering and calcines removing template after infiltration,
It washs, be dried to obtain composite aerogel.Graphene gas is made by the way that graphene aerogel to be dispersed in react in silicon source in the present invention
Gel surface uniform load ferrosilite, then it is complex sintered with ceramic powders, the absorption of high opening rate can be made using template
Filter material material, adsorption capacity is strong, strengthens composite material to the adsorption effect of ozone molecule and parachloronitrobenzene, effectively avoids current
The ozone of ferrosilite absorption is easy to happen the defect of desorption, improves the purification efficiency to ozone oxidation water.
The present invention proposes a kind of graphene composite material and preparation method for improving waste purification by ozone efficiency, with prior art phase
Than the feature and excellent effect protruded is:
1, the present invention proposes a kind of graphene composite material and preparation method for improving waste purification by ozone efficiency, by graphene gas
Then gel dispersion is added source of iron and carries out hydro-thermal reaction in silicon source solution, so that ferrosilite is grown on graphene aerogel surface,
Graphene aerogel surface uniform load ferrosilite, products therefrom is dry, grinding, it is multiple to obtain graphene aerogel/ferrosilite
Particle is closed, gained graphene aerogel/ferrosilite composite particles and ceramic powders are hybridly prepared into slurry, it then will be porous poly-
It closes object template to infiltrate in the slurry, is sufficiently taken out after infiltration and carry out high temperature sintering and calcine removing template, wash, be dried to obtain again
Close aeroge.
2, the present invention is uniformly born by the way that graphene aerogel is dispersed in the obtained graphene aerogel surface of reaction in silicon source
Ferrosilite is carried, then complex sintered with ceramic powders, the absorption filtering material of high opening rate, adsorption capacity can be made using template
By force, composite material is strengthened to the adsorption effect of ozone molecule and parachloronitrobenzene, effectively avoids the smelly of current ferrosilite absorption
Oxygen is easy to happen the defect of desorption, improves the purification efficiency of ozone oxidation water.
3, the graphene composite material prepared by the present invention for improving waste purification by ozone efficiency is nontoxic, and dosage is few, to water body
Harm is not generated.
Specific embodiment
In the following, the present invention will be further described in detail by way of specific embodiments, but this should not be interpreted as to the present invention
Range be only limitted to example below.Without departing from the idea of the above method of the present invention, according to ordinary skill
The various replacements or change that knowledge and customary means are made, should be included in the scope of the present invention.
Embodiment 1
(1) silica solution and dimethylformamide composition that example 1:8 weighs graphene aerogel by volume and mass concentration is 12%
Silica solution mixed liquor, ferric phosphate is then added and carries out hydro-thermal reaction, hydro-thermal reaction technique is to be heated to 56 DEG C, stand 7 hours,
280 DEG C are warming up to, the reaction was continued 7 hours, and gel taking-up is dried, and drying process is spray drying, and dry temperature is
46 DEG C, graphene aerogel/ferrosilite composite particles are obtained after drying and grinding；
It (2) be graphene aerogel described in 1:5/ferrosilite composite particles by mass ratio with partial size is that 50nm nano ceramic powder is
Al2O3With ZrO2Mixture infiltrate in organic solvent isopropanol, by high-speed stirred, be configured to slurry；
(3) by the infiltration of porous polymer template in the slurry, porous polymer template is three-dimensional network skeleton structure resin
Based porous materials, skeleton having a size of 0.5 μm, three-dimensional network Skeleton Table face have aperture between 12-20nm mesoporous with
And inside has hole aperture between 0.8-3.2 μm of through hole, takes out after porous polymer template is sufficiently infiltrated, and carries out 890
DEG C high temperature sintering simultaneously calcines removing template, washs, is dried to obtain the composite aerogel that porosity is 86% high adsorption efficiency, tool
Having graphene aerogel load ferrosilite composite particles is core, and nano ceramic powder fastening molding constitutes three-dimensional active network knot
Structure.
