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METSIM

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Chemical Processing
METSIM can simulate a wide variety of chemical processes.  The generic unit operation modules with chemistry and process controls can quickly model complex flowsheets for mass and energy balances.  Empirical, equilibrium, kinetic or other data can be added in tabular or equation form to tune the model to accurately predict process performance,.  Once steady state models are functioning, they can be converted to dynamic models for complete process analysis.

Waste Treatment
METSIM is routinely used for modeling processes where accurate calculation of  trace components is required.  Radioactive, site remediation, scrap recovery and waste reduction processes have been modeled including a dryer for treating hazardous waste containing radioactive, toxic organic, and heavy metals.

Dynamic Simulation
Many processes can be modeled dynamically.  The heap leach option models spray rates, chemistry, heap drainage and control logic.  Dynamic models of Peirce Smith converter, Ausmelt furnace, electrorefining, and phosphoric acid tank farms are examples.

Heat Balance
Using METSIM's online thermodynamic database, heat balances can be calculated with ease.  Output includes the total heat for each unit operation.  METSIM calculates heat losses from furnaces based upon dimensions and heat transfer coefficients.

Comminution
The comminution and material balance module can be used to calculate consistent plant material balances, parameterize  equipment models,  and simulate comminution circuits for optimizing performance.  Throughput improvements up to 30 percent have been realized as a result of METSIM modelling.  Crushing and grinding circuits can be sized with METSIM and laboratory test data.  Combined with the dynamic simulation module, the comminution module can be used to analyze strategies to optimize and control aggregate plants and crushing, screening and grinding processes.  Output from simulations include complete screen analysis of all process streams.

Gravity Separation
The gravity separation module has been used to model numerous coal preparation plants.  Output options include plots of yield, ash and sulfur versus separation density, plots of ash, sulfur and other assays versus size fraction and specific gravity, and tables of ash, sulfur, Btu value and pounds of SO2 released per million Btus of heat generated.