| 摘要 |
<p>PURPOSE:To provide a carrier particle producible continuously at a low cost, capable of immobilizing microorganisms in high concentration, and useful for the stable bioreaction such as fermentation and water-treatment, etc., by winding a yarn or fiber around a plastic substrate having notches at the outer surface. CONSTITUTION:A yarn or fiber (natural or synthetic fiber, preferably a tape or sheet woven by filament of 0.1- several tens mu diameter or a yarn having a thickness of several tens - several hundreds mu in view of tensile strength) is wound around a plastic substrate having notches at the outer surface (a thermoplastic resin or thermosetting resin such as PE, PS, polyurethane, etc. preferably having a length and diameter of 1-50mm.), to obtain the objective carrier. It can immobilize microorganisms, etc. in high concentration. Although excess microorganisms are sometimes released from the gap between the yarns and fibers according to the progress of proliferation, and dissipated from the system by the flow and vigorous agitation of the carrier particles, however, the microorganisms retained in the inside of the carrier are resistant to the release. Accordingly, the carrier is suitable to use in the form of fluidized bed or mixed bed, etc.</p> |
