Preparation of Activated Carbon with Large Specific Surface Area from Reed Black Liquor

Abstract

Activated carbon with large specific surface area and well-developed porosity was prepared from pyrolysis of K2CO3-impregnated lignin precipitated from reed pulp black liquors. The impregnation ratio was 1:1. The effect of activation temperature upon the Brunauer-Emmett-Teller (BET) specific surface area and pore volume of the carbon was closely investigated. Increasing activation temperature led to an opening and widening of the porous structure below 800'C. Above 800'C, the excess widening of pore led to the decrease of BET surface area and micropore volume. The BET surface area and pore volume of the carbon activated at 800 degrees C were 1395 m(2) g(-1) and 0.7702 ml g(-1) , respectively. The potential application of the carbon activated at 800 degrees C for removal of Cr (VI) was also investigated. The experimental results showed that it had good adsorption capacity.

Characteristics of gas and char generation study from reed black liquor particles (RBLP) pyrolysis in fluidized bed

“…The combined effect of ultrasound and polyferric sulfate on the RBL has also been researched [31]. Moreover, the reuse from RBL has also been studied [32][33][34]. However, little work has been published on the pyrolysis of RBL in fluidized bed.…”

A simple coupled ANNs‐RSM approach in modeling product distribution of Fischer‐Tropsch synthesis using a microchannel reactor with Ru‐promoted Co/Al 2 O 3 catalyst

“…32 The microstructure morphology of the prepared sample was characterized by the field emission scanning electron morphology (FESEM JSM-7001F JEOL) technique. The operational conditions were kept as the following: Co Kα radiation, scanning rate = 3 deg .min −1 .…”

NH4Cl selective leaching of basic oxygen furnace slag: Optimization study using response surface methodology

“…As a result, large amount of this type of SL ends up in being stockpiled or landfilled [4], which also creates potential environmental hazards to underground water [5]. From cascade utilization of energy and recycling of material perspective [6,7], such abundant industrial solid waste needs to be efficiently utilized and converted to other value-added products [8]. To date, a few promising approaches for high-value conversion of SL have been proposed and started to attract attentions.…”