New catalyst destroys groundwater perchlorates
- Perchlorate reduction in a HYDROGEN-BASED MEMBRANE-BIOFILM REACTOR. Nerenberg, Robert; Rittmam, Bruce E.; Najm, Issam // Journal: American Water Works Association;Nov2002, Vol. 94 Issue 11, p103
Presents information on a study which investigated a hydrogen oxidizing hollow-fiber membrane-biofilm reactor system for perchlorate removal. Materials and methodology of the study; Results and discussion; Conclusions.
- Checking the Regulatory Radar. Lacey, Marcia // Journal: American Water Works Association;Mar2009, Vol. 101 Issue 3, p2
The article discusses various reports published within the issue, including the study on the cost implications of the regulation on perchlorate removal in drinking water for utilities in the U.S., and the article on the principles of the Total Coliform Rule (TCR).
- Perchlorate Groundwater TREATMENT. Morss, Christopher G. // Pollution Engineering;Oct2003, Vol. 35 Issue 9, p18
Discusses ways by which the perchlorate contamination of specific water sources in the U.S. have been treated. Information on perchlorate contamination; Method of treating water contamination by using resin; Application of the ion exchange systems to treat perchlorate contaminants; Utilization...
- Perchlorate as a secondary substrate in a denitrifying, hollow-fiber membrane biofilm reactor
. Nerenberg, R.; Rittman, B.E. // Water Science & Technology: Water Supply;2002, Vol. 2 Issue 2, p259
Focuses on how in recent years, several oxyanions have emerged as drinking water micropollutants, including arsenate, selenate, bromate, and, most recently, perchlorate. How conventional water treatment processes typically are ineffective in removing these compounds, and advanced treatment...
- Data gains push perchlorate nearer to regulatory determination. Scharfenaker, Mark // Journal: American Water Works Association;May2005, Vol. 97 Issue 5, p15
Examines recent developments in the U.S. Environmental Protection Agency and state efforts to characterize perchlorate risk and occurrence. Perchlorate risk assessment; Perchlorate drinking water standard proposed by Massachusetts; Study on perchlorate occurrence conducted by HDR and funded by...
- 'Safe dose' of rocket fuel now larger. McCord, J. M. // High Country News;3/21/2005, Vol. 37 Issue 5, p6
Reports on new drinking water standards being considered by the U.S. Environmental Protection Agency's Office of Water for perchlorate in 2005. Physiological effects of perchlorate; Plan of California to enforce drinking water standards by the end of 2005.
- National cost implications of a perchlorate regulation. L. H. // Journal: American Water Works Association;Mar2009, Vol. 101 Issue 3, p20
The article focuses on the study conducted by Caroline G. Russell and colleagues concerning the cost implications of a perchlorate regulation in the U.S. It mentions that the cost implications of a perchlorate maximum contaminant level are relatively low due to the chemical's limited occurrence...
- A Dash of Oil and Let Marinate. Zawtocki, Christie; Lieberman, M. Tony; Birk, Gary // Pollution Engineering;May2004, Vol. 36 Issue 5, p30
Discusses the effectiveness of emulsified edible oil substrate in cleaning up chlorinated solvents and perchlorate in groundwater. Provision of cost-effective approach for stimulating in-situ anaerobic biological activity; Removal of perchlorate; Distribution in subsurface.
- A review of perchlorate occurrence in public drinking water systems. Brandhuber, Philip; Clark, Sarah; Morley, Kevin // Journal: American Water Works Association;Nov2009, Vol. 101 Issue 11, p63
The national occurrence of perchlorate in drinking water was analyzed and mapped by compiling data from existing perchlorate occurrence surveys. The existing surveys included studies conducted by utilities for the first Unregulated Contaminant Monitoring Rule and by the states of Arizona,...