Desain Closed Photobioreaktor Chlorella Vulgaris Sebagai Mitigasi Emisi CO2

Rizqa Daniyati, Gatut Yudoyono, Agus Rubiyanto
Submission Date: 2012-07-19 08:36:26
Accepted Date: 2012-09-11 00:00:00

Abstract


Telah dilakukan desain closed photobioreaktor yang sesuai dengan perkembangan mikroalga Chlorella Vulgaris pada closed fotobioreaktor. Penelitian ini menggunakan  jenis flat-plate berdimensi 14x15x20 cm dengan efektivitas media kultur 2500 ml dan sumber cahaya lampu Tungsten Halogen 20 Watt 220 Volt  sebanyak dua buah yang diletakkan pada sisi kanan dan kiri reaktor dengan intensitas cahaya 1000 lux. Penelitian ini menggunakan dua buah fotobioreaktor yaitu jenis I tidak disuplay dengan CO2 dan jenis II disuplai dengan CO2 sebanyak 15 % dengan kepadatan sel awal kultur Chlorella Vulgaris 14,6857 x 105 sel/ml kemudian pengamatan selanjutnya dilakukan setiap hari menggunakan Haemocytometer. Pengambilan data konsentrasi O2 dilakukan setiap hari sebanyak 3 kali pada lama penyinaran 1, 4, dan 7 jam  dengan menggunakan sensor gas O2 KE-50. Nilai ∆ konsentrasi optimum O2 pada fotobioreaktor I terjadi pada hari ke-2 yaitu 0,68% dan pada fotobioreaktor II 0,54%.


Keywords


Closed fotobioreaktor; Chlorella Vulgaris; CO2; Konsentrasi O2

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