Faderera Funmilola IHOGBETIN*, John Adebisi OLATUNJI, Sunday Abiodun BABALOLA & Abejide Olawale ALHASSAN IKR J. Eng. Technol. | Page: 23-31 DOI: 10.5281/zenodo.24104135 Clay soils pose significant challenges in geotechnical engineering due to their complex behaviour, which is very sensitive to Read More …
Category: IKR Journal of Engineering and Technology (IKRJET)
From Spent NiMo Catalysts to Marketable Metal Products: A Critical Review of Recovery Selectivity, Process Integration, Mass Balances, and Industrial Feasibility
Antonio Clareti Pereira, Ph.D.* IKR J. Eng. Technol. | Page: 1-22 DOI: 10.5281/zenodo.24015599 Spent nickel–molybdenum (NiMo) hydroprocessing catalysts combine recoverable strategic metals with complex alumina supports, deposited carbon, sulfur, residual hydrocarbons, and feed-dependent contaminants. This critical review evaluates pathways from Read More …
Deep Eutectic Solvents: Physicochemical Fundamentals, Extraction Mechanisms, and Industrial Perspectives
Antonio Clareti Pereira, PhD* PhD in Chemical Engineering, University of São Paulo (USP), Belo Horizonte, Minas Gerais, Brazil DOI: 10.5281/zenodo.23553813 Deep eutectic solvents (DESs) are composition-sensitive liquid mixtures investigated for metal recovery, electrodeposition, biomass processing, catalysis, and carbon dioxide capture. Read More …
Using the Common-Ion Effect Correctly in Hydrometallurgical Processing: Opportunities, Misinterpretations, and Process-Design Rules
Antonio Clareti Pereira, Ph.D.* IKR J. Eng. Technol. | Page: 73-93 DOI: 10.5281/zenodo.23359117 The common-ion effect is routinely invoked to explain changes in dissolution, precipitation, and crystallization, yet hydrometallurgical liquors rarely behave as the dilute, ideal solutions used to introduce Read More …
Advancing Circular Economy in Construction: Recycling and Reusing Construction Waste and Demolition Waste for Sustainable Building Development
Ahmed Adeleye SALAMI*, Steve JAYEOBA, Adedamola Ibukunoluwa ADENIJI, Oluyemi Emmanuel BABATUNDE & Timothy AMUSAN IKR J. Eng. Technol. | Page: 65-72 DOI: 10.5281/zenodo.23357506 The construction industry is one of the largest consumers of natural resources and generators of solid waste Read More …
Assessment of Multi-Scale Performance Modelling of Plastic Recycled Bricks
Ahmed Adeleye SALAMI*, Steve JAYEOBA, Adedamola Ibukunoluwa ADENIJI, Oluyemi Emmanuel BABATUNDE & Timothy AMUSAN IKR J. Eng. Technol. | Page: 57-64 DOI: 10.5281/zenodo.23356661 Plastic recycle bricks (PBS) is a product of the mixture of polyethylene (PE) and polypropylene (PP) waste Read More …
Assessing the Use of Interior Finishing Materials in Residential Architecture and Their Effect on User Comfort in Urban Nigeria
Olanrewaju Samuel Jacob*, Steve Jayeoba & Adeniji Adedamola Ibukunoluwa Department of Architecture, Lead City University, Ibadan DOI: 10.5281/zenodo.23253050 Interior finishing materials play an important role in shaping the comfort, environmental quality, and user experience of residential buildings. This study assesses Read More …
Aqua Regia in Metal Processing: A Critical Review of Reaction Mechanisms, Selectivity, and Industrial Applicability
Antonio Clareti Pereira, PhD* IKR J. Eng. Technol. | Page: 43-56 DOI: 10.5281/zenodo.23176166 Aqua regia remains one of the most chemically powerful liquid-phase systems for dissolving gold and platinum-group metals, yet its industrial value is frequently overstated when dissolution yield Read More …
When Is Wet Mineral Agglomeration Truly Scaled Up? A Critical Review from Bench Tumbling Tests to Industrial Drums and Granulators
Antonio Clareti Pereira, PhD* IKR J. Eng. Technol. | Page: 19-42 DOI: 10.5281/zenodo.22803506 Wet mineral agglomeration is routinely described as “scaled up” when a larger drum, disc, or granulator reproduces an acceptable mean granule size, or when laboratory conditions are Read More …
Evaluating the Performance of an IoT-Based Smart Video Surveillance System in a Nigerian Polytechnic: A Case Study of Kwara State Polytechnic, Ilorin
Olatunji Ahmed Lawal*, A. O. Adebayo, Ahmed Kazeem & M. Z. Oba IKR J. Eng. Technol. | Page: 13-18 DOI: 10.5281/zenodo.22728840 The proliferation of IoT-enabled surveillance systems presents new opportunities for enhanced campus security in Sub-Saharan Africa, where power reliability Read More …
