Study of the modification mechanism of heavy metal ions adsorbed by biomass-activated carbon doped with a solid nitrogen source

W Zheng, S Chen, H Liu, Y Ma, W Xu - RSC advances, 2019 - pubs.rsc.org
In this study, the N-doping of biomass-activated carbon with dicyandiamide was performed
via an ultrasonic method and a redox method. BET, SEM, EDS, FT-IR and XPS were used to …

Review on carbon-based adsorbents from organic feedstocks for removal of organic contaminants from oil and gas industry process water: Production, adsorption …

DCC da Silva Medeiros, P Chelme-Ayala… - Journal of …, 2022 - Elsevier
Large amounts of process water with considerable concentrations of recalcitrant organic
contaminants, such as polycyclic aromatic hydrocarbon (PAHs), phenolic compounds (PCs) …

Evaluation of removal efficiency of Ni (II) and 2, 4-DCP using in situ nitrogen-doped biochar modified with aquatic animal waste

W Yin, W Zhang, C Zhao, J Xu - Acs Omega, 2019 - ACS Publications
Currently, biochar (BC) has shown promising potential in groundwater and surface-water
remediation. In this work, Trapa natans husks based biochar (TBC) was prepared and …

Nitrate sorption to biochar following chemical oxidation

JR Sanford, RA Larson, T Runge - Science of the Total Environment, 2019 - Elsevier
Biochar amendments can reduce nitrate (NO 3) leaching in agricultural soil. It has been
hypothesized that functional groups on the biochar surface from oxidation can increase NO …

Production of demineralised high quality hierarchical activated carbon from lignite and determination of adsorption performance using methylene blue and p …

RC Oglou, Y Gokce, E Yagmur, Z Aktas - Journal of Environmental …, 2023 - Elsevier
In the adsorption process, the surface area, pore and particle size distribution and the
chemical structure of the solid and the type of adsorbent are of vital importance. Activated …

[PDF][PDF] Carbonaceous adsorbents for NH3 removal at room temperature

C Canals-Batlle, A Ros, MA Lillo-Ródenas, E Fuente… - Carbon, 2008 - academia.edu
The use of activated carbons (ACs) for environmental applications is widening as new
challenges emerge. In recent years, for example, particular attention has been focused on …

Chemical modification of carbonized wheat and barley straw using HNO3 and the adsorption of Cr (III)

R Chand, T Watari, K Inoue, HN Luitel, T Torikai… - Journal of Hazardous …, 2009 - Elsevier
The effects of oxidation using HNO3 on the properties of the carbonized wheat and barley
straw were investigated by measuring different properties such as specific surface area …

Nitrate-Nitrogen Adsorption Characteristics and Mechanisms of Various Garden Waste Biochars

J Yao, Z Wang, M Liu, B Bai, C Zhang - Materials, 2023 - mdpi.com
Nitrate-nitrogen (NO3−–N) removal and garden waste disposal are critical concerns in
urban environmental protection. In this study, biochars were produced by pyrolyzing various …

[图书][B] Factors affecting the removal of ammonia from air on carbonaceous materials: Investigation of reactive adsorption mechanism

C Petit - 2012 - books.google.com
Air pollution related to the release of industrial toxic gases, represents one of the main
concerns of our modern world owing to its detrimental effect on the environment. To tackle …

Adsorption-based CO removal: Principles and materials

F Feyzbar-Khalkhali-Nejad, E Hassani, A Rashti… - Journal of …, 2021 - Elsevier
Carbon monoxide is a feedstock used in the petrochemical industry for production of many
chemicals. These processes require separation or purification of CO. Adsorption is a cost …