Because the method does not assume any sequestration agent for sulfate in the sample, we concluded that the sulfate portion of the method is applicable for biochar.
Biochar produced at 450 and 520 °C showed potential application as an adsorbent, a catalyst support and a carbon sequestration agent.
Its many functional properties allow a wide range of applications such as hard tissue analogues, catalysts, liquid-chromatographic columns, chemical sensors, and it has become a promising candidate as a heavy metal sequestration agent in wastewater treatment.
Recently, biochar has garnered much attention due to its potential usage as a soil amendment, carbon sequestration agent, and as an inexpensive analog to activated carbon for wastewater treatment (Mohan et al. 2014; Sohi et al. 2010; Regmi et al. 2012; Lee et al. 2013; Lee and Day 2013).
The much weaker bonding of Zn2+ [ 58] to this isoform, however, does not prevent the peptide from functioning as a most effective Cd2+ sequestration agent.
Two of us (Day and Lee) co-initiated this technology concept with biochar as a soil amendment and carbon sequestration agent first in 2002 through a provisional US patent application followed by a PCT application (Day and Lee 2004).
Therefore, an ideally designed biochar for use as both a soil amendment and carbon sequestration agent would need to intelligently enhance the O C ratio only on the surface of biochar, giving a higher CEC, while still maintaining the poly-aromaticity (preferably lower O C ratio) of the biochar hard core for long-term stability.
In this paper, we report the results of a biochar characterization study performed at ORNL using biochar materials produced from peanut hulls and pine wood under various different pyrolysis conditions as part of the efforts to develop better biochar materials for potential application as a soil amendment and carbon sequestration agent.
Biochar, a by-product of thermochemical processes, has been evaluated as a potential soil ameliorant and C sequestration agent.
The carbonation performance of this katoite-rich sequestration agent was evaluated using two different methods, by bubbling in aqueous media and by weathering.
