CN107020066A - The preparation method and application of load hydrogen ferric oxide nano zeolitic material - Google Patents
The preparation method and application of load hydrogen ferric oxide nano zeolitic material Download PDFInfo
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- CN107020066A CN107020066A CN201710220046.8A CN201710220046A CN107020066A CN 107020066 A CN107020066 A CN 107020066A CN 201710220046 A CN201710220046 A CN 201710220046A CN 107020066 A CN107020066 A CN 107020066A
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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
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
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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
- B01J20/16—Alumino-silicates
- B01J20/165—Natural alumino-silicates, e.g. zeolites
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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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- 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
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
Abstract
The present invention provides a kind of preparation method and application of load hydrogen ferric oxide nano zeolitic material, and its preparation process is as follows：Natural zeolite is taken to be dried after being cleaned with deionized water, it is standby；Crush：The zeolite of processing is carried out with ball mill to be crushed to Nano grade；Zeolite is added to Fe (NO3)3·9H2In O solution, stirring is lower to be added dropwise NaOH solution；Mixed solution is centrifuged, supernatant liquor is removed, after being washed with deionized, drying obtains zeolitic material.The aperture for the load hydrogen ferric oxide nano zeolitic material that the present invention is provided is Nano grade, not only retain the original good nitrogen removal performance of zeolite, also there is good removal effect to phosphorus, and the adsorption capacity of its nitrogen phosphorus is significantly increased, load iron hydroxide causes nano zeolite to have the double effects of adsorption of nitrogen and phosphorus concurrently, has great importance for comprehensive water-body processing and improvement.
Description
Technical field
The present invention relates to the technical field of nano material, and in particular to a kind of system of load hydrogen ferric oxide nano zeolitic material
Preparation Method and its application.
Background technology
Promoted with industrialized, problem of environmental pollution is universal all the more and increasingly serious, meanwhile, lake eutrophication and river
Road is black smelly to have become main water environmental problems.According to relevant report, some large-scale lake such as Taihu Lake and Dian Chi occur sternly
The eutrophication problem of weight；More than 80% city river occurs perennially or seasonal black smelly phenomenon.Eutrophication and
Black smelly problem has had a strong impact on city image, ecological environment and the physical and mental health of people.The either water body of which kind of pollution type,
Nitrogen phosphorus is exceeded and Organic Pollution is the principal element of water environmental problems aggravation, and often exists simultaneously.Therefore, how water is realized
Body carbon synchronous nitrogen and phosphorus is removed turns into technical field of water pollution treatment urgent problem to be solved.
The minimizing technology of current Water mainly has chemical method, bioanalysis and absorption method etc., and absorption method Yin Qijian
Single, efficient the advantages of, is generally considered a kind of maximally efficient method.Sorbing material main active charcoal, the day studied both at home and abroad
Right zeolite, diatomite etc.；Wherein, natural zeolite has larger specific surface area, strong adsorption capacity and ion-exchange capacity, to water
Ammonia nitrogen in body has good adsorption effect, therefore natural zeolite can be used as a kind of preferable denitrogenation sorbing material.But, by
In natural zeolite per se with negative electrical charge, therefore phosphate that can not be effectively in Adsorption water body.Accordingly, it would be desirable to natural zeolite
Effective necessarily comprehensively modifying is carried out, can realize that the synchronization to Water phosphorus is removed.
Research shows that it is a kind of effectively method that metallic compound load is carried out to material.The hydroxide of metal is born
Can improve after load raw material surface and increase material adsorption effect, wherein iron hydroxide because its prepare cost it is low, it is right
Environment does not produce toxic action, and stability is good, and is widely used, meanwhile, iron hydroxide has very in dephosphorization
Important meaning.
