CN107456997A - A kind of Nanoscale Iron palladium resin for industrial water deoxygenation and preparation method thereof - Google Patents
A kind of Nanoscale Iron palladium resin for industrial water deoxygenation and preparation method thereof Download PDFInfo
- Publication number
- CN107456997A CN107456997A CN201710792735.6A CN201710792735A CN107456997A CN 107456997 A CN107456997 A CN 107456997A CN 201710792735 A CN201710792735 A CN 201710792735A CN 107456997 A CN107456997 A CN 107456997A
- Authority
- CN
- China
- Prior art keywords
- resin
- palladium
- water
- iron
- aqueous solution
- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/06—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing polymers
- B01J31/08—Ion-exchange resins
-
- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/06—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing polymers
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0201—Impregnation
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/16—Reducing
-
- 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
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/22—O2
Abstract
The invention discloses a kind of Nanoscale Iron palladium resin for industrial water deoxygenation, is made up of resin carrier and the nano active Metal Palladium being carried on resin and iron, and the weight percentage of Metal Palladium is 0.2 1%, and the percentage composition of metallic iron is 0.1 0.5%；The invention also discloses a kind of preparation method of the Nanoscale Iron palladium resin for industrial water deoxygenation, the first carried metal palladium on resin carrier, then metallic iron is introduced in resin metallic palladium system, Nanoscale Iron palladium resin is made, the problem of it is too high to solve traditional deoxidation method processing cost or capital cost, or treatment effect is bad, meets the needs of special type water, production is simple, and cost is cheap, easy industrialization promotion.
Description
Technical field
The present invention relates to compound oxygen scavenging material and its preparing technical field, is that one kind is used for industrial water de specifically
The Nanoscale Iron of oxygen-palladium resin and preparation method thereof.
Background technology
At normal temperatures and pressures, can be dissolved with a certain amount of oxygen in water（Dissolved oxygen）, its concentration is generally 8~10mg/L, right
For drinking water, oxygen in water concentration is higher, illustrates that water quality is better, but for many industrial waters, high concentration
Dissolved oxygen can cause the corrosion of equipment or the Quality Down of product.Such as in boiler feedwater dissolved oxygen presence, can heavy system
Corrosion, so as to shorten the service life of pipeline and equipment.Therefore,《Low-pressure boiler water standard》（GB1576-96）, it is desirable to steam
Steam boiler of the hair amount more than 6t/h must install feedwater deaeration device.In the semiconductor industry, dissolved oxygen content is equally one
The individual index for needing strictly to control, because the dissolved oxygen in water makes one layer of oxide of electronic wafer Surface Creation, this layer of oxygen
The electric conductivity of compound will influence the performance of product, so the dissolved oxygen in industrial water will be controlled in 10 μ g/L.Traditional is molten
Solution oxygen minimizing technology has thermal de-aeration, deaeration in condenser, Deadsorbing and oxygen removing, chemical deoxidization etc., but no matter which kind of method, all due to from
The defects of body and have some limitations, as processing cost or capital cost are too high, or treatment effect is bad, can not be by water
In dissolved oxygen be removed to 10 μ g/L or so, therefore can not meet the needs of special type water.
Palladium is good catalyst as a kind of transition metal, and palladium catalyst has very strong absorption and stores the work(of reactive hydrogen
Can, and the activation energy of reaction can be reduced, the reactivity of hydrogen is improved, while also there is the adsorption capacity to oxygen.Same
In the water of Shi Hanyou dissolved hydrogens and dissolved oxygen, when passing through resin surface, under the absorption and catalysis of Metal Palladium occur hydrogen and
Oxygen generates the reaction of water, so as to reach the ability for removing water oxygen.It is just non-as one with zeroth order ferrous metal reduction pollutant
Often active research field.Zero-valent Iron system has the characteristics of cheap, efficient, simple, can be quickly in deoxidization, degradation water body
Multiple pollutant, it might even be possible to the complex contamination with chlorinated organics of deoxidization, degradation structure is catalyzed, such as herbicide, Polychlorinated biphenyls
（PCBs）, chloride organic agricultural chemicals etc..Compared with the iron powder of routine, nano zero valence iron has particle small（1-100nm）, specific surface area
The advantages that big and reactivity is strong.
