| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a chemical filter for treating a circulating system constituted so that a part of the constituent parts of the filter can be reutilized after use, a filter unit having the chemical filter incorporated therein and a method for recovering a filter base material. SOLUTION: In the gas removing filter 4 constituted by almost parallelly arranging filter pieces 3 each formed by bonding an adsorbent 2 to the filter base material 1 by an adhesive so as to pass target gas through the gaps between the filter pieces 3, the adhesive comprises a water soluble adhesive.</p> |
