This thesis with the target volume for removal on the basis of AsH3 manipulated raw materials, using the experimental device, material changes properties of salt and iron, the reaction temperature, the amount of oxygen, heat burn, then absorbing performance analysis. In the experimental process, seeking out the best absorption conditions to do the principles put into actual production. Through experimental process shows, the selection of different devices to identify charcoal featuring the best AsH3 deaerator. Activated charcoal in 180 min period, still have the performance reduction of 99% rate AsH3. The selection of the different activity groups for material properties of FeCl shows salt and iron is the best properties group. The performance reduction of sorbents are increased according to the following order: Ac-Ac FeCl < < FeCl-AC. From this order shows, absorbing features of FeCl-Ac can be due after the FeCl properties on the surface of materials that form the chat activity physical absorption leads to chemical absorption. Temperature response have great influence to absorb AsH3, system temperature too low will not provide enough heat to make the active gas molecules, impurities in the air do not happen chemical reaction with active substances on the surface. at 60 º C is the best response to temperature sorbents FeCl/Ac. combustion temperatures have affected quite complicated to efficiently absorb. If the temperature is too low to make activated charcoal could not be born out of the active substance. If the temperature is too high will cause the active substance of resolution, would break the structure forming the hole, an antenna effects absorption of activated charcoal. In summary, change properties of iron, has the ability to lọa remove AsH3 is fast, efficient, low cost, high scope broad, easy to conduct, has the potential to apply. Từ khóa: Than hoạt tính AsH3 Tính năng hấp thụ
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