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December 11, 2003
By: Dustin Cyril
Website: http://www.water-purification-filters.com
Three NJIT professors have expertise on water quality and the drought
New Jersey Institute of Technology (NJIT) has three engineers whose combined
knowledge about water quality and the drought is unparalleled.
Water Quality Expert
Taha F. Marhaba, Ph.D., is associate professor of environmental engineering and director of the
New Jersey Applied Water Research Center at New Jersey Institute of Technology (NJIT).
Marhaba has an expertise in water quality and most notably has developed what is known as the spectral
fluorescent signatures (SFS) technique. The technique is used to rapidly identify organics in water--organics
that could be problematic. The SFS acts like a fingerprint of water, characterizing its organic content and
allowing researchers to see if the water contains natural or unnatural sources. Most importantly, the SFS
allows researchers to determine the organic character of watersheds and to check the water quality.
Marhaba also has an expertise in droughts, and has been one of New Jersey\'s leading commentators on the
consequences of the current drought.
Marhaba\'s work has been published in Water Research, Journal of Environmental Engineering, Journal of
Hazardous Materials and elsewhere. Prior to joining NJIT in 1995, he was associated with environmental
consulting at Stone & Webster Engineering Corp. He has a doctorate and a master\'s degree in environmental
engineering and a bachelor\'s degree in civil engineering from Rutgers University, New Brunswick.
Water Treatment Researcher
Hsin-Neng Hsieh, Ph.D., is professor of civil and environmental engineering and associate chair of
the department at NJIT.
His current research includes analyzing the low-cost treatment of municipal wastewater; treatment of
industrial sludge and the impact of combined sewer overflow on water quality.
Combined sewer overflow relates to older cities, such as Newark, whose pipes handle both storm water and
residential wastewater. The two kinds of water eventually discharge from the pipes and into estuaries,
streams and rivers. When the combined pipe system was designed, Hsieh says, engineers assumed it was safe.
But current engineers no longer assume that: Hsieh is thus studying the effect of a combined pipe system on
water quality and drinking water. He received his bachelor\'s degree from Cheng-Kung University, Taiwan, his
master\'s degree from University of Iowa, and his doctorate from the University of Pittsburgh.
Authority on Water Purification and Membranes
Kamalesh K. Sirkar, Ph.D., distinguished professor of chemical engineering and the sponsored chair
for membrane separations at NJIT, is also the director for the Center for Membrane Technologies, all at
NJIT. He has received a number of awards and honorary degrees, and is a co-editor of the widely used
Membrane Handbook, (Chapman and Hall Publishers, N.Y.) 1992. He has authored 162 publications and holds 19
U.S. patents. He is an internationally renowned expert in membrane separation technologies, some of which
are being increasingly employed for water purification as well as desalination. Sirkar has also studied
industrial uses of water and how industries might recycle wastewater.
Additional News, see benefits of drinking water.
Author Notes:
Dustin Cyril contributes and publishes news editorial to http://www.water-purification-filters.com.
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