Fly ash, solid waste from coal-fired power plant, had been utilized as raw material for porous geopolymer by alkaline activation and addition of hydrogen peroxide (H2O2) blowing agent. Porous geopolymer had higher surface area and total pore volume compared to fly ash and geopolymer without blowing...

In the present study, fruits of Ceratonia siliqua L. (carobs) were used as an alternative low cost biosorbents to remove a cationic dye, methyl violet 2B (MV) which has broad applications in paints, textile and printing ink, from aqueous solutions. The untreated (CRM) and thermal treated carobs (CC)...