61
KESIMPULAN DAN SARAN 5.1 Kesimpulan
1. Sintesis karbon aktif berhasil dilakukan dari cangkang dan serabut buah bintaro kering spesies Cerbera odollam.
2. Ukuran partikel tidak memberikan pengaruh yang signifikan terhadap kapasitas karbon aktif yang dihasilkan.
3. Waktu pemanasan memberikan pengaruh yang signifikan terhadap kapasitas karbon aktif yang dihasilkan.
4. Adsorpsi larutan metilen biru dan green apple berhasil dilakukan pada temperatur ruangan dan tekanan atmosferik dengan pengadukan maksimum dengan alat shaker di Laboratorium Teknik Kimia UNPAR.
5. Temperatur pemanasan dan jenis activating agent memberikan pengaruh yang signifikan terhadap kapasitas adsorpsi karbon aktif yang dihasilkan.
6. Pemanasan dari temperatur 400⁰C ke 500⁰C menyebabkan penurunan terhadap kapasitas adsorpsi, sedangkan dari temperatur 500⁰C ke 600⁰C menyebabkan kenaikan kapasitas adsorpsi pada setiap jenis activating agent.
7. Activating agent jenis H3PO4 memberikan kapasitas adsorpsi yang paling besar dibandingkan ZnCl2 dan KOH pada temperatur pemanasan 400⁰C dan 600⁰C.
8. Activating agent jenis ZnCl2 memberikan kapasitas adsorpsi yang paling besar dibandingkan H3PO4 dan KOH pada temperatur pemanasan 500⁰C.
9. KOH cenderung memberikan kapasitas adsorpsi yang paling kecil dibandingkan H3PO4 dan ZnCl2 pada setiap variasi temperatur pemanasan.
10. Semakin tinggi temperatur pemanasan semakin sedikit rendemen yang diperoleh akibat semakin banyaknya komponen volatil yang menguap pada proses karbonisasi.
11. Penggunaan H3PO4 pada berbagai rasio temperatur memberikan hasil rendemen karbon aktif yang paling besar, yaitu antara 40.59 – 49.04 %; penggunaan ZnCl2
memberikan perolehan yang cukup besar, antara 35.02 – 43.78 %; sementara penggunaan KOH memberikan perolehan rendemen terkecil, antara 10.89 – 13.84
%.
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5.2 Saran
1. Perlu dikaji lebih lanjut pengaruh rasio impregnasi terhadap kapasitas karbon aktif.
2. Perlu dikaji lebih lanjut karakteristik adsorpsi karbon aktif dalam bentuk isoterm adsorpsi.
3. Perlu dilakukan analisa kuantitatif, seperti analisa SEM, BET, dan FTIR untuk mengetahui karakteristik karbon aktif yang diperoleh.
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