Review on the progress in emission control technologies for the abatement of CO2, SOx and NOx from fuel combustion

U Asghar, S Rafiq, A Anwar, T Iqbal, A Ahmed… - Journal of …, 2021 - Elsevier
Extensive research has been conducted on controlling carbon dioxide (CO 2), sulfur oxides
(SO x), and nitrogen oxides (NO x) emissions in recent years with increasing environmental …

Separation of vanadium, tungsten and molybdenum from spent SCR catalysts solution by solvent extraction with primary amine N1923

H Xiao, L Chen, Z Qin, R Yin, D Weng, Z Wang… - Waste Management, 2022 - Elsevier
The large accumulation of spent selective catalytic reduction (SCR) catalysts cause waste of
resources and environmental pollution. In this study, an efficient method is proposed to …

Sustainable solution to the recycling of spent SCR catalyst and its prospective gas sensor application

ABC Sola, KS Pasupuleti, JH Jeon, T Thenepalli… - Materials Today …, 2024 - Elsevier
Nitrogen oxides (NO X) are often produced in industrial combustion processes and are
among the most harmful air contaminants. Selective catalytic reduction (SCR) is currently the …

Environmental friendly approach for selective extraction and recovery of molybdenum (Mo) from a sulphate mediated spent Ni–Mo/Al2O3 catalyst baked leach liquor

PK Parhi, PK Misra - Journal of Environmental Management, 2022 - Elsevier
Solvent extraction separation of molybdenum (Mo) from the sulphate mediated leach
solution bearing Aluminium (Al) and Nickel (Ni) was carried out using N-Methyl-N, N, N-tri …

A review on the metallurgical recycling process of vanadium from secondary resources

K Kurniawan, S Kim, M Bae, H Lee… - Mineral Processing and …, 2024 - Taylor & Francis
Vanadium is a critical metal that has been widely used in a broad variety of applications with
almost no metal substitutes. However, the limited availability of its (vanadium) primary …

Separation of vanadium and iron from the steelmaking slag convertor using Aliquat 336 and D2EHPA: Effect of the aqueous species and the extractant type

S Shakibania, A Mahmoudi, M Mokmeli - Minerals Engineering, 2022 - Elsevier
In this study, a selective process for separation of vanadium and iron from the steelmaking
slag was proposed. The proposed process has a potential to be considered industrially due …

Environmentally friendly approach for sustainable recycling of spent SCR catalysts and Al alloy scrap to prepare TiAl 3 and low-Fe Al alloys

Y Zhang, Y Lei, W Ma, Y Ren, Q Chen, Z Huan - Green Chemistry, 2022 - pubs.rsc.org
With the rapid reduction in NOx emissions and the end of various Al alloy products' lives in
recent years, large amounts of spent SCR catalysts (SSCs) and Al alloy scrap (AAS) as …

Vanadium recovery by electrodialysis using polymer inclusion membranes

Z Qin, Y Wang, L Sun, Y Gu, Y Zhao, L Xia, Y Liu… - Journal of Hazardous …, 2022 - Elsevier
Industrial applications and environmental awareness recently prompted vanadium recovery
spell from secondary resources. In this work, a polymer inclusion membrane containing …

Hydrometallurgical investigation routed through microwave (MW) assisted leaching and solvent extraction using ionic liquids for extraction and recovery of …

PK Parhi, PK Misra - Inorganic Chemistry Communications, 2023 - Elsevier
The integrated hydrometallurgical approach routed through Microwave (MW) assisted
leaching-cum-solvent extraction-precipitation for recovery of MoO 3 from spent …

Solvometallurgical process for the recovery of tungsten from scheelite

M Orefice, VT Nguyen, S Raiguel… - Industrial & …, 2021 - ACS Publications
The industrial state-of-the-art processes to extract tungsten from scheelite (CaWO4) require
high pressures and temperatures. These flowsheets consume a large excess of chemicals …