Friday, March 29, 2024, 7:30 AM
Site: Pa. DEP Operator eLearning Center
Course: Pa. DEP Operator eLearning Center (PADEP)
Glossary: Course Glossary
WASTEWATER

Green Manure

Cover crop that is incorporated into the soil, while green, for soil improvement.

  • (BIO01) Biosolids Agronomic Loading Rates Part 1 (1247)
  • (BIO02) Biosolids Agronomic Loading Rates Part 2 – Manure (1484)

Headworks

The facilities where wastewater enters a wastewater treatment plant.(BNR01) Nitrification and Denitrification – An Introduction to Nitrogen Removal (1485)

  • (BNR01) Nitrification and Denitrification – An Introduction to Nitrogen Removal (1485)

Heterotrophic Organisms

Organisms that use organic materials for energy and growth.

  • (BNR01) Nitrification and Denitrification – An Introduction to Nitrogen Removal (1485)

Heterotrophs

Organisms that use organic materials for energy and growth.

  • (BNR01) Nitrification and Denitrification – An Introduction to Nitrogen Removal (1485)

Incomplete Denitrification

A condition in which environmental conditions are not optimal to provide for the conversion of nitrate to nitrogen gas (some of the nitrate remains as nitrate and some undergoes partial conversion yielding concentrations of nitrite). Typically, incomplete denitrification results in high levels of nitrate in the wastewater effluent.

  • (BNR01) Nitrification and Denitrification – An Introduction to Nitrogen Removal (1485)

Incomplete Nitrification

A condition in which not all ammonia is converted to nitrate (some of the ammonia remains as ammonia and some of the ammonia undergoes partial conversion yielding concentrations of nitrite). Typically, incomplete nitrification results in high levels of ammonia in the wastewater effluent.

  • (BNR01) Nitrification and Denitrification – An Introduction to Nitrogen Removal (1485)
  • (BNR02) Nitrification Factors – Suspended Growth Treatment Systems (1821)

Incorporation

Mixing of materials found on or spread upon the soil surface into the soil volume via the mechanical manipulation of the soil.

  • (BIO02) Biosolids Agronomic Loading Rates Part 2 – Manure (1484)

Influent

Wastewater or other liquid - raw (untreated) or partially treated - flowing INTO a reservoir, basin, treatment process, or treatment plant

  • (BNR01) Nitrification and Denitrification – An Introduction to Nitrogen Removal (1485)
  • (BNR02) Nitrification Factors – Suspended Growth Treatment Systems (1821)

Inorganic

Describes material that is of mineral origin. Specifically, describes chemical compounds that do not contain carbon and hydrogen.

  • (COA02) Coagulation — Part 2: Coagulation Chemicals (1249)

Inorganic Material

Material such as sand, salt, iron, calcium and other mineral materials that are only slightly affected by the action of organisms in wastewater treatment. Inorganic matter is comprised of chemical substances of mineral origin; whereas organic matter is comprised of chemical substances that are usually of animal or plant origin.

  • (BNR01) Nitrification and Denitrification – An Introduction to Nitrogen Removal (1485)