Lignite is the lowest rank coal which has less economic value. Corn cobs are solid waste biomass as a by-product of corn processing. The processing of these two materials can produce a product in the form of hybrid coal ...

This research presents a study for the silica leaching from peat clay in alkalic sodium hydroxide under microwave-heated condition. Microwave bases leaching was implemented using the Iwaki Pyrex glass reactor in a modified ...

Palm oil shell (POS) is a solid waste from the oil palm industry and can cause environmental problems. This waste could convert into high-quality products such as biochar, bio-oil, and biogas that follow reaction mechanisms ...