Technology: general issues 2 adsorbent adsorption 2 3D graphene 1 3YTZP 1 CO2 emission 1 CVD 1 Chemical engineering 1 HTC 1 Raman spectroscopy 1 SPS 1 Salix carboniferous solid acid catalysts 1 Sida hermaphrodita L. Rusby 1 TiO2-BCN heterostructures 1 Vickers indentations 1 X-ray photoelectron spectroscopy 1 ZnO 1 activated carbon 1 adsorbability 1 advanced oxidation 1 anionic exchange 1 application depth 1 arc-discharge plasma 1 artemisia selengensis 1 aspen plus 1 bark 1 bio-fuel 1 biocarbon 1 biochar 1 biochar preparation 1