介绍了物理吸附法、化学法和生物法等去除甲醛的方法的研究概况，指出了今后的室内研究方向。
Reviews the removal methods of formaldehyde, including physical adsorption method, chemical method and biological method. Points out the future study direction.
另一方面，使物理吸附法和化学包埋法相结合，为固定化微生物细胞处理有机废水提供出一种新的尝试。
On the other hand, it offered an attempt for immobile microbe cell to disposal organic liquid waste by integrating physics adsorption and chemistry embedment.
实验结果表明，物理吸附法固定化凝血酶的活性回收率(81%)高于化学结合法固定化凝血酶的最佳结果(56%)。
Activity recycle ratio of immobilized thrombin prepared by physical adsorption method is 81%, higher than that by chemical covalent binding method (56%).
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