| 摘要 |
PCT No. PCT/DE96/00569 Sec. 371 Date Oct. 31, 1997 Sec. 102(e) Date Oct. 31, 1997 PCT Filed Mar. 26, 1996 PCT Pub. No. WO96/34726 PCT Pub. Date Nov. 7, 1996In order to save energy and reduce the exhaust air volume in the production of wood fibers from wood chips, it is proposed to add unsaturated hot steam to the saturated steam used to plasticize the timber binders and soften the wood fibers in a closed-cycle process. |
