Melinda J. Friedman – författare

Visar alla böcker från författaren Melinda J. Friedman. Handla med fri frakt och snabb leverans.

4 produkter

1. 

   Long Term Effects of Disinfection Changes on Water Quality

   Av John E. Dyksen, Catherine Spencer m. fl.

   Häftad, 2007

   1675 kr

   Lägg i varukorg

   Chlorine has been used in the treatment of drinking water in the United States since 1908. Since the Safe Drinking Water Act of 1974 and its amendments, utilities around the country have made changes to their disinfection strategies to meet more stringent regulations for either microbial …

2. 

   Establishing Site-Specific Flushing Velocities

   Av Melinda J. Friedman, Katherine Martel m. fl.

   Häftad, 2004

   1675 kr

   Lägg i varukorg

   Utilities need guidance related to appropriate flushing velocities in order to achieve a balance between water quality improvements, demand for O&M resources and water conservation. The objective of this project was to determine the range of flushing velocities required to dislodge and remove …

3. 

   Verification and Control of Pressure Transients and Intrusion in Distribution Systems

   Av Melinda J. Friedman, L. Radder m. fl.

   Häftad, 2005

   1675 kr

   Lägg i varukorg

   Sudden valve closures can create rapid changes in water velocity that result in transient pressure conditions. Pressure transients can travel throughout a distribution system and cause low or negative pressures. Contamination may occur if a leak or air-vacuum valve is submerged and a low pressure …

4. 

   Innovative Biofilm Prevention Strategies

   Av A. Bargmeyer, M. Shirtliff m. fl.

   Häftad, 2005

   2229 kr

   Lägg i varukorg

   Biofilms are ubiquitous in drinking water distribution systems, regardless of the type of treatment or disinfection employed by a utility. In general these biofilms pose no direct health threat unless their growth becomes excessive or pathogens that are inadvertently introduced into a distribution …