CN 201310414937.9 is related to a kind of preparation method of Nanoscale Iron modified zeolite, by first by natural zeolite or
Artificial synthesized zeolite is mixed and made into hydrogel with aqueous slkali, or mixes system with aqueous slkali in certain proportion by silicon source silicon source
Into hydrogel, the hydrogel and the well mixed modified zeolite that is made of Nanoscale Iron synthesize material, and crystallization is to obtain under optimum conditions
Nanoscale Iron modified zeolite product.The modified zeolite product is mainly used in the absorption of ammonia nitrogen, not enough for nitrogen phosphorus adsorption effect, has
Certain limitation.
The content of the invention
In view of the shortcomings of the prior art, the present invention is necessary to provide a kind of preparation of load hydrogen ferric oxide nano zeolitic material
Method and its application, it is intended to which nitrogen and phosphorus pollutantses are synchronized with removal, and preparation method is simple, can effectively solve water eutrophication
Change and black smelly problem.
On the one hand, it is an object of the invention to provide a kind of preparation method of load hydrogen ferric oxide nano zeolitic material, its
Preparation process is as follows：
(1) pre-process：Natural zeolite is taken to be dried after being cleaned with deionized water, it is standby；
(2) crush：The zeolite of step (1) processing is carried out being crushed to Nano grade with ball mill；
(3) load：Zeolite obtained by step (2) is added to Fe (NO3)3·9H2In O solution, the lower dropwise addition NaOH of stirring is molten
Liquid；
(4) product is prepared：Mixed solution obtained by step (3) is centrifuged, supernatant liquor is removed, is washed with deionized
Afterwards, drying obtains zeolitic material.
Further, it is an object of the invention to provide a kind of preparation method of load hydrogen ferric oxide nano zeolitic material,
In the step (1), the particle diameter of natural zeolite is 1~3mm.Further, preferably 1~1.5mm.
Further, it is an object of the invention to provide a kind of preparation method of load hydrogen ferric oxide nano zeolitic material,
In the step (1), drying temperature is 90~120 DEG C, and drying time is 1~3h.Further, the drying temperature is
90、100、110、120℃。
Further, it is an object of the invention to provide a kind of preparation method of load hydrogen ferric oxide nano zeolitic material,
In the step (1), the number of times of deionized water washing is 3~8 times, can suitably increase number of times, with specific reference to natural zeolite
Clean level is determined.
Further, it is an object of the invention to provide a kind of preparation method of load hydrogen ferric oxide nano zeolitic material,
In the step (2), the Nano grade refers to 50~200nm.Further, the Nano grade refer to 50~100nm,
100~150nm or 150~200nm.
Further, it is an object of the invention to provide a kind of preparation method of load hydrogen ferric oxide nano zeolitic material,
In the step (3), Fe (NO3)3·9H2The concentration of O solution is 0.5~3mol/L, and the concentration of NaOH solution is 0.2~2mol/
L, OH-:Fe3+Mol ratio be 1~5:1, zeolite and Fe (NO3)3·9H2O mass ratio is 1:2~5.The OH-:Fe3+Rub
You are than being 1:1、2:1、3:1、4:1 or 5:1.Further preferably, zeolite and Fe (NO3)3·9H2O mass ratio is 1:2、1:3、1:
4 or 1:5.
Further, it is an object of the invention to provide a kind of preparation method of load hydrogen ferric oxide nano zeolitic material,
In the step (4), drying temperature is 40~70 DEG C, and drying time is 8~24h.Further, the drying temperature is
40、50、60、70℃。
On the other hand, it is an object of the invention to provide a kind of load hydrogen ferric oxide nano zeolitic material, it uses this hair
Bright described method is prepared.The particle diameter of the nanosized zeolitic material is 50~200nm.Further, particle diameter be 50~
100nm, 100~150nm or 150~200nm.
On the one hand, it is an object of the invention to provide a kind of purposes of load hydrogen ferric oxide nano zeolitic material, it is used for
The synchronous removal of Water phosphorus.
