write down the function of skimmer and scraper in a sewage treatment plant
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Answers
Explanation:
An oil skimmer is a device that is designed to remove oil floating on a liquid surface. Depending on the specific design they are used for a variety of applications such as oil spill response, as a part of oily water treatment systems, removing oil from machine tool coolant and aqueous parts washers, and collecting fats oils and greases in wastewater treatment in food manufacturing industries.
Oil skimmers were used to great effect to assist in the remediation of the Exxon Valdez spill in 1989. Oil skimmers are different from swimming pool sanitation skimmers that are designed for a related but different purpose.
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One of those items is called a “Skimmer” and its key role is to keep the surface of the pool water clean from debris such as leaves, insects, pollen, bugs, etc. The skimmer is where water leaves the pool before arriving at the pump and filter and is the first line of defense for removing debris from the pool.
Scrapers are used to move or remove dirt, gravel or other material from the ground surface. Though they are specially designed for this purpose, they can also perform tasks such as: Excavation. Levelling.