CN107138125A - A kind of particulate form composite metal oxide de-fluoridation adsorbent - Google Patents
A kind of particulate form composite metal oxide de-fluoridation adsorbent Download PDFInfo
- Publication number
- CN107138125A CN107138125A CN201610111026.2A CN201610111026A CN107138125A CN 107138125 A CN107138125 A CN 107138125A CN 201610111026 A CN201610111026 A CN 201610111026A CN 107138125 A CN107138125 A CN 107138125A
- Authority
- CN
- China
- Prior art keywords
- metal
- rare earth
- oxide
- composite
- binding agent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- B01J20/0203—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
- B01J20/0222—Compounds of Mn, Re
-
- 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
- B01J20/0225—Compounds of Fe, Ru, Os, Co, Rh, Ir, Ni, Pd, Pt
-
- 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
-
- 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
- B01J2220/42—Materials comprising a mixture of inorganic materials
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Organic 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)
Abstract
Title of the present invention is a kind of particulate form composite metal oxide de-fluoridation adsorbent, belongs to sorbing material technical field.Mass ratio of the adsorbent containing many composite oxide of metal of powder, binding agent and microcrystalline cellulose is 40 60: 0.5 3: 5 15；Mol ratio of many composite oxide of metal of powdered form containing Mg, Fe and rare earth metal is 26: 0.15 1.5: 0.5 1.5；The rare earth metal is Ce or La；Preparation method includes：By Mg, Fe and rare earth metal compound, dissolving in proportion forms the aqueous solution；It is 9.0 9.5 to pH to add alkali lye into above-mentioned solution, is stood, and washing separation is in neutrality to water outlet pH；Product drying is to constant weight after washing, and fired, grinding produces powdered form metal composite oxide；Powdered form metal composite oxide obtained above is mixed in proportion with binding agent, microcrystalline cellulose, forms well mixed wet stock, it is extruded it is round as a ball after, dry to constant weight, that is, particulate form composite metal oxide de-fluoridation adsorbent be made.The adsorbent in neutral conditions, 6.8mg/g is reached to fluorine Kinetic penetration adsorption capacity in water.
Description
Technical field
The invention belongs to sorbing material technical field, more particularly to a kind of particulate form composite metal oxide de-fluoridation adsorbent.
Background technology
The fluorine disease as caused by drinking high-fluorine water is to be distributed one of most commonly used endemic disease in the world.China in addition to Shanghai City,
Remaining autonomous region of each province and municipality directly under the Central Government have had been found that drinking-water property fluorine disease.There is strict demand for the Oil repellent in drinking water in the world,
The World Health Organization provides that the highest that the safe level of fluorine in drinking water is fluorine in 0.6-1.5mg/L, China's Drinking Water allows
Concentration is that 1mg/L (is less than 1000m for water supply scale3/ d water supply project can be relaxed to 1.2mg/L).In numerous drinking water
In defluorination method, absorption method, so that removal efficiency is high, simple to operate, cost is low, is most widely used method.Adsorbent is to inhale
The core of attached method, conventional adsorbent such as activated alumina, bone carbon etc., are widely used, but deposit because of cheap at present
Applicable pH slant acidity, adsorption capacity is low, regeneration is frequent, aluminium dissolution is higher the problems such as, therefore, the research of alternative materials by
It is both domestic and external to pay high attention to.Result of study in recent years shows, the polyvalent metal such as aluminium, magnesium, iron, zirconium and rare earth (hydration) oxygen
Compound, the characteristics of with structural porosity, can occur surface hydroxylation under the conditions of suitable pH and form a series of metal hydroxides
Thing and polyhydroxy hydrous metal oxides, adsorbed by effects such as covalent bond chemisorbed, Electrostatic Absorption and ion exchange absorption,
Fixed fluorine ion.But material newly developed is generally powder, fixed-bed operation is not suitable for, and prepared mostly in laboratory lab scale
With the performance evaluation stage, lack the granulating of system, expansion scale prepare and field application research.Formation adsorption capacity height,
Stability is good, the strong small, dynamic adsorption capacity of adsorption activity loss, high mechanical strength, the repeatable granulating utilized is practical inhales
One big difficult point of the current fluorine removal research application of enclosure material.
