industrial wastewater
41Environmental engineering — [cite book|author=Danny D. Reible|title=Fundamentals of Environmental Engineering |publisher=CRC Publishers|year=1998|id=ISBN 1 56670 047 7] [cite book |author=James R. Mihelcic, Martin T. Auer, and others |title=Fundamentals of Environmental… …
42Total organic carbon — (TOC) is the amount of carbon bound in an organic compound and is often used as a non specific indicator of water quality or cleanliness of pharmaceutical manufacturing equipment. A typical analysis for TOC measures both the total carbon present… …
43Sludge — is the residual semi solid material left from industrial, water treatment, or wastewater treatment processes.When fresh sewage or wastewater is added to a settling tank, approximately 50% of the suspended solid matter will settle out in about an… …
44Water purification — This article is about large scale, municipal water purification. For portable/emergency water purification, see portable water purification. For industrial water purification, see deionized water. For distilled water, see distilled water. Water… …
45Sustainable energy — Renewable energy …
46Oil refinery — Anacortes Refinery (Tesoro), on the north end of March Point southeast of Anacortes, Washington An oil refinery or petroleum refinery is an industrial process plant where crude oil is processed and refined into more useful petroleum products,… …
47Energy conservation — This article is about decreasing energy consumption. For the law of conservation of energy in physics, see Conservation of energy. Sustainable energy …
48Constructed wetland — Vertical Flow type of Constructed Wetlands A constructed wetland or wetpark is an artificial wetland, marsh or swamp created as a new or restored habitat for native and migratory wildlife, for anthropogenic discharge such as wastewater,… …
49Environmental impact assessment — Environmental law …
50Rotating biological contactor — A rotating biological contactor or RBC is a biological treatment process used in the treatment of wastewater following primary treatment.cite book|author=C.P. Leslie Grady, Glenn T. Daigger and Henry C. Lim|title=Biological wastewater… …
