CN106975440A - A kind of fluorine ion absorber of high adsorption capacity and preparation method thereof - Google Patents
A kind of fluorine ion absorber of high adsorption capacity and preparation method thereof Download PDFInfo
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- CN106975440A CN106975440A CN201710230666.XA CN201710230666A CN106975440A CN 106975440 A CN106975440 A CN 106975440A CN 201710230666 A CN201710230666 A CN 201710230666A CN 106975440 A CN106975440 A CN 106975440A
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- 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
- B01J20/12—Naturally occurring clays or bleaching earth
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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- 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
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Abstract
The present invention relates to a kind of fluorine ion absorber of high adsorption capacity and preparation method thereof, kaolin, sodium hydroxide and deionized water are mixed and are placed in autoclave, under conditions of then stirring, hydro-thermal reaction is carried out at high temperature；Reacted solidliquid mixture filtering, the solid phase after filtering is washed with deionized；Washed product is dried at a temperature of not higher than 80 DEG C, until moisture is removed completely.Fluorine ion absorber prepared by the present invention is nepheline type fluorine ion sorbing material, and the primary chemical composition of the fluorine ion absorber is Al2O3, SiO2, Na2O and H2O, in hexagonal columnar pattern, to fluorine ion adsorbance more than 100mg/g, absorption property is excellent.The preparation technology of nepheline type fluorine ion sorbing material is simple in the present invention, with short production cycle, and controllability is strong, be easy to large-scale industrial production.
Description
Technical field
The invention belongs to sorbing material technical field, and in particular to a kind of fluorine ion absorber of high adsorption capacity and its preparation
Method.
Background technology
Fluorine ion is one of needed by human body trace element, appropriate fluorine intake（Less than 1.5mg/L）Be conducive to strengthening tooth
Tooth and bone.But when intake is too high, may cause endemic fluorosis, intelligence decline, retarding of growing development, cause paralysis it is carcinogenic,
The health problem such as cranial nerve imbalance, renal dysfunction, infertile.
The approach of human body intake fluorine is essentially from drinking water.Natural water body（Including underground water）Containing a certain amount of fluorine from
Son, according to world health organization（WHO）Normative reference, the fluorinion concentration in drinking water no more than 1.5mg/L, China
Standards for drinking water quality provides that the concentration of fluoride must not exceed 1mg/L.When fluorine ion exceedes this standard, it can be considered
High-fluorine water, the artificial pollution of the exceeded industry such as with mining industry, metal smelt, plating, semiconductor manufacturing of the fluorine ion of drinking water is relevant.
Chinese Fluorine of Drinking Water contamination phenomenon is serious, high-fluorine water problem urgent need to resolve.
Current defluorination method mainly includes absorption, ion exchange, coagulative precipitation, UF membrane, electrodialysis and electrocoagulation etc..Its
Middle absorption method is low, easy to operate due to cost, is a kind of cost-effective defluorination method, is widely applied.Traditional suction
Attached dose includes aluminum oxide, iron oxide（Iron hydroxide）, modified zeolite etc..These adsorbents have that adsorption capacity is low, preparation technology
Complicated the problems such as, influence practical application.Such as patent《A kind of high efficiency low cost fluorine ion absorber and preparation method and application》,
Application number 201410214579, have studied and iron-aluminium-manganese three is prepared by raw material of soluble ferric iron salt, aluminium salt, manganese salt and sodium hydroxide
System composite oxides adsorbent, its maximal absorptive capacity about 8mg/g；Patent《A kind of de-fluoridation adsorbent and preparation method thereof and should
With》, application number 201310015854.2 have studied the adsorbent prepared by raw material of Portland cement, water and aluminum sulfate,
Its maximal absorptive capacity is 49.3 mg/g；Patent《A kind of magnetic fluorine ion absorber and preparation method thereof》, application number
201410436425.7, it is prepared for a kind of containing Fe3O4、ZrO2-CeO2And La2(C2O4)3Magnetic fluorine ion absorber, it is maximum
Adsorbance is up to 125 mg/g, but its preparation technology was waited including surface modification-ultrasonic disperse-ion exchange-washing-drying
Journey, flow is tediously long, complex operation, and raw material composition is complicated, in addition to Fe, Zr, the rare earth element such as including Ce, La, cost of material
It is high.Therefore, for adsorbance is big, the simple fluorine ion absorber of preparation method, there is lasting Science and Technology demand.
