Course Glossary
This shows the specialized terms used in EarthWise Academy. This section contains all the definitions used in the various course glossaries used by each course.
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WASTEWATER |
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DenitrificationAn anoxic process that occurs when nitrite or nitrate ions are reduced to nitrogen gas and nitrogen bubbles are formed as a result of this process.
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DenitrifiersFacultative heterotrophic bacteria (such as Pseudomonas, Bacillus and Achromobacter) that convert nitrate in wastewater to nitrogen gas, given an anoxic environment.
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Denitrifying bacteriaAlso known as denitrifiers. Specialized bacteria (such as Pseudomonas and Achromobacter) that convert nitrate in wastewater, into nitrogen gas.
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Design Basis ThreatDesign Basis Threat (DBT) Description of a specific adversary and mode of attack that has a degree of likelihood of occurring.
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DestabilizedA condition in which the electrical charge of particles has been neutralized.
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Detention TimeThe theoretical time that a parcel of water or other liquid spends in a particular treatment unit or reservoir.
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Digester CapacityThe total volume in gallons that a digester(s) can hold, or the volume used during the monitoring period, if not operating at full capacity.
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Discharge Monitoring ReportDischarge Monitoring Report (DMR) |
Dissolved OxygenDissolved Oxygen (DO) A measure of the amount of free or molecular oxygen dissolved in water, expressed as:
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DMRDMR – Discharge Monitoring Report
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