Advanced Oxidation Process

Advanced Oxidation Process

Advanced Oxidation Processes (abbreviation: AOP), refers to a set of chemical treatment procedures designed to remove organic and inorganic materials in waste water by oxidation.

Contaminants are oxidized by four different reagents: ozone, hydrogen peroxide, oxygen, and air, in precise, pre-programmed dosages, sequences, and combinations. These procedures may also be combined with UV irradiation and specific catalysts. This results in the development of hydroxyl radicals. A well known example of AOP is the use of Fenton's reagent.

The AOP procedure is particularly useful for cleaning biologically toxic or non-degradable materials such as aromatics, pesticides, petroleum constituents, and volatile organic compounds in waste water [cite journal |author=Enric Brillasa, Eva Mur, Roser Sauleda, Laura Sànchez, José Peral, Xavier Domènech and Juan Casado
title=Aniline mineralization by AOP's: anodic oxidation, photocatalysis, electro-Fenton and photoelectro-Fenton processes |journal=Applied Catalysis B: Environmental |volume=16 |issue=1 |pages=31-42 |year=1998 |month=March |pmid= |doi= 10.1016/S0926-3373(97)00059-3 |url=http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6TF6-3VN03K2-3&_user=10&_rdoc=1&_fmt=&_orig=search&_sort=d&view=c&_version=1&_urlVersion=0&_userid=10&md5=d557b71411fdce56af991813ef191bf7] . The contaminant materials are converted to a large extent into stable inorganic compounds such as water, carbon dioxide and salts, i.e. they undergo mineralization. A goal of the waste water purification by means of AOP procedures is the reduction of the chemical contaminants and the toxicity to such an extent that the cleaned waste water may be reintroduced into receiving streams or, at least, into a conventional sewage treatment.

ee also

* Waste water treatment
* Sewage treatment
* Water purification
* Process engineering

References

*Michael OD Roth: "Chemical oxidation: Technology for the Nineties, volume VI: Technologies for the Nineties: 6 (Chemical oxidation)" W. Wesley corner fields and John A. Roth, Technomic Publishing CO, Lancaster among other things. 1997, ISBN 1566765978. (engl.)

*cite book
last =Oppenländer
first =Thomas
authorlink =
coauthors =
year =2003
title =Advanced Oxidation Processes (AOPs): Principles, Reaction Mechanisms, Reactor Concepts
publisher =Wiley VCH, Weinheim
location =
id =ISBN 3-527-30563-7

External links

* [http://www.radical.gb.com Advanced Oxidation being used as advanced sanitising technology in the food industry - www.radical.gb.com]

* [http://www.ecospheretech.com/index.php/technology/ozonix-process Advanced oxidation water treatment process demonstration]


Wikimedia Foundation. 2010.

Игры ⚽ Нужна курсовая?

Look at other dictionaries:

  • Advanced Oxidation Process — Advanced oxidation processes (abk. AOP), im Deutschen auch Erweiterte Oxidation, bezeichnet eine Reihe von Verfahren zur chemischen Aufbereitung organischer und anorganischer Stoffe in Abwässern durch Oxidation. Diese erfolgt bei der AOP mit… …   Deutsch Wikipedia

  • oxidation–reduction reaction — ▪ chemical reaction Introduction also called  redox reaction        any chemical reaction in which the oxidation number of a participating chemical species changes. The term covers a large and diverse body of processes. Many oxidation– reduction… …   Universalium

  • advanced ceramics — ▪ ceramics Introduction       substances and processes used in the development and manufacture of ceramic materials that exhibit special properties.       As is pointed out in the article ceramic composition and properties, ceramics are… …   Universalium

  • advanced structural ceramics — Introduction       ceramic materials that demonstrate enhanced mechanical properties under demanding conditions. Because they serve as structural members, often being subjected to mechanical loading, they are given the name structural ceramics.… …   Universalium

  • Wet oxidation — is a form of hydrothermal treatment. It is the oxidation of dissolved or suspended components in water using oxygen as the oxidizer. It is referred to as Wet Air Oxidation (WAO) when air is used. The oxidation reactions occur in superheated water …   Wikipedia

  • Solar energy — is the light and radiant heat from the Sun that powers Earth s climate and weather and sustains life. Since ancient times it has been harnessed for human use through a range of technologies. Solar radiation along with secondary solar resources… …   Wikipedia

  • Industrial wastewater treatment — covers the mechanisms and processes used to treat waters that have been contaminated in some way by anthropogenic industrial or commercial activities prior to its release into the environment or its re use.Most industries produce some wet waste… …   Wikipedia

  • Aop — steht als Abkürzung für: Advanced Oxidation Process, eine Methode zur Reinigung von Abwasser durch Oxidation der Verschmutzung mit Hydroxylradikalen Ambulante Operation Aspektorientierte Programmierung (auch engl.: Aspect Oriented Programming)… …   Deutsch Wikipedia

  • Photocatalysis — In chemistry, photocatalysis is the acceleration of a photoreaction in the presence of a catalyst. In catalysed photolysis, light is absorbed by an adsorbed substrate. In photogenerated catalysis the photocatalytic activity (PCA) depends on the… …   Wikipedia

  • List of waste water treatment technologies — The following page consist of a list of waste water treatment technologies: * Activated sludge systems [ [http://www.oost vlaanderen.be/docs/nl/gc/35447.%20afvalwaterzuivering%20op%20landbouwbedrijven.pdf Overview of activated sludge system with… …   Wikipedia

Share the article and excerpts

Direct link
… Do a right-click on the link above
and select “Copy Link”