Fact Snapshot
- Paper: Insight into a novel microwave-assisted W doped BiVO4 self-assembled sphere with rich oxygen vacancies oriented on rGO (W-BiVO4-x/rGO) photocatalyst for efficient contaminants removal
- Equipment: XH-8000 / XH-8000Plus
- Source: Separation and Purification Technology, 2021
- Research direction: graphene and microwave hydrothermal synthesis
- Core conditions: Time 12 h / 30 min
- Key results: Removal 78.7%, Removal efficiency 93.6%, Removal efficiency 12.9%, and Degradation efficiency 6.9%
Research Abstract
Insight into a novel microwave-assisted W doped BiVO4 self-assembled sphere with rich oxygen vacancies oriented on rGO (W-BiVO4-x/rGO) photocatalyst for efficient contaminants removal was published in Separation and Purification Technology (2021) and is indexed as a Xianghu Q1 application case for XH-8000 / XH-8000Plus. The source record connects it with graphene and microwave hydrothermal synthesis. Core operating conditions include Time 12 h / 30 min. Key reported results include Removal 78.7%, Removal efficiency 93.6%, Removal efficiency 12.9%, and Degradation efficiency 6.9%.
Research Background and Problem
Equipment Use and Experimental Conditions
| Item | Parameter |
|---|---|
| Time | 12 h / 30 min |
Key Result
| Metric | Result |
|---|---|
| Removal | 78.7% |
| Degradation efficiency | 6.9% |
| Removal | 26.2% |
| Removal | 86.8% |
| Removal efficiency | 93.6% |
| Removal efficiency | 12.9% |
Evidence Details
Equipment-detail evidence: source values include 1:2, 2:1.
The value of k over BiVO4, W-BiVO4, BiVO4/rGO, W-BiVO4/rGO, and W-BiVO4-x/rGO photocatalysts were 0.00409 min−1, 0.00681 min−1, 0.00822 min−1, 0.02523 min−1, and 0.04377 min−1, respectively.
Additional source evidence: source values include 20 mg, 95.3%, 93.6%, 85.9%, 78.9%.
The suspension was transferred into hydrothermal reactor (100 mL) of microwave hydrothermal instrument (XH-8000Plus, Beijing Xianghu Science and Technology Development Co.) and the temperature was kept at 180 ◦C for 30 min under the continuous magnetic stirring at 300 rpm/min.
Additional source evidence: source values include 93.6%, 50.9%, 67.6%, 78.2%.
Additional source evidence: source values include 46.1%, 75.2%, 93.6%, 86.4%.
Microwave-method evidence: source values include 12 h, 30 min, 93.6%.
Different from microwave hydrothermal method, the sonicated suspension was placed in the steel autoclave (50 mL) and held at 180 ◦C for 12 h.
Microwave-method evidence: source values include 60 min, 93.6%.
Also, microwave-assisted preparation method reduced preparation time and increased CIP degradation efficiency by 12.9%.
Additional source evidence: source values include 60 min, 86.8%. Entities: W-BiVO4-x.
Additional source evidence: source values include 0.04377 min, 10.70 fold.
Degradation efficiency: 6.9%
Removal: 78.7%
Mechanism / Method Highlights
- Method context: Time 12 h / 30 min.
- Equipment-detail evidence: source values include 1:2, 2:1
- Performance evidence: The value of k over BiVO4, W-BiVO4, BiVO4/rGO, W-BiVO4/rGO, and W-BiVO4-x/rGO photocatalysts were 0.00409 min−1, 0.00681 min−1, 0.00822 min−1, 0.02523 min−1, and 0.04377 min−1, respectively
- Additional source evidence: source values include 20 mg, 95.3%, 93.6%, 85.9%, 78.9%
- Reported outcome: Removal 78.7%, Removal efficiency 93.6%, Removal efficiency 12.9%, and Degradation efficiency 6.9%.
Application Value
- Provides a peer-reviewed SoarNova / Xianghu Q1 application case for XH-8000 / XH-8000Plus.
- Supports English discovery around graphene and Microwave hydrothermal synthesis.
- Preserves quantitative result evidence: Removal 78.7%, Removal efficiency 93.6%, Removal efficiency 12.9%, and Degradation efficiency 6.9%.
- Maintains source-level evidence details: Equipment-detail evidence: source values include 1:2, 2:1, Performance evidence: The value of k over BiVO4, W-BiVO4, BiVO4/rGO, W-BiVO4/rGO, and W-BiVO4-x/rGO photocatalysts were 0.00409 min−1, 0.00681 min−1, 0.00822 min−1, 0.02523 min−1, and 0.04377 min−1, respectively, Additional source evidence: source values include 20 mg, 95.3%, 93.6%, 85.9%, 78.9%, and Equipment evidence: The suspension was transferred into hydrothermal reactor (100 mL) of microwave hydrothermal instrument (XH-8000Plus, Beijing Xianghu Science and Technology Development Co.) and the temperature was kept at 180 ◦C for 30 min under the continuous magnetic stirring at 300 rpm/min.
Related Equipment
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Insight into a novel microwave-assisted W doped BiVO4 self-assembled sphere with rich oxygen vacancies oriented on rGO (W-BiVO4-x/rGO) photocatalyst for efficient contaminants removal
Separation and Purification Technology, 2021
DOI: 10.1016/j.seppur.2021.119610