5 b EKSTRAKSI D3 - distantina.staff.uns.ac.id · EKSTRAKSI • Pelarut Non polar (petroleum ether...
Transcript of 5 b EKSTRAKSI D3 - distantina.staff.uns.ac.id · EKSTRAKSI • Pelarut Non polar (petroleum ether...
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kuliah PMD D3 Teknik Kimia FT UNS (sperisa distantina)
EKSTRAKSI
• Pelarut Non polar (petroleum ether and hexane) akan melarutkan komponen non-polar (minyak, lemak, lilin)
• Pelarut polar (methanol, ethanol , air) melarutkan komponen polar (garamalkaloid and gula).
(that mean like dissolve like)
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kuliah PMD D3 Teknik Kimia FT UNS
Contoh:•Mula-mula ada campuran gula di dalam minyak nabati.•Ingin dipisahkan gula dari minyak.•Caranya???
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Bagaimana jika campuran tadi ditambah air?Data: gula larut dalam air, dan
air tidak larut dalam minyak.
Berat jenis air > berat jenis minyak
Setelah dikocok
Setelah settling
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kuliah PMD D3 Teknik Kimia FT UNS
EKSTRAKSI CAIR-CAIR
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kuliah PMD D3 Teknik Kimia FT UNS
Contoh: pemisahan asam propoionat dalam kerosen menggunakan air sebagai pelarut
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kuliah PMD D3 Teknik Kimia FT UNS
Light Phase Out
Heavy Phase In
Light Phase In
Heavy Phase Out
Shell
Light Phase Out
Heavy Phase In
Light Phase In
Heavy Phase Out
Shell
Mixer
Fase-fase yang tidak saling larut, terpisah berdasarkan berat jenis.
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kuliah PMD D3 Teknik Kimia FT UNS
Skala lab
Skala industri
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kuliah PMD D3 Teknik Kimia FT UNS
Light Phase Out
Heavy Phase In
Light Phase In
Heavy Phase Out
Shell
PerforatedPlate (Tray)
Weir
Downcomer
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Ekstraksi gula (leaching)
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kuliah PMD D3 Teknik Kimia FT UNS
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