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Use of Intraparticle Mass Transfer Parameters as a Design Tool for Catalyst Pellets（图）
effective diffusion coefficient tortuosity copper catalyst pellet design
2013/10/7
A chromatographic method and a dynamic Wicke-Kallenbach method (DMWK) were used to determine the diffusion characteristics of two industrial copper containing catalysts. The first catalyst was used in...
Lead Biosorption by Self-Immobilized Rhizopus nigricans Pellets in a Laboratory Scale Packed Bed Column: Mathematical Model and Experiment
biosorption lead packed bed column mathematical model Rhizopus nigricans
2010/12/21
The biosorption of lead ions from aqueous solution on a self-immobilized Rhizopus nigricans
biomass has been studied. Experiments were performed in a laboratory scale packed
bed column at different ...
TECHNO-ECONOMICAL ANALYSIS OF WOOD PELLETS PRODUCTION FOR U.S. MANUFACTURERS
TECHNO-ECONOMICAL ANALYSIS WOOD PELLETS PRODUCTION U.S. MANUFACTURERS
2010/10/25
Many companies in the U.S. are entering the wood pellets market due to the increasing importance of woody biomass utilization for energy purposes. Despite a 200% increase in U.S. production, it is dif...
米根霉菌丝球半连续发酵产乳酸的工艺研究（Production of Lactic Acid by Pellets of Rhizopus oryzae in Semi-continuous Fermentation）
乳酸 米根霉 半连续发酵 菌丝球
2009/11/24
采用单因素试验和正交试验设计，以乳酸质量浓度及菌丝形态为考察指标，对米根霉首批发酵培养基及补料培养基进行优化，得到适于米根霉半连续发酵的培养基，建立了米根霉半连续发酵工艺，并进行米根霉半连续发酵产乳酸的稳定性试验。得到首批培养基参数为葡萄糖120g/L，(NH4)2SO4 2g/L，NaH2PO4 0.16g/L，KH2PO4 0.14g/L，MgSO4?7H2O 0.2g/L，ZnSO4?7H2...
Biosorption of Chromium, Copper, Nickel and Zinc Ions onto Fungal Pellets of Aspergillus niger 405 from Aqueous Solutions
fungus Aspergillus niger 405 heavy metals biosorption
2009/3/23
Fungal mycelium pellets of Aspergillus niger 405 were used for adsorption of different metal ions. The biosorption of Cu2+, Zn2+, Ni2+ and CrO42- was studied over a range of metal ion concentrations, ...