The content of the invention
It is an object of the present invention to small for the adsorption capacity for solving traditional de-fluoridation adsorbent generally existing, adsorbent newly developed is more
The problems such as stopping at powder, be difficult to practical application there is provided a kind of particulate form composite metal oxide de-fluoridation adsorbent, with
On the basis of prepared by many composite oxide of metal Mg-Fe- terres rares (including Ce, La etc.) of powder, binding agent (polyethylene is added
Alcohol+malonic acid) and microcrystalline cellulose, by extrusion spheronization method, particulate form composite metal oxide de-fluoridation adsorbent is made, its is right
The adsorption capacity of fluorine is high, can directly apply to fluorine removal engineering.
Technical scheme is as follows：
The particulate form composite metal oxide de-fluoridation adsorbent that the present invention is provided, containing many composite oxide of metal of powder, binding agent and
Microcrystalline cellulose, many composite oxide of metal of powder, binding agent and microcrystalline cellulose mass ratio are 40-60: 0.5-3: 5-15,
The many composite oxide of metal of powder, binding agent and microcrystalline cellulose mass ratio can be：45-55∶1-2∶8-12；
The many composite oxide of metal of powder, binding agent and microcrystalline cellulose mass ratio can also be 50: 1.5: 10.
Wherein many composite oxide of metal of powdered form contain Mg, Fe and rare earth metal；Described Mg, Fe and rare earth metal mol ratio
For 2-6: 0.15-1.5: 0.5-1.5,
The rare earth metal Ce or La.
Described Mg: Fe: the mol ratio of rare earth metal can be：3.5-4.5∶0.8-1.2∶0.6-1.0；
Described Mg: Fe: the mol ratio of rare earth metal can also be 4.0: 1.0: 1.0.
The preparation method for the particulate form composite metal oxide de-fluoridation adsorbent that the present invention is provided, comprises the following steps：
1) it is 3.5-4.5 by the mol ratio of contained Mg, Fe and rare earth metal by the compound containing Mg, Fe and rare earth metal:
0.8-1.2: 0.6-1.0 ratio dissolves to form the aqueous solution, at room temperature, stirs and evenly mixs；
The metallic compound containing Mg is its nitrate, chloride or sulfate；
The compound containing Fe is its sulfate or chloride；
The compound containing rare earth metal is cerium chloride, cerous nitrate, cerous sulfate, lanthanum chloride, lanthanum nitrate or lanthanum sulfate；
2) aqueous slkali (can be sodium hydroxide, ammonia, sodium carbonate, sodium acid carbonate etc.) under agitation, is added dropwise into above-mentioned solution,
Until pH value of solution is 9.0-9.5, stand；Separation is washed with deionized, until water outlet pH is in neutrality；
3) product after washing is dried to constant weight at 65-90 DEG C, then is ground, that is, powdered form composite metal oxide de-fluoridation is made and inhales
Attached dose.
Step 1) described in Mg, Fe and rare earth metal mol ratio be 3.5-4.5: 0.8-1.2: 0.6-1.0.
Step 1) described in Mg, Fe and rare earth metal mol ratio be 4.0: 1.0: 1.0.
4) product after washing is dried to constant weight at 65-90 DEG C, then is ground, that is, powdered form composite metal oxide de-fluoridation is made and inhales
Attached dose；
5) binding agent (PVA+ malonic acid) is made into the 8-10% aqueous solution, with powdered form metal composite oxide obtained above and
Microcrystalline cellulose, is 45-55: 1-2: 8-12 by many composite oxide of metal of contained powder, binding agent and microcrystalline cellulose mass ratio
Ratio mixing, form well mixed wet stock；
6) round as a ball after well mixed wet stock is extruded using extruder by different pore size mould, round as a ball rear product is at 65-75 DEG C
Dry to constant weight, that is, particulate form composite metal oxide de-fluoridation adsorbent is made.
