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ORE at CSIR-Institute of Minerals and Materials Technology: Recent submissions

Now showing items 711-720 of 3735

ASSESSMENT OF A NIGERIAN CHALCOPYRITE ORE DISSOLUTION IN SULFURIC ACID MEDIUM

Ayinla, K.I.; Baba, A.A.; Akanji, F.T.; Ambo, A.I.; Adekola, F.A. (Bulletin of the Chemical Society of Ethiopia, 36(1), 2022: 187-196)

This paper presents a study of dissolution kinetics of a Nigerian chalcopyrite ore in sulfuric acid lixiviant. The effects of acid concentration, temperature and particle diameter on the dissolution rates of chalcopyrite ...
Effect of mixture of a non-ionic and a cationic surfactant for preparation of stabilized high concentration coal water slurry

Routray, A.; Senapati, P.K.; Padhy, M.; Das, D.; Mohapatra, R.K. (International Journal of Coal Preparation and Utilization, 42(3), 2022: 925-940)

The rheological behavior of high ash Indian coal samples was investigated by blending fines (<38??m) with four distinct coarse fractions (212?300??m, 90?300??m, 150?212??m,75?150??m). The blended four representative samples ...
Structural stability and thermal expansion of TiTaNbMoZr refractory high entropy alloy

Behera, M.; Panigrahi, A.; Bonisch, M.; Shankar, G.; Mishra, P.K. (Journal of Alloys and Compounds, 892, 2022: 162154)

A near-equiatomic TiTaNbMoZr refractory high entropy alloy (RHEA) was prepared by vacuum arc melting. It consists of two BCC solid solution phases (predominant and minor phase are named as B-major and B minor, respectively) ...
Bio-surfactant mediated synthesis of Au/g-C3N4 plasmonic hybrid nanocomposite for enhanced photocatalytic reduction of mono-nitrophenols

Devi, A.P.; Padhi, D.K.; Mishra, P.M.; Behera, A.K. (Journal of Industrial and Engineering Chemistry, 108, 2022: 118-129)

A bio-surfactant assisted synthesis route has demonstrated in room temperature for decoration of gold nanoparticles (AuNPs) on g-C3N4 usingAverrhoa carambola leaf extract towards mono-nitrophenol reduc-tion under visible ...
Molecular interaction of benzo-a-pyrene inhibits the catalytic activity of catalase: Insights from biophysical and computational studies

Jena, A.B.; Rath, S.; Subudhi, U.; Dandapat, J. (Journal of Molecular Structure, 1265, 2022: 133494)

Benzo-a-pyrene (BaP) is a polycyclic aromatic hydrocarbon, which alters the redox balance and results into oxidative stress. Among antioxidant enzymes, catalase plays a vital role in neutralizing the harmful effects of ...
Constructed wetlands for drained wastewater treatment and sludge stabilization: Role of plants, microbial fuel cell and earthworm assistance

Saeed, T.; Majed, N.; Yadav, A.K.; Hasan, A.; Miah, M.J. (Chemical Engineering Journal, 430, 2022: 132907)

This study reports drained wastewater treatment and sludge stabilization performance of an unplanted system and four Phragmites plant-based sludge treatment wetlands (without or with earthworm assistance and microbial fuel ...
Towering non-Faradaic capacitive storage based on high quality reduced graphene oxide from spent graphite: Direct approach and waste utilization

Perumal, P.; Mohapatra, M.; Mukherjee, A.; Basu, S.; Andersen, S.M. (Journal of Energy Storage, 52, 2022: 104989)

Urban mining of graphite for higher value addition is considered to be a leading requirement for both the economic and environmental benefits. Herein, we adopted a scalable and novel synthetic approach using modified Hummers ...
Carbon-Based Sorbents for Hydrogen Storage: Challenges and Sustainability at Operating Conditions for Renewable Energy

Rimza, T.; Saha, S.; Dhand, C.; Dwivedi, N.; Patel, S.S.; Singh, S.; Kumar, P. (Chemsuschem, 15(11), 2022: e202200281)

It is estimated that all fossil fuels will be depleted by 2060 if we continue to use them at the present rate. Therefore, there is an unmet need for an alternative source of energy with high calorific value. In this regard, ...
Modelling and analysis of thermal conductivity of a hybrid polymer composite reinforced with particulate rice husk and particulate carbon fibre

Jena, D.; Das, A.K.; Mohapatra, R.C.; Das, S.K. (Journal of Thermal Analysis and Calorimetry, 147(14), 2022: 7761-7773)

This study investigates the effective thermal conductivity of a polymer composite reinforced with particulate rice husk (PRH) and particulate carbon fibre (PCF) developed by hand lay-up process. The thermal conductivity ...
Vision-based size classification of iron ore pellets using ensembled convolutional neural network

Deo, A.J.; Sahoo, A.; Behera, S.K.; Das, D.P. (Neural Computing and Applications, 34(21), 2022: 18629-18641)

In an iron ore pelletization plant, pellets are produced inside a rotating disc pelletizer. Online pellet size distribution is an important performance indicator of the pelletization process. Image processing-based system ...

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