Contributors | p. xiii |
Foreword | p. xvii |
Preface | p. xix |
General Aspects and Case Studies | |
Cleaner Bioprocesses and Sustainable Development | p. 3 |
Introduction | p. 3 |
Cleaner Bioprocesses | p. 4 |
The Five R Policies | p. 7 |
The Growth in Demand for Environmental Biotechnologies and Cleaner Processes | p. 9 |
International Standards and Competitiveness as Promoters of Cleaner Processes | p. 11 |
Research and Technological Organizations as Promoters of Clean Production Schemes | p. 15 |
References | p. 16 |
Environmental Policy for Small and Medium Enterprises | p. 19 |
The Current Situation on Sustainable Development | p. 19 |
The Situation in Mexico | p. 20 |
Industrial Pollution | p. 22 |
A Policy of Economic Incentives | p. 23 |
Economic Incentives in Mexico | p. 24 |
Some Conclusions | p. 26 |
References | p. 27 |
The Vital Issues Process: Managing Critical Infrastructures in the Global Arena | p. 29 |
Introduction | p. 29 |
Approach | p. 30 |
Stakeholder Panellists | p. 32 |
Panel Session Format | p. 34 |
Pairwise Comparison Results/Data Presentation | p. 37 |
The Puerto Rico Water Resources Management Initiative | p. 39 |
Concluding Remarks | p. 43 |
References | p. 44 |
Environmental Impact of Nitrogen Fertilizers in the 'Bajio' Region of Guanajuato State, Mexico | p. 45 |
Introduction | p. 45 |
Materials and Methods | p. 47 |
Results and Discussion | p. 48 |
Conclusion | p. 53 |
References | p. 53 |
Impermeable Barrier Liners in Containment Type Landfills | p. 55 |
Introduction | p. 55 |
Compacted Clay Liners | p. 56 |
Amended Soil Liners | p. 57 |
Synthetic or Composite Liners | p. 57 |
Factors Relevant to all Types of Liners | p. 59 |
Permeability Testing | p. 59 |
Conclusion | p. 60 |
References | p. 61 |
Control of Submicron Air Toxin Particles after Coal Combustion Utilizing Calcium Magnesium Acetate | p. 63 |
Introduction | p. 63 |
Background | p. 64 |
Materials and Methods | p. 69 |
Results and Discussion | p. 71 |
Conclusions and Recommendations | p. 75 |
References | p. 79 |
Recycling and Treatment of Organic Wastes | |
Duckweed-Based Wastewater Treatment for Rational Resource Recovery and Reuse | p. 83 |
Introduction | p. 83 |
Characteristics of Duckweeds | p. 85 |
Duckweed and Domestic Wastewater Treatment | p. 86 |
Integrated Concepts | p. 91 |
Conclusions | p. 96 |
References | p. 97 |
Anaerobic Treatment of Tequila Vinasse | p. 101 |
Introduction | p. 101 |
Materials and Methods | p. 101 |
Results and Discussion | p. 103 |
Acknowledgements | p. 106 |
References | p. 106 |
Immobilization of Living Microalgae and their Use for Inorganic Nitrogen and Phosphorus Removal from Water | p. 107 |
Introduction | p. 107 |
Microalgae and Cyanobacteria | p. 108 |
Biological Wastewater Treatment | p. 108 |
Utilization of Inorganic Nitrogen and Phosphorus by Cyanobacteria | p. 109 |
Immobilization Techniques | p. 110 |
Concluding Remarks | p. 117 |
Acknowledgements | p. 118 |
References | p. 118 |
Engineered Reed Bed Systems for the Treatment of Dirty Waters | p. 123 |
Introduction | p. 123 |
Basis of Treatment | p. 124 |
Horizontal Flow Beds | p. 126 |
Downflow Beds | p. 128 |
Overland Flow Beds | p. 129 |
Sludge Treatment Beds | p. 130 |
Application of Reed Bed Systems | p. 130 |
Conclusions | p. 131 |
References | p. 131 |
Removal of Recalcitrant Compounds | |
Immobilization of Non-viable Cyanobacteria and their use for Heavy Metal Adsorption from Water | p. 135 |
Introduction | p. 135 |
Microbial Mechanisms for Removal of Metal Ions | p. 136 |
Biomass Immobilization | p. 142 |
Reactors for the Treatment of Metal-containing Effluents | p. 145 |
Metal Biosorption by Immobilized Biomass | p. 145 |
Conclusion | p. 151 |
Acknowledgements | p. 151 |
References | p. 151 |
Bioremediation: Clean-up Biotechnologies for Soils and Aquifers | p. 155 |