The particulate form composite metal oxide de-fluoridation adsorbent of the present invention, is the specific adsorptivity based on metal oxide to anion
Can, the actual fluorine removal application of particulate form adsorbent realization is formed on the basis of dusty material preparation.It is generally acknowledged that metal oxide is molten
In liquid electrolysis can produce metal ion, in suitable pH occur mineral surfaces hydroxylating formed a series of metal hydroxides and
Polyhydroxy hydrous metal oxides, the presence of surface hydroxyl function base passes through covalent bond with the powerful affinity to fluorine
The effects such as chemisorbed, Electrostatic Absorption and ion exchange absorption play the exchange interaction of hydroxyl, absorption, fixed fluoride, in
Under the conditions of property when (pH=7), 90mg/g may be up to the saturated extent of adsorption of fluorine in water during Staticadsorption experiment, in Dynamic Adsorption bar
6.8mg/g (during fluorine equilibrium concentration 1mg/L) is reached to the adsorption capacity that penetrates of fluorine in water under part, far above other fluorine removal engineer applieds
More traditional sorbing material activated alumina, active zeolite etc..
Embodiment
Embodiment 1
Magnesium sulfate, ferrous sulfate, lanthanum chloride are dissolved to form the aqueous solution for Mg: Fe: La=4: 0.8: 1 ratio in molar ratio,
At room temperature, stir and evenly mix；
Under agitation, sodium hydroxide solution is added dropwise into above-mentioned solution, is 9.0 to pH value of solution；Stand 24 hours；
Separated with deionized water centrifuge washing, until the close neutrality of water outlet pH；Product after washing is dried to constant weight at 90 DEG C,
Grinding, produces powdered form composite metal oxide de-fluoridation adsorbent；
Binding agent (PVA+ malonic acid) is made into 8% aqueous solution, it is fine with powdered form metal composite oxide obtained above and crystallite
Dimension element, is mixed in many composite oxide of metal of contained powder, binding agent and microcrystalline cellulose mass ratio for 45: 1.5: 9 ratio,
Formed after well mixed wet stock, round as a ball, round as a ball rear product after warm material is extruded by different pore size mould using extruder
Dried at 70 DEG C to constant weight, that is, the particulate form composite metal oxide de-fluoridation adsorbent of the present invention is made.
The composite metal oxide de-fluoridation adsorbent is under the conditions of Dynamic Adsorption, and the adsorption capacity that penetrates to fluorine in water reaches 2.9mg/g
(fluorine equilibrium concentration 1mg/L, during pH=7.2) (every gram of particulate form composite metal oxide de-fluoridation adsorbent adsorbs 2.9mg's
Fluorine).
Embodiment 2
Magnesium sulfate, ferrous sulfate, ceric sulfate are dissolved to form the aqueous solution for Mg: Fe: Ce=4: 1: 1 ratio in molar ratio,
At room temperature, stir and evenly mix；
Under agitation, sodium carbonate liquor is added dropwise into above-mentioned solution, is 9.5 to pH value of solution；Stand 24 hours；
Separated with deionized water centrifuge washing, until the close neutrality of water outlet pH；Product after washing is dried to constant weight at 65 DEG C,
Grinding, produces powdered form composite metal oxide de-fluoridation adsorbent；
Binding agent (PVA+ malonic acid) is made into 8% aqueous solution, it is fine with powdered form metal composite oxide obtained above and crystallite
Dimension element, is mixed in many composite oxide of metal of contained powder, binding agent and microcrystalline cellulose mass ratio for 50: 1.5: 10 ratio,
Formed after well mixed wet stock, round as a ball, round as a ball rear product after warm material is extruded by different pore size mould using extruder
Dried at 65 DEG C to constant weight, that is, the particulate form composite metal oxide de-fluoridation adsorbent of the present invention is made.
