Effect of nano zero-valent iron (nZVI) on biohydrogen production in anaerobic fermentation of oil palm frond juice using Clostridium butyricum JKT37

Shalini Narayanan Arisht, Rozieffa Roslan, Goh Ann Gie, Safa Senan Mahmod, Mohd Shaiful Sajab, Chyi–How Lay, Shu‐Yii Wu, Gongtao Ding, Nur Syakina Jamali, Jamaliah Md Jahim, Peer Mohamed Abdul