Important aspects in the operation of vacuum filters and several sludge conditioning variables are examined. A troubleshooting guide for problems of vacuum filters was also developed. (MR)

An evaluation of the use of the parameters currently being used to design and operate the activated sludge process is presented. The advantages and disadvantages for the use of each parameter are discussed. (MR)

Ten case reports of agricultural uses of thermally conditioned wastewater treatment sludge are given to show a way of recycling wastes. (MR)

Land application systems are discussed with reference to the options available for applying wastewater and sludge to the site. Spray systems, surface flow methods, and sludge application schemes are all included with discussions of the advantages and disadvantages of each option within these categories. A distinction is made between the choice of…

Presented is a method to aid in determining downstream sewer flow capability and of characterizing sewer systems using data processing methods and a Texas Instruments SR-52. (MR)

Provided is a discussion of the use of soil organisms in land treatment of wastewater as a means of water pollution control. (MR)

This volume of Resources in Technology contains the following eight instructional modules: (1) "Processing Technology"; (2) "Water--A Magic Resource"; (3) "Hazardous Waste Disposal--The NIMBY (Not in My Backyard) Syndrome"; (4) "Processing Fibers and Fabrics"; (5) "Robotics--An Emerging…

Plants found in marshlands and wetlands in many parts of the world may play an increasing part in a very new, yet very old approach to treatment of water and wastewater--the application of biological methods. Biological water pollution control methods being utilized around the world are examined. (BT)

An examination of activated sludge treatment to determine the effect of increased waste concentration caused by water conservation measures is described. (MR)

This monograph contains a variety of selected materials related to wastewater treatment and water quality education and instruction. Part I presents a brief discussion of the activated sludge process in wastewater treatment operations. Part II, Instructional Units, contains selected portions of existing programs which may be utilized in…

Presented are basic concepts of chemistry necessary for operators who manage drinking water treatment plants and wastewater facilities. It includes discussions of chemical terms and concepts, laboratory procedures for basic analyses of interest to operators, and discussions of appropriate chemical calculations. Exercises are included and answer…

Presents a literature review of microbiology of water, covering publications of 1967-77. This review covers: (1) microbial indicators of pollution; and (2) microbiology of rivers, potable waters, natural lakes, and impoundments. A list of 192 references is also presented. (HM)