Biotechnology for Fuels and Chemicals: Proceedings of the Nineteenth Symposium on Biotechnology for Fuels and Chemicals Held May 4-8. 1997, at Colorado Springs, Colorado

Front Matter....Pages i-xvi
Feedstock Supply and Processing....Pages 1-2
Comparison of SO 2 and H 2 SO 4 Impregnation of Softwood Prior to Steam Pretreatment on Ethanol Production....Pages 3-15
Pretreatment of Softwood by Acid-Catalyzed Steam Explosion Followed by Alkali Extraction....Pages 17-24
Comparison of Yellow Poplar Pretreatment Between NREL Digester and Sunds Hydrolyzer....Pages 25-35
Shrinking-Bed Model for Percolation Process Applied to Dilute-Acid Pretreatment/Hydrolysis of Cellulosic Biomass....Pages 37-49
Cost Estimates and Sensitivity Analyses for the Ammonia Fiber Explosion Process....Pages 51-66
Selective Polarity- and Adsorption-Guided Extraction/Purification of Annona sp. Polar Acetogenins and Biological Assay Against Agricultural Pests....Pages 67-76
Dilute Acid Pretreatment of Softwoods Scientific Note ....Pages 77-87
Pretreatment of Sugarcane Bagasse Hemicellulose Hydrolysate for Xylitol Production by Candida guilliermondii....Pages 89-98
Continuous pH Monitoring During Pretreatment of Yellow Poplar Wood Sawdust by Pressure Cooking in Water....Pages 99-111
Applied Biological Research....Pages 113-114
Fuel Ethanol Production from Corn Fiber Current Status and Technical Prospects....Pages 115-125
Xylose Reductase Production oy Candida guilliermondii....Pages 127-135
Yeast Adaptation on Softwood Prehydrolysate....Pages 137-148
Production of Xylitol by Candida mogii from Rice Straw Hydrolysate....Pages 149-159
Improving Fermentation Performance of Recombinant Zymomonas in Acetic Acid-Containing Media....Pages 161-172
Conditions that Promote Production of Lactic Acid by Zymomonas mobilis in Batch and Continuous Culture....Pages 173-185
A Novel Fermentation Pathway in an Escherichia coli Mutant Producing Succinic Acid, Acetic Acid, and Ethanol....Pages 187-198
Cloned Bacillus subtilis Alkaline Protease (aprA) Gene Showing High Level of Keratinolytic Activity....Pages 199-205
Isolation, Identification, and Keratinolytic Activity of Several Feather-Degrading Bacterial Isolates....Pages 207-213
Acetamide Degradation by a Continuous-Fed Batch Culture of Bacillus sphaericus....Pages 215-223
Use of Hemicellulose Hydrolysate for β-Glucosidase Fermentation....Pages 225-235
Production of a Novel Pyranose 2-Oxidase by Basidiomycete Trametes multicolor....Pages 237-248
Broad Spectrum and Mode of Action of an Antibiotic Produced by Scytonema sp. TISTR 8208 in a Seaweed-Type Bioreactor....Pages 249-256
Comparative Study of Xylanase Kinetics Using Dinitrosalicylic, Arsenomolybdate, and Ion Chromatographie Assays....Pages 257-265
Production and Purification of CGTase of Alkalophylic Bacillus Isolated from Brazilian Soil....Pages 267-275
Submerged Culture Screening of Two Strains of Streptomyces sp. with High Keratinolytic Activity....Pages 277-284
Cofermentation of Glucose, Xylose, and Arabinose by Mixed Cultures of Two Genetically Engineered Zymomonas mobilis Strains....Pages 285-299
Improvement of Substrate Conversion to Molecular Hydrogen by Three-Stage Cultivation of a Photosynthetic Bacterium, Rhodovulum sulfidophilum....Pages 301-310
Effect of Drying on Bioremediation Bacteria Properties....Pages 311-322
Production of L-Lactic Acid by Rhizopus oryzae in a Bubble Column Fermenter....Pages 323-329
Factors that Affect the Biosynthesis of Xylitol by Xylose-Fermenting Yeasts A Review....Pages 331-339
Cloning and Sequence Analysis of the Poly(3-Hydroxyalkanoic Acia)-Synthesis Genes of Pseudomonas acidophila....Pages 341-352
Continuous Culture Studies of Xylose-Fermenting Zymomonas mobilis....Pages 353-367
Effect of Surfactants and Zeolites on Simultaneous Saccharification and Fermentation of Steam-Exploded Poplar Biomass to Ethanol....Pages 369-381
Thermal Stability and Energy of Deactivation of Free and Immobilized Amyloglucosidase in the Saccharification or Liquefied Cassava Starch....Pages 383-394
Hydrolysis of Cellulose Using Ternary Mixtures of Purified Cellulases....Pages 395-403
The Production and Properties of a New Xylose Reductase from Fungus Neurospora crassa....Pages 405-414
Bioprocessing Research....Pages 415-415
An Integrated Bioconversion Process for Production of L-Lactic Acid from Starchy Potato Feedstocks....Pages 417-428
Production of Ethanol from Starch by Co-Immobilized Zymomonas mobilis-Glucoamylase in a Fluidized-Bed Reactor....Pages 429-439
Ethanol Production from AFEX-Treated Forages and Agricultural Residues....Pages 441-462
Adaptive Optimal Control of Fed-Batch Alcoholic Fermentation....Pages 463-478
Nonisothermal Simultaneous Saccharification and Fermentation for Direct Conversion of Lignocellulosic Biomass to Ethanol....Pages 479-492
