Title: Supporting Data and Supplementary Material for the Cumulative Dissertation: "Mechanistic Insights and Process-Level Optimization and Upscaling of Novel Reagents in Flotation: Colloidal Silica as a Calcite Depressant in the Froth Flotation of Semi-Soluble Salt-Type Minerals" Author: Borhane Ben Said – Helmholtz-Institut Freiberg für Ressourcentechnologie, TU Clausthal ORCID: 0000-0002-1976-3417 Contact: b.ben-said@hzdr.de Date of Deposit: August 2025 Related Publications: Publication 1: Nanoparticle depressants in froth flotation – The effect of colloidal silica with different size and surface modifications on the selective separation of semi-soluble salt type minerals (Colloids and Surfaces A, 2024) Publication 2: Upscaling and optimization of reagents systems in froth flotation: A DoE and numerical-optimization-based methodology (Minerals Engineering, 2025) Publication 3: From Pulp to Froth: Decoding the Role of Nanoparticle Colloidal Silica in Scheelite Flotation as a Calcite Depressant (Minerals, 2025) 1. Overview This repository contains datasets, supplementary materials, and related documents supporting the experiments, analyses, and findings presented in the cumulative PhD thesis. 2. Folder Structure Publications ¦ +-- Publication 1 ¦ +-- 1-s2.0-S0927775724005582-main.pdf ¦ +-- Data ¦ +-- Batch flotation ¦ +-- Froth data ¦ +-- Microflotation ¦ +-- Zeta potential measurements ¦ +-- Publication 2 ¦ +-- 1-s2.0-S0892687525001360-main.pdf ¦ +-- Data ¦ +-- Batch flotation ¦ +-- Industrial tests ¦ +-- Microflotation ¦ +-- Mini-Pilot-Plant ¦ +-- Publication 3 +-- minerals-15-00834.pdf +-- Data +-- Atomic force microscopy +-- Dynamic froth analysis +-- Dynamic Surface Tension Measurements +-- Microflotation +-- PFM_RData +-- SOPAT-bubble-detection Additional Material ¦ +-- MT Bat-Ochir Battumur ¦ +-- MT Bat-Ochir Battumur.pdf ¦ +-- Microflotation ¦ +-- MT Muzammil Nazir ¦ +-- MT Muzammil Nazir.pdf ¦ +-- Batch Flotation ¦ +-- MT Stephen Kwegyr +-- MT Stephen Kwegyr.pdf +-- Batch flotation 3. File Formats .pdf – Publication and master's theses .xlsx / .csv – Experimental data tables. .jpg / .png – Images from SOPAT .RData – R data files. 4. Data Use The dataset may be used for verification of results or further analysis. Please cite the dataset and associated publications.