Nepheline is a kind of aluminium silicate mineral, with certain pore structure.For the synthesis of nepheline, in the prior art
Silica flour and aluminium powder or sodium metasilicate and sodium aluminate are generally used as the silicon source and silicon source of synthetic material, through sodium hydroxide solution system
Presoma is obtained after middle reaction（Hydrated aluminum silicate）, in whole process, because presoma crystallization degree difference is, it is necessary to again to preceding
Drive body and carry out crystallization, the high nepheline of crystallinity could be obtained.Such as patent《A kind of synthetic method of cancrinite molecular sieve》, application number
201310546448.9, using nine water sodium metasilicate and sodium aluminate as raw material, after being reacted in sodium hydroxide solution, then it is placed in drying
Crystallization under the high temperature conditions in case, then to crystallization product filtering, washing, dry, obtain final products, whole preparation technology stream
Journey is in more than 6h；Patent《A kind of synthetic method of sodium nepheline》, application number 200910231144.7, using silica flour and aluminium powder as original
Material, in sodium hydroxide solution after sustained response 8-24h, obtains sodium nepheline presoma, this presoma need to be at 900-1300 DEG C
Under the conditions of calcining 3-8h could obtain the sodium nepheline that crystallization degree is high, impurity content is few.Existing nepheline synthetic method long flow path,
Complex operation, time-consuming, whard to control.
Therefore how simpler, fluorine example adsorbent of the more inexpensive preparation using nepheline as matrix turns into current existing skill
The problem of art.
The content of the invention
The present invention is intended to provide a kind of fluorine ion absorber of high adsorption capacity and preparation method thereof, kaolin starting material is passed through
Hydro-thermal method is directly translated into the nepheline with hexagonal columnar structure, so as to obtain the fluorine ion absorber with high adsorption capacity.
The present invention provides a kind of high adsorption capacity fluorine ion absorber, and the present invention passes through Hydrothermal Synthesiss, filtering-washing and drying
Deng the operation of three steps, the low nepheline type product of high-crystallinity, impurity content is obtained.The primary chemical of the fluorine ion absorber is constituted
Al2O3, SiO2, Na2O and H2O, and content is respectively 30~36%, 38~44%, 18~21% and 6~8%.The fluorine ion absorption
The structure of agent is in mainly hexagonal columnar, and its specific surface area is 15~20m2/g.The maximum of the fluorine ion of the fluorine ion absorber
Adsorbance is more than 100mg/g.
The present invention further provides a kind of method for the fluorine ion absorber for preparing the high adsorption capacity, including following step
Suddenly：
（1）Kaolin, sodium hydroxide and deionized water are mixed and are placed in autoclave, then under conditions of stirring, and
Hydro-thermal reaction is carried out under high temperature；
（2）Will（1）The solid phase that the solidliquid mixture obtained after middle reaction carries out after separation of solid and liquid, separation of solid and liquid uses deionized water again
Washing；
（3）Will（2）In washed product be dried, until moisture removes completely, the fluorine ion for then obtaining high adsorption capacity is inhaled
Attached dose.
Preferably, step（1）Described in kaolin be day of the kaolinite content more than 95% after being purified by Physical
Right kaolin mineral, particle diameter distribution is 15~20 μm.
Preferably, step（1）In, kaolin, sodium hydroxide and deionized water press 1:（1~3）: 25 mass ratio is mixed
Close.
Preferably, step（1）In, the stirring is strong mixing, and mixing speed is 500~1000rpm.
Preferably, step（1）The time of middle hydro-thermal reaction is 1~3h, and the hydrothermal temperature is 220~260 DEG C.
Further, step（2）In, the method for the separation of solid and liquid is suction filtration, press filtration or any one in centrifuging
Kind.
Further preferably, step（2）In, wash temperature is 80~100 DEG C, washing times at least 2 times.
Further preferably, step（3）In, washed product is dried at a temperature of not higher than 80 DEG C.
