A floating streambed comprising a circulation pump having an inlet hose or pipe, an inlet hose or pipe depth adjuster, and one or more treatment channels comprised of permeable matrix. The floating streambed floats on a water body. Water enters the inlet hose or pipe from the water body and is pumpe
A floating streambed comprising a circulation pump having an inlet hose or pipe, an inlet hose or pipe depth adjuster, and one or more treatment channels comprised of permeable matrix. The floating streambed floats on a water body. Water enters the inlet hose or pipe from the water body and is pumped by the circulation pump into the treatment channels. The treatment channels are comprised of permeable matrix, and water entering the treatment channels flows both horizontally through the treatment channel and into the water body and also vertically downward through the permeable matrix of the treatment channels.
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1. A floating streambed comprising: (a) an airlift pump comprising a rotatably adjustable deflector plate, the deflector plate having an angle and a height, wherein both the angle and the height of the deflector plate are adjustable; and(b) one or more treatment channels comprised of permeable matri
1. A floating streambed comprising: (a) an airlift pump comprising a rotatably adjustable deflector plate, the deflector plate having an angle and a height, wherein both the angle and the height of the deflector plate are adjustable; and(b) one or more treatment channels comprised of permeable matrix;wherein the height of the deflector plate is adjustable without moving the one or more treatment channels and independently of the angle of the deflector plate;wherein the floating streambed floats on a water body;wherein water is pumped by the airlift pump into the treatment channels; andwherein water entering the treatment channels flows both along the treatment channels and through the permeable matrix of the treatment channels. 2. The floating streambed of claim 1, wherein each treatment channel comprises an inlet, and wherein the airlift pump is installed at the inlet of the treatment channel. 3. The floating streambed of claim 1, wherein the airlift pump is installed within the treatment channel. 4. The floating streambed of claim 1, wherein the airlift pump further comprises an air compressor, an air supply hose, a diffuser, a pivot rod, a pair of lower attachment arms, a pair of upper attachment arms, and a U-shaped hanger; wherein the U-shaped hanger attaches the diffuser and lower attachment arms to the upper attachment arms;wherein the U-shaped hanger is attached to the upper attachment arms via collars that encircle a central portion of each upper attachment arm;wherein the upper attachment arms are attached to sidewalls of the treatment channel; wherein lower attachment arms are attached to a bottom of the treatment channel; andwherein the pivot rod is fixedly attached to the deflector plate and pivotally attached to the upper attachment arms. 5. The floating streambed of claim 1 wherein the deflector plate is supported by a first pivot rod having a first end and a second end and a second pivot rod having a first end and a second end; wherein the treatment channel comprises two sidewalls;wherein the first and second ends of the first pivot rod fit into holes in a pair of front support boards mounted on the sidewalls of the treatment channel;wherein the first and second ends of the second pivot rod fit into holes in a pair of rear support boards that are mounted on the sidewalls of the treatment channel;wherein each of the front and rear support boards has a length; andwherein the holes in the front and rear support boards are arranged vertically along the length of the front and rear support boards. 6. The floating streambed of claim 1, further comprising a plate lock that is configured to prevent angular rotation of the deflector plate. 7. The floating streambed of claim 1, wherein the airlift pump is rotatably mounted to the treatment channel such that the airlift pump is capable of rotation about a vertical axis. 8. The floating streambed of claim 1, further comprising an extension pipe that is connected to the airlift pump and treatment channel by pipe supports. 9. The floating streambed of claim 1 wherein the deflector plate is supported by at least one pivot rod sized to fit into holes in one or more support boards mounted on the sidewalls of the treatment channel; wherein the angle of the deflector plate is set by selecting particular holes and inserting the pivot rod into the selected holes. 10. The floating streambed of claim 9 wherein the at least one pivot rod comprises two pivot rods such that the deflector plate may be adjusted vertically and rotationally. 11. A floating streambed comprising: (a) a circulation pump comprising a rotatably adjustable deflector plate, the deflector plate having an angle and a height, wherein both the angle and the height of the deflector plate are adjustable; and(b) one or more treatment channels comprised of permeable matrix;wherein the height of the deflector plate is adjustable without moving the one or more treatment channels and independently of the angle of the deflector plate;wherein the floating streambed floats on a water body;wherein water is pumped by the circulation pump into the treatment channels; andwherein the water entering the treatment channels flows both along the treatment channels and through the permeable matrix of the treatment channels. 12. A floating structure comprising: (a) an airlift pump comprising a rotatably adjustable deflector plate, the deflector plate having an angle and a height, wherein both the angle and the height of the deflector plate are adjustable; and(b) one or more treatment channels comprised of permeable matrix;wherein the height of the deflector plate is adjustable without moving the one or more treatment channels and independently of the angle of the deflector plate;wherein the floating structure floats on a water body;wherein water is pumped by the airlift pump into the treatment channels; andwherein the water entering the treatment channels flows both along the treatment channel and through the permeable matrix of the treatment channels. 13. A floating streambed comprising at least one treatment channel and a steerable propulsion system, wherein the propulsion system comprises an airlift pump that is rotatably mounted to the inlet end of a treatment channel, the airlift pump comprising a rotatably adjustable deflector plate, the deflector plate having an angle and a height, wherein both the angle and the height of the deflector plate are adjustable; wherein the height of the deflector plate is adjustable without moving the treatment channel and independently of the angle of the deflector plate. 14. A floating structure comprising at least one treatment channel and a steerable propulsion system, wherein the propulsion system comprises an airlift pump that is rotatably mounted to the inlet end of a treatment channel, the airlift pump comprising a rotatably adjustable deflector plate, the deflector plate having an angle and a height; wherein the height of the deflector plate is adjustable without moving the treatment channel and independently of the angle of the deflector plate.
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