CN106925243A - A kind of microwave ultrasonic wave combines the methods and applications for preparing compound adsorbent - Google Patents
A kind of microwave ultrasonic wave combines the methods and applications for preparing compound adsorbent Download PDFInfo
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- CN106925243A CN106925243A CN201710195316.4A CN201710195316A CN106925243A CN 106925243 A CN106925243 A CN 106925243A CN 201710195316 A CN201710195316 A CN 201710195316A CN 106925243 A CN106925243 A CN 106925243A
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- active carbon
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- 239000003463 adsorbent Substances 0.000 title claims abstract description 30
- 150000001875 compounds Chemical class 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 56
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000002699 waste material Substances 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 18
- 239000011259 mixed solution Substances 0.000 claims abstract description 15
- FYDKNKUEBJQCCN-UHFFFAOYSA-N lanthanum(3+);trinitrate Chemical compound [La+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O FYDKNKUEBJQCCN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000000889 atomisation Methods 0.000 claims abstract description 7
- 239000007864 aqueous solution Substances 0.000 claims abstract description 6
- 239000003595 mist Substances 0.000 claims abstract description 6
- 239000011737 fluorine Substances 0.000 claims description 9
- 229910052731 fluorine Inorganic materials 0.000 claims description 9
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 4
- 229910052742 iron Inorganic materials 0.000 abstract description 2
- 229910052746 lanthanum Inorganic materials 0.000 abstract description 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract description 2
- 239000000779 smoke Substances 0.000 abstract description 2
- 238000001179 sorption measurement Methods 0.000 description 10
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 8
- 239000000975 dye Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 239000002351 wastewater Substances 0.000 description 7
- RBTBFTRPCNLSDE-UHFFFAOYSA-N 3,7-bis(dimethylamino)phenothiazin-5-ium Chemical compound C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 RBTBFTRPCNLSDE-UHFFFAOYSA-N 0.000 description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 5
- 229960000907 methylthioninium chloride Drugs 0.000 description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000003651 drinking water Substances 0.000 description 3
- 235000020188 drinking water Nutrition 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000006115 defluorination reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000003891 ferrous sulphate Nutrition 0.000 description 2
- 239000011790 ferrous sulphate Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 2
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 206010049797 Calcification of muscle Diseases 0.000 description 1
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 239000012028 Fenton's reagent Substances 0.000 description 1
- 206010017577 Gait disturbance Diseases 0.000 description 1
- 241001139313 Linmingia china Species 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000980 acid dye Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000000987 azo dye Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical class [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 208000004042 dental fluorosis Diseases 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000002384 drinking water standard Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution 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
- 239000000725 suspension Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
-
- 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
- B01J20/0203—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
- B01J20/0274—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 characterised by the type of anion
- B01J20/0296—Nitrates of compounds other than those provided for in B01J20/04
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4875—Sorbents characterised by the starting material used for their preparation the starting material being a waste, residue or of undefined composition
-
- 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
- C02F2101/10—Inorganic compounds
- C02F2101/12—Halogens or halogen-containing compounds
- C02F2101/14—Fluorine or fluorine-containing compounds
-
- 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
- C02F2101/308—Dyes; Colorants; Fluorescent agents
-
- 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
- C02F2101/36—Organic compounds containing halogen
-
- 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
- C02F2101/38—Organic compounds containing nitrogen
-
- 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
- C02F2101/40—Organic compounds containing sulfur
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Water Treatment By Sorption (AREA)
Abstract
Combine the methods and applications for preparing compound adsorbent the present invention relates to a kind of microwave ultrasonic wave, belong to technical field of material.Waste active carbon is added to the water first be placed in ultrasonic environment and processed, pretreatment waste active carbon is dried to obtain after the completion for the treatment of；It is the mixed solution of 0.5mol/L that ferric nitrate and lanthanum nitrate are added sequentially to form concentration in the aqueous solution, mixed solution is placed in ultrasonic atomization generator, will pretreatment waste active carbon be placed in micro-wave oven, mist flow be 1~5ml/min, temperature be 600~900 DEG C under the conditions of be calcined 10~30min prepare Fe La compound adsorbents.The present invention with discarded activated carbon be raw material, in the microwave field using ultrasonic wave by the ferric nitrate of different mol ratio and lanthanum nitrate mixed solution with water smoke in the form of to discarding activated carbon loaded iron and lanthanum so as to obtain Fe La compound adsorbents.The method has accomplished to turn waste into wealth, and realizes recycling for discarded object, is conducive to alleviating the pressure of resource and environment, with superior economy and ecological benefits.
