Production, properties, and catalytic applications of sludge derived biochar for environmental remediation

R Wang, X Duan, S Wang, N Ren, SH Ho - Water Research, 2020 - Elsevier
Environment-friendly and cost-effective disposal and reutilization of sludge wastes are
essential in wastewater treatment processes (WWTPs). Converting activated sludge into …

Development of persulfate-based advanced oxidation processes to remove synthetic azo dyes from aqueous matrices

E Brillas, R Oliver - Chemosphere, 2024 - Elsevier
Azo dyes are largely used in many industries and discharged in large volumes of their
effluents into the aquatic environment giving rise to non-esthetic pollution and health-risk …

Nitrogen-doped biochar encapsulated Fe/Mn nanoparticles as cost-effective catalysts for heterogeneous activation of peroxymonosulfate towards the degradation of …

Z Zhang, H Ding, Y Li, J Yu, L Ding, Y Kong… - Separation and …, 2022 - Elsevier
Nitrogen-doped biochar encapsulating Fe/Mn nanoparticles (Fe/Mn@ NBC 800) was
synthesized as a cost-effective catalyst for activating peroxymonosulfate (PMS) towards the …

Emerging applications of sludge biochar-based catalysts for environmental remediation and energy storage: A review

MM Mian, N Alam, MS Ahommed, Z He, Y Ni - Journal of Cleaner …, 2022 - Elsevier
The discovery of carbon-based catalysts triggers a wealth of research towards metal-free
catalysis. Various low-cost and earth-abundant biomaterials have been investigated to …

Sludge activated carbon-based CoFe2O4-SAC nanocomposites used as heterogeneous catalysts for degrading antibiotic norfloxacin through activating …

Z Yang, Y Li, X Zhang, X Cui, S He, H Liang… - Chemical Engineering …, 2020 - Elsevier
In this study, the sludge activated carbon-based CoFe 2 O 4 (CoFe 2 O 4-SAC)
nanocomposites were prepared by a simple hydrothermal method, which were …

Magnetically driven superhydrophobic/superoleophilic graphene-based polyurethane sponge for highly efficient oil/water separation and demulsification

A Jamsaz, EK Goharshadi, A Barras, M Ifires… - Separation and …, 2021 - Elsevier
Cost-effective and efficient sorbents with emulsion-breaking capability, especially surfactant-
stabilized emulsions, are required to remediate oil spills from water. Herein, in situ growth of …

Oily sludge derived carbons as peroxymonosulfate activators for removing aqueous organic pollutants: Performances and the key role of carbonyl groups in electron …

W Liu, C Nie, W Li, Z Ao, S Wang, T An - Journal of Hazardous Materials, 2021 - Elsevier
In this work, low-cost carbon-based materials were developed via a facile one-pot pyrolysis
of oily sludge (OS) and used as catalysts to activate peroxymonosulfate (PMS) for removing …

Degradation of anthraquinone dye reactive blue 19 using persulfate activated with Fe/Mn modified biochar: Radical/non-radical mechanisms and fixed-bed reactor …

Y Qiu, Q Zhang, Z Wang, B Gao, Z Fan, M Li… - Science of the total …, 2021 - Elsevier
In this study, a heterogeneous activator was prepared via the Fe/Mn modification of sludge-
derived biochar (Fe/MnBC) to achieve high-efficiency activation of persulfate (PS) for …

Formation mechanism of persistent free radicals during pyrolysis of Fenton-conditioned sewage sludge: Influence of NOM and iron

Z Li, S Chen, L Liu, D Qian, M Yuan, J Yu, Z Chen… - Water Research, 2024 - Elsevier
The present study provided an innovative insight into the formation mechanism of persistent
free radicals (PFRs) during the pyrolysis of Fenton-conditioned sludge. Fenton conditioners …

Activation of peroxydisulfate by magnetically separable rGO/MnFe2O4 toward oxidation of tetracycline: efficiency, mechanism and degradation pathways

X Meng, Q He, T Song, M Ge, Z He, C Guo - Separation and Purification …, 2022 - Elsevier
Peroxydisulfate (PDS) activation by a novel magnetically recoverable reduced graphene
oxide (rGO)/MnFe 2 O 4 composite was studied for the removal of tetracycline (TC), a widely …