Animal husbandry – Aquatic animal culturing – Mollusk culturing
Patent
1993-04-19
1997-12-02
Swiatek, Robert P.
Animal husbandry
Aquatic animal culturing
Mollusk culturing
119234, A01K 6100
Patent
active
056924550
ABSTRACT:
A land-based, closed facility for the production of bivalve mollusks in a fluidized bed using shrimp pond water. The facility comprises a vertical column built on a base tank that circulates shrimp pond water from a system of pipes. The shrimp pond water flows upward through the vertical column at specific intermediate velocities, allowing oysters in the column to be individually suspended in the fluid currents. The bed remains motionless relative to the column walls. At low velocities, the oysters in the vertical column lie on one another and on the bottom of the column, and at high flow velocities the fluid flow become a hydraulic transport, pushing the oysters out of the column. The column has a vertical viewing window. An overflow valve releases water from the column. Attached to the base tank is a site gauge to determine the pressure of the fluid supplied to the base of the column. The pipe carrying the shrimp pond water to the base tank has two shut-off valves. One is located next to the base tank, and one is located next to the main water supply. The pipe also has a flow control valve and a flow sensor located in between the two shut-off valves. Attached to the opposite side of the base tank is a drain. The shrimp pond water contains the nutrients necessary for the oysters' growth in the fluidized bed column, and the oysters solve the problem of shrimp bed water disposal.
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Jaw-Kai Wang, "Managing Shrimp Pond Water to Reduce Discharge Problems", Aquacultural Engineering, vol. 9, pp. 61-71 (Great Britain 1990).
Wang et al., "Preliminary Investigation of an Oyster-Shrimp Joint Production System", Transactions of the ASAE, vol. 3, pp. 975-980 (U.S.A. 1990).
Lam et al., "Effects of Feed Water Flow Rate on Aquacultured Crassostrea Virginica", Aquacultural Engineering, vol. 9, pp. 1017 (Great Britain 1991).
Jakob et al., "Experimental Design of an Oyster Grow-Out System", Cheme Symposium Series, No. 111, pp. 251-262 (U.S.A.).
Creighton Wray James
Swiatek Robert P.
University of Hawai'i
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