Description
Technical field
Combine the methods and applications for preparing compound adsorbent the present invention relates to a kind of microwave ultrasonic wave, belong to material and prepare skill
Art field.
Background technology
Activated carbon is widely used to because of its huge specific surface area, flourishing pore structure and extremely strong adsorption capacity
The multiple fields such as chemical industry, pharmacy, environmental protection.With the development of human society, the consumption of activated carbon is increasing, and produced is useless
Abandon activated carbon more and more, and if do not processed effectively using rear, severe contamination easily is caused to surrounding enviroment.Such as
, using discarded activated carbon, presently mainly regenerating waste activated carbon recovers its absorption property, although this way is in certain journey for what
Recycled discarded activated carbon on degree, but comparatively its surcharge is than relatively low.Therefore other are found suitable
Method it is significant to improve the comprehensive utilization of resources efficiency of discarded activated carbon.
Waste water from dyestuff is the waste water that printworks is produced in economical production and discharges.According to relevant at present
And public data, per one ton of processing, 100 200 tons of textile product water consumption, wherein will be turned into the 80% to 90% of water
Waste water.The main feature of poisonous and hazardous waste water from dyestuff is water big, destructive strong, and alkalescence is big etc., in belonging to industrial wastewater
Difficult type, the one of the main reasons as currently associated regional contaminated wastewater.Dyestuff in waste water can absorb light, drop
Low water transparency, influences aquatile and growth of microorganism, is unfavorable for the self-purification of water, while easily causing visual pollution.
The water body of severe contamination influences whether the health of the mankind.Therefore, the discharge to dyestuff must be controlled strictly, especially to those poison
The serious dyestuff of evil, such as phthalocyanine bronze salt-dye and some azo dyes.
Fluorine is one of the essential trace elements of the human body, and the tooth and bone to human body are formed, Ca,P metabolism and internal enzyme
System has important physiological action.But slow poisoning be can cause when fluorine excess intake, den tal fluorosis, severe patient even meeting caused
Cause textured bone, pain, anchylosis, the calcification of muscle key, difficulty in walking, so that paralysis.In order to prevent and reducing fluorine disease hair
Raw rate, the Oil repellent in control drinking water is very necessary.In the drinking water standard of the World Health Organization (WHO) suggestion, fluorine
The concentration of compound is no more than 1.5mg/L.China exists《Standards for drinking water quality》(GB5949-2006) clear stipulaties in：
Content of fluoride standard is not higher than 1.0mg/L in drinking water.
Therefore, find adsorption efficiency it is high, adsorption capacity is big, new adsorbent with low cost be used for waste water in dyestuff and
Fluorine has turned into domestic and international important subject while having certain realistic meaning.
Applicant discloses a kind of " hydrothermal modification cotton boll inner casing suction in the patent of the A of Patent No. CN 102430394
The preparation method of attached defluorination material ", it is, with laminar cotton boll inner casing as raw material, to be entered using high-pressure hydrothermal reaction kettle to send elsewhere bright
The thermally-denatured method of water-filling, obtains the cotton boll inner casing adsorption-defluorination material of bronzing flaky solid.Foregoing invention and the present invention
Compare, two is that the invention is only adsorbed to fluorine, and maximal absorptive capacity is only 9.55mg/g.Two is the present invention not only having preferably to fluorine
Adsorption effect, maximal absorptive capacity is 116.32mg/g, and also has preferable adsorption effect to dyestuff methylene blue.
Applicant discloses a kind of Acid Dye Wastewater inorganic agent in the patent of Patent No. 201410114987.X ",
The raw material that the inorganic agent includes is：Aluminium polychloride, ferrous sulfate, active silicic acid, hydrogen peroxide, activated carbon, chlorine dioxide.In room
The lower uniform stirring of temperature all dissolves each component, and 4 DEG C -60 DEG C of temperature in use is suitable to process sour water.The present invention will be by one
Determine the Fenton reagent of ferrous sulfate and the hydrogen peroxide composition of weight, shape is combined with inorganic flocculating agent aluminium polychloride
Into sewage-treating agent host, with active silicic acid as auxiliary agent, three's synergy, rapid subsidence suspension；Activated carbon and titanium dioxide
Chloropexia, Quick disinfection, decolouring purify sewage.Foregoing invention is compared with the present invention：One is that the above method adds in preparation process
Enter various auxiliary reagents, not only make that experimental implementation has become complicated but also so that whole process costs increased；Two is to use
It is discarded activated carbon modified, turns waste into wealth, drastically increases the comprehensive utilization ratio and its surcharge of discarded object.
