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2006•Sichuan EnvironmentRequires access

The Application of Nanosized TiO_2 Photocatalyst in Wastewater Treatment

Junling Li

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Abstract

Nanosized TiO_2 photocatalyst is a kind of new developing technology of wastewater treatment.It is still in the stage of(experiment) at present.This paper introduces the degraded mechanism of organics in wastewater and discusses the effect factors such as pH(value),surface modification of TiO_2,carriers,exterior oxidants and the application together with other technology.Meanwhile the driving force of photoelectric catalyzing and solar energy utilizing on photocatalysis are discussed,and its development trend and existing(problems) are also pointed out.

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What this paper is about

Nanosized TiO_2 photocatalyst is a kind of new developing technology of wastewater treatment.It is still in the stage of(experiment) at present.This paper introduces the degraded mechanism of organics in wastewater and discusses the effect factors such as pH(value),surface modification of TiO_2,carriers,exterior oxidants and the application together with other technology.Meanwhile the driving force of photoelectric catalyzing and solar energy utilizing on photocatalysis are discussed,and its development trend and existing(problems) are also pointed out.

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Available abstract

Nanosized TiO_2 photocatalyst is a kind of new developing technology of wastewater treatment.It is still in the stage of(experiment) at present.This paper introduces the degraded mechanism of organics in wastewater and discusses the effect factors such as pH(value),surface modification of TiO_2,carriers,exterior oxidants and the application together with other technology.Meanwhile the driving force of photoelectric catalyzing and solar energy utilizing on photocatalysis are discussed,and its development trend and existing(problems) are also pointed out.

Key concepts: Photocatalysis, Wastewater, Photoelectric effect, Sewage treatment, Solar energy, Nanotechnology, Process engineering, Materials science

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