The Adsorption of Hydrogen Fluoride and Fluoride Ion on a Water Treatment Sludge
スポンサーリンク
概要
- 論文の詳細を見る
The hydrogen fluoride (HF) and fluoride ion (F^-) adsorption potentials of a water treatment sludge were investigated in a batch mode as a function of pH, contact time, initial fluoride concentrations, and other co-existing anions. The maximum removal of total fluoride was apparently observed at pH 5.1, whereas HF or F^- adsorptions showed nearly 100% in pH range from 2.2 to 4.3. The HF or F^- adsorption by the water treatment sludge has occurred rapidly during the initial 5.60 min and thereafter slowly increased until 48 h. The other anions such as SO_4^<2->, NO_3^- and Cl^- have not adversely affected on extent of HF or F^- adsorption by the water treatment sludge.
- 2009-02-27
論文 | ランダム
- 気管支拡張薬トリメトキノ-ルの開発 (新しい医薬品の開発)
- 農薬の毒性試験の現状と問題点 (農薬残留(特集))
- 2008年選挙後のマレーシア政治の行方--ブミプトラ政策、イスラム国家、州の機能 (特集 マレーシア政治のゆくえ)
- New Cysteine Fluorometric Determination for Vegetables and Fruits Based on a Reaction with 2,6-Dichloro-p-benzoquinone and Using Thin-layer Densitometry
- DESIGN AND MANUFACTURING PROCESSES AND LOAD CARRYING CAPACITY OF CYLINDRICAL GEAR PAIRS WITH 2 TO 4 PINION TEETH FOR HIGH GEAR RATIOS : 2nd Report, Bending and Twisting Deflections of Pinion and Surface Durability of Gear Pairs with 4 Pinion Teeth