Screening Screening is the first unit operation used at wastewater treatment plants (WWTPs). Screening removes objects such as rags, paper, plastics, and metals to prevent damage and clogging of downstream equipment, piping, and appurtenances. Some modern wastewater treatment plants use both coarse screens and fine screens. Figure 1 depicts a typical bar screen (a type of coarse screen). Coarse Screens Coarse screens remove large solids, rags, and debris from wastewater, and typically have openings of 6 mm (0.25 in) or larger. Types of coarse screens include mechanically and manually cleaned bar screens, including trash racks. Table 1 describes the various types of coarse screens. Fine Screens
About Long Island. Long Island New York is the largest island adjoining the contiguous United States, extending approximately 118 miles east-northeast from the mouth of the Hudson River. It is separated from the mainland on the north by the Long Island Sound and bounded by the Atlantic Ocean on the south and east.
Share. When you visit New York, a side trip to Long Island City is well worth the effort. Long Island City New York, is located in the Queens borough of New York City. Located on the southwestern portion of Long Island, and adjoins the east bank of the East River.Long Island City New York, often abbreviated as LIC, was incorporated as a city in 1870, combining several communities, including Astoria, Bowery Bay, Dutch Kills, Hunters Point, Queensbrige and Ravenswood.ew York City Map. Once known as an industrial area and not accounting for much in the way of New York tourism, much of Long Island City has undergone a dramatic conversion with new residential and commercial uses, and has begun to become a more viable part of New York tourism with each passing year.