| 摘要 |
A process is presented for separating and removing acid gases or base gases from an acid feed gas or a base feed gas, respectively, by use of a gas permeable membrane and caustic or acidic solution. In particular, the process utilizes a caustic or an acidic solution, separated from the base feed gas or acid feed gas by a gas permeable membrane, to react with the base gases, such as, for example, ammonia (NH3), or acid gases, such as, for example, hydrogen cyanide (HCN), hydrogen sulfide (H2S), carbon dioxide (CO2), carbon oxysulfide (COS) and oxides of nitrogen (NOx), to form salts, thereby facilitating the removal of said base gas or said acid gas from the base feed gas or acid feed gas, respectively. In another aspect of the present invention is presented an apparatus for treating a feed gas containing an acid or a base gas wherein the apparatus comprises a feed gas passage; a treatment solution container containing a treatment solution; and a gas permeable membrane. |