The content of the invention
For problems of the prior art and deficiency, it is an object of the invention to provide one kind to be used for industrial water de
The Nanoscale Iron of oxygen-palladium resin and preparation method thereof, it is too high to solve traditional deoxidation method processing cost or capital cost, or place
The problem of effect is bad is managed, meets the needs of special type water, has compared to the common deoxygen resin for being loaded with iron and preferably removes
Oxygen effect.
Technical problem solved by the invention can be realized using following technical scheme：One kind is used for industrial water deoxygenation
Nanoscale Iron-palladium resin, be made up of resin carrier and the nano active Metal Palladium that is carried on resin and iron, the weight of Metal Palladium
Percentage composition is 0.2-1%, and the percentage composition of metallic iron is 0.1-0.5%, and the resin is anion exchange resin, cation
Exchanger resin or polymeric adsorbent, resin size 0.5-2mm.
A kind of preparation method of Nanoscale Iron-palladium resin for industrial water deoxygenation, comprises the following steps：
A1. the processing of resin carrier：Resin is added in deionized water or soaked in alkaline aqueous solution, spent after filtering from
Sub- water washing；
A2. the preparation of Technique of Nano Pd resin：Resin after being handled in step A1 is soaked in water, chlorination is added in resin aqueous systems
The palladium salt aqueous solution, it is 2-7 with alkaline aqueous solution regulation system pH, at room temperature, stirring dipping 3-12 hours, is adjusted with 5%NaOH
Section system pH, place 6-12 hours, filtering, resin filter cake is entered in reactor after adding deionized water, carried out using chemical reducing agent
Reduction, activity component metal palladium is evenly distributed on resin carrier surface with nano-scale particle, then filter and wash to without chlorine from
Son, that is, obtain Technique of Nano Pd resin；
A3. the preparation of Nanoscale Iron-palladium resin：Obtained Technique of Nano Pd resin in step A2 is immersed in what deoxidation frozen water was configured to
0.7-0.84mol/L KBH4In the aqueous solution, Fe is then at the uniform velocity instilled dropwise2+Dispersant solution.
In order to preferably realize the present invention, further, the step A2 neutral and alkalis aqueous solution is NaOH, Na2CO3、KOH
Or K2CO3The aqueous solution, its concentration are 0.1-1mol/L.
In order to preferably realize the present invention, further, chemical reducing agent is water-soluble reducing agent in the step A2
HCOONa, HCHO, HCOOH or hydrazine hydrate.
In order to preferably realize the present invention, further, chemical reducing agent and the mass ratio of Metal Palladium in the step A2
For 1-10: 1.
In order to preferably realize the present invention, further, the dispersant in the step A3 is sodium carboxymethylcellulose.
In order to preferably realize the present invention, further, the concentration of dispersant sodium carboxymethylcellulose in the step A3
Scope is 0.6%-0.8%（w/w）.
The present invention compared with prior art, has advantages below and beneficial effect：
（1）Present invention carried metal palladium on resin carrier, by the absorption and catalytic action of Metal Palladium, is effectively removed industrial
Oxygen in water；
（2）The present invention introduce metallic iron in resin metallic palladium system, be made Nanoscale Iron-palladium resin, metallic iron palladium it is dual
Effect improves the sewage treatment capacity of resin material.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.
Embodiment 1：
A kind of Nanoscale Iron-palladium resin for industrial water deoxygenation of the present embodiment, it is characterised in that：By resin carrier and load
Formed in the nano active Metal Palladium on resin and iron, the weight percentage of Metal Palladium is 0.2%, the percentage composition of metallic iron
For 0.1%, the resin is anion exchange resin, resin size 0.5mm.
