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Learning Units (Hours)
Walter R. Niessen, PE, BCEE
Assisted by the massive construction grant program of the Water Pollution Control Act, a large number of primary and secondary municipal and industrial wastewater treatment plants were brought on-line in the United States during the period 1970 to 1990. The plants generate large quantities of waste solids. These "biosolids" include several waste streams:
Management of these waste solids and, more specifically, the three sludge types can be effected by many means. Here, we consider the thermal processes: drying and incineration and, briefly, the preparatory steps of mechanical dewatering and handling/feeding. These topics are preceded by a brief summary of the physical and chemical characteristics of the sludge solids.
This course includes a multiple-choice quiz at the end, which is designed to enhance the understanding of the course materials.
NY PE & PLS: You must choose courses that are technical in nature or related to matters of laws and ethics contributing to the health and welfare of the public. NY Board does not accept courses related to office management, risk management, leadership, marketing, accounting, financial planning, real estate, and basic CAD. Specific course topics that are on the borderline and are not acceptable by the NY Board have been noted under the course description on our website.
AIA Members: You must take the courses listed under the category "AIA/CES Registered Courses" if you want us to report your Learning Units (LUs) to AIA/CES. If you take courses not registered with AIA/CES, you need to report the earned Learning Units (not qualified for HSW credits) using Self Report Form provided by AIA/CES.