- Study guides, Class notes & Summaries

Unit operations - Answer-methods of treatment in which the application of physical forces predominates. [Preliminary and primary treatments] Unit processes - Answer-methods of treatment in which the removal of contaminants is brought about by chemical or biological reactions. [Secondary treatments] Primary Treatment - Answer-Physical operations are used to remove the floating and settleable solids Secondary Treatment - Answer-Biological and chemical processes are used to remove most...

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12 pages

Written in 2023/2024

Grade A+

lectknancy

3 types of wastewater - Answer-domestic (home, sewage, 100g/person/day), industrial, municipal (domestic, commercial, industrial)... known as sewage types of system disposal - Answer-onsite disposal (septic tanks or disposal fields) and systems connecting many homes leading to sewage treatment plant how septic systems fail - Answer-backup from tank or clogged leach field, inadequate leach field sewerage? - Answer-pipes, pumps, treatment plant sewers? - Answer-pipes 3 types of sewe...

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2 pages

Written in 2023/2024

Grade A+

lectknancy

Advanced treatment processes strive to provide a _______ removal of specific compounds, suspended solids, and oxygen-demanding materials that cannot be achieved through secondary treatment alone. - Answer-Higher Direct filtration of secondary effluent is often used to reduce _______________ solids to low levels. - Answer-suspended The most important factor affecting filter performance is the _________ of the secondary effluent applied to the filter. - Answer-quality Proper __________ is...

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2 pages

Written in 2023/2024

Grade A+

lectknancy

water quality - Answer-determined by effects on public health, how much it is away from the normal concentrations, the expected end use of the impact on the ecosystem water pollution - Answer-degradation of water quality what is the largest concern of polluted water globally? - Answer-a lack of clean and disease free drinking water what do water pollutants include? - Answer-heavy metals, sediment, certain radioactive isotopes, heat, fecal coliform bacteria, phosphorus, nitrogen, sodium,...

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5 pages

Written in 2023/2024

Grade A+

lectknancy

Contamination - Answer-introduction into water or microorganisms, chemicals, toxic substances, wastes or wastewater in a concentration that makes the water unfit for it's intended use. Disinfection - Answer-the killing or inactivation of MOST microorganisms including all pathogenic bacteria Sterilization - Answer-Complete destruction of all forms of microbial life What are the four categories of contaminants? - Answer-Physical: temp, taste, color, odor, turbidity Chemical: inorganic,...

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9 pages

Written in 2023/2024

Grade A+

lectknancy

Potable Water - Answer-Water that is healthy for human consumption, and free of organic and inorganic compounds and microorganisms Palatable Water - Answer-Water that is aesthetically pleasing and free from turbidity, color, odor, or bad taste Turbidity - Answer-Measures clarity of water; whether water is cloudy or not What is the purpose of drinking water treatment? - Answer-To provide potable water that is palatable Major Inorganic Constituents - Answer-Calcium, chloride, fluoride,...

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3 pages

Written in 2023/2024

Grade A+

lectknancy

The best pH level for coagulation usually falls in the range of - Answer-5-7 Which, surface water or groundwater, usually contains a higher level of pathogens - Answer-surface water High levels of nitrate in the water can cause - Answer-blue baby syndrome 35 degrees Celsius is equivalent to what in Farhenheit - Answer-95 The mixing of coagulant chemicals in raw water is called - Answer-flash mixing Sedimentation basins have _____ zones - Answer-four The flow of a 48 inch pipe i...

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2 pages

Written in 2023/2024

Grade A+

lectknancy

Post WWII = lots of new chemicals with no regulations, 1953 Hooker Chemical sold site to Niagara Falls School Board, 1,000 families affected (higher miscarriage rates, birth defects) - >>Love Canal State said site could be harmful due to toxic waste and Carter declared it a federal disaster area, $200 million paid out to state/federal government/residents - >>Love Canal: 1978 Resident/primary organizer of the Love Canal Homeowners Association, brought public attention to Love ...

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18 pages

Written in 2023/2024

AnyaTaylor

water treatment exam QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES VERIFIED ANSWERS ALREADY GRADED A+

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65 pages

Written in 2023/2024

Grade A+

PremiumExamBank

Practice Certification Exam for Water Treatment

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6 pages

Written in 2023/2024

Grade A+

DESTINYGRACE

Water Treatment Exam 1

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11 pages

Written in 2023/2024

Grade A+

DESTINYGRACE

water treatment exam

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5 pages

Written in 2023/2024

Grade A+

DESTINYGRACE

water treatment exam

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18 pages

Written in 2023/2024

Grade A+

DESTINYGRACE

Water Treatment Final Exam B

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9 pages

Written in 2023/2024

Grade A+

DESTINYGRACE

Water Treatment OIT test

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9 pages

Written in 2023/2024

Grade A+

DESTINYGRACE

Water Treatment Operator Certification Study Guide

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4 pages

Written in 2023/2024

Grade A+

DESTINYGRACE

Water Treatment Operator Level 1 Sample Questions

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4 pages

Written in 2023/2024

Grade A+

DESTINYGRACE

Water Treatment Practice Exa1

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6 pages

Written in 2023/2024

Grade A+

DESTINYGRACE

Water Treatment practice Exam

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3 pages

Written in 2023/2024

Grade A+

DESTINYGRACE

Types of source water are_____ & _____ - Ground & Surface Example of ground water source - Wells & Springs Example of surface water source - Lakes, Ponds & Rivers FMC follows water quality standards according to _____ - AAMI Standards Bone disease can be caused by what in the product water - Fluoride & Aluminum

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4 pages

Written in 2023/2024

Grade A+

DrJon