Load hydrogen ferric oxide nano natural zeolite material of the present invention be used to removing nitrogen in simulating pollution water body and
Phosphorus, for the sewage containing 1~100mg/L phosphorus, the clearance of phosphorus is between 70~99%；For containing 100mg/L phosphorus and 1~
The combined sewage of 100mg/L nitrogen, the clearance of nitrogen is 80~100%, and the clearance of phosphorus is 76~96%.
Load hydrogen ferric oxide nano natural zeolite material of the present invention is used to remove the actual polluted-water of different type
In nitrogen and phosphorus, for black and odorous water, the clearance of nitrogen and phosphorus is respectively 80~90% and 85~99%；For eutrophic water
The clearance of body, nitrogen and phosphorus is respectively 85~95% and 90~99%.
Using raw material natural zeolite rich reserves, price is low, repeatable desorption is utilized and effective rate of utilization is high；Natural zeolite
Distribution is wide, rich reserves, and with the characteristic such as strong absorption property and ion-exchange capacity, but unmodified natural zeolite is only to ammonia nitrogen
There is preferable adsorption effect, the removal effect to phosphate radical and carbonaceous organic material is very poor.
The preparation method of load hydrogen ferric oxide nano natural zeolite material of the present invention, uses natural zeolite for original
Material, the nanometer materials that particle diameter is 50~200nm are worn into first with ball mill by raw material natural zeolite, then by its uniform point
It is dispersed in Fe (NO3)3·9H2In O solution, by adding NaOH solution, make to form Fe in the surface or duct of nanometer natural zeolite
(OH)3Particle, realizes Fe (OH)3Load on zeolite, has so just obtained load hydrogen ferric oxide nano natural zeolite material.
The inventive method comprehensive inorganic salt and chemical modification, are modified to natural zeolite, not only remain zeolite original
Good denitrification effect, also by using Fe (OH)3Load and Fe-P precipitate and improve removal effect to phosphorus；Thirst in reality
It is used widely in the water remediation engineering of border.
Compared with prior art, the aperture of load hydrogen ferric oxide nano zeolitic material prepared by the present invention is Nano grade,
Not only retain the original good nitrogen removal performance of zeolite, also there is good removal effect to phosphorus, and the adsorption capacity of its nitrogen phosphorus is bright
Aobvious increase, load iron hydroxide causes nano zeolite to have the double effects of adsorption of nitrogen and phosphorus concurrently, handles and changes for comprehensive water-body
Enter to have great importance.
Load hydrogen ferric oxide nano zeolitic material prepared by the present invention can apply to difference as synchronous nitrogen and phosphorus adsorbent
PH water bodys, the removal efficiency of phosphorus is not influenceed by pH substantially, with wide utilization prospect.
In addition, the preparation method that the present invention is provided is simple, low production cost, flexibility is high, and production process generation
Water is repeatable to be utilized, and environmentally friendly, process route is short, is adapted to industrialized production.
Brief description of the drawings
The SEM figures of Figure 1A load hydrogen ferric oxide nano natural zeolite materials；
The SEM figures of Figure 1B natural zeolites；
Removal effect of Fig. 2 load hydrogen ferric oxide nano natural zeolite materials to different phosphate concentration of analog phosphor in sewage；
Synchronous remove that Fig. 3 load hydrogen ferric oxide nano natural zeolite materials simulate nitrogen phosphorus in sewage to various concentrations is imitated
Really；
The removal effect of carbon nitrogen phosphorus in Fig. 4 load hydrogen ferric oxide nano natural zeolite materials pollution sewage actual to different type
Really.
Embodiment
With specific embodiment, the present invention is further illustrated below, but the present invention is not limited by following embodiments.
Those skilled in the art can use for reference present disclosure, be suitably modified technological parameter realization.In particular, it is all similar
Replacement and change it is apparent to those skilled in the art, they are considered as being included in the present invention.The present invention
Method and application be described by preferred embodiment, related personnel can substantially not depart from present invention, essence
Method described herein and application are modified in god and scope or suitably changed with combining, to realize and using skill of the present invention
Art.
