A spectrophotometric procedure has been developed for determination of hydrocarbons, vegetable oils, animal fats, waxes, soaps, greases and related oily organic matter in aqueous phase. The water sample is acidified to a low pH (less than or equal to 2) and extracted with trichloroethane (methyl chloroform). Under controlled conditions, the oil…[Read more]

A spectrophotometric procedure has been developed for determination of oil and grease in aqueous phase. The water sample is acidified to a low pH (less than or equal to 2) and extracted with 1,1,2-trichloro-l,2,2-trifluoroethane (Freon 113, or CFC 113). Under controlled conditions, the oil and grease are extractable into a selected organic…[Read more]

Tsao, Hung-ping (2022). Evolutionary mathematics and science for On the Terminal Value Distribution in the Process of Successively Summing up all Prime Factors of a Given Natural Number. In: “Evolutionary Progress in Science, Technology, Engineering, Arts, and Mathematics (STEAM)”, Wang, Lawrence K. and Tsao, Hung-ping (editors). Volume 4, Number…[Read more]

Wang, LK and Wang, MHS (2022). Dissolved oxygen model, vapor pressure, evaporation lagoon, and flotation post aeration; In: “Evolutionary Progress in Science, Technology, Engineering, Arts and Mathematics (STEAM)”, Wang, LK and Tsao, HP (eds.), 4 (7H), STEAM-VOL4-NUM7H-JULY2022. ISBN 978-0-9890870-3-2. 55 pages. July 2022, Lenox Institute Pre…[Read more]

Wang, LK and Wang, MHS (2022). Hazardous wastewater treatment in petroleum refining industry using best available flotation and filtration technologies. In: “Evolutionary Progress in Science, Technology, Engineering, Arts and Mathematics (STEAM)”, Wang, LK and Tsao, HP (eds.), 4 (7G), STEAM-VOL4-NUM7G-JULY2022. ISBN 978-0-9890870-3-2. pp.…[Read more]

A physicochemical (PC) and biological two-stage wastewater treatment system has successfully treated a food ingredients manufacturing effluent for decades. The first stage PC treatment is a Supracell dissolved air flotation (DAF), which has a diameter of 8 ft (2400 mm). The second stage treatment is an aerobic biological package plant. The…[Read more]

Wang, LK and Wang, MHS (2022). Cocoa processing waste pretreatment and mobile flotation plants; In: “Evolutionary Progress in Science, Technology, Engineering, Arts and Mathematics (STEAM)”, Wang, LK and Tsao, HP (eds.), 4 (7F), STEAM-VOL4-NUM7F-JULY2022. ISBN 978-0-9890870-3-2. 43 pages. July 2022, Lenox Institute Press, MA, USA. ……[Read more]

Wang, LK and Wang, MHS (2022). Green innovations in flotation, protein separation, flue gas reuse, new process systems, sulfide precipitation, chromium removal, and tannery waste treatment. In: “Evolutionary Progress in Science, Technology, Engineering, Arts and Mathematics (STEAM)”, Wang, LK and Tsao, HP (eds.), 4 (7E), STE…[Read more]

Tsao, Hung-ping (2022). Evolutionary mathematics and science for Combinatorial Algebra III. In: “Evolutionary Progress in Science, Technology, Engineering, Arts, and Mathematics (STEAM)”, Wang, Lawrence K. and Tsao, Hung-ping (editors). Volume 4, Number 8C, August 2022; 100 pages. Lenox Institute Press, MA, USA. No. STEAM-VOL4-NUM8C-AUG2022; ISBN…[Read more]

Wang, Lawrence K. and Wang, Mu-Hao Sung (2022). Development of mobile dissolved air flotation and filtration (DAFF) package plants for emergency water supply or pollution control . In: “Evolutionary Progress in Science, Technology, Engineering, Arts, and Mathematics (STEAM)”, Wang, Lawrence K. and Tsao, Hung-ping (editors). Volume 4, Number…[Read more]

Tsao, Hung-ping (2022). Evolutionary mathematics and science for Combinatorial Algebra II. In: “Evolutionary Progress in Science, Technology, Engineering, Arts, and Mathematics (STEAM)”, Wang, Lawrence K. and Tsao, Hung-ping (editors). Volume 4, Number 8B, August 2022; 100 pages. Lenox Institute Press, MA, USA. No. STEAM-VOL4-NUM8B-AUG2022; ISBN…[Read more]