Fibre Optic Sensors for Selected Wastewater Characteristics

Sensors

Su Sin Chong¹  A. R. Abdul Aziz¹ 

[1] Department of Chemical Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia; E-Mail:

关键词: online monitoring;    fibre optic;    chemical oxygen demand;    biological oxygen demand;    colour;    optical sensor;    environmental sensing;   

DOI  :  10.3390/s130708640

来源: mdpi

【 摘 要 】

Demand for online and real-time measurements techniques to meet environmental regulation and treatment compliance are increasing. However the conventional techniques, which involve scheduled sampling and chemical analysis can be expensive and time consuming. Therefore cheaper and faster alternatives to monitor wastewater characteristics are required as alternatives to conventional methods. This paper reviews existing conventional techniques and optical and fibre optic sensors to determine selected wastewater characteristics which are colour, Chemical Oxygen Demand (COD) and Biological Oxygen Demand (BOD). The review confirms that with appropriate configuration, calibration and fibre features the parameters can be determined with accuracy comparable to conventional method. With more research in this area, the potential for using FOS for online and real-time measurement of more wastewater parameters for various types of industrial effluent are promising.

【 授权许可】

CC BY   
© 2013 by the authors; licensee MDPI, Basel, Switzerland.