Centrifuges and filter presses
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For the existing crystalline solution of arsenic trioxide, what kind of dehydration equipment would be suitable? Arsenic trioxide also needs to be washed in order to remove the mother liquor, with as little washing water as possible being required. I would appreciate your advice!
Reply 1# yang*anghui Gypsum powder? Is the filter press useful?
In recent years, a new type of vertical plate and frame filter press has been introduced; I think it’s quite suitable for your field of work. It allows filtration, washing, and drying to be carried out in one step, and it offers excellent filtering performance. The moisture content of the liquid after filtration varies significantly depending on the type of material; crystalline materials generally achieve a moisture level of 4-8%, while viscous materials can reach up to 20-30% in terms of moisture content.
I think using a centrifuge is better, and it saves time. The preparation for plate and frame filter presses is complex, and they are not easy to clean.
Old-fashioned horizontal filter presses are quite troublesome. However, the new type of vertical filter press operates in a fully automatic manner, is quite simple to use, and its filtering efficiency is generally several times higher than that of centrifuges
Filter presses are not easy to clean....
Hermetically sealed centrifuge. It is recommended to use GK800~1250
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Personally, I think using a centrifuge is better, as it allows for washing during the dehydration process, thereby improving purity.
Two-stage pusher centrifuge equipped with a washing function; the material to be separated must have a particle size of >50 UM