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Communications in Science and TechnologyCommunications in Science and Technology

Malic acid is a valuable organic acid widely used in food, pharmaceutical, and chemical industries. It can be sustainably produced from underutilized molasses, often classified as waste. This study evaluated the feasibility of malic acid production from molasses, using Rhizopus arrhizus. A SuperPro Designer simulation integrated process design, economic analysis, and sensitivity evaluation and the results demonstrated economic viability with a Net Present Value (NPV) of $2,140,000 (7% discount rate), an Internal Rate of Return (IRR) of 15.81%, a Return on Investment (ROI) of 22.70, and a payback period (PP) of 4.40 years for an annual production capacity of 2,830 MT. Sensitivity analysis highlighted the selling price of malic acid as the most important economic factor. This feasibility study provides a novel approach to integrate molasses-based fermentation with simulation tools, offering actionable insights for industrial-scale implementation by quantifying key economic drivers.

The study demonstrates the economic viability of malic acid production from molasses using Rhizopus arrhizus, with promising financial indicators like an NPV of $2.81%, and a payback period of 4.The selling price of malic acid is identified as the most critical economic factor influencing the processs profitability.Further optimization of the fermentation process and downstream purification is crucial to enhance economic competitiveness and sustainability.

Future research should focus on enhancing the acid tolerance of R. arrhizus through strain modification or optimized process control to improve malic acid accumulation during fermentation. Investigating more intensive fermentation methods, such as fed-batch or continuous fermentation, could significantly reduce cycle times and increase volumetric productivity. Furthermore, developing more efficient and sustainable downstream processing strategies to minimize biofouling and waste generation is essential for improving the overall economic and environmental performance of the process. These advancements, coupled with a robust raw material sourcing strategy and quality control, will pave the way for the successful industrial implementation of malic acid production from molasses.

  1. A simulation-based feasibility assessment of malic acid production from molasses using Rhizopus arrhizus... cst.kipmi.or.id/journal/article/view/1629A simulation based feasibility assessment of malic acid production from molasses using Rhizopus arrhizus cst kipmi journal article view 1629
  1. #rhizopus arrhizus#rhizopus arrhizus
  2. #heat pipe sink#heat pipe sink
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