The current studies demonstrated that SPC of the epilimnion, the upper portion of the water column where blooms occur, strongly suppressed FHABs even in nutrient-rich waters.
Dickinson, ND (Vocus) March 25, 2010
Harmful Algae, a peer-reviewed scientific journal dedicated to promoting knowledge of harmful microalgae and the control of these organisms, recently published a report on the efficacy of solar-power circulation (SPC) in suppressing freshwater harmful algal blooms (FHABs). The incidence of FHABs is increasing worldwide due to excessive nutrient input and declining flow rates. FHAB organisms and their toxins present risks for human and animal health, aquatic-ecosystems sustainability and even economic vitality. Efforts to control algal blooms have ranged from watershed management to limit nutrient input, to chemical algaecide treatments to terminate blooms, to environmentally preferable methods such as SolarBee’s unique SPC technology to prevent blooms.
Titled, "Freshwater harmful algal bloom (FHAB) suppression with solar-powered circulation (SPC)," the article combines data collected by personnel at three water utilities where high nutrient levels and periodic seeding with cyanobacteria caused annual blooms. The current studies demonstrated that SPC of the epilimnion, the upper portion of the water column where blooms occur, strongly suppressed FHABs even in nutrient-rich waters. The good algae and zooplankton thrived when FHABs were suppressed, enabling the nutrients to move up the food chain to fish. SPC effectively suppressed FHABs and reduced operational expenditures on algaecides and chemicals used in producing drinking water. Health, the environment and our economy benefited from this ecologically-based approach to within-water-body management of FHABs.
Download the full article at: http://www.SolarBee.com/Harmful-Algae
SolarBee Inc., a division of Medora Environmental Inc., develops and installs solar-powered circulation equipment to help solve water-quality problems in raw water reservoirs and lakes, wastewater lagoons, storm-water ponds, estuaries, potable and recycled water storage tanks, and other reservoirs. The floating circulators create a near-laminar flow that can prevent and control algae in lakes, reduce aeration time and expense in wastewater lagoons; and completely mix any size potable water tanks to provide a uniform water age and reduce nitrification, stagnation and residual loss. The long-distance circulators can move up to 10,000 gallons per minute from depths of more than 100 feet and have been proven in hundreds of applications worldwide. For more information about SolarBee, visit http://www.solarbee.com
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