The preparation of the load hydrogen ferric oxide nano zeolitic material of embodiment 1
(1) natural zeolite that particle diameter is 1.5mm or so is first subjected to 7~8 flushings, and 120 DEG C of drying with deionized water
1h；
(2) zeolite obtained by step (1) is worn into 50~100nm zeolite using ball mill；
(3) zeolite obtained by step (2) is added to the Fe (NO that concentration is 0.5mol/L3)3·9H2In O solution, zeolite
With Fe (NO3)3·9H2O mass ratio is 1:2, after stirring, 2mol/L NaOH solution is added dropwise under agitation so that
OH-:Fe3+Mol ratio be 5:1；
(4) after being added dropwise to complete, by obtained by step (3) mixed solution carry out centrifugation 5min, remove supernatant, and spend from
Sub- water carries out washing 2~3 times, and 60~70 DEG C of drying 8h detect through SEM and energy spectrum analysis, obtain the boiling of load hydrogen ferric oxide nano
Stone material.
The preparation of the load hydrogen ferric oxide nano zeolitic material of embodiment 2
(1) natural zeolite that particle diameter is 1mm or so is first subjected to 6 flushings, and 110 DEG C of drying 1.5h with deionized water；
(2) zeolite obtained by step (1) is worn into 100~150nm zeolite using ball mill；
(3) zeolite obtained by step (2) is added to the Fe (NO that concentration is 1.5mol/L3)3·9H2In O solution, zeolite
With Fe (NO3)3·9H2O mass ratio is 1:3, after stirring, 0.2mol/L NaOH solution is added dropwise under agitation, makes
Obtain OH-:Fe3+Mol ratio be 3:1；
(4) after being added dropwise to complete, the mixed solution obtained by step (3) is subjected to centrifugation 15min, supernatant is removed, and spend
Ionized water carries out washing 4 times, and 50~60 DEG C of drying 15h detect through SEM and energy spectrum analysis, obtain the boiling of load hydrogen ferric oxide nano
Stone material.
The preparation of the load hydrogen ferric oxide nano zeolitic material of embodiment 3
(1) natural zeolite that particle diameter is 3mm or so is first subjected to 3 flushings, and 90 DEG C of drying 3h with deionized water；
(2) zeolite obtained by step (1) is worn into 150~200nm zeolite using ball mill；
(3) zeolite obtained by step (2) is added to the Fe (NO that concentration is 3mol/L3)3·9H2In O solution, zeolite with
Fe(NO3)3·9H2O mass ratio is 1:4, after stirring, 1mol/L NaOH solution is added dropwise under agitation so that
OH-:Fe3+Mol ratio be 1:1；
(4) after being added dropwise to complete, the mixed solution obtained by step (3) is subjected to centrifugation 10min, supernatant is removed, and spend
Ionized water carries out washing 5 times, and 40~50 DEG C of drying 24h detect through SEM and energy spectrum analysis, obtain the boiling of load hydrogen ferric oxide nano
Stone material.
Electricity is scanned to load hydrogen ferric oxide nano zeolitic material prepared by natural zeolite and the embodiment of the present invention 1 respectively
Mirror analyzes (SEM) and energy spectrum analysis (EDX), with the preparation effect of proof load iron hydroxide nanosized zeolitic material.Such as Figure 1A~
1B comparison, Figure 1B ESEM results show that the surface of natural zeolite is relatively rough, adhere to many sheets or irregular grain
The crystal of shape；Load hydrogen ferric oxide nano zeolitic material surface prepared by Figure 1A present invention is smooth, a large amount of ducts of appearance, and
Channel surfaces are dispersed with the sufficient flake nano level Fe (OH) that is uniformly dispersed3.Other EDX results show that Fe contents are by 2% increase
To 10%, this explanation natural zeolite is successfully realized to Fe (OH)3Load.
