水のネットワークの最適化:境界縮小法の適用
Ivone Cristina Barros Pedroza1, Mauro Antonio da Silva Sá Ravagnani2
1Chemical Engineering Graduate Program, State University of Maringá, Maringá, 87020-900, Brazil.
まとめ
本研究では、淡水使用量と廃棄物の削減を目指す工業用水再利用ネットワークの最適化モデルを提案する。開発された手法は、効率的な水管理システムの設計における最適な解を成功裏に見出す。
科学分野:
- 化学工学
- 環境工学
- オペレーションズ・リサーチ
背景:
- 工業用水の使用は、かなりの量の淡水消費と排出水の生成につながります。
- 水の再利用ネットワークの最適化は、製造プロセスにおける持続可能性とコスト削減のために重要です。
- 既存のモデルは、前処理ユニットや複雑な汚染物質のシナリオを完全に考慮していない場合があります。
研究 の 目的:
- 工業用水再利用ネットワーク合成のための混合整数非線形計画法(MINLP)最適化モデルを開発すること。
- 水のネットワーク設計に、前処理ユニットの有無にかかわらずシナリオを組み込むこと。
- 淡水の取水、排出水の放出、および全体的な年間コストを最小化すること。
主な方法:
- 水の再利用ネットワーク合成のための双線形項を持つMINLPモデルの定式化。
- 最適化効率を改善するための境界縮小法の実装。
- 実用的な応用のための一般代数モデリングシステム(GAMS)でのモデルのコーディング。
主要な成果:
- 開発された最適化モデルは、水の再利用ネットワークの全体的な最適解を成功裏に特定しました。
- 境界縮小法は、最適解の探索空間を効果的に削減しました。
- 単一および複数の汚染物質を伴うケーススタディは、前処理ユニットを含む、モデルの適用可能性を実証しました。
結論:
- 提案された最適化戦略は、工業用水再利用ネットワークの効率的な設計と再評価を可能にします。
- このモデルは、より持続可能で費用対効果の高い水管理構成の開発に貢献します。
- この調査結果は、工業環境における水資源管理の強化を支持します。
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