Compared with prior art, remarkable advantage of the invention is with having the beneficial effect that：
（1）Raw material employed in the present invention is natural minerals, compared to existing conventional silicon source, aluminium source raw material such as sodium aluminate, silicon
Sour sodium, silica flour, aluminium powder etc., are easy to get, advantage with low cost with raw material；（2）The adsorbent crystallinity prepared in the prior art
Difference, need to could obtain the product that crystallinity is high, impurity content is few, and preparation technology by techniques such as high-temperature calcination, high temperature dryings
Reaction time and digestion time are long, preparation technology of the present invention, can be direct through hydro-thermal method by kaolin natural minerals
It is changed into the nepheline product that crystallinity is high, impurity content is few, preparation process need not add template, and technological process is short, operation
Simply；（3）Fluorine ion absorber obtained by the present invention, with hexagonal columnar surface topography, is adsorbed with higher fluorine ion
Amount, the adsorbent obtained by method provided using the present invention can be widely used for the fields such as removing fluorine from water；（4）What the present invention was provided
The preparation method of nepheline type fluorine ion absorber is simple, and with short production cycle, raw material is cheap and easy to get, it is easy to realize large-scale business
Industry is produced, in addition, prepared nepheline type fluorine ion absorber adsorption capacity is high, product defects is small, have a wide range of application and city
Field demand is big.
Brief description of the drawings
Fig. 1 is feed kaolin mineral（a）And nepheline type adsorbent（b）XRD analysis；
Fig. 2 is feed kaolin mineral（A, b）And nepheline type adsorbent（C, d）SEM image；
Fig. 3 is the adsorption isotherm line chart (a that adsorbent adsorbs fluorine ion:25℃, b：40,℃ c：50℃)；
Fig. 4 is the adsorption dynamics adsorption kinetics figure (a that adsorbent adsorbs fluorine ion:25℃, b：40℃, c：50℃).
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Specific embodiment is closed, the present invention is expanded on further.It should be appreciated that specific embodiment described herein is only used for explaining this hair
It is bright, the features and advantages of the present invention are further shown, and be not intended to limit the present invention.
Embodiment 1
Using Physical（WATER-WASHING METHOD or gravity separation method or floatation）Kaolin is purified, the kaolin ore after 4g purifications is weighed
Thing（Its XRD analysis and stereoscan photograph are shown in Fig. 1 and Fig. 2）, kaolinite content is more than 95%, particle diameter point in the kaolin mineral
Cloth is 15~20 μm.It is placed in autoclave, and is subsequently added 100 mL deionized waters, 4g sodium hydroxide powders,
Strong mixing in 2h, course of reaction is reacted under the conditions of 240 DEG C, mixing speed is 1000rpm, until hydro-thermal reaction is completed.Then, will
Reacted solidliquid mixture carries out separation of solid and liquid using the method for suction filtration.Isolated solid is added into deionized water immediately
Washing, wash temperature is 90 DEG C, repeated washing three times.Cleaning product is placed in 60 DEG C of environment until being completely dried, final acquisition
The XRD analysis and SEM photograph of nepheline type sample of sorbent are shown in Fig. 1 and Fig. 2 respectively.The primary chemical composition of the fluorine ion absorber
For Al2O3, SiO2, Na2O and H2O, and content is respectively 31.71%, 39.42%, 19.86% and 6.67%, contrasts the XRD of adsorbent
The standard card of analysis result and nepheline（JCPDS 72-1523）, it is possible to find adsorbent is nepheline, in addition in XRD analysis result
The diffraction maximum for not having other impure minerals is present, and shows that the material that this Hydrothermal Synthesiss process is obtained is good for purity height, crystallinity
Good nepheline.Sem analysis result shows that this desorbent material is in mainly hexagonal columnar structure.In addition duct analysis result shows through water
After thermal synthesis, the specific surface area of nepheline type sorbent material is 20m2/ g, its specific surface area is about 4 times of kaolinite raw, table
There are a large amount of ducts in bright raw material, this is conducive to fluorine ion in the absorption on its surface after Hydrothermal Synthesiss, in structure.Adsorbent is adsorbed
The adsorption isotherm line chart and adsorption dynamics adsorption kinetics of fluorine ion are shown in Fig. 3 and Fig. 4 respectively.As seen from Figure 3, temperature is more high more is conducive to
Absorption of the adsorbent to fluorine ion.When adsorption temp is 50 DEG C, adsorbent reaches 129mg/ to the maximal absorptive capacity of fluorine ion
g.By being fitted adsorption test data, it can be found that adsorbent meets Langmuir Adsorption Models to the adsorption process of fluorine ion,
Theoretical maximum adsorbance is up to 183mg/g, much larger than existing aluminosilicate or aluminium base adsorbent, shows that adsorbent of the present invention is
Excellent fluorine ion absorber.Fig. 4 adsorption dynamics adsorption kinetics researchs also indicate that absorption of the adsorbent to fluorine ion meets plan second motive force
Model is learned, adsorption effect is excellent.