The composite metal oxide de-fluoridation adsorbent is under the conditions of Dynamic Adsorption, and the adsorption capacity that penetrates to fluorine in water reaches 6.2mg/g
(fluorine equilibrium concentration 1mg/L, during pH=7.2) (every gram of particulate form composite metal oxide de-fluoridation adsorbent adsorbs 6.2mg's
Fluorine).
Embodiment 3
Magnesium chloride, ferrous sulfate, ceric sulfate are dissolved to form the aqueous solution for Mg: Fe: Ce=5: 1.2: 1 ratio in molar ratio,
At room temperature, stir and evenly mix；
Under agitation, sodium hydroxide solution is added dropwise into above-mentioned solution, is 9.0 to pH value of solution；Stand 24 hours；
Separated with deionized water centrifuge washing, until the close neutrality of water outlet pH；Product after washing is dried to constant weight at 90 DEG C,
Grinding, produces powdered form composite metal oxide de-fluoridation adsorbent；
Binding agent (PVA+ malonic acid) is made into 8% aqueous solution, it is fine with powdered form metal composite oxide obtained above and crystallite
Dimension element, is mixed in many composite oxide of metal of contained powder, binding agent and microcrystalline cellulose mass ratio for 55: 2: 12 ratio,
Formed after well mixed wet stock, round as a ball, round as a ball rear product after warm material is extruded by different pore size mould using extruder
Dried at 75 DEG C to constant weight, that is, the particulate form composite metal oxide de-fluoridation adsorbent of the present invention is made.
The composite metal oxide de-fluoridation adsorbent is under the conditions of Dynamic Adsorption, and the adsorption capacity that penetrates to fluorine in water reaches 3.1mg/g
(fluorine equilibrium concentration 1mg/L, during pH=7.2) (every gram of particulate form composite metal oxide de-fluoridation adsorbent adsorbs 3.1mg's
Fluorine).
Embodiment 4
Magnesium nitrate, ferrous sulfate, ceric sulfate are dissolved to form the aqueous solution for Mg: Fe: Ce=6: 1.2: 1.0 ratio in molar ratio,
At room temperature, stir and evenly mix；
Under agitation, sodium hydroxide solution is added dropwise into above-mentioned solution, is 9.0 to pH value of solution；Stand 24 hours；
Separated with deionized water centrifuge washing, until the close neutrality of water outlet pH；Product after washing is dried to constant weight at 90 DEG C,
Grinding, produces powdered form composite metal oxide de-fluoridation adsorbent；
Binding agent (PVA+ malonic acid) is made into 8% aqueous solution, it is fine with powdered form metal composite oxide obtained above and crystallite
Dimension element, is mixed in many composite oxide of metal of contained powder, binding agent and microcrystalline cellulose mass ratio for 60: 2.8: 15 ratio,
Formed after well mixed wet stock, round as a ball, round as a ball rear product after warm material is extruded by different pore size mould using extruder
Dried at 75 DEG C to constant weight, that is, the particulate form composite metal oxide de-fluoridation adsorbent of the present invention is made.
The composite metal oxide de-fluoridation adsorbent is under the conditions of Dynamic Adsorption, and the adsorption capacity that penetrates to fluorine in water reaches 2.9mg/g
(fluorine equilibrium concentration 1mg/L, during pH=7.2) (every gram of particulate form composite metal oxide de-fluoridation adsorbent adsorbs 2.9mg's
Fluorine).
Embodiment 5
Magnesium chloride, ferrous sulfate, ceric sulfate are dissolved to form water-soluble for Mg: Fe: Ce=3.5: 1.0: 1.0 ratio in molar ratio
Liquid, at room temperature, is stirred and evenly mixed；
Under agitation, sodium hydroxide solution is added dropwise into above-mentioned solution, is 9.0 to pH value of solution；Stand 24 hours；
Separated with deionized water centrifuge washing, until the close neutrality of water outlet pH；Product after washing is dried to constant weight at 65 DEG C,
Grinding, produces powdered form composite metal oxide de-fluoridation adsorbent；
Binding agent (PVA+ malonic acid) is made into 8% aqueous solution, it is fine with powdered form metal composite oxide obtained above and crystallite
Dimension element, is mixed in many composite oxide of metal of contained powder, binding agent and microcrystalline cellulose mass ratio for 50: 1.5: 9 ratio,
Formed after well mixed wet stock, round as a ball, round as a ball rear product after warm material is extruded by different pore size mould using extruder
Dried at 65 DEG C to constant weight, that is, the particulate form composite metal oxide de-fluoridation adsorbent of the present invention is made.
