Download - PPT ADSORPSI_SMAN1JEMBER
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ADSORPSI
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MATERI adsorpsiMacam-macam adsorbenFaktor-faktor yang mempengaruhi
adsorpsi Jenis adsorpsiProses adsorpsi
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adsorpsiPeristiwa menempelnya atom atau molekul suatu zat pada Permukaan partikel lain yang disebabkan Ketidakseimbangan Gaya-gaya yang ada pada permukaan partikel tersebut (Keenan, 1990)
adsorben adsorbat
Proses pemisahan komponen dari campuran gas atau cair, komponen yang akan dipisahkan ditarik oleh permukaanAdsorben dan diikat oleh gaya-gaya yang bekerja di permukaannya
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Sifat-sifat adsorbat
• konsentrasi•Ukuran molekul
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Sifat-sifat adsorben
• luas permukaan• kemurnian
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Yang mempengaruhi adsorpsi
• temperatur• sifat-sifat adsorbat• sifat dan keadaan adsorben• pH• jenis ikatan yang terjadi
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Adsorbent, adsorpt dan adsorbate
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Jenis adsorpsi
FISIKA KIMIA
hanya menempel dipengaruhi gaya van waals Cepat reversibel adsorbat beberapa lapis
• membentuk ikatan kimia•Sulit lepas lagi• agak lama• irreversibel• adsorbat hanya 1 lapis
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Macam-macam adsorben
sekam padi manganeseZeolit arang (dari bahan yang mengandung karbon) dll
harus berpori mempunyai gugus aktif (adsorpsi kimia)
SYARAT
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