Embodiment 2
(1) silica solution and dimethylformamide composition that example 1:8 weighs graphene aerogel by volume and mass concentration is 12%
Silica solution mixed liquor, ferric carbonate is then added and carries out hydro-thermal reaction, hydro-thermal reaction technique is to be heated to 70 DEG C, and it is small to stand 12
When, 260 DEG C are warming up to, the reaction was continued 5 hours, and gel taking-up is dried, and drying process is spray drying, dry temperature
It is 40 DEG C, graphene aerogel/ferrosilite composite particles is obtained after drying and grinding；
It (2) be graphene aerogel described in 1:8/ferrosilite composite particles by mass ratio with partial size is that 10nm nano ceramic powder is
Ni2O3、Al2O3, ZnO mixture mixing, infiltrate in organic solvent ethylene glycol, by high-speed stirred, be configured to slurry；
(3) by the infiltration of porous polymer template in the slurry, porous polymer template is three-dimensional network skeleton structure resin
Based porous materials, skeleton having a size of 0.1 μm, three-dimensional network Skeleton Table face have aperture between 25-40nm mesoporous with
And inside has hole aperture between 0.2-1.1 μm of through hole, takes out after porous polymer template is sufficiently infiltrated, and carries out 700
DEG C high temperature sintering simultaneously calcines removing template, washs, is dried to obtain the composite aerogel that porosity is 93% high adsorption efficiency, tool
Having graphene aerogel load ferrosilite composite particles is core, and nano ceramic powder fastening molding constitutes three-dimensional active network knot
Structure.
Embodiment 3
(1) example 1:2 weighs graphene aerogel by volume and mass concentration is the silica solution and dimethylformamide group of 6-12%
At silica solution mixed liquor, the mixture that ferric acetate and ferric oxalate is then added carries out hydro-thermal reaction, hydro-thermal reaction technique be plus
Heat stands 2 hours, is warming up to 300 DEG C to 50 DEG C, and the reaction was continued 8 hours, and gel taking-up is dried, and drying process is spray
Mist is dry, and dry temperature is 65 DEG C, and graphene aerogel/ferrosilite composite particles are obtained after drying and grinding；
(2) mass ratio is graphene aerogel described in 1:3/ferrosilite composite particles and partial size is 100nm nano ceramic powder
For ZrO2Infiltration, by high-speed stirred, is configured to slurry in organic solvent azone；
(3) by the infiltration of porous polymer template in the slurry, porous polymer template is three-dimensional network skeleton structure resin
Based porous materials, skeleton having a size of 1.0 μm, three-dimensional network Skeleton Table face have aperture between 45-50nm mesoporous with
And inside has hole aperture between 0.5 μm -1.0 μm of through hole, takes out after porous polymer template is sufficiently infiltrated, and carries out
700-890 DEG C of high temperature sintering simultaneously calcines removing template, washs, is dried to obtain the compound airsetting that porosity is 84% high adsorption efficiency
Glue, is core with graphene aerogel load ferrosilite composite particles, and nano ceramic powder fastening molding constitutes three-dimensional living
Property network structure.
Embodiment 4
(1) example 1:6 weighs graphene aerogel by volume and mass concentration is the silica solution and dimethylformamide group of 6-12%
At silica solution mixed liquor, then be added ferric phosphate, ferric carbonate, ferric oxalate mixture carry out hydro-thermal reaction, hydro-thermal reaction work
Skill is to be heated to 54 DEG C, stands 10 hours, is warming up to 280 DEG C, and the reaction was continued 7 hours, gel taking-up is dried, back tender
Skill is spray drying, and dry temperature is 63 DEG C, and graphene aerogel/ferrosilite composite particles are obtained after drying and grinding；
(2) mass ratio is graphene aerogel described in 1:3-8/ferrosilite composite particles and partial size is 100nm nano-ceramic powder
Last ZnO, Nb2O5、CaO、Y2O3Mixture infiltrate in organic solvent N- ethyl pyrrolidone, by high-speed stirred, be configured to
Slurry；
(3) by the infiltration of porous polymer template in the slurry, porous polymer template is three-dimensional network skeleton structure resin
Based porous materials, skeleton having a size of 0.8 μm, three-dimensional network Skeleton Table face have aperture between 5nm-10nm mesoporous with
And inside has hole aperture between 2.0 μm -3.0 μm of through hole, takes out after porous polymer template is sufficiently infiltrated, and carries out
790 DEG C of high temperature sinterings simultaneously calcine removing template, wash, are dried to obtain the composite aerogel that porosity is 89% high adsorption efficiency,
It is core with graphene aerogel load ferrosilite composite particles, nano ceramic powder fastening molding constitutes three-dimensional active network
Structure.
