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Metilen biru merupakan zat warna yang digunakan dalam industri tekstil khususnya pewarnaan kain, namun memiliki dampak negatif terhadap lingkungan. Berbagai cara telah dilakukan untuk mengurangi bahkan menghilangkan polutan tersebut di lingkungan. Penelitian ini bertujuan untuk mengkaji kemampuan serbuk gergaji kayu jati sebagai adsorben zat warna metilen biru. Serbuk gergaji kayu jati selama ini sebagai limbah yang hanya dibakar dari belum dimanfaatkan secara baik dapat dijadikan adsorben untuk adsorpsi metilen biru. Penelitian menggunakan metode adsorpsi ini menggunakan adsorben berukuran 80 mesh. Hasil penelitian menunjukkan bahwa adsorpsi metilen biru terjadi secara optimal pada pH 6 dengan persentase adsorpsi sebesar 99,26% dan waktu kontak optimum selama 30 menit adsorpsi dengan persentase adsorpsi sebesar 99,4% dan kapasitas adsorpsi 2,045 mg g-1
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