A kind of preparation method of Nanoscale Iron-palladium resin for industrial water deoxygenation of the present embodiment, enters as follows
OK：
A1. the processing of resin carrier：Resin is added in deionized water or soaked in alkaline aqueous solution, spent after filtering from
Sub- water washing；
A2. the preparation of Technique of Nano Pd resin：Resin after being handled in step A1 is soaked in water, chlorination is added in resin aqueous systems
The palladium salt aqueous solution, it is 2 with alkaline aqueous solution regulation system pH, at room temperature, stirring dipping 3 hours, with 5%NaOH regulation systems
PH, place 6 hours, filtering, resin filter cake is entered in reactor after adding deionized water, reduced using chemical reducing agent, activity
Component metals palladium is evenly distributed on resin carrier surface with nano-scale particle, then filters and washs to without chlorion, that is, obtains
Technique of Nano Pd resin；
A3. the preparation of Nanoscale Iron-palladium resin：Obtained Technique of Nano Pd resin in step A2 is immersed in what deoxidation frozen water was configured to
0.7-0.84mol/L KBH4In the aqueous solution, Fe is then at the uniform velocity instilled dropwise2+Dispersant solution.
The wherein step A2 neutral and alkalis aqueous solution is NaOH, and chemical reducing agent is water-soluble in concentration 0.1mol/L, step A2
Property reducing agent HCOONa, be 1: 1 with the mass ratio of Metal Palladium, the dispersant in step A3 is sodium carboxymethylcellulose, and concentration is
0.6%（w/w）.
Embodiment 2：
A kind of Nanoscale Iron-palladium resin for industrial water deoxygenation of the present embodiment, it is characterised in that：By resin carrier and load
Formed in the nano active Metal Palladium on resin and iron, the weight percentage of Metal Palladium is 1%, and the percentage composition of metallic iron is
0.5%, the resin is anion exchange resin, resin size 2mm.
A kind of preparation method of Nanoscale Iron-palladium resin for industrial water deoxygenation of the present embodiment, enters as follows
OK：
A1. the processing of resin carrier：Resin is added in deionized water or soaked in alkaline aqueous solution, spent after filtering from
Sub- water washing；
A2. the preparation of Technique of Nano Pd resin：Resin after being handled in step A1 is soaked in water, chlorination is added in resin aqueous systems
The palladium salt aqueous solution, it is 7 with alkaline aqueous solution regulation system pH, at room temperature, stirring dipping 12 hours, body is adjusted with 5%NaOH
It is pH, places 12 hours, filtering, resin filter cake is entered in reactor after adding deionized water, reduced using chemical reducing agent, living
Property component metals palladium is evenly distributed on resin carrier surface with nano-scale particle, then filters and washs to without chlorion, produces
To Technique of Nano Pd resin；
A3. the preparation of Nanoscale Iron-palladium resin：Obtained Technique of Nano Pd resin in step A2 is immersed in what deoxidation frozen water was configured to
0.7-0.84mol/L KBH4In the aqueous solution, Fe is then at the uniform velocity instilled dropwise2+Dispersant solution.
Wherein the step A2 neutral and alkalis aqueous solution is Na2CO3, chemical reducing agent is water solubility in concentration 1mol/L, step A2
Reducing agent HCHO, it is 10: 1 with the mass ratio of Metal Palladium, the dispersant in step A3 is sodium carboxymethylcellulose, concentration 0.8%
（w/w）.
Embodiment 3：
A kind of Nanoscale Iron-palladium resin for industrial water deoxygenation of the present embodiment, it is characterised in that：By resin carrier and load
Formed in the nano active Metal Palladium on resin and iron, the weight percentage of Metal Palladium is 0.5%, the percentage composition of metallic iron
For 0.3%, the resin is anion exchange resin, resin size 1mm.