Embodiment 2
Using Physical（WATER-WASHING METHOD or gravity separation method or floatation）Kaolin is purified, 4g kaolin minerals are weighed（With reality
Apply mineral facies used in example 1 same）.It is placed in autoclave, and is subsequently added 100 mL deionized waters, 4g sodium hydroxides
Powder, reacts strong mixing in 1h, course of reaction under the conditions of 260 DEG C, and mixing speed is 900rpm, until hydro-thermal reaction is completed.
Then, reacted solidliquid mixture is subjected to separation of solid and liquid using the method centrifuged.By isolated solid immediately
Deionized water washing is added, wash temperature is 95 DEG C, repeated washing three times.Cleaning product is placed in 70 DEG C of environment until completely
Dry, final to obtain nepheline type sample of sorbent, the specific surface area of nepheline type sorbent material is 18.5m2/g.The fluorine ion is inhaled
Attached dose of primary chemical composition is Al2O3, SiO2, Na2O and H2O, and content is respectively 31.62%, 42.67%, 18.23% He
6.02%.Adsorbent reaches 121mg/g to the maximal absorptive capacity of fluorine ion.
Embodiment 3
Using Physical（WATER-WASHING METHOD or gravity separation method or floatation）Kaolin is purified, 4g kaolin minerals are weighed（With reality
Apply mineral facies used in example 1 same）.It is placed in autoclave, and is subsequently added 100 mL deionized waters, 4g sodium hydroxides
Powder, reacts strong mixing in 3h, course of reaction under the conditions of 220 DEG C, and mixing speed is 500rpm, until hydro-thermal reaction is completed.
Then, reacted solidliquid mixture is subjected to separation of solid and liquid using the method for press filtration.Isolated solid is added immediately
Deionized water is washed, and wash temperature is 90 DEG C, repeated washing four times.Cleaning product is placed in 80 DEG C of environment up to being completely dried,
Final to obtain nepheline type sample of sorbent, the specific surface area of nepheline type sorbent material is 15.2m2/g.The fluorine ion absorber
Primary chemical composition be Al2O3, SiO2, Na2O and H2O, and content is respectively 31.98%, 38.03%, 20.96% and 7.25%.Inhale
The attached dose of maximal absorptive capacity to fluorine ion reaches 105mg/g.
Embodiment 4
Using Physical（WATER-WASHING METHOD or gravity separation method or floatation）Kaolin is purified, 4g kaolin minerals are weighed（With reality
Apply mineral facies used in example 1 same）.It is placed in autoclave, and is subsequently added 100 mL deionized waters, 8g sodium hydroxides
Powder, reacts strong mixing in 2h, course of reaction under the conditions of 230 DEG C, and mixing speed is 700rpm, until hydro-thermal reaction is completed.
Then, reacted solidliquid mixture is subjected to separation of solid and liquid using the method for suction filtration.Isolated solid is added immediately
Deionized water is washed, and wash temperature is 80 DEG C, repeated washing five times.Cleaning product is placed in 60 DEG C of environment up to being completely dried,
Final to obtain nepheline type sample of sorbent, the specific surface area of nepheline type sorbent material is 17.7m2/g.The fluorine ion absorber
Primary chemical composition be Al2O3, SiO2, Na2O and H2O, and content is respectively 31.23%, 42.97%, 18.02% and 6.16%.Inhale
The attached dose of maximal absorptive capacity to fluorine ion reaches 111mg/g.
Embodiment 5
Using Physical（WATER-WASHING METHOD or gravity separation method or floatation）Kaolin is purified, 4g kaolin minerals are weighed（With reality
Apply mineral facies used in example 1 same）.It is placed in autoclave, and is subsequently added 100 mL deionized waters, 12g hydroxides
Sodium powder end, reacts strong mixing in 2h, course of reaction under the conditions of 250 DEG C, until hydro-thermal reaction is completed.Then, will be reacted
Solidliquid mixture carries out separation of solid and liquid using the method for suction filtration.Isolated solid is added into deionized water washing immediately, washed
It is 100 DEG C, repeated washing three times to wash temperature.Cleaning product is placed in 50 DEG C of environment until being completely dried, final acquisition nepheline type
Sample of sorbent, the specific surface area of nepheline type sorbent material is 19.1m2/g.The primary chemical composition of the fluorine ion absorber
For Al2O3, SiO2, Na2O and H2O, and content is respectively 35.98%, 38.21%, 18.16% and 6.34%.Adsorbent is to fluorine ion
Maximal absorptive capacity reaches 125mg/g.
