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Investigating low-temperature methanol washing

2009-03-27View Original

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I’m planning to go and inspect manufacturers that use low-temperature methanol washing technology soon (not for actual* purposes). Could everyone suggest what aspects should be given priority when conducting such inspections? With only a few days left, what should be the focus? Note: I work in process engineering
Reply #22009-03-27
There is a set of steps for examining operating parameters such as the temperature control range, the use of heat sources, consumption metrics, and removal efficiency!
Reply #32009-03-27
Construction cost, operating cost, desulfurization efficiency! 【Do you also need to go through methanol washing for your inspection?】 】
Reply #42009-03-28
There’s nothing to evaluate here; these are all mature manufacturing processes. Just approach a design institute to handle it, and then have an experienced person take a look once it’s done.
Reply #52009-03-29
Since we are also preparing to implement low-temperature methanol washing, the inspections have given us a new understanding, which will be useful for the subsequent construction phase as well.
Reply #62009-03-29
We also need to go through low-temperature methanol washing; could you arrange a visit to a manufacturer?
Reply #72009-03-29
Shenmu Chemical, Ningxia Coal, Nanjing Huisheng, Weihe Coal Chemical, Yunwei Co., Ltd., Hualu Hengsheng, Shenhua Group, Gansu Huating, Ningbo Wanhua (under construction), Nanjing Huisheng Phase II (under construction), Xianyang Chemical (under construction) – all these companies have low-temperature methanol washing facilities, and they are operating quite well. You can go and take a look.
Reply #82009-03-29
In addition to the process parameters and energy consumption mentioned on the 2nd floor (especially cooling load and methanol circulation volume), it is also necessary to pay close attention to the problems that arise during the operation of the plant as well as the operational experience of the manufacturers visited. For example, 1) equipment corrosion and scaling issues, which may affect material selection and equipment redundancy in subsequent engineering design; at such times, the owner needs to make a decision to strike a balance between construction costs and the reliability and availability of the plant in the long term. 2) The operation status of key equipment, such as the selection of several critical heat exchangers and high-head pumps; of course, whether the owner needs to consider this depends on the approach taken for project implementation.
Reply #92009-03-30
I believe that it is important to examine the analysis of accident causes and the methods for handling them!
Reply #102009-03-30
If you don’t even know what accidents have occurred at the site being inspected, how can you analyze the causes and determine appropriate solutions? Moreover, when going for an inspection, the manufacturers being inspected generally won’t take the initiative to tell you about any accidents or issues they have encountered; it’s already good if they are willing to answer your questions. Therefore, it’s necessary to think carefully about what you want to check – conducting the inspection with a clear purpose will ensure that it isn’t pointless.

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