CN107674727A - A kind of preparation method of calcium oxygen carrier - Google Patents
A kind of preparation method of calcium oxygen carrier Download PDFInfo
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- CN107674727A CN107674727A CN201710888885.7A CN201710888885A CN107674727A CN 107674727 A CN107674727 A CN 107674727A CN 201710888885 A CN201710888885 A CN 201710888885A CN 107674727 A CN107674727 A CN 107674727A
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- oxygen carrier
- ardealite
- calcium
- preparation
- calcium oxygen
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- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000000243 solution Substances 0.000 claims abstract description 11
- 150000001879 copper Chemical class 0.000 claims abstract description 9
- 235000011837 pasties Nutrition 0.000 claims abstract description 9
- 239000012266 salt solution Substances 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims abstract description 9
- 239000000843 powder Substances 0.000 claims abstract description 7
- 238000001354 calcination Methods 0.000 claims description 9
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 abstract description 35
- 238000006243 chemical reaction Methods 0.000 abstract description 25
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 19
- 239000001301 oxygen Substances 0.000 abstract description 19
- 229910052760 oxygen Inorganic materials 0.000 abstract description 19
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical group [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract description 8
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 7
- 239000002994 raw material Substances 0.000 abstract description 3
- 239000002905 metal composite material Substances 0.000 abstract 1
- 238000011156 evaluation Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 16
- 239000011575 calcium Substances 0.000 description 7
- 229910052791 calcium Inorganic materials 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 5
- 229910052602 gypsum Inorganic materials 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000010440 gypsum Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229960004424 carbon dioxide Drugs 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000006071 cream Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910001593 boehmite Inorganic materials 0.000 description 1
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000003077 lignite Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000003516 soil conditioner Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L10/00—Use of additives to fuels or fires for particular purposes
Abstract
The present invention discloses a kind of preparation method of calcium oxygen carrier, belongs to chemical chain technical field.The oxygen carrier is the ardealite metal composite oxide for having calcium structure；Take the mesh ardealite of phosphorous chemical industry accessory substance ardealite 80 200, it is 0.05 1mol/L copper salt solutions that ardealite powder is added into concentration in 300g/L ratio, hereafter put it into 80 95 DEG C of water-bath and be stirred, the pH value of solution is adjusted to 89, canescence ardealite is treated in blueness and stops stirring in the pasty state；It is 7 to filter and be washed with deionized to pH, and filter residue is put into the baking oven that temperature is 100 120 DEG C and dried, and places into temperature and obtains calcium oxygen carrier to be calcined 24 hours in 550 700 DEG C of Muffle furnace.The preparation technology of oxygen carrier of the present invention is simple, and device therefor and raw material type are less, and the calcium oxygen carrier prepared has that reaction temperature is low, and stability is good, and cost is low, the advantages that suitable for commercial Application.
Description
Technical field
The present invention relates to a kind of preparation method of calcium oxygen carrier, relates in particular to a kind of oxygen carrier of chemical chain technology
Preparation method, belong to chemical chain technical field.
Background technology
Ardealite is the accessory substance of Wet-process phosphoric acid (WPPA) process, and main composition is gypsum (CaSO4·2H2O).At present, state
The inside and outside disposal to ardealite is basic using abandoned piles or by the way of being directly discharged into sea, cause the serious wasting of resources and
Bring many potential environmental hazards.Though having in recent years, some improve but effect is still undesirable, the comprehensive utilization of ardealite into
For phosphorous chemical industry enterprise and environmental protection department big problem urgently to be resolved hurrily.It is main to the recycling mode of ardealite both at home and abroad
It is to be used for the construction materials such as brickmaking, plate, production co-producing cement, cement retarder, soil conditioner etc., these recycling sides
The added value of formula is relatively low.As patent of invention CN103435319A is disclosed using ardealite base high-strength light building block and its production work
Skill, the apparent density that gypsum base high-strength light building block is made using ardealite are not higher than 1000kg/m3, strength grade reaches MU10
More than, coefficient of softing is not less than 0.3；Patent of invention CN105088347A is disclosed one kind and prepared using solid waste phosphogypsum
The method of crystal whisker of gypsum, the patent prepare crystal whisker of gypsum using one-step method, ardealite is washed, centrifugal dehydration, in lime
Pre-processed with processing, then be blended in glycerin solution according to certain ratio in tube furnace and calcined to obtain half water stone
Cream whisker；Patent of invention CN101830682A discloses a kind of motar prepared using building waste and ardealite, is one
Kind substitutes the method that cement prepares motar using construction waste powder；Patent of invention CN102659377A discloses one kind
Heat preservation energy-saving composite phase change energy-storing plasterboard and preparation method thereof is prepared using ardealite.
