CN106378165B - A kind of preparation method of yttrium oxide/silver orthophosphate composite catalyst - Google Patents
A kind of preparation method of yttrium oxide/silver orthophosphate composite catalyst Download PDFInfo
- Publication number
- CN106378165B CN106378165B CN201610911876.0A CN201610911876A CN106378165B CN 106378165 B CN106378165 B CN 106378165B CN 201610911876 A CN201610911876 A CN 201610911876A CN 106378165 B CN106378165 B CN 106378165B
- Authority
- CN
- China
- Prior art keywords
- silver
- colloidal solution
- yttrium
- composite catalyst
- silver orthophosphate
- 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.)
- Active
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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/14—Phosphorus; Compounds thereof
- B01J27/16—Phosphorus; Compounds thereof containing oxygen, i.e. acids, anhydrides and their derivates with N, S, B or halogens without carriers or on carriers based on C, Si, Al or Zr; also salts of Si, Al and Zr
- B01J27/18—Phosphorus; Compounds thereof containing oxygen, i.e. acids, anhydrides and their derivates with N, S, B or halogens without carriers or on carriers based on C, Si, Al or Zr; also salts of Si, Al and Zr with metals other than Al or Zr
- B01J27/1802—Salts or mixtures of anhydrides with compounds of other metals than V, Nb, Ta, Cr, Mo, W, Mn, Tc, Re, e.g. phosphates, thiophosphates
- B01J27/1817—Salts or mixtures of anhydrides with compounds of other metals than V, Nb, Ta, Cr, Mo, W, Mn, Tc, Re, e.g. phosphates, thiophosphates with copper, silver or gold
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
Abstract
The present invention discloses a kind of preparation method of yttrium oxide/silver orthophosphate composite catalyst, in turn includes the following steps：The ammonium hydroxide that 3~6mL mass fractions are 15%~25% is added dropwise in the yttrium nitrate solution of a concentration of 0.2~0.3mol/L of 5mL, obtains yttrium hydroxide colloidal solution；It by 1~10mL of silver nitrate solution 1mL and disodium phosphate soln, is mixed under 350~400 revs/min of rotating speed, persistently stirs 3~4h, generated silver orthophosphate and form yellow green colloidal solution；Obtained yellow green colloidal solution and black colloidal solution are mixed into 20~30min under continuous stirring, drying is calcined after obtaining at 600~800 DEG C, and a kind of yttrium oxide/silver orthophosphate composite catalyst is obtained.Obtained catalyst is compound uniformly, stablizes, and light degradation treatment effeciency is high.
Description
Technical field
The present invention relates to novel environmental pollution control material field more particularly to a kind of yttrium oxide/silver orthophosphate composite catalysts
Preparation method.
Background technology
With the development of science and technology, the murder by poisoning organic pollution generated in industrial and agricultural production seriously threatens environment and people
The health of class seeks a kind of new and effective environmental improvement technology and has great importance.Photocatalysis technology is energy saving, high because of its
Effect, contaminant degradation thoroughly, non-secondary pollution advantage, have become a kind of emerging environmental improvement with important application foreground at present
Technology.In recent years, the development of new and effective visible-light photocatalyst becomes an important research content in photocatalysis technology,
The wherein catalysis material with surface plasma resonance effect, because of its unique Surface Physical Chemistry property and efficient visible
Light photocatalysis performance, becomes one of hot spot of research.
However, the visible-light photocatalysis material reported at present has higher photo-generated carrier recombination rate and poor mostly
Visible absorption, cause its quantum efficiency relatively low.Therefore, new and effective visible-light photocatalysis material is developed, semiconductor is expanded
Material spectrum response range and promotion light induced electron and hole efficiently separate, and become current catalysis material research field and are badly in need of
The problem in science of solution.
Invention content
During to overcome the shortcomings of photocatalytic pollutant degradation in the prior art, a kind of oxygen is provided
Change the preparation method of yttrium/silver orthophosphate composite catalyst.
For this purpose, the present invention provides following technical scheme, a kind of preparation method of yttrium oxide/silver orthophosphate composite catalyst,
It in turn includes the following steps：
1) it is 15%~25% 3~6mL mass fractions to be added dropwise in the yttrium nitrate solution of a concentration of 0.2~0.3mol/L of 5mL
Ammonium hydroxide, obtain yttrium hydroxide colloidal solution；
2) 20~24mmol silver nitrates are weighed, the silver nitrate solution of 20mmol/L is configured to, weigh 6.6~8mmol phosphoric acid
Disodium hydrogen is configured to the disodium phosphate soln of 20mmol/L；
3) it by 1~10mL of silver nitrate solution 1mL and disodium phosphate soln, is mixed under 350~400 revs/min of rotating speed
It closes, persistently stirs 3~4h, generate silver orthophosphate and form yellow green colloidal solution；
4) obtained yellow green colloidal solution and black colloidal solution are mixed into 20~30min under continuous stirring, dried
It is calcined at 600~800 DEG C after obtaining, obtains a kind of yttrium oxide/silver orthophosphate composite catalyst.
