P-5010 Chapter 7 Wastewater Treatment and Disposal, Ashore and Afloat Flashcards
What term describes the stabilization of wastes through the action of microorganisms in the presence of oxygen?
Aerobic Waste Treatment
What term describes waste stabilization brought about through the action of microorganisms in the absence of air or oxygen?
Anaerobic Waste Treatment
What is a motor driven grinder used to pulp or liquefy sewage solids before they enter the Marine Sanitation Device?
Comminutor
Which type of bacteria can adapt to grow in the presence of, as well as the absence of oxygen?
Facultative Anaerobic Bacteria
What term describes the ships generated wastewater that originates form culinary activities, bathing, laundry, deck or other waste drains?
Grey water
The Restricted zone is defined as the navigable waters of the United States, 0 to how many nautical miles form shore?
3 miles
What program was established to control water pollution in the nation’s water-ways?
National Pollutant Discharge Elimination System (NPDES)
Who promulgates Navy policy and assigns responsibilities concerning prevention, control, and abatement of environmental pollution caused by Naval Ships and shore stations?
Chief of Naval Operations (CNO)
Who is overall responsible for evaluation of wastewater disposal systems ashore and afloat?
Chief, Bureau of Medicine and Surgery (BUMED)
How many years are most discharge permits valid for?
5 years
Which type of sewage treatment consists of methods designed to remove a considerable portion of the suspended solids and colloidal substances?
Primary
Which type of sewage treatment oxidizes the suspended solids and the organic solids?
Secondary
Which type of sewage treatment is defined as treatment of wastewater for the removal of pollutants not removed by conventional biological treatment processes?
Tertiary
What is the most primitive of all the individual sewage disposal systems?
Pit Privy
How many feet deep is a bored-hole latrine?
15-25’
What term describes a covered pit into which raw sewage flows by gravity?
Septic Tank
What are designed to remove sand and other gritty material that may damage pumps and valves, accumulate in sedimentation tanks or clog sludge drains?
Grit Chambers
What are the primary agents in activated sludge process?
Aerobic bacteria
What are shallow basins used for aerobic and anaerobic degradation or wastewater?
Stabilization ponds
Stabilization ponds require approximately 1 acre for every how many persons served?
2,500
What is the key element in ecology of an aerobic stabilization pond?
Algal photosynthesis
What is the process by which a digested sludge is washed prior to further conditioning?
Elutriation
What is a long-term method of storing sludge where there is large land area available?
Sludge Lagoons
The overboard discharge of untreated sewage is is prohibited within how many nautical miles of the U.S. and territorial seas?
3
What is the recirculating flush system designed for small craft and ships whose mission requires extensive operations within a restricted zone?
Koehler-Dayton
What term describes the thermally accelerated, extended aeration activated sludge sewage treatment system on board LHA 1 class ships?
Pall Trinity Biological Treatment System
What color must MSD valve handles and operating levers in the interior of the ship be?
gold
