Efficient simultaneous removal of cadmium and arsenic in aqueous solution by titanium-modified ultrasonic biochar

M Luo, H Lin, Y He, B Li, Y Dong, L Wang - Bioresource technology, 2019 - Elsevier
Simultaneous removal of cations and anions in wastewater has always been a great
concerned environmental problem. In this study, a friendly and inexpensive biosorbent to …

Pb (II) sorption by biochar derived from Cinnamomum camphora and its improvement with ultrasound-assisted alkali activation

C Wang, H Wang, Y Cao - Colloids and Surfaces A: Physicochemical and …, 2018 - Elsevier
Conversion of solid wastes into biochar for removal of toxic heavy metals provides a cleaner
method for waste management and benefits environmental protection. Ultrasound-assisted …

Modified chicken manure biochar enhanced the adsorption for Cd2+ in aqueous and immobilization of Cd in contaminated agricultural soil

L Sun, P Gong, Y Sun, Q Qin, K Song, J Ye… - Science of The Total …, 2022 - Elsevier
Biochar is thought to be good sorbent for heavy metal and exploring ways to increase the
efficiency of heavy metal adsorption by biochar is of great importance. Chicken manure …

Removal of cadmium in aqueous solution using wheat straw biochar: effect of minerals and mechanism

L Liu, S Fan - Environmental science and pollution research, 2018 - Springer
The biochars were produced from wheat straw (WSBC) at different pyrolytic temperatures.
Biochars were characterized by multiple instrumental techniques and were applied to …

Enhanced adsorption of Pb (II) onto modified hydrochar: Modeling and mechanism analysis

Y Xia, T Yang, N Zhu, D Li, Z Chen, Q Lang, Z Liu… - Bioresource …, 2019 - Elsevier
A highly efficient modified hydrochar material by H 2 O 2 and ultrasonic synergistic treatment
was prepared for Pb 2+ removal in aqueous solution. The removal mechanism was …

Biochar from extracted marine Chlorella sp. residue for high efficiency adsorption with ultrasonication to remove Cr (VI), Zn (II) and Ni (II)

M Amin, P Chetpattananondh - Bioresource technology, 2019 - Elsevier
The biochar BC-450 derived from the extracted marine Chlorella sp. residue (EMCR) had
high surface area (266 m 2/g) and was rich in ash and O-functional groups. Its …

High-efficiency removal capacities and quantitative adsorption mechanisms of Cd2+ by thermally modified biochars derived from different feedstocks

H Wang, F Huang, ZL Zhao, RR Wu, WX Xu, P Wang… - Chemosphere, 2021 - Elsevier
Adsorption characteristics of Cd 2+ on the three biochars modified by pyrolysis and
calcination were investigated that were derived from rice straw (TRSB), chicken manure …

Copper (II) ion removal by chemically and physically modified sawdust biochar

A Eleryan, UO Aigbe, KE Ukhurebor… - Biomass Conversion …, 2024 - Springer
The difference between physical activations (by sonications) and chemical activations (by
ammonia) on sawdust biochar has been investigated in this study by comparing the removal …

Adsorption of copper (II) by using derived-farmyard and poultry manure biochars: Efficiency and mechanism

S Batool, M Idrees, Q Hussain, J Kong - Chemical Physics Letters, 2017 - Elsevier
Biochar (BC) has recently become an attractive adsorbent for the removal of toxic metals
from aqueous media. In this study, the adsorption efficiency of BCs derived through farmyard …

Novel thiol-grafted composite of chitosan and rice straw biochar (TH@ CT-BC): A two-step fabrication for highly selective adsorption of cadmium from contaminated …

Y Hamid, L Liu, M Haris, M Usman, Q Lin… - Journal of …, 2023 - Elsevier
This study followed the one-step and two-step technologies to produce rice straw biochar
(BC), chitosan-modified rice straw biochar (CT-BC), and thiol grafted chitosan-modified …