Yttrium hydroxide black colloidal solution (positively charged) and yellow green phosphoric acid silver colloidal solution (negatively charged) institute during being somebody's turn to do
It is electrically charged on the contrary, colloidal solid be combined with each other under electrostatic interaction, it is evenly dispersed.Obtained catalyst is compound uniformly, stablizes,
Light degradation treatment effeciency is high.
Specific implementation mode
With reference to embodiment, the present invention will be described in detail, but the present invention is not limited to this.
Embodiment 1
The ammonium hydroxide that 6mL mass fractions are 25% is added dropwise in the yttrium nitrate solution of a concentration of 0.3mol/L of 5mL, obtains hydroxide
Yttrium colloidal solution；24mmol silver nitrates are weighed, the silver nitrate solution of 20mmol/L is configured to, 8mmol disodium hydrogen phosphates is weighed, matches
It is set to the disodium phosphate soln of 20mmol/L；By silver nitrate solution 1mL and disodium phosphate soln 10mL, at 400 revs/min
Rotating speed under mix, persistently stir 4h, generate silver orthophosphate and form yellow green colloidal solution；By obtained yellow green colloidal solution and
Black colloidal solution mixes 30min under continuous stirring, and drying is calcined after obtaining at 800 DEG C, and a kind of yttrium oxide/phosphoric acid is obtained
Silver-colored composite catalyst.
Yttrium oxide obtained/silver orthophosphate composite catalyst is used to handle the waste water of the II containing gold orange：0.5g yttrium oxides/phosphoric acid
Silver-colored composite catalyst is added in the waste water of the gold orange II of a concentration of 30mg/L of 100mL, under the irradiation of 300w Metal halogen lamps, reaction
0.5h, percent of decolourization 98.5%.
Embodiment 2
The ammonium hydroxide that 3mL mass fractions are 15% is added dropwise in the yttrium nitrate solution of a concentration of 0.2mol/L of 5mL, obtains hydroxide
Yttrium colloidal solution；20mmol silver nitrates are weighed, the silver nitrate solution of 20mmol/L is configured to, weigh 6.6mmol disodium hydrogen phosphates,
It is configured to the disodium phosphate soln of 20mmol/L；By silver nitrate solution 1mL and disodium phosphate soln 1mL, at 350 revs/min
It is mixed under the rotating speed of clock, persistently stirs 3h, generated silver orthophosphate and form yellow green colloidal solution；The yellow green colloidal solution that will be obtained
20min is mixed under continuous stirring with black colloidal solution, and drying is calcined after obtaining at 600 DEG C, and a kind of yttrium oxide/phosphorus is obtained
Sour silver composite catalyst.
By yttrium oxide obtained/silver orthophosphate composite catalyst for handling wastewater containing methylene blue：0.5g yttrium oxides/phosphoric acid
Silver-colored composite catalyst is added in the methylene blue waste water of a concentration of 30mg/L of 100mL, under the irradiation of 300w Metal halogen lamps, reaction
0.5h, percent of decolourization 98.7%.
Embodiment 3
The ammonium hydroxide that 5mL mass fractions are 20% is added dropwise in the yttrium nitrate solution of a concentration of 0.2mol/L of 5mL, obtains hydroxide
Yttrium colloidal solution；24mmol silver nitrates are weighed, the silver nitrate solution of 20mmol/L is configured to, 8mmol disodium hydrogen phosphates is weighed, matches
It is set to the disodium phosphate soln of 20mmol/L；By silver nitrate solution 1mL and disodium phosphate soln 8mL, at 400 revs/min
Rotating speed under mix, persistently stir 4h, generate silver orthophosphate and form yellow green colloidal solution；By obtained yellow green colloidal solution and
Black colloidal solution mixes 25min under continuous stirring, and drying is calcined after obtaining at 700 DEG C, and a kind of yttrium oxide/phosphoric acid is obtained
Silver-colored composite catalyst.
By yttrium oxide obtained/silver orthophosphate composite catalyst for handling the waste water of II containing gold orange：0.5g yttrium oxides/silver orthophosphate
Composite catalyst is added in the gold orange II waste water of a concentration of 30mg/L of 100mL, under the irradiation of 300w Metal halogen lamps, reacts 0.5h,
Percent of decolourization is 99.2%.
