のり人工培養槽,培養設備の設計

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Apilot plant for economical study of artificial culture of layer was designed and constructed based on series of 10m3 main culture, 2m3 test culture, 400l pre-culture, germinating vessels and artificial seawater make-up, CO2 dissolving vessels, etc. Utilities supply systems, e.g. aeration, seawater circulation and cooling, the instrumentation, e.g. temperature control, continuous record-ing of temperature, pH and light intensity, were also provided. Gulture vessels were constructed by using carbon steel and lining the inner side with a white hard PVC sheet. They have cooling pipes, light sources, an air bubbler and some detectors for the instrumentation as accessories. Cooling pipes were made from AISI 316L, and accessories were made from PVC, pyrex glass or polymethacryl resin. These materials were determined byprevious laver culture tests and confirmed non-toxic performance. Culture vessels were designed as cylindrical vessels with air sparger and draft tube, based on the test results of liquid mixing and thalli circulating performances. The on-off set controller only D action and solenoid valve were selected for temperature control of culture by regulating coolant and realized suitable temperature control economically. Screen filter with rotary slit moving by water flow was designed for separation of layer thalli from seawater effectively. The experimental system of a pilot plant worked satisfactorily for about 5 years in artificial culture tests of layer thalli on a larger scale and introduced cultural data for practical problems.
日本水産學會の論文

のり人工培養槽,培養設備の設計

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