| 摘要 |
<p>In the process, purified and mechanically dewatered starting material, such as wood chippings, turnings and the like, are fed into a prewarming stage and subsequently digested to give a fibre pulp. In order to achieve particularly environmentally friendly and economical usage of the water produced on mechanical dewatering of the purified starting material containing ligno-cellulose, it is intended to feed all the water produced on dewatering a starting material purified by mechanical means to a preheating stage. …<IMAGE>… </p> |