The composite metal oxide de-fluoridation adsorbent is under the conditions of Dynamic Adsorption, and the adsorption capacity that penetrates to fluorine in water reaches 6.8mg/g
(fluorine equilibrium concentration 1mg/L, during pH=7.2) (every gram of particulate form composite metal oxide de-fluoridation adsorbent adsorbs 6.8mg's
Fluorine).
Embodiment 6
Magnesium chloride, ferrous sulfate, lanthanum chloride are dissolved to form the aqueous solution for Mg: Fe: La=4.0: 1.2: 1.2 ratio in molar ratio,
At room temperature, stir and evenly mix；
Under agitation, sodium hydroxide solution is added dropwise into above-mentioned solution, is 9.0 to pH value of solution；Stand 24 hours；
Separated with deionized water centrifuge washing, until the close neutrality of water outlet pH；Product after washing is dried to constant weight at 65 DEG C,
Grinding, produces powdered form composite metal oxide de-fluoridation adsorbent；
Binding agent (PVA+ malonic acid) is made into 10% aqueous solution, with powdered form metal composite oxide obtained above and crystallite
Cellulose, is mixed in many composite oxide of metal of contained powder, binding agent and microcrystalline cellulose mass ratio for 50: 1.2: 12 ratio
Close, formed after well mixed wet stock, it is round as a ball after using extruder, warm material is extruded by different pore size mould, it is round as a ball after
Product is dried at 65 DEG C to constant weight, that is, the particulate form composite metal oxide de-fluoridation adsorbent of the present invention is made.
The composite metal oxide de-fluoridation adsorbent is under the conditions of Dynamic Adsorption, and the adsorption capacity that penetrates to fluorine in water reaches 3.0mg/g
(fluorine equilibrium concentration 1mg/L, during pH=7.2) (every gram of particulate form composite metal oxide de-fluoridation adsorbent adsorbs 3.0mg's
Fluorine).
Claims (6)
1. a kind of particulate form composite metal oxide de-fluoridation adsorbent, containing many composite oxide of metal of powder, binding agent and crystallite are fine
Dimension element, many composite oxide of metal of powder, binding agent and microcrystalline cellulose mass ratio are 40-60: 0.5-3: 5-15, wherein powder
The many composite oxide of metal of final states contain Mg, Fe and rare earth metal；Described Mg, Fe and rare earth metal mol ratio is
2-6: 0.15-1.5: 0.5-1.5, the rare earth metal is Ce or La.
2. the particulate form composite metal oxide de-fluoridation adsorbent as described in claim 1, it is characterised in that how golden the powder is
It is 45-55: 1-2: 8-12 to belong to composite oxides, binding agent and microcrystalline cellulose mass ratio, wherein many metal composite oxidations of the powder
The mol ratio of Mg, Fe and rare earth metal is 3.5-4.5: 0.8-1.2: 0.6-1.0 in thing.
3. the particulate form composite metal oxide de-fluoridation adsorbent as described in claim 1, it is characterised in that how golden the powder is
It is 50: 1.5: 10 to belong to composite oxides, binding agent and microcrystalline cellulose mass ratio, wherein described Mg: Fe: rare earth metal
Mol ratio can also be 4.0: 1.0: 1.0.