Removal effect of the load hydrogen ferric oxide nano natural zeolite material of embodiment 4 to different phosphate concentration of analog phosphor in sewage
The load hydrogen ferric oxide nano zeolitic material 1.0g prepared by the present invention is taken, 100mL is placed in dense equipped with 80mL differences
(phosphorus concentration is 1~100mg/L to the phosphorous simulation sewage of degree, and initial pH is in centrifuge tube 7), (25 DEG C) of constant temperature vibrates
After (160rmp) 12 hours, phosphorus concentration remaining in supernatant is determined, tp removal rate is calculated.As a result as shown in Fig. 2 the removal of phosphorus
Rate can generally reach more than 90% 70~99%.
The load hydrogen ferric oxide nano natural zeolite material of embodiment 5 is simulated the synchronous of nitrogen phosphorus in sewage to various concentrations and removed
Effect
The nanocomposite 1.0g prepared by the present invention is taken, the Nitrogen-and Phosphorus-containing that 100mL is equipped with 80mL various concentrations is placed in
Simulating combined sewage, (nitrogen concentration is 1~100mg/L, and phosphorus concentration is 100mg/L, and initial pH is in centrifuge tube 7), constant temperature (25
DEG C) vibration (160rmp) is after 12 hours, remaining concentration of nitrogen and phosphorus, calculates tp removal rate in measure supernatant.As a result such as Fig. 3 institutes
Show, for the combined sewage containing 100mg/L phosphorus and 1~100mg/L nitrogen, the clearance of nitrogen is in 79~100%, the clearance of phosphorus
75~96%.
Carbon nitrogen phosphorus is gone in the load hydrogen ferric oxide nano natural zeolite material of embodiment 6 pollution sewage actual to different type
Except effect
The nanocomposite 1.0g prepared by the present invention is taken, 100mL is placed in different types of actual dirty equipped with 80mL
In the centrifuge tube for contaminating water body, (25 DEG C) vibrations (160rmp) of constant temperature determine concentration of nitrogen and phosphorus remaining in supernatant, meter after 12 hours
Calculate nitrogen and tp removal rate.As a result as shown in figure 4, for black and odorous water, the clearance of nitrogen and phosphorus is respectively 85% and 95%；For
The clearance of eutrophication water, nitrogen and phosphorus is respectively 88% and 95%.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of preparation method of load hydrogen ferric oxide nano zeolitic material, its preparation process is as follows：
(1) pre-process：Natural zeolite is taken to be dried after being cleaned with deionized water, it is standby；
(2) crush：The zeolite of step (1) processing is carried out being crushed to Nano grade with ball mill；
(3) load：Zeolite obtained by step (2) is added to Fe (NO3)3·9H2In O solution, stirring is lower to be added dropwise NaOH solution；
(4) product is prepared：Mixed solution obtained by step (3) is centrifuged, supernatant liquor is removed, after being washed with deionized,
Drying obtains zeolitic material.
2. the preparation method of load hydrogen ferric oxide nano zeolitic material according to claim 1, wherein, the step (1)
In, the particle diameter of natural zeolite is 1~3mm.
3. the preparation method of load hydrogen ferric oxide nano zeolitic material according to claim 1, wherein, the step (1)
In, drying temperature is 90~120 DEG C, and drying time is 1~3h.
4. the preparation method of load hydrogen ferric oxide nano zeolitic material according to claim 1, wherein, the step (1)
In, the number of times of deionized water washing is 3~8 times.
5. the preparation method of load hydrogen ferric oxide nano zeolitic material according to claim 1, wherein, the step (2)
In, the Nano grade refers to 50~200nm.
6. the preparation method of load hydrogen ferric oxide nano zeolitic material according to claim 1, wherein, the step (3)
In, Fe (NO3)3·9H2The concentration of O solution is 0.5~3mol/L, and the concentration of NaOH solution is 0.2~2mol/L, OH-:Fe3+'s
Mol ratio is 1~5:1, zeolite and Fe (NO3)3·9H2O mass ratio is 1:2~5.