Embodiment 5
(1) silica solution and dimethylformamide composition that example 1:4 weighs graphene aerogel by volume and mass concentration is 10%
Silica solution mixed liquor, ferric oxalate is then added and carries out hydro-thermal reaction, hydro-thermal reaction technique is to be heated to 54 DEG C, stand 4 hours,
It is warming up to 260-300 DEG C, the reaction was continued 8 hours, and gel taking-up is dried, and drying process is spray drying, dry temperature
Degree is 63 DEG C, and graphene aerogel/ferrosilite composite particles are obtained after drying and grinding；
It (2) be graphene aerogel described in 1:5/ferrosilite composite particles by mass ratio with partial size is that 95nm nano ceramic powder is
Ni2O3、Al2O3、ZnO、CaO、ZrO2Mixture infiltrate in organic solvent ethylene glycol, by high-speed stirred, be configured to slurry；
(3) by the infiltration of porous polymer template in the slurry, porous polymer template is three-dimensional network skeleton structure resin
Based porous materials, skeleton have aperture between the mesoporous of 12nm-20nm having a size of 0.8 μm, in three-dimensional network Skeleton Table face
And inside has hole aperture between 4.2 μm -5.0 μm of through hole, takes out after porous polymer template is sufficiently infiltrated, and carries out
850 DEG C of high temperature sinterings simultaneously calcine removing template, wash, are dried to obtain the composite aerogel that porosity is 87% high adsorption efficiency,
It is core with graphene aerogel load ferrosilite composite particles, nano ceramic powder fastening molding constitutes three-dimensional active network
Structure.
Comparative example 1
(1) the silica solution mixed liquor for the silica solution and dimethylformamide composition for being 10% by mass concentration, is then added ferric oxalate
Hydro-thermal reaction is carried out, hydro-thermal reaction technique is to be heated to 54 DEG C, stands 4 hours, is warming up to 260-300 DEG C, and it is 8 small that the reaction was continued
When, gel taking-up is dried, drying process is spray drying, and dry temperature is 63 DEG C, and silicic acid is obtained after drying and grinding
Iron；
(2) mass ratio is ferrosilite described in 1:5 and partial size be 95nm nano ceramic powder is Ni2O3、Al2O3、ZnO、CaO、
ZrO2Mixture infiltrate in organic solvent ethylene glycol, by high-speed stirred, be configured to slurry；
(3) by the infiltration of porous polymer template in the slurry, porous polymer template is three-dimensional network skeleton structure resin
Based porous materials, skeleton have aperture between the mesoporous of 12nm-20nm having a size of 0.8 μm, in three-dimensional network Skeleton Table face
And inside has hole aperture between 4.2 μm -5.0 μm of through hole, takes out after porous polymer template is sufficiently infiltrated, and carries out
850 DEG C of high temperature sinterings simultaneously calcine removing template, wash, are dried to obtain the composite aerogel that porosity is 87% high adsorption efficiency.
The composite material that embodiment 1-5, comparative example 1 obtain is used for the service hoisting ozone purification water in ozone purification water
Efficiency.Composite material 500mg is put into 1L chloronitrobenzene sewage, 500ml ozone is passed through, magnetic stirring apparatus is opened, in perseverance
Under conditions of warm (20 DEG C), after stirring 1h, test to parachloronitrobenzene removal rate.As shown in table 1.
Table 1:
Claims (9)
1. a kind of graphene composite material for improving waste purification by ozone efficiency, which is characterized in that the composite aerogel is with stone
The black aerogel carried ferrosilite composite particles of alkene are core material, are fastened and are formed by nano ceramic powder, constitute three-dimensional activity
Network, wherein the porosity of the composite material is 80-93%, the partial size of the nano ceramic powder is 10-100nm.