The content of the invention
For problem and deficiency that above-mentioned prior art is present, it is compound that the present invention provides a kind of microwave ultrasonic wave joint preparation
The methods and applications of adsorbent.The present invention is raw material with discarded activated carbon, and ultrasonic wave is used in microwave field by different mol ratio
Ferric nitrate and lanthanum nitrate mixed solution to discarded activated carbon loaded iron and lanthanum, so as to obtain, Fe-La is compound to be inhaled in the form of water smoke
Attached dose.The method has accomplished to turn waste into wealth, and realizes recycling for discarded object, is conducive to alleviating the pressure of resource and environment,
With superior economy and ecological benefits.The present invention is achieved through the following technical solutions.
A kind of microwave ultrasonic wave combines the method for preparing compound adsorbent, and it is comprised the following steps that：
（1）Waste active carbon is added to the water first be placed in ultrasonic environment and processed, pretreatment is dried to obtain after the completion for the treatment of useless
Activated carbon；
（2）It is 1~5 according to mol ratio by ferric nitrate and lanthanum nitrate：1 is added sequentially to form concentration for 0.5mol/L in the aqueous solution
Mixed solution, mixed solution is placed in ultrasonic atomization generator, will be through step（1）Obtain pretreatment waste active carbon be placed in it is micro-
In ripple stove, mist flow be 1~5ml/min, temperature be 600~900 DEG C under the conditions of be calcined 10~30min prepare Fe-
La compound adsorbents.
The step（1）Middle ultrasonic power is 50~150W.
A kind of Fe-La compound adsorbents are used to adsorb the fluorine in water.
The beneficial effects of the invention are as follows：
（1）This method production technology is very simple, and operation is comparatively simple, and energy consumption is relatively low, with low cost, and pollution-free；
（2）This method takes ultrasonic microwave to combine the mode for preparing compound adsorbent, not only make use of the cavitation of ultrasonic wave to make
With the surface that ferric nitrate and lanthanum nitrate mixed solution are transported to super immixture waste active carbon in the form of ultrasonic atomization,
So that ferric nitrate and lanthanum nitrate are more preferably supported on regenerated carbon；Outward microwave is also used to heat from the inside to surface and different material
The characteristics of wave-absorbing effect is different, the water of ferric nitrate and lanthanum nitrate on rapid evaporation activated carbon allows ferric nitrate and lanthanum nitrate to contract rapidly
Crystalline polyimide, fast decoupled forms loaded article in activated carbon surface；
（3）High efficiency composition adsorbent prepared by this method has up to 1158m2The specific surface area of/g, not only has to methylene blue
Extraordinary adsorption effect, up to 293.71mg/g, but also has good adsorption effect to fluorine ion, up to 93mg/g.
（4）This method not only turns waste into wealth discarded activated carbon, realizes the comprehensive utilization of resources of the discarded object, reduces
The discharge of discarded object, reduces environmental pollution, drastically increases the comprehensive utilization ratio and its surcharge of discarded object.
Brief description of the drawings
Fig. 1 is that the embodiment of the present invention 1 prepares Fe-La compound adsorbent scanning electron microscope (SEM) photographs；
Fig. 2 is that the embodiment of the present invention 1 prepares Fe-La compound adsorbent energy spectrum diagrams.
Specific embodiment
With reference to the accompanying drawings and detailed description, the invention will be further described.
Embodiment 1
The microwave ultrasonic wave combines the method for preparing compound adsorbent, and it is comprised the following steps that：
（1）Waste active carbon is added to the water first be placed in and 30min is processed in ultrasonic environment, pre- place is dried to obtain after the completion for the treatment of
Reason waste active carbon；Wherein ultrasonic power is 150W；
（2）It is 4 according to mol ratio by ferric nitrate and lanthanum nitrate：1 to be added sequentially to form concentration in the aqueous solution be 0.5mol/L's
Mixed solution, mixed solution is placed in ultrasonic atomization generator, will be through step（1）Obtain pretreatment waste active carbon and be placed in microwave
In stove, mist flow be 3.5ml/min, temperature be 850 DEG C under the conditions of be calcined 20min prepare Fe-La compound adsorbents.