Claims (1)
1. a kind of preparation method of yttrium oxide/silver orthophosphate composite catalyst, it is characterised in that：
1) ammonia that 3~6mL mass fractions are 15%~25% is added dropwise in the yttrium nitrate solution of a concentration of 0.2~0.3mol/L of 5mL
Water obtains yttrium hydroxide colloidal solution；
2) 20~24mmol silver nitrates are weighed, the silver nitrate solution of 20mmol/L is configured to, weigh 6.6~8mmol phosphoric acid hydrogen two
Sodium is configured to the disodium phosphate soln of 20mmol/L；
3) it by 1~10mL of silver nitrate solution 1mL and disodium phosphate soln, mixes, holds under 350~400 revs/min of rotating speed
3~4h of continuous stirring generates silver orthophosphate and forms yellow green colloidal solution；
4) obtained yellow green colloidal solution and black colloidal solution are mixed into 20~30min under continuous stirring, drying obtains
It is calcined at 600~800 DEG C afterwards, obtains a kind of yttrium oxide/silver orthophosphate composite catalyst.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610911876.0A CN106378165B (en) | 2016-10-19 | 2016-10-19 | A kind of preparation method of yttrium oxide/silver orthophosphate composite catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610911876.0A CN106378165B (en) | 2016-10-19 | 2016-10-19 | A kind of preparation method of yttrium oxide/silver orthophosphate composite catalyst |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106378165A CN106378165A (en) | 2017-02-08 |
| CN106378165B true CN106378165B (en) | 2018-10-19 |
Family
ID=57958357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610911876.0A Active CN106378165B (en) | 2016-10-19 | 2016-10-19 | A kind of preparation method of yttrium oxide/silver orthophosphate composite catalyst |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106378165B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106881122A (en) * | 2017-03-30 | 2017-06-23 | 常州大学 | A kind of silver orthophosphate loads the preparation method of trbasic zinc phosphate photochemical catalyst |
| CN108097280A (en) * | 2017-12-29 | 2018-06-01 | 辽宁石油化工大学 | A kind of preparation method of silver orthophosphate compound phosphoric acid bismuth photochemical catalyst |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102626647B (en) * | 2012-03-30 | 2014-06-18 | 常州大学 | Synthesizing method of playgouskite-loaded silver orthophosphate photochemical catalyst |
| KR101633554B1 (en) * | 2014-09-17 | 2016-06-27 | 한국과학기술원 | Gas sensor and member using metal oxide semiconductor nanofibers including nanoparticle catalyst functionalized by bifunctional nano-catalyst included within apoferritin, and manufacturing method thereof |
-
2016
- 2016-10-19 CN CN201610911876.0A patent/CN106378165B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106378165A (en) | 2017-02-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104128184B (en) | A kind of float type CoFe2O4/TiO2/ float bead composite photochemical catalyst and preparation method thereof | |
| CN105056981B (en) | Preparation and application of composite photocatalyst g-C3N4-BiFeO3 for efficiently removing persistent organic pollutants | |
| CN103990481B (en) | A kind of preparation method of silver metavanadate/silver/silver orthophosphate composite catalyst | |
| CN109939643A (en) | α-Fe2O3Adulterate the preparation method and applications of charcoal | |
| CN106115841A (en) | The system of ammoniacal nitrogen in a kind of pair of optoelectronic pole photochemical catalytic oxidation water | |
| CN104445508A (en) | Double-effect optical Fenton denitrification method of manganese ferrite or carbon composite material of manganese ferrite | |
| CN110237834A (en) | A kind of preparation method of carbon quantum dot/zinc oxide visible-light-inducephotocatalyst photocatalyst | |
| CN106378165B (en) | A kind of preparation method of yttrium oxide/silver orthophosphate composite catalyst | |
| CN105148972A (en) | Preparation method and application of novel catalyst for reducing nitrate nitrogen in water under visible light condition | |
| CN103894216A (en) | Preparation method of magnetic nano silver phosphate/titanium dioxide composite photocatalytic material | |
| CN106693996A (en) | Preparation method and application for bismuth sulfide-bismuth ferrate composite visible-light photocatalyst | |
| CN108671951A (en) | A kind of nitridation carbon composite photocatalyst and its preparation method and application | |
| CN104368369B (en) | A kind of preparation method of silver phosphate-cadmium sulfide compounded visible light photocatalyst | |
| CN109225280A (en) | A kind of tri compound visible light catalyst and its preparation method and application | |
| CN106984346A (en) | A kind of preparation method of silver orthophosphate compound phosphoric acid bismuth photochemical catalyst | |
| CN103990476B (en) | A kind of preparation method of sulfur doping silver phosphate catalyst | |
| CN106513025B (en) | A kind of preparation method of yttrium phosphate/silver orthophosphate composite catalyst | |
| CN107096553A (en) | A kind of silver orthophosphate loads the preparation method of cobalt phosphate/silver chlorate photochemical catalyst | |
| CN106881122A (en) | A kind of silver orthophosphate loads the preparation method of trbasic zinc phosphate photochemical catalyst | |
| CN106311296A (en) | Preparation method of iron phosphate/yttrium phosphate composite catalyst | |
| CN106378168A (en) | Preparation method of manganese phosphate/yttrium phosphate composite catalyst | |
| CN106391068B (en) | A kind of preparation method of manganese oxide/yttrium phosphate composite catalyst | |
| CN106944109A (en) | A kind of preparation method of silver orthophosphate compound phosphoric acid iron photochemical catalyst | |
| CN106391087B (en) | A kind of preparation method of novismuth compound phosphoric acid yttrium catalyst | |
| CN106492860A (en) | A kind of preparation method of iron phosphate/manganese phosphate/yttrium phosphate composite catalyst |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |