逆流式除铁、除铁更充分，设有回浆管、浆料不浪费。
Countercurrent type is used for remove iron, we adopt return flow pipe to make best use of raw material.
此外，创造了回浆法和冷却水系统的半封闭式循环用水等新工艺，大大节约了用水量。
Morever, new technolo-gies such as slurry-recycling method and semi-closed circuit water circulation for cooling sys-tem were adopted reducing water consumption greatly.
通过对马尾松亚硫酸盐浆、TMP浆和GWP浆的回用实验，本文得出了回用纤维品质衰变的基本规律。
Through the recycling of sulfate, TMP and GWP pulps of masson pine, the law of quality decay of recycled masson pine fiber has been summarized.
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