A kind of preparation method of Nanoscale Iron-palladium resin for industrial water deoxygenation of the present embodiment, enters as follows
OK：
A1. the processing of resin carrier：Resin is added in deionized water or soaked in alkaline aqueous solution, spent after filtering from
Sub- water washing；
A2. the preparation of Technique of Nano Pd resin：Resin after being handled in step A1 is soaked in water, chlorination is added in resin aqueous systems
The palladium salt aqueous solution, it is 5 with alkaline aqueous solution regulation system pH, at room temperature, stirring dipping 5 hours, with 5%NaOH regulation systems
PH, place 8 hours, filtering, resin filter cake is entered in reactor after adding deionized water, reduced using chemical reducing agent, activity
Component metals palladium is evenly distributed on resin carrier surface with nano-scale particle, then filters and washs to without chlorion, that is, obtains
Technique of Nano Pd resin；
A3. the preparation of Nanoscale Iron-palladium resin：Obtained Technique of Nano Pd resin in step A2 is immersed in what deoxidation frozen water was configured to
0.7-0.84mol/L KBH4In the aqueous solution, Fe is then at the uniform velocity instilled dropwise2+Dispersant solution.
The wherein step A2 neutral and alkalis aqueous solution is KOH, and chemical reducing agent is water solubility in concentration 0.5mol/L, step A2
Reducing agent HCOONHCOOH, it is 5: 1 with the mass ratio of Metal Palladium, the dispersant in step A3 is sodium carboxymethylcellulose, concentration
For 0.7%（w/w）.
Embodiment 4：
A kind of Nanoscale Iron-palladium resin for industrial water deoxygenation of the present embodiment, it is characterised in that：By resin carrier and load
Formed in the nano active Metal Palladium on resin and iron, the weight percentage of Metal Palladium is 0.7%, the percentage composition of metallic iron
For 0.4%, the resin is anion exchange resin, resin size 1.5mm.
A kind of preparation method of Nanoscale Iron-palladium resin for industrial water deoxygenation of the present embodiment, enters as follows
OK：
A1. the processing of resin carrier：Resin is added in deionized water or soaked in alkaline aqueous solution, spent after filtering from
Sub- water washing；
A2. the preparation of Technique of Nano Pd resin：Resin after being handled in step A1 is soaked in water, chlorination is added in resin aqueous systems
The palladium salt aqueous solution, it is 3 with alkaline aqueous solution regulation system pH, at room temperature, stirring dipping 10 hours, body is adjusted with 5%NaOH
It is pH, places 10 hours, filtering, resin filter cake is entered in reactor after adding deionized water, reduced using chemical reducing agent, living
Property component metals palladium is evenly distributed on resin carrier surface with nano-scale particle, then filters and washs to without chlorion, produces
To Technique of Nano Pd resin；
A3. the preparation of Nanoscale Iron-palladium resin：Obtained Technique of Nano Pd resin in step A2 is immersed in what deoxidation frozen water was configured to
0.7-0.84mol/L KBH4In the aqueous solution, Fe is then at the uniform velocity instilled dropwise2+Dispersant solution.
Wherein the step A2 neutral and alkalis aqueous solution is K2CO3, chemical reducing agent is water-soluble in concentration 0.8mol/L, step A2
Property reducing agent hydrazine hydrate, be 8: 1 with the mass ratio of Metal Palladium, the dispersant in step A3 is sodium carboxymethylcellulose, and concentration is
0.65%（w/w）.
Embodiment 5：
A kind of Nanoscale Iron-palladium resin for industrial water deoxygenation of the present embodiment, it is characterised in that：By resin carrier and load
Formed in the nano active Metal Palladium on resin and iron, the weight percentage of Metal Palladium is 0.3%, the percentage composition of metallic iron
For 0.4%, the resin is anion exchange resin, resin size 1.6mm.
