Download or read book Environmental Engineering and Activated Sludge Processes written by Olga Sanchez and published by CRC Press. This book was released on 2016-06-22 with total page 349 pages. Available in PDF, EPUB and Kindle. Book excerpt: This title includes a number of Open Access chapters. The activated sludge process is one of the most versatile and commonly used wastewater treatment systems in the world. In the past, when industrial wastewater treatment focused on removing biological oxygen demand and suspended solids, waste water plants needed different processes and technology