In Situ Recovery and In Situ Leaching of Selected Critical and Strategic Metals: A Critical Review of Geological Preconditions, Reactive Transport, Process Engineering, Environmental Risk, and Scale-Up (2015–2026)

Antonio Clareti Pereira, PhD* PhD in Chemical Engineering, Federal University of Minas Gerais (UFMG), Belo Horizonte, Minas Gerais, Brazil DOI: 10.5281/zenodo.22904358 In situ recovery (ISR), also termed in situ leaching (ISL), is increasingly considered a low-disturbance alternative to conventional mining. Read More …

From Lime Scrubbing to Magnesium Bisulfite Circulation: A Critical Review of SO₂ Capture, Sulfite Recovery, and Process Intensification

Antonio Clareti Pereira, PhD* PhD in Chemical Engineering University of São Paulo (USP) Belo Horizonte, Minas Gerais, Brazil DOI: 10.5281/zenodo.22681179 Wet flue-gas desulfurization remains one of the most mature routes for controlling sulfur dioxide, yet conventional calcium-based systems deliberately combine Read More …

Relative Energy Deficiency in Sport (RED-S) Risk Indicators and Cardiovascular Responses to HIIT Under Heat Conditions in Female Basketball Players

Alaa Abdul Hussein Abdul Razzaq Yousif * Dhi Qar General Directorate of Education / Qalat Sukkar District / Ibn Khaldun Intermediate School for Boys DOI: 10.5281/zenodo.22678824 This study aimed to identify differences in hemodynamic responses, blood pressure, cardiac recovery, and Read More …

The Secret Ingredient to Thriving Under Pressure: Psychological Capital, Organizational Dehumanization and Workplace Attachment in Hospitality Industry

Adaobi Eze* Department of Psychology Enugu State University of Science and Technology DOI: 10.5281/zenodo.22677449 Waitstaff represent a critical yet vulnerable workforce, often subject to conditions that can foster a sense of being objectified or instrumentalized. Drawing on Conservation of Resources Read More …

Integrated Process Routes for Spent Pot Lining Valorization: From Hazard Detoxification to Closed-Loop Recovery of Fluorides, Carbon, and Refractories

Antonio Clareti Pereira, PhD PhD in Chemical Engineering University of São Paulo (USP) Belo Horizonte, Minas Gerais, Brazil DOI: 10.5281/zenodo.22136771 Spent pot lining (SPL) is simultaneously a hazardous residue and a heterogeneous secondary resource containing carbon, fluoride-bearing electrolyte, sodium, aluminum, Read More …

They Know We Are Here: Analysis of Planet-Earth Electromagnetic Emissions

Jorge Torres-Zorrilla, Ph.D* Retiree Professor from Pontificia Universidad Catolica del Peru DOI: 10.5281/zenodo.19338481 There is a new phenomenon in human history: we may be achieving a historic maximum total of wave emissions from our planet Earth to the outer space Read More …

The Importance of Pedagogic Grammar in Understanding the Relationship Between Form and Meaning

Sonia Abdulfattah Ibrahim Shehadeh* & Dina Wail Awad *Department of Administrative and Financial Sciences, Palestine Technical University Kadoorie, Ramallah Branch – Palestine DOI: 10.5281/zenodo.18438680 This study explores the importance of pedagogic grammar in understanding the relationship between form and meaning Read More …

Protecting Privacy in the Digital World: A Multidimensional Analysis of Challenges, Frameworks, and Strategies

Mohammed Ahmed Abdullah Al-Anzi* Prince Sattam bin Abdulaziz University DOI: 10.5281/zenodo.18392452 This research paper provides a comprehensive examination of digital privacy protection in an era characterized by pervasive internet usage, rapid technological advancement, and escalating cyber threats. Employing a mixed-methods Read More …

Nigerian Market Medium Density Fibre Board (MDF) Engineered Wood Bending Modulus Appraisal for Viable Economic Development

Chimaobi Chinedu Okoye, Chukwudi Paulinus Ilo* & Nnaemeka S. P. Obuka Department of Mechanical and Production Engineering, Enugu State University of Science and Technology, P.M.B. 01660, Enugu, Nigeria DOI: 10.5281/zenodo.18388839 To make available to stakeholders the requisite technical knowledge to Read More …