Study
Commercial ProductionHigh ImpactStrong effect

Simultaneous Heat and Mass Flux Optimization Reduces Production Costs by 68%

Integrating heat and mass flux optimization into a single-step process synthesis significantly enhances resource efficiency and reduces variable costs in chemical production.

AIChE Journal · 2019

01

Key Findings

  • 01The FluxMax approach (FMA) enables simultaneous optimization of mass and energy fluxes.
  • 02This integrated approach identified optimal process structures that reduced total variable costs by 68% for HCN production.
  • 03The FMA can identify globally resource-efficient processes, particularly for convex objective functions.
02

Application

Design takeaway

Implement integrated optimization strategies that consider both mass and energy flows simultaneously to achieve maximum resource efficiency and cost reduction in process design.

How to apply

When designing or retrofitting chemical plants, utilize optimization software that supports simultaneous heat and mass integration to identify the most cost-effective and resource-efficient configurations.

Project actions

  • 01When analyzing a process, consider how energy use and material inputs are linked.
  • 02Explore software tools that can perform integrated process optimization.
03

Method & Evidence

AimCan a single-step optimization approach for simultaneous heat and mass flux synthesis identify more resource-efficient chemical production processes than traditional sequential methods?
MethodProcess Synthesis and Optimization
ProcedureA novel approach, FluxMax (FMA), was developed to simultaneously optimize mass and energy fluxes in process synthesis. This method was applied to the production of hydrogen cyanide (HCN) to identify resource-optimal process structures by combining different reactor and recycling strategies.
ContextChemical process engineering, specifically for the production of hydrogen cyanide.

Variables

IVOptimization approach (sequential vs. simultaneous heat and mass flux)
DVTotal variable cost, resource efficiency
CVChemical product (hydrogen cyanide), reactor type, recycling strategies (as explored within the FMA framework)
04

Strengths & Limitations

Strengths

  • +Presents a novel, integrated optimization methodology.
  • +Quantifies significant cost reductions through a case study.

Limitations

The complexity of implementing simultaneous optimization in a practical design project might be high without specialized software.

Reliability & validity

The study's validity relies on the mathematical rigor of the optimization model and the accuracy of the process simulation for HCN production. Reliability would depend on the reproducibility of the optimization results.

Think critically

How might the computational complexity of simultaneous optimization limit its practical application in real-time process control compared to sequential methods?

05

Design Principles

"Holistic process optimization: Integrate multiple optimization objectives (e.g., mass and energy) into a single synthesis step for superior system performance."

This approach moves beyond traditional sequential optimization, allowing for the identification of globally optimal solutions that consider both material and energy flows concurrently. This leads to more sustainable and economically viable designs for chemical plants.

06

What This Means for Your Design

Instead of optimizing material flow and then energy flow separately, this research shows that doing both at the same time can find much better and cheaper ways to make chemicals.

How to use in your project

  • 1.Reference this study when discussing the importance of integrated design optimization for resource efficiency and cost reduction in your design project.
07

Add to My Project

08

Quick Cite

(2019). The FluxMax approach for simultaneous process synthesis and heat integration: Production of hydrogen cyanide. AIChE Journal. https://doi.org/10.1002/aic.16554 Retrieved from https://designdex.org/study/9bda4e3c-a35f-488e-917f-7aa5b31ecb2f/simultaneous-heat-and-mass-flux-optimization-reduces-production-costs-by-68

Paragraph starter

The FluxMax approach demonstrates that integrating mass and energy flux optimization into a single synthesis step can lead to significant cost reductions (e.g., 68% in hydrogen cyanide production), highlighting the benefits of holistic process design over sequential optimization methods.

09

Source

AIChE Journal

The FluxMax approach for simultaneous process synthesis and heat integration: Production of hydrogen cyanide

journal · 2019

View source

Questions about this research

What does the research say about simultaneous heat and mass flux optimization reduces production costs by 68%?
Implement integrated optimization strategies that consider both mass and energy flows simultaneously to achieve maximum resource efficiency and cost reduction in process design. Evidence: AIChE Journal (2019).
Why does "Simultaneous Heat and Mass Flux Optimization Reduces Production Costs by 68%" matter for design?
This approach moves beyond traditional sequential optimization, allowing for the identification of globally optimal solutions that consider both material and energy flows concurrently. This leads to more sustainable and economically viable designs for chemical plants.
How can designers apply this research?
Implement integrated optimization strategies that consider both mass and energy flows simultaneously to achieve maximum resource efficiency and cost reduction in process design.
What were the main findings?
The FluxMax approach (FMA) enables simultaneous optimization of mass and energy fluxes.. This integrated approach identified optimal process structures that reduced total variable costs by 68% for HCN production.. The FMA can identify globally resource-efficient processes, particularly for convex objective functions.
What research method was used?
Process Synthesis and Optimization.
How strong is the evidence?
Evidence strength is rated Strong effect, based on a 2019 journal from AIChE Journal.
What should I do differently in my next project?
When designing or retrofitting chemical plants, utilize optimization software that supports simultaneous heat and mass integration to identify the most cost-effective and resource-efficient configurations.
What are the limitations?
The study focused on hydrogen cyanide production; applicability to other chemical processes may vary. The identification of globally optimal solutions is guaranteed for convex objective functions.
Is there evidence that hydrogen cyanide affects design outcomes?
By optimizing heat and material flows together in one step, a new method called FluxMax was able to find ways to produce hydrogen cyanide that were 68% cheaper to run. This approach moves beyond traditional sequential optimization, allowing for the identification of globally optimal solutions that consider both materia Source: AIChE Journal (2019).
Where does this consider both research apply?
Chemical process engineering, specifically for the production of hydrogen cyanide. It sits within commercial production research on designdex.org.

Related research topics

hydrogen cyanide design research · evidence on hydrogen cyanide · does hydrogen cyanide improve design outcomes · consider both studies for designers · hydrogen cyanide and consider both findings · commercial production research evidence