Sistem Mitigasi Emisi CO2 pada Ruangan Menggunakan fotobioreaktor Mikroalga Berbasis Sensor MQ-135
DOI:
https://doi.org/10.25077/jfu.11.1.1-7.2022Abstract
Telah dilakukan perancangan sistem mitigasi emisi CO2 pada ruangan menggunakan fotobioreaktor mikroalga berbasis sensor MQ-135 untuk menghasilkan sistem yang dapat mereduksi emisi CO2 pada ruangan. Sistem dilengkapi dengan pengontrol suhu pada fotobioreaktor mikroalga dengan sensor LM35 dan sistem pendeteksi emisi CO2 dengan sensor MQ-135. Fotobioreaktor terdiri dari 2 tabung yang berisi 1000 ml mikroalga Chlorella vulgaris. Pengontrolan temperatur berhasil mempertahankan suhu pada (23–30) ℃. Konsentrasi emisi CO2 setelah fotobioreaktor menggunakan variasi sumber cahaya berupa cahaya matahari, LED biru, LED merah, LED hijau, dan tanpa cahaya. Hasil dari penelitian ini menujukkan bahwa fotobioreaktor mikroalga yang menggunakan LED berwarna biru sebagai sumber cahaya lebih berperan aktif dalam meningkatkan kemampuan mikroalga untuk mereduksi emisi CO2 dibandingkan sumber cahaya lainnya. Sensor MQ-135 dan Sensor LM-35 yang telah dikarakterisasi dapat mengukur konsentrasi CO2 dan suhu dengan persentase kesalahan masing-masing 1,94 % dan 0,58 %. Hasil ini mengindikasikan bahwa Sensor MQ-135 dan Sensor LM-35 dapat berfungsi dengan baik sebagai sebagai sistem pendeteksi emisi CO2 dan pengontrol suhu.
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