Polysilicon Process [Daily Question] 2011.12.25

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This post was last edited by yizhuxuan on 2011-12-28 08:08. Today’s 【Daily Question】: True or False questions related to polysilicon knowledge. Wishing all fellow enthusiasts a Merry Christmas and success in everything! 1. Low-temperature desorption is an operation method commonly used in chemical production. 2. The cross-flow sieve tray tower has a great degree of operational flexibility. 3. The traditional methods for recovering and reducing exhaust gases are: deep cryogenic recovery of chlorosilanes, and liquid washing for hydrogen recovery. Notes: 1. —↑↓Polysilicon version♫List of activities♫Quick guide for moderators↓↑— 2. Please be sure to hide your replies! Hide method address. If no reply is set, it will be deleted ； 3. Participation earns 2 wealth points as a reward; correct answers grant 5 wealth points, and those who provide a brief analysis may receive an additional 1-2 wealth points at the discretion of the organizers ； Each reply allows only one rating; moderators are requested to cancel any invalid ratings ； 4. Do not edit after replying; editing after replying will only earn you 2 wealth points as a reward ； 5. The purpose of this activity is to boost everyone’s enthusiasm for participation and to learn together about the knowledge related to the polysilicon segment ； 6. Encourage rating: Rating other sea friends does not consume one’s own resources, but rather the resources allocated by the system on a regular basis. For Haoyou members who receive positive ratings, a Gratitude Award will be presented on a monthly basis in this edition – stay tuned. Answer× × √