4. the preparation method of particulate form composite metal oxide de-fluoridation adsorbent described in a kind of claim 1, it is characterised in that
Comprise the following steps：
1) it is 3.5-4.5 by the mol ratio of contained Mg, Fe and rare earth metal by the compound containing Mg, Fe and rare earth metal:
0.8-1.2: 0.6-1.0 ratio dissolves to form the aqueous solution, at room temperature, stirs and evenly mixs；
The metallic compound containing Mg is its nitrate, chloride or sulfate；
The compound containing Fe is its sulfate or chloride；
The compound containing rare earth metal is cerium chloride, cerous nitrate, cerous sulfate, lanthanum chloride, lanthanum nitrate or lanthanum sulfate；
2) aqueous slkali (can be sodium hydroxide, ammonia, sodium carbonate, sodium acid carbonate etc.) under agitation, is added dropwise into above-mentioned solution,
Until pH value of solution is 9.0-9.5, stand；Separation is washed with deionized, until water outlet pH is in neutrality；
3) product after washing is dried to constant weight at 65-90 DEG C, then is ground, that is, powdered form composite metal oxide de-fluoridation is made and inhales
Attached dose.
4) product after washing is dried to constant weight at 65-90 DEG C, then is ground, that is, powdered form composite metal oxide de-fluoridation is made and inhales
Attached dose；
5) binding agent (PVA+ malonic acid) is made into the 8-10% aqueous solution, with powdered form metal composite oxide obtained above
And microcrystalline cellulose, it is 45-55: 1-2: 8-12 by many composite oxide of metal of contained powder, binding agent and microcrystalline cellulose mass ratio
Ratio mixing, form well mixed wet stock；
6) round as a ball after well mixed wet stock is extruded using extruder by different pore size mould, round as a ball rear product exists
65-75 DEG C of drying be made particulate form composite metal oxide de-fluoridation adsorbent to constant weight.
5. the preparation method of the particulate form composite metal oxide de-fluoridation adsorbent as described in claim 4, it is characterised in that
Step 1) described in Mg, Fe and rare earth metal mol ratio be 3.5-4.5: 0.8-1.2: 0.6-1.0, step 5) described in
It is 45-55: 1-2: 8-12 containing many composite oxide of metal of powder, binding agent and microcrystalline cellulose mass ratio.
6. the preparation method of the particulate form composite metal oxide de-fluoridation adsorbent as described in claim 4, it is characterised in that step
It is rapid 1) described in described Mg: Fe: the mol ratio of rare earth metal can also be 4.0: 1.0: 1.0, step 5) described in many metals of powder
Composite oxides, binding agent and microcrystalline cellulose mass ratio are 50: 1.5: 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610111026.2A CN107138125A (en) | 2016-03-01 | 2016-03-01 | A kind of particulate form composite metal oxide de-fluoridation adsorbent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610111026.2A CN107138125A (en) | 2016-03-01 | 2016-03-01 | A kind of particulate form composite metal oxide de-fluoridation adsorbent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107138125A true CN107138125A (en) | 2017-09-08 |
Family
ID=59783020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610111026.2A Pending CN107138125A (en) | 2016-03-01 | 2016-03-01 | A kind of particulate form composite metal oxide de-fluoridation adsorbent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107138125A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108889265A (en) * | 2018-07-25 | 2018-11-27 | 青海师范大学 | A kind of magnesium iron cerium composite oxides and its preparation method and application |
| CN109867382A (en) * | 2018-11-07 | 2019-06-11 | 中国科学院过程工程研究所 | Resource recycle method, product and application thereof as made from it of metal ion in a kind of pickle liquor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1954906A (en) * | 2005-10-28 | 2007-05-02 | 中国科学院生态环境研究中心 | Compound metal oxide de-fluorine sorbent |
| CN102114402A (en) * | 2009-12-31 | 2011-07-06 | 中国科学院生态环境研究中心 | Defluorinating adsorbent and preparation method thereof |
-
2016