Chemical chain technology is a kind of brand-new combustion technology, it is possible to achieve high efficiency, low cost.Chemical chain technology includes chemistry
Chain gasification（Using coal as preparation of fuel CO and H2For the synthesis gas of main component）, burning chemistry chains（Fill the fuel such as CO or coal
Point burning generation water and carbon dioxide, by water cooling so as to realizing CO2Trapping）, chemical chain reform（With CH4For preparation of fuel
H2Based on gas）.Patent application 201610430043.2 discloses ardealite and prepares synthesis gas with lignite chemical chain reaction
Method, wherein individually using ardealite, for oxygen carrier, chemical chain reaction temperature is up to 950 DEG C.Patent of invention
201210105301.1 disclose a kind of method that composite oxygen carrier is prepared using perovskite, and the oxygen carrier is applied into chemistry
Chain reform methane, hydrogen during, calcium correct one's mistakes journey chemical chain reaction temperature be 900 DEG C.Patent of invention 201410422416.2
It is oxygen carrier body material that one kind, which is disclosed, using calcium sulfate, with boehmite, Ludox etc. for inert component, by calcium sulfate
Powder, inert component and suitable quantity of water are added in ball mill, are sufficiently mixed, and are obtained by extrusion forming, drying and calcination process
To the strip calcium oxygen carrier with certain mechanical strength.The preparation process of the calcium oxygen carrier is more complicated.Therefore one kind is found to prepare
Method is easy, and reaction temperature is low in chemical chain process.
The content of the invention
The technical problem to be solved in the present invention is：Existing calcium oxygen carrier reaction temperature in chemical chain process is high, preparation side
Method is more complicated.
It is an object of the invention to provide a kind of preparation method of calcium oxygen carrier, following steps are specifically included：
（1）Ardealite powder is added to concentration in 0.05-1mol/L copper salt solutions, then to be put in 300g/L ratio
The pH value for being stirred in 80-95 DEG C of water-bath and solution being adjusted with ammoniacal liquor is adjusted to 8-9, is sufficiently stirred and treats canescence phosphorus stone
Cream is in uniformly blueness and solution stops stirring in the pasty state.
（2）By step（1）It is 7 that obtained mixture, which is filtered and is washed with deionized to pH, is put into after filter residue is dried
550-700 DEG C of calcining 2-4 hour obtains calcium oxygen carrier in Muffle furnace.
Preferably, the particle diameter of ardealite powder of the present invention is 80-200 mesh.
Preferably, step of the present invention（2）The temperature of middle drying is 100-120 DEG C.
The calcium carrier of oxygen that the method for the invention is prepared can use chemical chain gasification preparing synthetic gas, and burning chemistry chains are caught
Collect CO2Reformed with chemical chain and prepare H2Deng field.
Beneficial effects of the present invention：
（1）The method of the invention technique is simple, and using phosphorous chemical industry waste ardealite as raw material, raw material is easy to get, cheap, saves
Cost of material.
（2）Calcium oxygen carrier prepared by the method for the invention individually does oxygen carrier relative to existing oxygen carrier and ardealite
Body, have the advantages that greater activity is high, reaction temperature is low, stability is good in the reaction of chemical chain technology.