Comparison Between Experimental and Theoretical Values of Effectiveness Factor in Cephalosporin C Production Process with Immobilized Cells....Pages 493-504
Downstream Processing of Inulinase Comparison of Different Techniques....Pages 505-511
Improvement of Lactic Cell Production....Pages 513-526
In Situ Global Method for Measurement of Oxygen Demand and Mass Transfer....Pages 527-533
Improvement of Oxygen Transfer Coefficient During Penicillium canescens Culture....Pages 535-545
Batch Foam Recovery of Sporamin from Sweet Potato....Pages 547-558
Batch Foam Fractionation of Kudzu (Pueraria lobata) Vine Retting Solution....Pages 559-567
Development of a Novel, Two-Step Process for Treating Municipal Biosolids for Beneficial Reuse....Pages 569-577
Phenomenological and Neural-Network Modeling of Cephalosporin C Production Bioprocess....Pages 579-592
Biosorption of Nickel Using Filamentous Fungi....Pages 593-601
Conversion of Food Industrial Wastes into Bioplastics....Pages 603-614
Improved Oxygen Delivery in a Continuous-Roller-Bottle Reactor....Pages 615-627
Xylanase Recovery....Pages 629-639
Extracellular Proteolytic Processing of Aspergillus awamori GAI into GAII is Supported by Physico-Chemical Evidence....Pages 641-650
Technical and Economic Evaluation of Different Reactors for Methanotrophic Cultures for Propylene Oxide Production....Pages 651-659
Xylanase Recovery by Ethanol and Na 2 SO 4 Precipitation....Pages 661-666
Production of Citronellyl Acetate in a Fed-Batch System Using Immobilized Lipase Scientific Note ....Pages 667-675
Production and Purification of Tartrate Dehydrogenase....Pages 677-686
Demonstration-Scale Evaluation of a Novel High-Solids Anaerobic Digestion Process for Converting Organic Wastes to Fuel Gas and Compost....Pages 687-695
Recycling of Process Streams in Ethanol Production from Softwoods Based on Enzymatic Hydrolysis....Pages 697-708
Biological-Chemical Treatment of Soils Contaminated with Exploration and Production Wastes....Pages 709-718
Recovery and Refining of Au by Gold-Cyanide Ion Biosorption Using Animal Fibrous Proteins....Pages 719-728
Effect of Temperature and Pressure on Growth and Methane Utilization by Several Methanotrophic Cultures....Pages 729-738
The Production of Hydrocarbons from Photoautotrophic Growth of Dunaliella salina 1650....Pages 739-746
Fouling and Protein Adsorption....Pages 747-763
Biocatalytic Removal of Nickel and Vanadium from Petroporphyrins and Asphaltenes....Pages 765-777
Expanded-Bed Adsorption Utilizing Ion-Exchange Resin to Purify Extracellular β-Galactosidase....Pages 779-787
β-Cyclodextrin Production by Simultaneous Fermentation and Cyclization....Pages 789-804
Session 4 Industrial Needs, Commercialization, and Process Economics....Pages 805-806
Use of Net Present Value Analysis to Evaluate a Publicly Funded Biomass-fo-Ethanol Research, Development, and Demonstration Program and Valuate Expected Private Sector Participation....Pages 807-819
Coordinating California’s Efforts to Promote Waste to Alcohol Production....Pages 821-841
Session 5 Specialty Chemicals with Emphasis on Environmentally Benign Products and Processes....Pages 843-844
Production of l-Malic Acid via Biocatalysis Employing Wild-Type and Respiratory-Deficient Yeasts....Pages 845-852
Fate of Branched-Chain Fatty Acids in Anaerobic Environment of River Sediment....Pages 853-862
Simultaneous Enzymatic Synthesis of Gluconic Acid and Sorbitol....Pages 863-868
Biotechnological Production of Xylitol from Agroindustrial Residues....Pages 869-875
Ethanol from Babassu Coconut Starch....Pages 877-886
Biotechnological Production of Acrylic Acid from Biomass....Pages 887-894
 Bacillus stearothermophilus for Thermophilic Production of l-Lactic Acid....Pages 895-903
 In Situ Mutagenesis and Chemotactic Selection of Microorganisms in a Diffusion Gradient Chamber....Pages 905-918
Bioconversion of Fumaric Acid to Succinic Acid by Recombinant E. coli ....Pages 919-928
Accumulation of Biodegradable Copolyesters of 3-Hydroxy-Butyrate and 3-Hydroxyvalerate in Alcaligenes eutrophus ....Pages 929-935
Session 6 Biotechnology in the Pulp and Paper Industry....Pages 937-938
Efficient Production of Mannan-Degrading Enzymes by the Basidiomycete Sclerotium rolfsii ....Pages 939-953
Production and Characterization of Phanerochaete chrysosporium Lignin Peroxidases for Pulp Bleaching....Pages 955-966
In Vitro Degradation of Insoluble Lignin in Aqueous Media by Lignin Peroxidase and Manganese Peroxidase....Pages 967-982
Pulp Bleaching Using Laccase from Trametes versicolor Under High Temperature and Alkaline Conditions....Pages 983-993
Microbial Oxidation of Mixtures of Methylmercaptan and Hydrogen Sulfide....Pages 995-1005
Back Matter....Pages 1007-1015