持続可能な水処理:飲料水処理スラグを活用して水質を向上させる
Sumona Koley1, Gagan Deep Singh2, Meena Khwairakpam3
1Centre for the Environment, Indian Institute of Technology Guwahati, Guwahati, India.
Environmental technology
|August 21, 2025
まとめ
飲料水処理スラッジ (DWTS) は,浄水を改善するために再利用できます. DWTSをアルムで使用すると,天然の有機物質とぼろぼろが大幅に除去され,化学薬品の使用が減り,よりよいフラックスが形成されます.
科学分野:
- 環境科学
- 水処理技術
- 化学工学
背景:
- 飲料水処理スラッド (DWTS) は問題のある廃棄物流です.
- 溶けた天然有機物 (NOM) と水質の乱れは,水処理に課題をもたらします.
- 廃棄物の管理と効率の向上のために,持続可能な水処理方法が必要です.
研究 の 目的:
- 水処理における資源としてのDWTSの使用を調査する.
- NOMと度除去のためのDWTSを使用して,結合凝固-吸附プロセスを評価する.
- DWTSがアルム消費,フラック特性,消毒副産物形成に与える影響を評価する.
主な方法:
- DWTSとアルミニウムを用いた結合凝固-吸い込みプロセスを調査した.
- NOMと曇りを取り除くための最適化されたDWTS用量.
- アルミの消費量,スラグ・ボリューム・インデックス (SVI),フラック・インターフェース・スピード,トリハロメタン形成の可能性 (THMFP) の測定変化.
主要な成果:
- 1.5 g/LのDWTS用量は,ノームと曇りを効果的に除去しました.
- アルミの消費は46.15%減少した.
- SVIは166. 60から70. 40mL/ mgに減少し,インターフェース速度は8. 33%増加した.
- トライハロメタン形成の可能性 (THMFP) は約77. 71%減少した.
結論:
- DWTSは,水処理における効果的な吸着剤と凝固補助剤として活用できます.
- 廃棄物処理と水の浄化に 持続可能な解決策を提供しています
- このアプローチは処理効率を高め,化学物質の使用を減らし,消毒副産物に関連する健康リスクを軽減します.
さらに関連する動画
08:13A Novel Bioreactor for High Density Cultivation of Diverse Microbial Communities
Published on: December 25, 2015
17.2K
09:49Use of a Battery of Chemical and Ecotoxicological Methods for the Assessment of the Efficacy of Wastewater Treatment Processes to Remove Estrogenic Potency
Published on: September 11, 2016
14.2K
関連する概念動画
Quality of Water
188
In concrete preparation, the quality of water is paramount as it affects the strength and durability of the concrete. Potable water is usually preferred; however, it must not have excessive sodium or potassium to prevent compromising the concrete's integrity. Water quality is typically evaluated based on impurities such as dissolved solids, chlorides, and sulfates, and its pH value is ideally between 6 and 8. Even slightly acidic natural water may be acceptable unless it contains harmful...
188
Testing Water Quality
182
When the quality of water for concrete preparation is uncertain, its impact on the setting time of cement and compressive strength of mortar is assessed by comparison with de-ionized or distilled water benchmarks. American Society for Testing and Materials (ASTM) C1602 requires the setting times to be within 90 minutes of the control, British Standard (BS) 3146:1980 allows a 30-minute variance in the initial setting, while British Standards European Norm (BS EN) 1008 specifies initial setting...
182
Factors Affecting Solubility
33.9K
Compared with pure water, the solubility of an ionic compound is less in aqueous solutions containing a common ion (one also produced by dissolution of the ionic compound). This is an example of a phenomenon known as the common ion effect, which is a consequence of the law of mass action that may be explained using Le Chȃtelier’s principle. Consider the dissolution of silver iodide:
33.9K
Coagulation
374
Colloidal solids are solid particles suspended in solution. They are usually negatively charged, attracting a compact primary layer of positively charged ions, which attract more counterions to form an electrical double layer. Electrostatic repulsion between the charged double layers prevents the particles from colliding, stabilizing the colloids. These solids are often undesirable because they can contain toxins that are difficult to remove. Coagulation is a technique that helps aggregate and...
374
