Technological advancements in cokemaking

A Agrawal - Mineral Processing and Extractive Metallurgy Review, 2024 - Taylor & Francis
Coke is the only raw material that descends into the lower part of the blast furnace (BF) in its
original form; therefore, it is of utmost importance to improve the coke properties for its use in …

Use of Additives as Internal Heat Sources in Hematite Ore Pellets-A Review

A Ayyandurai, J Pal - Mineral Processing and Extractive Metallurgy …, 2024 - Taylor & Francis
Magnetite ore pellets oxidize to hematite during their induration in a mild oxidizing
atmosphere of strand which produces internal heat in the pellet and enhances diffusion …

Modelling the Gieseler fluidity of coking coals modified by multicomponent plastic wastes

F Gayo, R García, MA Diez - Fuel, 2016 - Elsevier
A novel method for predicting the Gieseler maximum fluidity (F max) of a coal+ plastic
mixture formed from a relative proportion of the plastics present in a multicomponent waste …

Use of organic polymers for improvement of coking potential of poor coking coal

D Nag, S Karmakar, L Burgula, J Dash… - … Journal of Coal …, 2020 - Taylor & Francis
As the reserve of prime coking coal is low, there is a good amount of research going on
worldwide to improve the coking potential of non-coking coal. Researchers have revealed …

Use of phenolic resin in coke making at Tata Steel

D Nag, B Das, PS Dash, S Sen, S Paul… - Ironmaking & …, 2017 - journals.sagepub.com
Quality of coke is very much important for blast furnace productivity. Phenol-formaldehyde
resin can be used as an additive in small quantity in the coal blend for improvement of coke …

A Molecular Level Interpretation of the Underlying Chemical Phenomenon of Semi‐coke and Coke Formation: A Treatise from Ab Initio Calculations

K Sen, T Debnath, S Ghorai, D Nag… - ChemistrySelect, 2022 - Wiley Online Library
Chemistry of coke formation has been subject to a wide array of experimental investigations
since the advent of industrial coal carbonization process. Roles of different additives in …

Improvement of bulk density of coal charge by using surface active reagent

D Nag, SM Nimje, S Maji, S Roy… - Metallurgical …, 2024 - metallurgical-research.org
Coal charge bulk density is an important parameter for throughput and coke quality
improvement. Surface active agents are used to improve the cohesions between the coal …

Prediction of carbonisation time in byproduct recovery coke ovens through gooseneck temperature measurement

SV Vasudharini, PS Dash… - Ironmaking & …, 2019 - journals.sagepub.com
Precise prediction of the end of carbonisation possesses intangible benefits in the coke
making process. The coke ovens in Tata Steel measure the raw gas temperature (at the …

Evaluation of Indian non-coking and semi-coking coals for metallurgical application

R Singh, D Nag, S Bhattacharya, PS Dash… - … Journal of Coal …, 2023 - Taylor & Francis
India has a huge reserve of coal belonging to Permian Period. 85% of these coals fall under
non-coking category and are being used for power generation. Looking at the depletion of …

Deciphering the Differential Influence of Organic Additives on Coal Fluidity Development: A First-Principles Investigation

K Sen, T Debnath, S Ghorai, D Nag, PS Dash - Energy & Fuels, 2021 - ACS Publications
Formation of high-quality coke is essentially controlled by the development of the extended
stability of the coal fluid phase during industrial carbonization processes. Stabilization of …