A kind of preparation method of Nanoscale Iron-palladium resin for industrial water deoxygenation of the present embodiment, enters as follows
OK：
A1. the processing of resin carrier：Resin is added in deionized water or soaked in alkaline aqueous solution, spent after filtering from
Sub- water washing；
A2. the preparation of Technique of Nano Pd resin：Resin after being handled in step A1 is soaked in water, chlorination is added in resin aqueous systems
The palladium salt aqueous solution, it is 6 with alkaline aqueous solution regulation system pH, at room temperature, stirring dipping 9 hours, with 5%NaOH regulation systems
PH, place 11 hours, filtering, resin filter cake is entered in reactor after adding deionized water, reduced using chemical reducing agent, activity
Component metals palladium is evenly distributed on resin carrier surface with nano-scale particle, then filters and washs to without chlorion, that is, obtains
Technique of Nano Pd resin；
A3. the preparation of Nanoscale Iron-palladium resin：Obtained Technique of Nano Pd resin in step A2 is immersed in what deoxidation frozen water was configured to
0.7-0.84mol/L KBH4In the aqueous solution, Fe is then at the uniform velocity instilled dropwise2+Dispersant solution.
The wherein step A2 neutral and alkalis aqueous solution is NaOH, and chemical reducing agent is water-soluble in concentration 0.5mol/L, step A2
Property reducing agent HCOONa, be 7: 1 with the mass ratio of Metal Palladium, the dispersant in step A3 is sodium carboxymethylcellulose, and concentration is
0.6%（w/w）.
Oxygen scavenging material made from embodiment 1~5 is subjected to water purification experiment, step is as follows：
1st, 100g oxygen scavenging materials are loaded in 500mL cylindrical reactors；
2nd, the boiler water or industry water to be handled are slowly introducing from reactor bottom；
3rd, the reaction time is controlled, determines the dissolved oxygen situation of change of water outlet untill constant, record treatment effect data are as follows
Shown in table；
Wherein comparative example 1 is Nanoscale Iron resin, and comparative example 2 is Technique of Nano Pd resin, and it is removed using the experiment of identical water purification
Oxygen effect performance detection.
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Comparative example 1 | Comparative example 2 |
| Water inlet oxygen concentration/ppm | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Water outlet oxygen concentration/ppm | 1.2 | 1.1 | 1.0 | 1.5 | 1.0 | 4.1 | 3.2 |
As can be seen from the above table, Nanoscale Iron produced by the present invention-palladium deoxygen resin and Nanoscale Iron deoxygen resin and Technique of Nano Pd resin
Compare, water inlet oxygen concentration must in the case of, water outlet oxygen concentration reduces more, shows Nanoscale Iron-palladium deoxygen resin due to tool
There is the dual catalytic function of iron and palladium, obtain more preferable deoxygenation performance.
Finally illustrate, have been shown and described above the present invention general principle and principal character and the present invention it is excellent
Point.It will be understood by a person skilled in the art that the present invention is not limited to the above embodiments, described in above-described embodiment and specification
The simply present invention principle, without departing from the spirit and scope of the present invention, the present invention, which also has, various change and to be changed
Enter, these changes and improvements all fall within the protetion scope of the claimed invention.
Claims (7)
- A kind of 1. Nanoscale Iron-palladium resin for industrial water deoxygenation, it is characterised in that：By resin carrier and it is carried on resin Nano active Metal Palladium and iron composition, the weight percentage of Metal Palladium is 0.2-1%, and the percentage composition of metallic iron is 0.1- 0.5%, the resin is anion exchange resin, cationic ion-exchange resin or polymeric adsorbent, resin size 0.5-2mm.
- 2. preparing a kind of method of Nanoscale Iron-palladium resin for industrial water deoxygenation described in claim 1, its feature exists In comprising the following steps：A1. the processing of resin carrier：Resin is added in deionized water or soaked in alkaline aqueous solution, spent after filtering from Sub- water washing；A2. the preparation of Technique of Nano Pd resin：Resin after being handled in step A1 is soaked in water, chlorination is added in resin aqueous systems The palladium salt aqueous solution, it is 2-7 with alkaline aqueous solution regulation system pH, at room temperature, stirring dipping 3-12 hours, is adjusted with 5%NaOH Section system pH, place 6-12 hours, filtering, resin filter cake is entered in reactor after adding deionized water, carried out using chemical reducing agent Reduction, activity component metal palladium is evenly distributed on resin carrier surface with nano-scale particle, then filter and wash to without chlorine from Son, that is, obtain Technique of Nano Pd resin；A3. the preparation of Nanoscale Iron-palladium resin：Obtained Technique of Nano Pd resin in step A2 is immersed in what deoxidation frozen water was configured to 0.7-0.84mol/L KBH4In the aqueous solution, Fe is then at the uniform velocity instilled dropwise2+Dispersant solution.
