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NAICS 22 (Utilities Sector) is the section of the NAICS system in Canada, the United States and Mexico which deals specifically with utilities in those countries. The utilities sector consists of establishments engaged in the provision of the following utility services: electric power , natural gas , steam supply, water supply, and sewage removal.
The higher water use by jacketed autoclaves resulted in an estimated water cost of $764 per jacketed autoclave per year, compared to $23 for non-jacketed autoclaves. With over 100 steam-jacketed autoclaves on campus, the author calculated that using jacketed autoclaves for research tasks translated into an additional $74,000 in annual excess ...
Schematic diagram of solvothermal synthesis setup: (1) stainless steel autoclave (2) precursor solution (3) Teflon liner (4) stainless steel lid (5) spring Solvothermal synthesis is a method of producing chemical compounds , in which a solvent containing reagents is put under high pressure and temperature in an autoclave .
The North American Industry Classification System or NAICS (/ n eɪ k s /) [1] is a classification of business establishments by type of economic activity (the process of production). It is used by governments and business in Canada , Mexico , and the United States of America .
Equipment used in aseptic processing of food and beverages must be sterilized before processing and remain sterile during processing. [1] When designing aseptic processing equipment there are six basic requirements to consider: the equipment must have the capability of being cleaned thoroughly, it must be able to be sterilized with steam, chemicals, or high-temperature water, sterilization ...
Dalecarlia Water Treatment Plant, Washington, D.C. Water treatment is any process that improves the quality of water to make it appropriate for a specific end-use. The end use may be drinking, industrial water supply, irrigation, river flow maintenance, water recreation or many other uses, including being safely returned to the environment.
The last expansion occurred in the 1990s when an Modified Ludzack-Ettinger activated sludge train was constructed, bringing the permitted capacity up to 27.5 MGD. Between 2009 and 2015, TPSWRF underwent a major facility upgrade in treatment ability that coincided with a decrease in capacity by 1 MGD.
In the United States, the SIC system was last revised in 1987 and was last used by the Census Bureau for the 1992 Economic Census, and has been replaced by the North American Industry Classification System (NAICS code), which was released in 1997. [2]