Brief description of the drawings
Fig. 1 is calcium oxygen carrier and the evaluation figure of CO burning chemistry chains reaction in embodiment 6；
Fig. 2 is 120 mesh ardealite oxygen carriers and the evaluation figure of CO burning chemistry chains reaction.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but protection scope of the present invention is simultaneously
It is not limited to the content.
Embodiment 1
0.05mol/L copper salt solution is added according to 300g/L ratio, hereafter puts it into 95 DEG C of water-bath and is stirred,
PH value is adjusted to 8.5 by solution with ammoniacal liquor, canescence ardealite is treated in uniformly blueness and stops stirring in the pasty state, filter and spend
Ion water washing is 7 to pH, and filter residue is put into the baking oven of 110 DEG C of baking oven and dried, then puts it into 550 DEG C of calcinings in Muffle furnace
Obtain calcium oxygen carrier within 4 hours.
Calcium oxygen carrier evaluation test：Carried out in DTA differential thermal analyser, the calcium oxygen carrier for taking 10mg the present embodiment to be prepared,
It is passed through high-purity CO（99.999%）, flow set 50mL/min, 1200 DEG C are raised to from room temperature with 5 DEG C/min heating rate, CO
900 DEG C of end since 710 DEG C with calcium oxygen carrier chemical chain reaction.
Embodiment 2
The mesh ardealite of phosphorous chemical industry accessory substance ardealite 80 is added to 0.1mol/L copper salt solution according to 300g/L ratio；Hereafter
Put it into 80 DEG C of water-bath and be stirred, pH value is adjusted to 9 with ammoniacal liquor, treat canescence ardealite in uniformly blueness and be in
Pasty state stops stirring, and it is 7 to filter and be washed with deionized to pH, and filter residue is put into the baking oven of 105 DEG C of baking oven and dried, then is put
Enter 700 DEG C of calcinings in Muffle furnace and obtain calcium oxygen carrier in 2 hours.
Calcium oxygen carrier evaluation test：Carried out in DTA differential thermal analyser, the calcium oxygen carrier for taking 10mg the present embodiment to be prepared,
It is passed through high-purity CO（99.999%）, flow set 50mL/min, 1200 DEG C are raised to from room temperature with 5 DEG C/min heating rate, CO
890 DEG C of end since 700 DEG C with calcium oxygen carrier chemical chain reaction.
Embodiment 3
The mesh ardealite of phosphorous chemical industry accessory substance ardealite 100 is added to 0.25mol/L copper salt solution according to 300g/L ratio.This
Put it into 85 DEG C of water-bath and be stirred afterwards, the pH value of solution is adjusted to 8.9 with ammoniacal liquor, treat canescence ardealite in equal
Even blueness simultaneously stops stirring in the pasty state；It is 7 to filter and be washed with deionized to pH, and filter residue is put into the baking oven of 120 DEG C of baking oven
Middle drying, place into 650 DEG C of calcinings in Muffle furnace and obtain calcium oxygen carrier in 3 hours.
Calcium oxygen carrier evaluation test：Carried out in DTA differential thermal analyser, the calcium oxygen carrier for taking 10mg the present embodiment to be prepared,
It is passed through high-purity CO（99.999%）, flow set 50mL/min, 1200 DEG C are raised to from room temperature with 5 DEG C/min heating rate, CO
871 DEG C of end since 690 DEG C with calcium oxygen carrier chemical chain reaction.
Embodiment 4
The mesh ardealite of phosphorous chemical industry accessory substance ardealite 200 is added to 0.5mol/L copper salt solution according to 300g/L ratio, added
Deionized water 20mL；Hereafter put it into 90 DEG C of water-bath and be stirred, the pH value of solution is adjusted to 8.3 with ammoniacal liquor, treated
Canescence ardealite is in uniformly blueness and stops stirring in the pasty state；It is 7 to filter and be washed with deionized to pH, and filter residue is put into
Dried in the baking oven that 110 DEG C of baking oven, place into 590 DEG C of calcinings in Muffle furnace and obtain calcium oxygen carrier in 3 hours.