2. a kind of graphene composite material for improving waste purification by ozone efficiency according to claim 1, which is characterized in that
The nano ceramic powder is Ni2O3、Al2O3、ZnO、Nb2O5、SnO2、CaO、Y2O3、ZrO2One or more of
Mixture.
3. a kind of preparation method of graphene composite material for improving waste purification by ozone efficiency as claimed in claim 1 or 2,
It is characterized in that, using graphene aerogel for carrier, by surface uniform load ferrosilite, then mixed with ceramic powders,
By high temperature sintering, obtain composite aerogel, it is specific the preparation method is as follows:
(1) example 1:2-8 weighs graphene aerogel and silicon source solution by volume, and source of iron is then added, and carries out hydro-thermal reaction, will
Gel takes out, and obtains graphene aerogel/ferrosilite composite particles after drying and grinding；Source of iron additional amount forms silicon with silicon source completely
Subject to sour iron；
(2) graphene aerogel/ferrosilite composite particles are mixed with the nano ceramic powder, is infiltrated in organic solvent
In, by high-speed stirred, it is configured to slurry；
(3) it by the infiltration of porous polymer template in the slurry, is sufficiently taken out after infiltration, carries out 700-890 DEG C of high temperature sintering
And removing template is calcined, it washs, be dried to obtain composite aerogel.
4. a kind of preparation method of graphene composite material for improving waste purification by ozone efficiency according to claim 3,
It is characterized in that, the source of iron is the mixture of one or more of ferric phosphate, ferric carbonate, ferric acetate, ferric oxalate.
5. a kind of preparation method of graphene composite material for improving waste purification by ozone efficiency according to claim 3,
It is characterized in that, the silicon source solution is silica solution and dimethylformamide mixed liquor, wherein the mass concentration of silica solution is 6-
12%。
6. a kind of preparation method of graphene composite material for improving waste purification by ozone efficiency according to claim 3,
It is characterized in that, hydro-thermal reaction technique described in step (1) is to be heated to 50-70 DEG C, 2-12 hours are stood, then uses poly- four
Vinyl fluoride sealing, is warming up to 260-300 DEG C, the reaction was continued 5-8 hours.
7. a kind of preparation method of graphene composite material for improving waste purification by ozone efficiency according to claim 3,
It is characterized in that, drying process described in step (1) is spray drying, dry temperature is 40-65 DEG C.
8. a kind of preparation method of graphene composite material for improving waste purification by ozone efficiency according to claim 3,
It is characterized in that, in step (2), the graphene aerogel/ferrosilite composite particles and nano ceramic powder quality
Than for 1:3-8, the organic solvent is isopropanol, ethylene glycol, N-Methyl pyrrolidone, N- ethyl pyrrolidone, N- octyl pyrrole
One of pyrrolidone, azone.
9. a kind of preparation method of graphene composite material for improving waste purification by ozone efficiency according to claim 3,
It is characterized in that, step (3) the porous polymer template is three-dimensional network skeleton structure resin based porous materials, skeleton size
It is 0.1-1.0 μm, there is hole hole between the mesoporous of 2nm-50nm and inside with aperture in three-dimensional network Skeleton Table face
Diameter is between 0.2 μm -5.0 μm of through hole.
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| CN109876769A (en) * | 2019-01-18 | 2019-06-14 | 闽南师范大学 | A kind of graphene oxide-yttrium hydroxide composite material, preparation method and applications |
| CN114797865A (en) * | 2022-03-31 | 2022-07-29 | 南京工业大学 | Fenton-like composite catalyst membrane material and preparation method and application thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109876769A (en) * | 2019-01-18 | 2019-06-14 | 闽南师范大学 | A kind of graphene oxide-yttrium hydroxide composite material, preparation method and applications |
| CN114797865A (en) * | 2022-03-31 | 2022-07-29 | 南京工业大学 | Fenton-like composite catalyst membrane material and preparation method and application thereof |
| CN114797865B (en) * | 2022-03-31 | 2023-06-13 | 南京工业大学 | Fenton-like composite catalyst membrane material and preparation method and application thereof |
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