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Abstract
Methyl cellulose as organic binder and bentonite as clay binder were simultaneously used to prepare activated carbon monolith (ACM) using powder activated carbon (PAC) and by means of extrusion process. To study the effects of PAC particle size on porosity, adsorption, and mechanical properties of the ACMs, four broad types of PAC including powder with particle size less than 150, 90, 50 µm, and powder without screening were prepared and used. Actually, it was tried to improve the adsorption capacity, surface area, and mechanical strength (both compression and impact strength) of the ACMs by screening the PAC microparticles to certain particle sizes. The results showed that arranging and decreasing the PAC particle size significantly improved the above-mentioned properties.