Calcium oxygen carrier evaluation test：Carried out in DTA differential thermal analyser, the calcium oxygen carrier for taking 10mg the present embodiment to be prepared,
It is passed through high-purity CO（99.999%）, flow set 50mL/min, 1200 DEG C are raised to from room temperature with 5 DEG C/min heating rate, CO
850 DEG C of end since 699 DEG C with calcium oxygen carrier chemical chain reaction.
Embodiment 5
The mesh ardealite of phosphorous chemical industry accessory substance ardealite 100 is added to 0.75mol/L copper salt solution according to 300g/L ratio.This
Put it into 86 DEG C of water-bath and be stirred afterwards, the pH value of solution is adjusted to 8.5 with ammoniacal liquor, treat canescence ardealite in equal
Even blueness simultaneously stops stirring in the pasty state；It is 7 to filter and be washed with deionized to pH, and filter residue is put into the baking oven of 120 DEG C of baking oven
Middle drying, place into 570 DEG C of calcinings in Muffle furnace and obtain calcium oxygen carrier in 3 hours.
Calcium oxygen carrier evaluation test：Carried out in DTA differential thermal analyser, the calcium oxygen carrier for taking 10mg the present embodiment to be prepared,
It is passed through high-purity CO（99.999%）, flow set 50mL/min, 1200 DEG C are raised to from room temperature with 5 DEG C/min heating rate, CO
840 DEG C of end since 680 with calcium oxygen carrier chemical chain reaction.
Embodiment 6
The mesh ardealite of phosphorous chemical industry accessory substance ardealite 120 is added to 1mol/L copper salt solution according to 300g/L ratio.Hereafter
Put it into 93 DEG C of water-bath and be stirred, the pH value of solution is adjusted to 8 with ammoniacal liquor, treat canescence ardealite in uniformly blue
Color simultaneously stops stirring in the pasty state；It is 7 to filter and be washed with deionized to pH, and filter residue is put into the baking oven of 120 DEG C of baking oven and dried
It is dry, place into 620 DEG C of calcinings in Muffle furnace and obtain calcium oxygen carrier in 2 hours.
Calcium oxygen carrier evaluation test：Carry out, the calcium oxygen carrier for taking 10mg the present embodiment to obtain, lead in DTA differential thermal analyser
Enter high-purity CO（99.999%）, flow set 50mL/min, 1200 DEG C are raised to from room temperature with 5 DEG C/min heating rate, performance
Evaluation result is shown in Fig. 1；Using conventional ardealite particle as oxygen carrier, remaining condition and the calcium oxygen carrier evaluation test condition phase
Together, Evaluation results are shown in Fig. 2.
Fig. 1 is CO and calcium oxygen carrier precursor reactant evaluation figure, from figure 1 it appears that CO and calcium oxygen carrier chemical chain reaction
In dash area, i.e., 689 DEG C start 835 DEG C of end；Fig. 2 is CO and evaluation figure of the ardealite as oxygen carrier precursor reactant, from figure
It can be seen that in the conversion zone that dash area is CO and ardealite oxygen carrier, the reaction is since 875 DEG C.The calcium oxygen carrier this
Relative to individually reaction temperature is greatly reduced by the use of ardealite as oxygen carrier, be advantageous to low temperature and carry out two using the calcium oxygen carrier
The trapping of carbonoxide.
