Development of new COD sensor

• Main Author: Tan, Jet Jau.
• Other Authors: Cai Wenjian
• Format: Final Year Project
• Language: English
• Published: 2009
• Subjects: DRNTU::Engineering::Electrical and electronic engineering
• Online Access: http://hdl.handle.net/10356/18897
• Institution: Nanyang Technological University

Water quality and supply issue is a global concern. Methods such as Desalination of seawater, Wastewater recycle from sewage and treatment of water from catchment area in order to production clean usage water has increased significantly; due to the fact that demand exceeds supply for clean water. Research and development has been carried out daily throughout the world seeking to improving Water quality and to increase supply. Key indicators to determine various water source qualities have been developed over the years to ensure every source is useable. Chemical Oxygen Demand (COD) is a critical environmental parameter, used as a measure of the pollutants in discharged waste waters. COD is also used for assessing the efficiency of water treatment plants and the load placed on these plants by incoming waste streams. COD analysis gives a rapid indication of the level of both organic and inorganic oxygen demanding pollutants.