- 2016-03-01 CN CN201610111026.2A patent/CN107138125A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1954906A (en) * | 2005-10-28 | 2007-05-02 | 中国科学院生态环境研究中心 | Compound metal oxide de-fluorine sorbent |
| CN102114402A (en) * | 2009-12-31 | 2011-07-06 | 中国科学院生态环境研究中心 | Defluorinating adsorbent and preparation method thereof |
Non-Patent Citations (4)
| Title |
|---|
| BEI ZHAO ET AL.: ""Granulation of Fe-Al-Ce trimetal hydroxide as a fluoride adsorbent using the extrusion method"", 《CHEMICAL ENGINEERING JOURNAL》 * |
| 潘卫三 主编: "《工业药剂学》", 31 August 2015, 中国医药科技出版社 * |
| 邬晓梅 等: ""Mg-Fe-Ce复合金属氧化物对饮用水中氟离子的吸附特性研究"", 《中国水利》 * |
| 陆彬 主编: "《药剂学》", 31 January 2003, 中国医药科技出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108889265A (en) * | 2018-07-25 | 2018-11-27 | 青海师范大学 | A kind of magnesium iron cerium composite oxides and its preparation method and application |
| CN109867382A (en) * | 2018-11-07 | 2019-06-11 | 中国科学院过程工程研究所 | Resource recycle method, product and application thereof as made from it of metal ion in a kind of pickle liquor |
| CN109867382B (en) * | 2018-11-07 | 2021-02-12 | 中国科学院过程工程研究所 | Resource recovery method of metal ions in pickling waste liquid, product prepared by resource recovery method and application of product |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100435931C (en) | Compound metal oxide de-fluorine sorbent | |
| US7786038B2 (en) | Composite metal oxide adsorbent for fluoride removal | |
| Tang et al. | Recent advances in metal–organic framework-based materials for removal of fluoride in water: Performance, mechanism, and potential practical application | |
| Chen et al. | Application of metal oxide heterostructures in arsenic removal from contaminated water | |
| CN100393410C (en) | Resin base adsorbent with high selectivity to heavy metal and preparing process thereof | |
| CN100460056C (en) | Method for preparing sulfate akaganeite adsorbent for de-arsenation | |
| CN102836693B (en) | Magnetic-nucleus coated type inorganic ion adsorbent used for removing Cs ions in radioactive wastewater, and preparation method of same | |
| RU2336946C2 (en) | Sorbent for heavy metals, method of its production and method of water purification | |
| CN102114402B (en) | Defluorinating adsorbent and preparation method thereof | |
| CN103551104B (en) | Preparation method of grading magnesium and aluminum hydrotalcite capable of adsorbing Cr(VI) | |
| JP5934738B2 (en) | Method for granulating adsorbent and adsorbent granules produced by the method | |
| CN102631897A (en) | Method for preparing lithium adsorbent resin | |
| CN102600790A (en) | Nanometer cerium oxide hydrate-based arsenic removing material, preparation method thereof and application in arsenic removing | |
| CN109092242A (en) | The method that lithium is extracted from brine using magnetic powder aluminium base lithium adsorbent | |
| CN104353428B (en) | Oxido-reduction responsive metal gel and chitosan composite magnetic microsphere as well as preparation method and application thereof | |
| CN112337427B (en) | La @ Zr @ SiO2Preparation method of @ bentonite composite phosphorus removal adsorbent | |
| CN104971688B (en) | A kind of preparation method of nano magnetic particle adsorbent | |
| CN109012586A (en) | Uranium absorption agent and preparation method thereof | |
| CN107138125A (en) | A kind of particulate form composite metal oxide de-fluoridation adsorbent | |
| CN103253788B (en) | Method for removing fluorides in water through aluminum base composite metal oxide-based fluorine removing absorption material complexation-absorption | |
| CN105536688B (en) | A kind of magnetic core nanoparticle of Kocide SD cladding and its preparation and application | |
| JP2010131556A (en) | Deodorant material | |
| CN104045095A (en) | Preparation method of porous 5A molecular sieve for straight-chain alkane adsorption | |
| CN109078602A (en) | Magnetic micropore lithium adsorbent and the preparation method and application thereof | |
| JP5637708B2 (en) | Fluorine ion-containing wastewater treatment method with fluorine adsorbent |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170908 |
|
| WD01 | Invention patent application deemed withdrawn after publication |