Permisahan magnetik mikroalga bercampuran dari air kolam ternakan ikan dengan meggunakan LGMS telah dicapai dalam masa nyata. Faktor-faktor seperti berat molekul polielektrolit (0 – 500000 MW), kepekatan silica (0 – 1000 mg/L) dan asid humik (0 – 300 mg/L) yang menyumbang kepada permisahan magnetik telah dikaji dan dipapar dalam kerja ini. Prestasi permisahan alga ˃80% dan masa permisahan ˂ 2 minute telah dicapai dengan menggunakan 200 mg/L IONPs yang difungsikan oleh vl-PDDA. Prestasi permisahan alga masih lebih daripada 75% selepas percampuran 1000 mg/L silica dan 50 mg/L asid humik.
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Magnetic separation of mix strain microalgae from fish pond water facilitated by LGMS is achieved in real time. Different factors such as molecular weight of polyelectrolyte (0 – 500000), silica (0 – 1000 mg/L) and humic acid (0 – 300 mg/L) concentration which contribute to the magnetic separation are studied and present in this work. Microalgae separation efficiency ˃80% and separation time ˂ 2 minute was obtained by using 200 mg/L IONPs functionalized by vl-PDDA. The microalgae separation efficiency remains ˃ 75% after the employment of 1000 mg/L of silica nanoparticles and 50 mg/L of humic acid.
Kinetic of low gradient magnetic separation of mix strain microalgae from fish pond water / Lee Zhi Hern