- 3. the method according to claim 2 for preparing the Nanoscale Iron for industrial water deoxygenation-palladium resin, its feature exist In：The step A2 neutral and alkalis aqueous solution is NaOH, Na2CO3, KOH or K2CO3The aqueous solution, its concentration are 0.1-1mol/L.
- 4. the method according to claim 2 for preparing the Nanoscale Iron for industrial water deoxygenation-palladium resin, its feature exist In：Chemical reducing agent is water-soluble reducing agent HCOONa, HCHO, HCOOH or hydrazine hydrate in the step A2.
- 5. the method according to claim 2 for preparing the Nanoscale Iron for industrial water deoxygenation-palladium resin, its feature exist In：Chemical reducing agent and the mass ratio of Metal Palladium are 1-10: 1 in the step A2.
- 6. the side of the lysine polyurethane medical material according to claim 2 for preparing the modification of carboxymethyl chitosan surface Method, it is characterised in that：Dispersant in the step A3 is sodium carboxymethylcellulose.
- 7. the side of the lysine polyurethane medical material according to claim 2 for preparing the modification of carboxymethyl chitosan surface Method, it is characterised in that：The concentration range of dispersant sodium carboxymethylcellulose is 0.6%-0.8% in the step A3（w/w）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710792735.6A CN107456997A (en) | 2017-09-05 | 2017-09-05 | A kind of Nanoscale Iron palladium resin for industrial water deoxygenation and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710792735.6A CN107456997A (en) | 2017-09-05 | 2017-09-05 | A kind of Nanoscale Iron palladium resin for industrial water deoxygenation and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107456997A true CN107456997A (en) | 2017-12-12 |
Family
ID=60551098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710792735.6A Pending CN107456997A (en) | 2017-09-05 | 2017-09-05 | A kind of Nanoscale Iron palladium resin for industrial water deoxygenation and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107456997A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109465034A (en) * | 2018-11-09 | 2019-03-15 | 中国船舶重工集团公司第七八研究所 | It is a kind of for eliminating the catalyst and preparation method thereof of dissolved oxygen in liquid |
| CN115414917A (en) * | 2022-08-19 | 2022-12-02 | 中国船舶重工集团公司第七一九研究所 | Nano-copper adsorption deoxidizing resin and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006100987A1 (en) * | 2005-03-18 | 2006-09-28 | Nippon Shokubai Co., Ltd. | Catalyst for removing oxygen and method for removing oxygen using the catalyst |
| CN101549291A (en) * | 2009-05-08 | 2009-10-07 | 西安凯立化工有限公司 | Catalyst for removing dissolved oxygen in water and preparing method thereof |
| CN103157471A (en) * | 2011-12-16 | 2013-06-19 | 西南化工研究设计院 | Deoxidation catalyst for olefin gas, preparation method and application thereof |
| CN105458290A (en) * | 2015-12-03 | 2016-04-06 | 中建中环工程有限公司 | Method for rapidly manufacturing nano-palladium/iron with scattered dispersing agent and scattered surface active agent |
-
2017
- 2017-09-05 CN CN201710792735.6A patent/CN107456997A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006100987A1 (en) * | 2005-03-18 | 2006-09-28 | Nippon Shokubai Co., Ltd. | Catalyst for removing oxygen and method for removing oxygen using the catalyst |
| CN101549291A (en) * | 2009-05-08 | 2009-10-07 | 西安凯立化工有限公司 | Catalyst for removing dissolved oxygen in water and preparing method thereof |
| CN103157471A (en) * | 2011-12-16 | 2013-06-19 | 西南化工研究设计院 | Deoxidation catalyst for olefin gas, preparation method and application thereof |
| CN105458290A (en) * | 2015-12-03 | 2016-04-06 | 中建中环工程有限公司 | Method for rapidly manufacturing nano-palladium/iron with scattered dispersing agent and scattered surface active agent |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109465034A (en) * | 2018-11-09 | 2019-03-15 | 中国船舶重工集团公司第七八研究所 | It is a kind of for eliminating the catalyst and preparation method thereof of dissolved oxygen in liquid |