The performance evaluation for the calcium oxygen carrier being prepared in embodiment 1 ~ 6：
Carried out in tube furnace, take calcium oxysome 10g, fuel gas is carbon monoxide（10vol% CO, 90vol% N2）, flow is
200mL/min reaction temperatures are 700 DEG C, and reaction pressure is normal pressure, switch to nitrogen after reducing 30min, temperature is maintained at 750
DEG C, it is incubated 30min；Then pass to anhydrous air（25vol% O2, 75 vol%N2）, flow 200mL/min, temperature is maintained at
750℃；After reacting 30min, then nitrogen is switched to, temperature keeps constant；Fuel gas is passed through again, and reaction condition is anti-with above-mentioned reduction
Should be consistent；Using type gas-chromatography on-line analysis, using conventional ardealite particle as calcium oxygen carrier, remaining condition and calcium
Oxygen carrier evaluation test condition is identical.Evaluation results are shown in Table.By table it can be seen that being used as CO by the use of calcium base load oxygen at 750 DEG C
Burning chemistry chains ten conversion ratios average value both relative to ardealite separately as oxygen carrier when it is high.The calcium base load oxysome
This is advantageous to low temperature and entered using the calcium base load oxysome relative to individually reaction temperature is greatly reduced by the use of ardealite as oxygen carrier
The trapping of row carbon dioxide；And reactivity is higher.
* CO conversion ratio is the circulation average value of ten times.
Claims (3)
1. a kind of preparation method of calcium oxygen carrier, it is characterised in that specifically include following steps：
（1）It is in 0.05-1mol/L copper salt solutions that ardealite powder is added into concentration in 300g/L ratio, is then placed on
The pH value for being stirred in 80-95 DEG C of water-bath and solution being adjusted with ammoniacal liquor is adjusted to 8-9, is sufficiently stirred and treats canescence ardealite
Stop stirring in the pasty state in uniform blueness and solution；
（2）By step（1）It is 7 that obtained mixture, which is filtered and is washed with deionized to pH, and filter residue is put into baking oven and dried
Temperature is put into afterwards obtains calcium oxygen carrier for calcining 2-4 hours in 550-700 DEG C of Muffle furnace.
2. the preparation method of calcium oxygen carrier according to claim 1, it is characterised in that：The particle diameter of the ardealite powder is
80-200 mesh.
3. the preparation method of calcium oxygen carrier according to claim 1, it is characterised in that：Step（2）The temperature of middle drying is
100-120℃。
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| CN201710888885.7A CN107674727A (en) | 2017-09-27 | 2017-09-27 | A kind of preparation method of calcium oxygen carrier |
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| CN201710888885.7A CN107674727A (en) | 2017-09-27 | 2017-09-27 | A kind of preparation method of calcium oxygen carrier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112011377A (en) * | 2020-07-23 | 2020-12-01 | 桂林电子科技大学 | System and method for preparing high-calorific-value synthesis gas through calcium-based chemical-looping gasification for carbon-containing fuel |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102277217A (en) * | 2011-05-06 | 2011-12-14 | 东南大学 | Composite oxygen carrier particles and preparation method thereof |
| CN104119984A (en) * | 2014-08-07 | 2014-10-29 | 南京理工大学 | Calcium-containing copper-based composite oxygen carrier and preparation method thereof |
| CN106753565A (en) * | 2017-01-09 | 2017-05-31 | 昆明理工大学 | A kind of method that utilization ardealite prepares synthesis gas |
| US20170263863A1 (en) * | 2016-03-14 | 2017-09-14 | Macronix International Co., Ltd. | Phase change memory having a composite memory element |
-
2017
- 2017-09-27 CN CN201710888885.7A patent/CN107674727A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102277217A (en) * | 2011-05-06 | 2011-12-14 | 东南大学 | Composite oxygen carrier particles and preparation method thereof |
| CN104119984A (en) * | 2014-08-07 | 2014-10-29 | 南京理工大学 | Calcium-containing copper-based composite oxygen carrier and preparation method thereof |
| US20170263863A1 (en) * | 2016-03-14 | 2017-09-14 | Macronix International Co., Ltd. | Phase change memory having a composite memory element |
| CN106753565A (en) * | 2017-01-09 | 2017-05-31 | 昆明理工大学 | A kind of method that utilization ardealite prepares synthesis gas |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112011377A (en) * | 2020-07-23 | 2020-12-01 | 桂林电子科技大学 | System and method for preparing high-calorific-value synthesis gas through calcium-based chemical-looping gasification for carbon-containing fuel |
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