Embodiment 6
Using Physical（WATER-WASHING METHOD or gravity separation method or floatation）Kaolin is purified, 4g kaolin minerals are weighed（With reality
Apply mineral facies used in example 1 same）.It is placed in autoclave, and is subsequently added 100 mL deionized waters, 12g hydroxides
Sodium powder end, reacts strong mixing in 3h, course of reaction, mixing speed is 800rpm under the conditions of 240 DEG C, until hydro-thermal reaction is complete
Into.Then, reacted solidliquid mixture is subjected to separation of solid and liquid using the method for suction filtration.Isolated solid is added immediately
Enter deionized water washing, wash temperature is 85 DEG C, repeated washing three times.Cleaning product is placed in 50 DEG C of environment until completely dry
Dry, final to obtain nepheline type sample of sorbent, the specific surface area of nepheline type sorbent material is 18.9m2/g.The fluorine ion is adsorbed
The primary chemical composition of agent is Al2O3, SiO2, Na2O and H2O, and content is respectively 34.32%, 38.37%, 18.11% and 7.98%.
Adsorbent reaches 123mg/g to the maximal absorptive capacity of fluorine ion.
Embodiment 7
Using Physical（WATER-WASHING METHOD or gravity separation method or floatation）Kaolin is purified, 4g kaolin minerals are weighed（With reality
Apply mineral facies used in example 1 same）.It is placed in autoclave, and is subsequently added 100 mL deionized waters, 8g sodium hydroxides
Powder, reacts strong mixing in 3h, course of reaction under the conditions of 240 DEG C, and mixing speed is 1000rpm, until hydro-thermal reaction is completed.
Then, reacted solidliquid mixture is subjected to separation of solid and liquid using the method for suction filtration.Isolated solid is added immediately
Deionized water is washed, and wash temperature is 100 DEG C, and repeated washing is twice.Cleaning product is placed in 50 DEG C of environment up to being completely dried,
Final to obtain nepheline type sample of sorbent, the specific surface area of nepheline type sorbent material is 16.4m2/g.The fluorine ion absorber
Primary chemical composition be Al2O3, SiO2, Na2O and H2O, and content is respectively 30.11%, 43.99%, 18.18% and 6.52%.Inhale
The attached dose of maximal absorptive capacity to fluorine ion reaches 118mg/g.
The absorption property contrast of the products obtained therefrom of table one and other all kinds of de-fluoridation adsorbents
| Adsorbent | Maximal absorptive capacity (mg/g) |
| The nepheline of this example | 129 |
| La 3+- exchanging zeolite F-9 | 42.0–58.5 |
| Al3+- exchanging zeolite F-9 | 40–43 |
| It is heat-treated hydrated alumina | 23.7 |
| α-Al2O3 | 19 |
| Active oxidation alumina particles | 10.12 |
| Hydrated alumina | 7.0 |
| Bauxite | 3.8 |
As seen from the above table, the fluorine ion absorber obtained by the present invention has higher fluorine ion adsorbance（129mg/g）, absorption
Amount is far above existing fluorine ion absorber, and preparation technology is simple, with short production cycle, raw material is cheap and easy to get, it is easy to realize
Large-scale commodity production.The fields such as removing fluorine from water can be widely used for using the fluorine ion absorber obtained by the present invention, apply
Scope is wide and the huge market demand.
It is characteristic of the invention that building-up process flow it is short, it is time-consuming less, it is simple to operate, be not required to add template, pass through control
Critical technical parameter such as temperature, naoh concentration, hydro-thermal time etc., obtain the nepheline type with high fluorine ion adsorbance and produce
Product.
The general principle and principal character and advantages of the present invention of the present invention, the technology of the industry has been shown and described above
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention, the claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (10)
1. a kind of fluorine ion absorber of high adsorption capacity, it is characterised in that：The primary chemical of the fluorine ion absorber is constituted
Al2O3, SiO2, Na2O and H2O, and content is respectively 30~36%, 38~44%, 18~21% and 6~8%.
2. adsorbent according to claim 1, it is characterised in that：The structure of the fluorine ion absorber is in mainly hexagonal prism
Shape, its specific surface area is 15~20m2/g。
3. a kind of method for the fluorine ion absorber for preparing high adsorption capacity described in claim 1 or 2, comprises the following steps：
（1）Kaolin, sodium hydroxide and deionized water are mixed and are placed in autoclave, then under conditions of stirring, and
Hydro-thermal reaction is carried out under high temperature；
（2）Will（1）The solid phase that the solidliquid mixture obtained after middle reaction carries out after separation of solid and liquid, separation of solid and liquid uses deionized water again
Washing；
（3）Will（2）In washed product be dried, until moisture removes completely, the fluorine ion for then obtaining high adsorption capacity is inhaled
Attached dose.
