煤制甲醇硫回收方法？ 1. 煤制甲醇 coal to methanol the process route is: coal - syngas( 合成气) - syngas cleaning - methanol synthesis - methanol purification 2 .脱硫方法 as shown above, sulfur removel is a step to remove sulfur (h2s,cos) from syngas the purpose to 脱硫 is to protect the down stream methanol synthesis catalyst (zno/cuo) the common spec is to reduce s in the syngas to less than 1ppmv rectisol ( 低温甲醇洗 ) is the most widely used 脱硫方法 for this application 3. 硫回收方法 this is a side step not shown above. basically it is a step to recover sulfur removed 脱硫 step to produce product 硫 for sale. claus is widely used for this purpose but the choice of 硫回收方法 is highly dependent on the amount of sulfur in the coal feedstock and the other factors like if there is a local maket for the recovered sulfur 4. 我们煤矿的煤硫含量特别低，准备采用的是生物脱硫方法 please provide more details, so we can all learn and benefit. [ ]查看更多
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