Photocatalytic activity of metal nanoparticle-decorated titanium dioxide for simultaneous H<sub>2</sub> production and biodiesel wastewater remediation

Patsakol Prayoonpunratn; Trin Jedsukontorn; Mali Hunsom

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Photocatalytic activity of metal nanoparticle-decorated titanium dioxide for simultaneous H₂ production and biodiesel wastewater remediation

Catalysis, Kinetics and Reaction Engineering | Updated：2026-01-06

- Photocatalytic activity of metal nanoparticle-decorated titanium dioxide for simultaneous H₂ production and biodiesel wastewater remediation
- Photocatalytic activity of metal nanoparticle-decorated titanium dioxide for simultaneous H₂ production and biodiesel wastewater remediation
- 中国化学工程学报（英文版） 2021年36卷第8期页码：86-100
- Affiliations：
  
  1. Fuels Research Center, Department of Chemical Technology, Faculty of Science, Chulalongkorn University,Bangkok,Thailand,10330
  2. Current address:Department of Chemical Engineering, Faculty of Engineering, Mahidol University, Nakorn Pathom,Thailand,73170
  3. Associate Fellow of Royal Society of Thailand(AFRST),Bangkok,Thailand,10300
- Author bio：
- Funds：
- DOI：
  中图分类号：
- 纸质出版：2021
- Accepted：
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Patsakol Prayoonpunratn, Trin Jedsukontorn, Mali Hunsom. Photocatalytic activity of metal nanoparticle-decorated titanium dioxide for simultaneous H₂ production and biodiesel wastewater remediation[J]. 中国化学工程学报（英文版）, 2021,36(8):86-100.

production and biodiesel wastewater remediation[J]. 中国化学工程学报, 2021, 36(8): 86-100.
Patsakol Prayoonpunratn, Trin Jedsukontorn, Mali Hunsom. Photocatalytic activity of metal nanoparticle-decorated titanium dioxide for simultaneous H₂ production and biodiesel wastewater remediation[J]. 中国化学工程学报（英文版）, 2021,36(8):86-100. DOI：

production and biodiesel wastewater remediation[J]. 中国化学工程学报, 2021, 36(8): 86-100. DOI：

摘要

A set of metal nanoparticle-decorated titanium dioxide (M

/TiO

; where

is the percent by mass

%) photocatalysts was prepared

via

the sol-immobilization in order to enhance the simultaneous hydrogen (H

) production and pollutant reduction from real biodiesel wastewater. Effect of the metal nanoparticle (NP) type (M = Ni

Pt or Pd) and

for Pd

the amount (1 %-4 %) decorated on the surface of thermal treated commercial TiO

(

400

) was evaluated. The obtained results demonstrated that both the type and amount of decorated metal NPs did not significantly affect the pollutant reduction

measured in terms of the reduction of chemical oxygen demand (COD)

biological oxygen demand (BOD) and oil grease levels

but they affected the H

production rate from both deionized water and biodiesel wastewater

which can be ranked in the order of Pt

400

. This was attributed to the high difference in work function between Pt and the parent

400

. However

the difference between Pt

400

and Pd

400

was not great and so from an economic c

onsideration

Pd/TiO

was selected as appropriate for further evaluation. Among the four different Pd

/TiO

photocatalysts

the Pd

/TiO

demonstrated the highest activity and gave a high rate of H

production (up to 135 mmol·h

-1

) with a COD

BOD and oil grease reduction of 30.3%

73.7% and 58.0%

respectively.

Abstract

A set of metal nanoparticle-decorated titanium dioxide (M

/TiO

; where

is the percent by mass

%) photocatalysts was prepared

via

the sol-immobilization in order to enhance the simultaneous hydrogen (H

) production and pollutant reduction from real biodiesel wastewater. Effect of the metal nanoparticle (NP) type (M = Ni

Pt or Pd) and

for Pd

the amount (1 %-4 %) decorated on the surface of thermal treated commercial TiO

(

400

) was evaluated. The obtained results demonstrated that both the type and amount of decorated metal NPs did not significantly affect the pollutant reduction

measured in terms of the reduction of chemical oxygen demand (COD)

biological oxygen demand (BOD) and oil grease levels

but they affected the H

production rate from both deionized water and biodiesel wastewater

which can be ranked in the order of Pt

400

. This was attributed to the high difference

in work function between Pt and the parent

400

. However

the difference between Pt

400

and Pd

400

was not great and so from an economic consideration

Pd/TiO

was selected as appropriate for further evaluation. Among the four different Pd

/TiO

photocatalysts

the Pd

/TiO

demonstrated the highest activity and gave a high rate of H

production (up to 135 mmol·h

-1

) with a COD

BOD and oil grease reduction of 30.3%

73.7% and 58.0%

respectively.

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Photocatalytic activity of metal nanoparticle-decorated titanium dioxide for simultaneous H2 production and biodiesel wastewater remediation

Photocatalytic activity of metal nanoparticle-decorated titanium dioxide for simultaneous H2 production and biodiesel wastewater remediation

DOI：

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Abstract

关键词

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references

Photocatalytic activity of metal nanoparticle-decorated titanium dioxide for simultaneous H₂ production and biodiesel wastewater remediation

Photocatalytic activity of metal nanoparticle-decorated titanium dioxide for simultaneous H₂ production and biodiesel wastewater remediation