FLOATING LAKE SYSTEM AND METHODS OF TREATING WATER WITHIN A FLOATING LAKE
First Claim
1. A method for treatment of water in a floating lake, wherein the floating lake is installed within a larger water body such as an ocean, river, lake, reservoir, lagoon, pond, canal, estuary, stream, ocean bay, river bay, dam, pond, harbor, or bay, the floating lake including walls and a bottom, and wherein the bottom of the floating lake is constructed of a flexible material having a Young'"'"'s modulus of up to 20 GPa, wherein the method comprises:
- a. applying an oxidant to the water to maintain an ORP level of at least 550 mV for a minimum of about 10 to about 20 hours within a 52-hour cycle;
b. applying a flocculant to the water before the turbidity of the water exceeds 5 NTU;
c. activating operation of one or more mobile suctioning devices before the black color component of the bottom of the floating lake exceeds 30% on a CMYK scale, wherein the mobile suctioning device suctions a portion of water from the bottom containing settled solids;
d. filtering the water suctioned by the mobile suctioning device and returning the filtered water to the floating lake, thereby providing for removal of settled solids from the water in the floating lake without filtering the total volume of water in the floating lake; and
e. supplying water to the floating lake to maintain a positive pressure of at least 20 Newtons per square meter of the surface area of the floating lake, wherein the supplied water has a true color of up to 35 Pt—
Co and less than 2,000 CFU/ml of bacterial count, and wherein the positive pressure is maintained for at least 50% of the time within 7-day intervals and wherein water is supplied to the floating lake at a reposition rate according to the following equation;
Reposition Rate≧
Evaporation Rate+Cleaning Rate+Leakage rate.
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Accused Products
Abstract
The present invention relates to floating lakes and to the treatment of the water in such lakes. The present invention further relates to large floating lakes that can be installed within a natural or artificial water body to improve water conditions that are unsuitable for recreational uses. The floating lake can be provided with a chemical application system; a filtration system including a mobile suctioning device and filters; a skimmer system, and optionally a coordination system.
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Citations
49 Claims
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1. A method for treatment of water in a floating lake, wherein the floating lake is installed within a larger water body such as an ocean, river, lake, reservoir, lagoon, pond, canal, estuary, stream, ocean bay, river bay, dam, pond, harbor, or bay, the floating lake including walls and a bottom, and wherein the bottom of the floating lake is constructed of a flexible material having a Young'"'"'s modulus of up to 20 GPa, wherein the method comprises:
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a. applying an oxidant to the water to maintain an ORP level of at least 550 mV for a minimum of about 10 to about 20 hours within a 52-hour cycle; b. applying a flocculant to the water before the turbidity of the water exceeds 5 NTU; c. activating operation of one or more mobile suctioning devices before the black color component of the bottom of the floating lake exceeds 30% on a CMYK scale, wherein the mobile suctioning device suctions a portion of water from the bottom containing settled solids; d. filtering the water suctioned by the mobile suctioning device and returning the filtered water to the floating lake, thereby providing for removal of settled solids from the water in the floating lake without filtering the total volume of water in the floating lake; and e. supplying water to the floating lake to maintain a positive pressure of at least 20 Newtons per square meter of the surface area of the floating lake, wherein the supplied water has a true color of up to 35 Pt—
Co and less than 2,000 CFU/ml of bacterial count, and wherein the positive pressure is maintained for at least 50% of the time within 7-day intervals and wherein water is supplied to the floating lake at a reposition rate according to the following equation;
Reposition Rate≧
Evaporation Rate+Cleaning Rate+Leakage rate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. An artificial floating lake system, wherein the floating lake is installed within a larger water body such as an ocean, river, lake, reservoir, lagoon, pond, canal, estuary, stream, ocean bay, river bay, dam, pond, harbor, or bay, the system comprising:
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a. a floating lake comprising a flexible bottom having a Young'"'"'s modulus of less than about 20 GPa and walls having a rim, wherein the rim comprises a flotation system; b. a chemical application system for applying an oxidant or flocculant to the water in the floating lake;
wherein the chemical application system is activated to apply an oxidant to water in the floating lake to establish an oxidation-reduction potential (ORP) in the water of at least 550 mV for about 10 to about 20 hours within a 52-hour cycle;c. a pumping system for maintaining a positive pressure of at least 20 Newtons per square meter of the surface area of the floating lake, wherein the positive pressure is maintained for at least 50% of the time within 7-day intervals; d. a mobile suctioning device capable of moving along the flexible bottom of the floating lake and suctioning a portion of water from the bottom containing settled solids; e. a filtration system in fluid communication with the mobile suctioning system, wherein the filtration system receives the portion of water suctioned by the mobile suction system; and f. a return line for returning filtered water from the filtration system to the floating lake. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48)
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49. An artificial floating lake system constructed within a surrounding water body, the system comprising:
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a. a floating lake disposed in a surrounding water body, the floating lake comprising water and a flexible bottom having a Young'"'"'s modulus of less than about 20 GPa and walls having a rim, the bottom and walls defining a volume, wherein the rim comprises a flotation system, and wherein the floating lake has a surface area of at least 5,000 m2; b. a chemical application system adapted for applying an oxidant or flocculant to the water in the floating lake; c. one or more mobile suctioning devices capable of moving along the flexible bottom of the floating lake and suctioning a portion of water from the bottom, where the water contains settled solids; d. a filtration system comprising a plurality of filtration systems, wherein the filtration system is in fluid communication with the one or more mobile suctioning systems, wherein the filtration system receives the portion of water suctioned by the one or more mobile suctioning systems; e. a return line in fluid communication with the filtration system for returning filtered water to the floating lake; f. a coordination system arranged and configured to activate the chemical application system to maintain an oxidation-reduction potential (ORP) in the water of at least 550 mV for about 10 to 20 hours within any 52-hour cycle, the one or more mobile suctioning devices before the bottom'"'"'s color black component exceeds 30% on a CMYK scale; and g. a pumping system constructed to pump water into the floating lake and to maintain a positive pressure of at least 20 Newtons per every square meter of the surface area of the floating lake, wherein the positive pressure is maintained for at least 50% of the time within 7-day intervals.
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Specification