7. the preparation method of load hydrogen ferric oxide nano zeolitic material according to claim 1, wherein, the step (4)
In, drying temperature is 40~70 DEG C, and drying time is 8~24h.
8. load hydrogen ferric oxide nano zeolitic material prepared by a kind of method described in any one of utilization claim 1~7.
9. load hydrogen ferric oxide nano zeolitic material according to claim 8, wherein, the particle diameter of the nanosized zeolitic material
For 50~200nm.
10. the purposes of load hydrogen ferric oxide nano zeolitic material prepared by the method according to any one of claim 1~7,
It is used for the synchronous absorption of Water phosphorus.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108745322A (en) * | 2018-05-29 | 2018-11-06 | 同济大学 | Modified zeolite micro-sphere absorption material and its preparation method and application |
| CN109847692A (en) * | 2019-04-02 | 2019-06-07 | 芜湖沃泰环保科技有限公司 | A kind of preparation method of iron modified zeolite |
| CN110734133A (en) * | 2019-11-06 | 2020-01-31 | 合肥学院 | nanometer zero-valent iron-nickel composite porous material, preparation method and application thereof |
| CN113213504A (en) * | 2021-06-10 | 2021-08-06 | 吉林大学 | Application of natural stilbite in preparation of CHA molecular sieve and preparation method of CHA molecular sieve |
| CN114602470A (en) * | 2022-03-10 | 2022-06-10 | 浙江奇彩环境科技股份有限公司 | Catalyst for treating industrial sludge and preparation method and application thereof |
| CN117398965A (en) * | 2023-12-14 | 2024-01-16 | 北京中科康仑环境科技研究院有限公司 | Silicon removing material and preparation method and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105771885A (en) * | 2016-05-19 | 2016-07-20 | 中南大学 | Preparation method of modified zeolite and application of modified zeolite in arsenic-bearing waste water |
-
2017
- 2017-04-06 CN CN201710220046.8A patent/CN107020066A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105771885A (en) * | 2016-05-19 | 2016-07-20 | 中南大学 | Preparation method of modified zeolite and application of modified zeolite in arsenic-bearing waste water |
Non-Patent Citations (3)
| Title |
|---|
| 张玲 等: "负载氢氧化铁的膨胀石墨吸附剂的除磷", 《同济大学学报（自然科学版）》 * |
| 杨春平 等编著: "《废水处理原理》", 31 December 2012, 湖南大学出版社 * |
| 荣葵一 等: "《非金属矿物与岩石材料工艺学》", 30 June 1996, 武汉工业大学出版社 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108745322A (en) * | 2018-05-29 | 2018-11-06 | 同济大学 | Modified zeolite micro-sphere absorption material and its preparation method and application |
| CN109847692A (en) * | 2019-04-02 | 2019-06-07 | 芜湖沃泰环保科技有限公司 | A kind of preparation method of iron modified zeolite |
| CN110734133A (en) * | 2019-11-06 | 2020-01-31 | 合肥学院 | nanometer zero-valent iron-nickel composite porous material, preparation method and application thereof |
| CN113213504A (en) * | 2021-06-10 | 2021-08-06 | 吉林大学 | Application of natural stilbite in preparation of CHA molecular sieve and preparation method of CHA molecular sieve |
| CN113213504B (en) * | 2021-06-10 | 2022-07-08 | 吉林大学 | Application of natural stilbite in preparation of CHA molecular sieve and preparation method of CHA molecular sieve |
| CN114602470A (en) * | 2022-03-10 | 2022-06-10 | 浙江奇彩环境科技股份有限公司 | Catalyst for treating industrial sludge and preparation method and application thereof |
| CN117398965A (en) * | 2023-12-14 | 2024-01-16 | 北京中科康仑环境科技研究院有限公司 | Silicon removing material and preparation method and application thereof |
| CN117398965B (en) * | 2023-12-14 | 2024-03-08 | 北京中科康仑环境科技研究院有限公司 | Silicon removing material and preparation method and application thereof |
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Application publication date: 20170808 |