4. method according to claim 3, step（1）Described in kaolin be kaolinite content after being purified by Physical
Natural kaolin mineral more than 95%, particle diameter distribution is 15~20 μm.
5. method according to claim 3, step（1）In, kaolin, sodium hydroxide and deionized water press 1:（1~3）∶
25 mass ratio mixing.
6. method according to claim 3, step（1）In, it is described stirring be strong mixing, mixing speed be 500~
1000rpm。
7. method according to claim 3, step（1）The time of middle hydro-thermal reaction is 1~3h, the hydrothermal temperature
For 220~260 DEG C.
8. method according to claim 3, step（2）In, the method for the separation of solid and liquid is suction filtration, press filtration or centrifugation point
Any one from.
9. method according to claim 3, step（2）In, wash temperature is 80~100 DEG C, washing times at least 2 times.
10. method according to claim 3, step（3）In, washed product is done at a temperature of not higher than 80 DEG C
It is dry.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110548477A (en) * | 2018-05-30 | 2019-12-10 | 中国科学院过程工程研究所 | Adsorbing material and preparation method and application thereof |
| CN111686682A (en) * | 2020-06-23 | 2020-09-22 | 南京乐透思环保科技有限公司 | Material and system process for deep fluorine removal |
| CN112246215A (en) * | 2020-11-04 | 2021-01-22 | 河南理工大学 | Method for preparing adsorbing material for water treatment by using coal gangue as raw material |
| CN114247419A (en) * | 2021-12-31 | 2022-03-29 | 中国矿业大学(北京) | Adsorbing material and preparation method and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101723390A (en) * | 2009-12-10 | 2010-06-09 | 济南大学 | Method for synthesizing sodium nepheline |
| CN103553071A (en) * | 2013-11-07 | 2014-02-05 | 扬州大学 | Cancrinite molecular sieve synthetic method |
| CN103570032A (en) * | 2012-07-18 | 2014-02-12 | 中国石油大学(北京) | Preparation method for active aluminosilicate |
| CN105498683A (en) * | 2015-12-01 | 2016-04-20 | 长江水资源保护科学研究所 | Preparation method of modified clay mineral material for purification of fluorine-containing sewage |
-
2017
- 2017-04-11 CN CN201710230666.XA patent/CN106975440A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101723390A (en) * | 2009-12-10 | 2010-06-09 | 济南大学 | Method for synthesizing sodium nepheline |
| CN103570032A (en) * | 2012-07-18 | 2014-02-12 | 中国石油大学(北京) | Preparation method for active aluminosilicate |
| CN103553071A (en) * | 2013-11-07 | 2014-02-05 | 扬州大学 | Cancrinite molecular sieve synthetic method |
| CN105498683A (en) * | 2015-12-01 | 2016-04-20 | 长江水资源保护科学研究所 | Preparation method of modified clay mineral material for purification of fluorine-containing sewage |
Non-Patent Citations (1)
| Title |
|---|
| HAO WANG ET AL.: "Highly efficient fluoride adsorption from aqueous solution by nepheline prepared from kaolinite through alkali-hydrothermal process", 《JOURNAL OF ENVIRONMENTAL MANAGEMENT》 * |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110548477A (en) * | 2018-05-30 | 2019-12-10 | 中国科学院过程工程研究所 | Adsorbing material and preparation method and application thereof |
| CN110548477B (en) * | 2018-05-30 | 2020-11-10 | 中国科学院过程工程研究所 | Adsorbing material and preparation method and application thereof |
| CN111686682A (en) * | 2020-06-23 | 2020-09-22 | 南京乐透思环保科技有限公司 | Material and system process for deep fluorine removal |
| CN112246215A (en) * | 2020-11-04 | 2021-01-22 | 河南理工大学 | Method for preparing adsorbing material for water treatment by using coal gangue as raw material |
| CN114247419A (en) * | 2021-12-31 | 2022-03-29 | 中国矿业大学(北京) | Adsorbing material and preparation method and application thereof |
| CN114247419B (en) * | 2021-12-31 | 2023-09-19 | 中国矿业大学(北京) | Adsorption material and preparation method and application thereof |
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