| 摘要 |
<p>Poultry excrement dried to 90% moisture removal is fed along by screw to a point at which an odoriser composed of hay, organe blossom etc. scent mixed with solid silica gel carriel or applied in a soln. with isopropanol, is added. The mixture is then blended and passed to a storing point where it is bagged in polyethylene lined with polyamide. The product is devoid of its natural smell, and can be packed and stored, with other materials without contaminating these.</p> |
