Environmental Engineering Reference
In-Depth Information
“Traditional” Process
Energy
Products
Chemical
Process
Pollution
control
Waste
Release to
environment
Raw
materials
Energy
Products
Waste
Chemical
Process (New)
Pollution
control
Release to
environment
Raw
materials
Recycle
“Green” Process
FIGURE 6.73 Differences between a “traditional” and a “green” chemical manufacturing
process.
Chemical properties
(thermo, kinetics,
transport)
Environmental
fate models
(fugacity)
Process design
tools
Green process
design
Process
optimization tools
Environmental
impacts models
Process
simulation
models
FIGURE 6.74 Various steps in an environmentally conscious design of a chemical process.
the needs of the current generation without impacting the needs of future generations
to meet their own needs,” and (ii) Life Cycle Assessment (LCA).
6.6.1 E NVIRONMENTAL I MPACT A NALYSIS
To implement green processes in chemical or environmental engineering processes,
we use a hierarchical (three-tiered) approach for Environmental Impact Analysis
 
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