Biochemical oxygen demand - Wikipedia
Biochemical oxygen demand (also known as BOD or biological oxygen demand) is an analytical parameter representing the amount of dissolved oxygen (DO) consumed by aerobic bacteria growing on the organic material present in a water sample at a specific temperature over a specific time period.
Biochemical Oxygen Demand (BOD) and Water | U.S. Geological …
2018年6月5日 · Biochemical oxygen demand (BOD) represents the amount of oxygen consumed by bacteria and other microorganisms while they decompose organic matter under aerobic (oxygen is present) conditions at a specified temperature.
Biochemical Oxygen Demand - an overview | ScienceDirect Topics
Biochemical oxygen demand (BOD, also called biological oxygen demand) is the amount of dissolved oxygen needed (i.e., demanded) by aerobic biological organisms to break down organic material present in a given water sample at certain temperature over a …
5.2 Dissolved Oxygen and Biochemical Oxygen Demand
2012年3月6日 · Biochemical oxygen demand, or BOD, measures the amount of oxygen consumed by microorganisms in decomposing organic matter in stream water. BOD also measures the chemical oxidation of inorganic matter (i.e., the extraction of oxygen from water via chemical reaction).
BOD - Biochemical Oxygen Demand- An Overview and its …
Biochemical Oxygen Demand (BOD) is a common biological test performed to measure the total amount of dissolved oxygen present in the given water sample.
Biochemical Oxygen Demand (BOD) - GeeksforGeeks
2023年12月12日 · What is Biochemical Oxygen Demand (BOD)? Biochemical Oxygen Demand (BOD) can be defined as the amount of dissolved oxygen required by microorganisms to digest organic waste present in one liter of water. The more …
What is Biological Oxygen Demand (BOD)? - Wastewater Digest
2021年10月27日 · Biochemical oxygen demand is the amount of oxygen consumed by bacteria and other microorganisms while they decompose organic matter under aerobic conditions. The common lake or stream contains small amounts of oxygen in the form of dissolved oxygen (DO).
Biochemical oxygen demand (BOD) | Britannica
2024年11月25日 · Biochemical oxygen demand (BOD), the amount of dissolved oxygen used by microorganisms in the biological process of metabolizing organic matter in water. The more organic matter there is (e.g., in sewage and polluted bodies of water), the greater the BOD; and the greater the BOD, the lower the
BOD Analysis | Biochemical Oxygen Demand (BOD) - Wisconsin …
Biochemical Oxygen Demand (BOD) BOD provides a measure of the impact of a waste (water) on the oxygen content in a receiving water body. Wastes (organic matter, "food") are broken down (decomposed, oxidized, metabolized) by microbial organisms (aerobic bacteria), frequently referred to as "bugs", who require oxygen for this monumental effort.
Methods for assessing biochemical oxygen demand (BOD): A …
2014年2月1日 · The Biochemical Oxygen Demand (BOD) is one of the most widely used criteria for water quality assessment. It provides information about the ready biodegradable fraction of the organic load in water.