H2 Oh No!
Closed-loop systems offer fertilizer producers solution to water scarcity and quality woes
Water quality and scarcity have become a global concern — to the point that the UN has declared water scarcity as one of the greatest challenges of the 21st century.
The fertilizer industry is experiencing these water issues first-hand, perhaps no more so than producers that are replacing traditional direct-contact air-cooling methods used in the manufacturing process with indirect fluid-focused solutions.
In the May/June issue of World Fertilizer Magazine, Igor Makarenko, Global Director, Fertilizer for Solex Thermal Science, discusses the role closed-loop systems are playing when operators are faced with water scarcity or quality issues, such as high chloride content.
Makarenko notes the system operates on a self-contained water circuit with a plate exchanger isolating the heat exchange unit from the primary plant cooling water supply.
A tempered water module controls temperatures of the cooling water before the water is brought into the plates of the indirect heat exchanger. This ensures the desired, steady water temperature profile is maintained regardless of different operating conditions.
"In a closed-loop system, the water module provides fertilizer plant operators with a robust gatekeeper that maintains the water temperature, circulating clean water before allowing it into the cooling exchanger," says Makarenko.
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