reclaimed municipal wastewater
21Coal gasification — is the process of producing coal gas, a type of syngas–a mixture of carbon monoxide (CO), hydrogen (H2), carbon dioxide (CO2) and water vapour (H2O)–from coal. Coal gas, which is a combustible gas, was traditionally used as a source of energy for …
22Utility location — Utility locator in use. Perry, OK, 2011 Utility location is the process of identifying and labeling public utility mains which are underground. These mains may include lines for telephones, electricity distribution, natural gas, cable television …
23Suzhou Creek — (zh cp|c=苏州河|p=Sūzhōu Hé; Wade Giles: Su chou ho; literally Suzhou River ) is a river in China that passes through the Shanghai city centre. It is named after Suzhou, a city in neighbouring Jiangsu province which was the predominant city in this… …
