Mine Sustainability Modeling Group (MSMG) 'SimaPro' CSV Optimizer.
MSMGOptimizer 
Overview
MSMGOptimizer is an R package that transforms raw Life Cycle Inventory (LCI) data from Excel into a fully compatible CSV format for seamless import into SimaPro — one of the world’s leading Life Cycle Assessment (LCA) software platforms.
Developed as part of the NSF-funded project:
ECO-CBET: GOALI: CAS-Climate: Expediting Decarbonization of the Cement Industry through Integration of CO2 Capture and Conversion (NSF Project No. 2219086)
Installation
Option 1 — Install from CRAN (recommended)
install.packages("MSMGOptimizer")
Option 2 — Install from GitHub (development version)
# install.packages("remotes")
remotes::install_github("Duah-Philip/MSMGOptimizer")
Option 3 — Run directly without installing
shiny::runGitHub(
repo = "MSMGOptimizer",
username = "Duah-Philip",
ref = "master",
subdir = "inst/shiny"
)
Usage
library(MSMGOptimizer)
# Launch the Shiny application
ShinyMSMGOptimizer()
Features
- 📂 Upload
.xlsxor.xlsExcel LCI files - ⚙ Automatically converts all worksheets to SimaPro CSV format
- 📦 Downloads all converted files as a single ZIP archive
- 👁 Live sheet preview before conversion
- 🔄 Supports all SimaPro exchange types:
- Materials/Fuels, Resources, Emissions to Air/Water/Soil
- Final Waste Flows, Social Issues, Economic Issues
- Waste to Treatment
Excel File Format
Your Excel file must follow this structure:
| Row | Column A | Column B | Column C | Column D | Column E+ |
|---|---|---|---|---|---|
| 1 | Process Name | ||||
| 2 | Unit | ||||
| 3 | Amount | ||||
| 4 | |||||
| 5 | Comment | ||||
| 6 | Category | ||||
| 7+ | Type | Name | Unit | Value |
Exchange type codes for Column A:
| Code | Exchange Type |
|---|---|
| (blank) | Materials/Fuels |
Raw | Resources |
Air | Emissions to Air |
Water | Emissions to Water |
Soil | Emissions to Soil |
Waste | Final Waste Flows |
Social | Social Issues |
Economic | Economic Issues |
Wastetotreatment | Waste to Treatment |
Acknowledgments
Inspired by the original Python-based SimaPro CSV converter developed by Professor Massimo Pizzol.
Citation
If you use MSMGOptimizer in your research, please cite:
Duah, P. & Awuah-Offei, K. (2025). MSMGOptimizer: MSMG SimaPro CSV Optimizer.
R package version 0.1.0.
https://github.com/Duah-Philip/MSMGOptimizer
Contact
Philip Duah
Missouri University of Science & Technology
📧 [email protected].