| CN115414917A (en) * | 2022-08-19 | 2022-12-02 | 中国船舶重工集团公司第七一九研究所 | Nano-copper adsorption deoxidizing resin and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Sun et al. | Degradation of organic dyes over fenton-like Cu2O–Cu/C catalysts | |
| CN101374769B (en) | Method and apparatus for removing hydrogen peroxide | |
| CN107282082B (en) | Supported noble metal catalyst with coating structure, preparation method thereof and application thereof in Cr (VI) liquid phase catalytic reduction | |
| CN107029720B (en) | Support type high grade oxidation catalytic material and preparation method thereof | |
| Wang et al. | Removal of trace arsenite through simultaneous photocatalytic oxidation and adsorption by magnetic Fe3O4@ PpPDA@ TiO2 core–shell nanoparticles | |
| Lan et al. | Decomplexation of Cu (II)-EDTA over oxygen-doped g-C3N4: An available resource towards environmental sustainability | |
| Miao et al. | Continuous and complete conversion of high concentration p‐nitrophenol in a flow‐through membrane reactor | |
| WO2014209929A1 (en) | Methods and apparatus for treatment of liquids containing contaminants using zero valent nanoparticles | |
| CN106396075A (en) | Method for catalytically degrading organic wastewater by using sodium hypochlorite | |
| CN103877978B (en) | Preparation and the application of Fenton-like method advanced treatment of dyeing wastewater catalyst | |
| CN107456997A (en) | A kind of Nanoscale Iron palladium resin for industrial water deoxygenation and preparation method thereof | |
| Yazdanbakhsh et al. | Performance of granular activated carbon/nanoscale zero-valent iron for removal of humic substances from aqueous solution based on Experimental Design and Response Surface Modeling | |
| Homhoul et al. | Treatment of distillery wastewater by the nano‐scale zero‐valent iron and the supported nano‐scale zero‐valent iron | |
| Xu et al. | Enhanced reactivity and electron selectivity of GAC-Fe-Cu ternary micro-electrolysis system toward p-chloronitrobenzene under oxic conditions | |
| Li et al. | Nanoscale zero-valent iron-modified PVDF membrane prepared by a simple filter-press coating method can robustly remove 2-chlorophenol from wastewater | |
| Yun et al. | Reduction of nitrate in secondary effluent of wastewater treatment plants by Fe 0 reductant and Pd–Cu/graphene catalyst | |
| Erdem et al. | Synthesis and characterization of a novel activated carbon–supported cobalt catalyst from biomass mixture for tetracycline degradation via persulfate activation | |
| CN109205753A (en) | Modified iron-copper bi-metal nano particle and preparation method thereof | |
| Ullah et al. | Rapid and long-effective removal of broad-spectrum pollutants from aqueous system by ZVI/oxidants | |
| Chen et al. | Insights into periodate oxidation of antibiotics mediated by visible-light-induced polymeric carbon nitride: Performance and mechanism | |
| KR102018645B1 (en) | Hydrogen peroxide decomposition catalysts and preparation method thereof, apparatus and method for decomposing hydrogen peroxide | |
| Tian et al. | Lignin-based electrospun nanofiber membrane decorated with photo-Fenton Ag@ MIF-100 (Fe) heterojunctions for complex wastewater remediation | |
| Lee et al. | Integrating suspended copper/iron bimetal nanoparticles and microwave irradiation for treating chlorobenzene in aqueous solution | |
| CN111875025A (en) | Graphene type nitrogen carbide loaded nano zero-valent iron composite material and preparation method and application thereof | |
| CN101549291B (en) | Catalyst for removing dissolved oxygen in water and preparing method thereof |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171212 |
|
| RJ01 | Rejection of invention patent application after publication |