Fig. 3From: A bionic system with Fenton reaction and bacteria as a model for bioprocessing lignocellulosic biomassSEM images of the untreated and pretreated RS. a The untreated RS had a regular and intact morphology. b After Fenton pretreatment, the compact surface of RS was completely broken and formed a lot of mesh gullies. c After B-8 pretreatment, RS appeared a loose lamellar structureBack to article page