Fe-La compound adsorbents scanning electron microscope (SEM) photograph is prepared as shown in figure 1, Fe-La compound adsorbent energy spectrum diagrams are as shown in Figure 2.
The methylene blue value of the Fe-La adsorbents prepared through above-mentioned steps is 293.71mg/g, the adsorption effect of fluorine ion
Up to 93mg/g.
Embodiment 2
The microwave ultrasonic wave combines the method for preparing compound adsorbent, and it is comprised the following steps that：
（1）Waste active carbon is added to the water first be placed in and 30min is processed in ultrasonic environment, pre- place is dried to obtain after the completion for the treatment of
Reason waste active carbon；Wherein ultrasonic power is 50W；
（2）It is 1 according to mol ratio by ferric nitrate and lanthanum nitrate：1 to be added sequentially to form concentration in the aqueous solution be 0.5mol/L's
Mixed solution, mixed solution is placed in ultrasonic atomization generator, will be through step（1）Obtain pretreatment waste active carbon and be placed in microwave
In stove, mist flow be 1ml/min, temperature be 600 DEG C under the conditions of be calcined 30min prepare Fe-La compound adsorbents；
The methylene blue value of the Fe-La adsorbents prepared through above-mentioned steps is 228.46mg/g, and the adsorption effect of fluorine ion is reachable
61 mg/g。
Embodiment 3
The microwave ultrasonic wave combines the method for preparing compound adsorbent, and it is comprised the following steps that：
（1）Waste active carbon is added to the water first be placed in and 30min is processed in ultrasonic environment, pre- place is dried to obtain after the completion for the treatment of
Reason waste active carbon；Wherein ultrasonic power is 100W；
（2）It is 5 according to mol ratio by ferric nitrate and lanthanum nitrate：1 to be added sequentially to form concentration in the aqueous solution be 0.5mol/L's
Mixed solution, mixed solution is placed in ultrasonic atomization generator, will be through step（1）Obtain pretreatment waste active carbon and be placed in microwave
In stove, mist flow be 5ml/min, temperature be 900 DEG C under the conditions of be calcined 10min prepare Fe-La compound adsorbents.
The methylene blue value of the Fe-La adsorbents prepared through above-mentioned steps is 259.07mg/g, the adsorption effect of fluorine ion
Up to 88mg/g.
Specific embodiment of the invention is explained in detail above in association with accompanying drawing, but the present invention be not limited to it is above-mentioned
Implementation method, in the ken that those of ordinary skill in the art possess, can also be before present inventive concept not be departed from
Put that various changes can be made.
Claims (3)
1. a kind of microwave ultrasonic wave combines the method for preparing compound adsorbent, it is characterised in that comprise the following steps that：
（1）Waste active carbon is added to the water first be placed in ultrasonic environment and processed, pretreatment is dried to obtain after the completion for the treatment of useless
Activated carbon；
（2）It is 1~5 according to mol ratio by ferric nitrate and lanthanum nitrate：1 is added sequentially to form concentration for 0.5mol/L in the aqueous solution
Mixed solution, mixed solution is placed in ultrasonic atomization generator, will be through step（1）Obtain pretreatment waste active carbon be placed in it is micro-
In ripple stove, mist flow be 1~5ml/min, temperature be 600~900 DEG C under the conditions of be calcined 10~30min prepare Fe-
La compound adsorbents.
2. microwave ultrasonic wave according to claim 1 combines the method for preparing compound adsorbent, it is characterised in that：The step
Suddenly（1）Middle ultrasonic power is 50~150W.
3. a kind of Fe-La compound adsorbents according to claim 1 and 2 are used to adsorb the fluorine in water.
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| CN116272864A (en) * | 2023-02-24 | 2023-06-23 | 苏州西热节能环保技术有限公司 | Adsorbent for removing mercury and sulfur trioxide in flue gas and preparation method thereof |
| CN117065766A (en) * | 2023-10-16 | 2023-11-17 | 昆明理工大学 | Preparation method of micron-sized sulfonic acid-based solid acid |
| CN117065766B (en) * | 2023-10-16 | 2023-12-26 | 昆明理工大学 | Preparation method of micron-sized sulfonic acid-based solid acid |
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Application publication date: 20170707 |