Reactive Extraction of p-Nitrophenol Using Tributylphosphate in Solvent Naphtha or n-Octanol

2016 ◽  
Vol 61 (2) ◽  
pp. 813-819 ◽  
Author(s):  
Bing Cui ◽  
Jing-Chao Gong ◽  
Mu-Hua Duan ◽  
Zhi-Xian Chang ◽  
Ling-Ling Su ◽  
...  
Keyword(s):  
Reactive Extraction ◽  
Solvent Naphtha

The ecological impact of membrane-based extraction of phenolic compounds – a life cycle assessment study

2010 ◽  
Vol 62 (4) ◽  
pp. 915-919 ◽  
Author(s):  
C. Bayer ◽  
M. Follmann ◽  
T. Melin ◽  
T. Wintgens ◽  
K. Larsson ◽  
...  
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Phenolic Compounds ◽  
Ecological Impact ◽  
Porous Membrane ◽  
Aqueous Fluid ◽  
Reactive Extraction ◽  
Molecular Weights ◽  
Process Economics ◽  
Process Implementation

Many phenolic compounds show high boiling points, low molecular weights, moderate polarities or high toxicities. Therefore, conventional wastewater treatment is limited or expensive. Recycling of the separated compounds is often not possible. But, if liquid-liquid reactive extraction is linked to a non-porous membrane, some or all of the above mentioned limitations may be overcome. The key element is a composite membrane with a dense, hydrophobic top layer which avoids the mixing of the two aqueous fluid streams. The dilute phenol stream is one of them, the other is caustic soda as stripping solvent. Since the basics of this technology have been discussed before, the scope of this study is to facilitate process implementation and integration. To this end, a life cycle assessment framework is used to identify the optimal equipment size for the treatment of wastewater that may, for example, originate from the production of polycarbonate. Limiting for this application is not the environmental performance though, but most likely process economics.

Reactive Extraction of the Acylglycerides Present in Various Materials using Rhizopus oryzae Resting Cells

2003 ◽  
Vol 21 (3) ◽  
pp. 129-134 ◽  
Author(s):  
Mercè Torres ◽  
Jonh Jairo Méndez ◽  
Ventura Sanahuja ◽  
Ramon Canela
Keyword(s):  
Rhizopus Oryzae ◽  
Reactive Extraction ◽  
Resting Cells
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