Introduction | p. 155 |
The Soil: Where Contaminants and Microorganisms Meet | p. 155 |
Microorganism Survival in Adverse Conditions | p. 156 |
Advantages of Bioremediation | p. 159 |
Knowing the Contaminated Site | p. 159 |
Suitability of the Site for Biotreatability Tests | p. 160 |
From Laboratory to Field | p. 161 |
Bioremediation Monitoring in the Field | p. 164 |
Bioremediation as a Clean Technology | p. 164 |
Management Technology Needs | p. 165 |
References | p. 166 |
Increasing Bioavailability of Recalcitrant Molecules in Contaminated Soils | p. 167 |
Introduction | p. 167 |
Soil Bioremediation: An Emerging Technology | p. 168 |
Bioavailability Constraints | p. 169 |
General Strategies to Increase Bioavailability | p. 171 |
Addition of Synthetic Surfactants | p. 172 |
Increasing Bioavailability: General Recommendations | p. 174 |
Conclusions | p. 175 |
Acknowledgements | p. 175 |
References | p. 175 |
Bioremediation of Contaminated Soils | p. 179 |
Introduction | p. 179 |
Current Market for Bioremediation | p. 180 |
Bioremediation Systems | p. 180 |
Concluding Remarks | p. 188 |
References | p. 188 |
Environmental Oil Biocatalysis | p. 191 |
Introduction | p. 191 |
Pathways in Hydrocarbon Degradation | p. 192 |
Genetics of Aromatic Hydrocarbon Biodegradation | p. 197 |
Mechanisms of Genetic Adaptation | p. 200 |
Final Remarks | p. 202 |
References | p. 203 |
Cleaner Bioprocesses | |
Clean Biological Bleaching Processes in the Pulp and Paper Industry | p. 211 |
Introduction | p. 211 |
New Bleaching Processes | p. 214 |
Enzymatic Bleaching | p. 216 |
Production of Manganese-Dependent Peroxidase | p. 220 |
Future Perspectives | p. 221 |
Acknowledgements | p. 222 |
References | p. 222 |
The Cleaner Production Strategy Applied to Animal Production | p. 227 |
Introduction | p. 227 |
Cleaner Pig Production Units | p. 231 |
Integrated System for Recycling Pig Wastewater, and Recovering Biogas, Spirulina and Lemna and Biomass (Biospirulinema System) | p. 233 |
Final Remarks | p. 239 |
References | p. 241 |
Clean Technologies through Microbial Processes for Economic Benefits and Sustainability | p. 245 |
Introduction | p. 245 |
The Sugarcane and Sugar Processing Industry | p. 245 |
The Palm Oil Industry | p. 249 |
The Seafood Processing Industry | p. 254 |
Concluding Remarks | p. 259 |
References | p. 259 |
Cleaner Biotechnologies and the Oil Agroindustry | p. 265 |
Technology and Raw Materials | p. 265 |
The Market | p. 266 |
Structure and Application of Fats and Oils | p. 267 |
Fat and Oil Biotechnology | p. 267 |
The Coconut Industry: A Case Study | p. 270 |
Fat Substitutes | p. 271 |
Conclusions | p. 271 |
References | p. 273 |
In Search of Novel and Better Bioinsecticides | p. 275 |
Introduction | p. 275 |
Bioinsecticides based on Bt | p. 277 |
Mode of Action of Bt [delta]-Endotoxins | p. 278 |
Structure and Function of [delta]-Endotoxins | p. 279 |
Transgenic Plants Resistant to Insects | p. 281 |
Novel Systems using Bt | p. 282 |
Concluding Remarks | p. 283 |
References | p. 283 |
Bacillus thuringiensis: Relationship Between cry Gene Expression and Process Conditions | p. 285 |
Introduction | p. 285 |
Mode of Action and Specificity of Bt [Delta]-Endotoxins | p. 285 |
Molecular Biology of Bt | p. 286 |
Production of Bt | p. 288 |
Conclusions | p. 295 |
References | p. 295 |
Cleaner Production Activities in Zimbabwe | p. 299 |
Background | p. 299 |
Project Inputs | p. 300 |
Institutional Arrangement | p. 300 |
Demonstration Projects | p. 301 |
Information Dissemination | p. 303 |
Cleaner Production Manual | p. 304 |
Barriers Encountered During Demonstration Projects | p. 304 |
Conclusions | p. 305 |
References | p. 305 |
Sample Calculation | p. 307 |
Index | p. 309 |
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