2. chemical characteristics (Chemical Characteristics), the chemical characteristics of the waste water that is discharged from a different origin, chemical characteristics of the waste water varies according to the type of origin. Divided into 2 categories:
Organic compounds (Organic matter). Substances generally consists of the element carbon hydrogen and oxygen. Most organic compounds are derived from living organisms and human activity may be caused by
-b Biochemical Oxygen Demand (video: BOD) is a measurement of the amount of organic compounds in water using oxygen that bacteria are used to degrade organic substances that degrade. Under extreme temperature, oxygen-20 degrees Celsius for a period of 5 days. If the water contains a high quantity of organic substances. The value b o d, sung by
-Oxygen Chemical Demand (SEO: COD) is a measurement of the amount of organic compounds in water using oxygen, all of which need to be used to disperse chemical reactions with organic compounds in the water to become carbon dioxide and water as an indicator rather than the quantity of organic substances
.
การแปล กรุณารอสักครู่..
![](//thimg.ilovetranslation.com/pic/loading_3.gif?v=b9814dd30c1d7c59_8619)