PLASTIC SEAWEED

THE PRODUCTION OF POLYPROPYLENE MONOFILAMENT WITH A VERY LOW SPECIFIC GRAVITY HAS REPORTEDLY MADE FEASIBLE THE PLACEMENT OF ARTIFICIAL 'SEAWEED' AS A MEANS OF PREVENTING SUBSOIL EROSION. THE PRODUCT IS ALSO SAID TO OFFER POSSIBLITIES OF PREVENTING THE SILTING OF PORTS AND CHANNELS, UNDERMINING OF DIKES AND LOCKS BY CURRENTS AND THE STRIPPING OF PROTECTIVE SAND LAYERS FROM UNDERWATER LINES. THE PROCESS, IN WHICH POLYPROPYLENE IS MIXED WITH A GAS, AND FOAM FILAMENTS ARE FORMED, IS SAID TO REDUCE SPECIFIC GRAVITY TO 0.2. THE ARTIFICIAL SEAWEED IS LAID ON THE BED OF THE SEA OR RIVER AND ANCHORED BY A TYPE OF WOVEN CURTAIN, WITH EDGES FILLED WITH STONES, GRAVEL OR STEEL RODS. /ARTICLE/

  • Corporate Authors:

    Consulate General /Netherlands

    /Commercial Division
    ,   USA 
  • Publication Date: 0

Subject/Index Terms

Filing Info

  • Accession Number: 00229669
  • Record Type: Publication
  • Source Agency: Washington Science Trends
  • Files: TRIS
  • Created Date: Aug 15 2004 2:15AM