PRESSURE-CIRCULATING TYPED ABSORPTION DEVICE USING COMPOUND OF ABSORBENT AND METHOD

摘要

PURPOSE: An absorption device is provided to reduce the expenses of the absorption process using an absorbent having a high performance and high cost. CONSTITUTION: An absorption device for separating the heavy ingredients from the light ingredients of supply stream has: an absorbent bed selected between the compound containing more than 2 of absorbents and the complex absorbent containing more than 2 of absorbents; at least one between the absorbents is a weak absorbent to the heavy ingredients and the other is a strong absorbent.