脱塩技術のコスト最適化のためのプロパティモデルの予測の精度を評価する
Savannah S Sakhai1, Timothy V Bartholomew2, Alexander V Dudchenko3
1Department of Chemical and Biomedical Engineering, West Virginia University, Morgantown, West Virginia 26506, United States.
まとめ
適切な海水のプロパティモデルを選択することは,海水淡化のための鍵です. 塩分度が増加するにつれてモデルの精度が異なるが,コストの最適化にはより単純なモデルがしばしば十分であり,計算時間を節約する.
科学分野:
- 化学工学は化学工学というものです.
- 浄水技術 浄水技術について
- 熱力学は熱力学である.
背景:
- 海水の特性の正確なモデリングは,効率的な海水淡化に不可欠です.
- 既存のモデルは複雑性と計算上の需要によって異なります.
研究 の 目的:
- 淡水化の最適化のための3つの海水特性モデルを比較する.
- 水のレベル化されたコスト (LCOW) と特定のエネルギー消費量 (SEC) に与える影響を評価する.
主な方法:
- Reaktoro,MITライブラリ,そして簡素化されたNaClモデルを用いたプロセスのシミュレーション.
- リバースオスモシス (RO) と機械蒸気圧縮 (MVC) のコスト最適化.
主要な成果:
- モデルでは,ベースライン塩度で比較可能な結果を示しているが,より高い塩度では著しく異なる.
- RO性能は,オスモス圧力予測の違いに対してより敏感です.
- Reaktoroは計算が密集しており,経験的モデルよりも最大28倍遅い.
結論:
- 経験的モデルは,通常の海水淡化設計とコスト最適化に適しています.
- Reaktoroのような複雑なモデルは,スケーリングやpHなどの詳細な研究に価値があります.
- モデルの選択は,特定の海水淡化アプリケーションの目標と整合する必要があります.
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