蓝藻和节杆菌去除溶液中金离子的能力
Ability of Cyanobacteria and Arthrobacter Species to Remove Gold Ions from Solution
摘要：
采用透析-原子吸收联用技术研究了钝顶螺旋藻和节杆菌（Arthrobacter globiformis和Arthrobacter oxidas）对Au（III）的吸附作用。讨论了不同pH条件下钝顶螺旋藻对Au（III）的吸附作用。钝顶螺旋藻在不同pH值下对金的吸附常数以及氧化节杆菌和球形节杆菌在pH=7.1时对金的吸附常数分别为：1。K=3.91 × 10-4（Au-氧化节杆菌61 B，pH=7.1）K=14.17 × 10-4。(Au-球形节杆菌151 B，pH=7.1）。3. K= 2.07 × 10 -4（Au-钝顶螺旋藻，pH=7.1）K= 4.87 × 10 -4（Au-钝顶螺旋藻，pH=6.2）5. K=8.7x10-4（Au-钝顶螺旋藻，pH=8.4）
英文摘要：
The biosorption of Au(III) - Spirulina platensis and Au(III) - Arthrobacter species (Arthrobacter globiformis and Arthrobacter oxidas) were studied at simultaneous application of dialysis and atomic absorption analysis. Also biosorption of Au(III) - Spirulina platensis at various pH were discussed. Biosorption constants for Au-cyanobacteris Spirulina platensis at different pH, and for Arthrobacter oxidas and Arthrobacter globiformis at pH=7.1 are : 1. K=3.91 x 10-4 (Au- Arthrobacter oxidas 61B, pH=7.1) 2. K=14.17 x 10-4 . (Au- Arthrobacter globiformis 151B, pH=7.1). 3. K=2.07x10-4 (Au- Spirulina platensis, pH=7.1) 4. K= 4.87x10-4 (Au- Spirulina platensis, pH=6.2) 5. K=8.7x10-4 (Au- Spirulina platensis, pH=8.4)
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