WHEAT STRAW AS RAW MATERIAL FOR MANUFACTURE …
The wheat straw was size-reduced using two connected hammer mills. The first hammer mill was a swinghammer shredder, size 15 × 8 and equipped with 25-mm screens (Jeffrey Rader, Stockholm, Sweden); the second was a H-30.C hammer mill (Kamas Industri, Karlstad, Sweden) equipped with 10-mm oval screening holes. The rotation speed of the first ...