Liquid purification or separation – Processes – Including geographic feature
Patent
1991-06-12
1993-02-09
Hruskoci, Peter
Liquid purification or separation
Processes
Including geographic feature
210752, 210758, 210205, 2102422, 261120, C02F 700
Patent
active
051850850
ABSTRACT:
A boat and method for treating a body of water which includes continuously scooping surface water as the boat traverses the lake. The method may include the step of adding a neutralizing agent such as lime to a body of water. To avoid forming "hot spots" in the body of water, water is continuously scooped from the surface and treated while in a barge which trails the boat. Neutralized water, instead of lime, is then returned to the lake at a predetermined depth. To treat as much water as quickly as possible, the scoops are funnel-like with parabolic portions, and conduits conveying water from the scoops have high velocity pumps to increase the velocity of the water relative to the speed of the boat. The barge includes a number of compartments for containing a variety of chemicals such as lime. The scooped water may be directed to one or more of the compartments. In an additional or alternative treatment, the water being scooped from the surface may be aerated and returned to a lower, oxygen-depleted level of the lake.
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"The Ifs, Ands and Buts of Lake Aeration," by Edward B. Swain, Minnesota Pollution Control Agency, St. Paul, Minn., p. 38-Minnesota Lake Management Conference, Oct. 1989.
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