Reuse of sludge and minor wastewater residuals
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Bibliographic Information
Reuse of sludge and minor wastewater residuals
Lewis Publishers, c1994
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Includes bibliographical references and index
Description and Table of Contents
Description
Starting with sludge and scum characterization, this practical guide provides least cost methods of improving sludge quality, options for beneficial reuse, the costs of implementing those options, and case studies of sludge reuse programs around the country. From the pitfalls of site selection to pairing sludge products with their markets, this is a comprehensive resource for anyone working to establish a successful sludge reuse program. Each sludge processing option is presented in depth, including costs, operational difficulties, odor control, and application of the sludge product. The land application of liquid sludge, traditional and innovative methods of natural and mechanical dewatering, and lime stabilization processes are covered in detail. Composting options including aerated static pile composting, vermicomposting, windrow composting, and in-vessel composting are investigated. Sludge pelletizing processes and innovative technologies for sludge reuse are discussed, along with the Part 503 regulations.
Table of Contents
1. Introduction -- 1. 1. Sludge Production in the United States -- 1.2. Benefits of Reusing Sewage Sludge -- 1.3. Constraints for Sewage Sludge Reuse -- 1.3.1. Improving Sludge Quality -- 1 .4. A Guide to Sludge Reuse Program -- 2. Sludge -- 2.1. Sludge Characterization -- 2.1.1. Physical Composition -- 2.1.2. Chemical Composition -- 2.2. Sludge Production -- 2.3. Sludge Sampling -- 2.3.1. Digester Stratification -- 2.3.2. Industrial Contributions -- 2.3.3. Laboratory Error -- 2.4. Analytical Characterization of Sludge -- 2.4.1. Mass Balances of Contaminants -- 2.4.2. Theoretical Removal Rates of Contaminants -- 3. Improving Sludge Quality -- 3.1. Introduction -- 3.2. Calculating Influent Loadings -- 3.3. Quantifying Sources of Contaminants -- 3.3.1. WaterSupply -- 3 .3 .1.1. Lang lier Saturation Index -- 3.3.1.2. Aggressive Index -- 3.3.1.3. Reducing the Metals Attributable to the Water Supply -- 3.3.2. Industrial Contributions -- 3.3.2.1. Sewer Use Limitations -- 3.3.2.2. Industrial Loadings -- 3.3.3. Households -- 3.3.4. Run-Off -- 3.3.5. Leachate from Landfills and Hazardous Waste Sites -- 3.4. Case Study -Sources of Petroleum Hydrocarbons -- 3.4.1. Calculate Influent Loadings of Petroleum Hydrocarbons -- 3.4.2. Quantify the Sources of Petroleum Hydrocarbons -- 4. Minor Residuals -- 4.1. Introduction -- 4.2. Scum Characterization -- 4.2.1. Physical Composition -- 4.2.2. Chemical Composition -- 4.2.3. Flotables -- 4.2.3.1. Quantifying the Problem -- 4.2.3.2. Plastics Reduction -- 4.3. Scum Production -- 4.3.1. Scum Collection -- 4.4. Coprocessing Sludge and Scum -- 4.4.1. Anaerobic Digestion and Gas Formation -- 4.4.2. Digester Mixing -- 4.4.3. Grinding -- 4.4.4. Screening -- 4.5. Separate Processing of Sludge and Scum -- 4.5.1. Incineration -- 4.5.2. Chemical Fixation -- 5. Designing a Sludge Recycling Program -- 5.1. Introduction -- 5.2. Factors Affecting Sludge Reuse -- 5.2.1. Economic Factors -- 5.2.2. Geographic Factors -- 5.2.3. Environmental Factors -- 5.2.4. Reliability -- 5.2.5. Other Factors -- 5.3. Siting Sludge Processing Facilities -- 5.3. l. Site Selection Criteria -- 5.3.2. The Environmental Impact Statement Process -- 5.3.3. Siting Pitfalls -- 5.3.4. Compensation -- 5.4. Sludge Products -- 5 .5. Sludge Markets -- 5.6. Costing Sludge Processing Facilities -- 6.Land Application of Liquid Sludge -- 6.1. Introduction -- 6.2. Agricultural Application -- 6.2.1. Effects of Sludge on Cropland -- 6.2.1.1. Soil pH -- 6.2.2. Research on Crop Response -- 6.2.3. Liquid Application in Southwestern Ohio -- 6.3. Forest Application -- 6.3.1. Effects of Sludge on Forestland -- 6.3.2. Research on Tree Response -- 6.3.3. Forest Application in Seattle, Washington -- 7. Sludge Dewatering -- 7 .1. Introduction -- 7 .2. Natural De watering Methods -- 7.2.1. Sand Beds -- 7 .2.2. Wedge water Filter Beds -- 7.2.3. Lagoon Dewatering -- 7.3. Innovative Methods of Natural Dewatering -- 7.3.1. Sludge Freezing for Dewatering -- 7 .3 .2. Phragmites Reed Beds -- 7.4. Mechanical De watering -- 7.4.1. Vacuum Filter Dewatering -- 7.4.2. Belt Filter Presses -- 7.4.3. Centrifuge Dewatering -- 7.4.3.1. Comparing Belt Filter Presses and Centrifuges -- 7.4.3.2. Costs of Centrifuges and Belt Filter Presses -- 7.5. Sludge Cake Application -- 7.5.1. Omaha, Nebraska -- 8. Lime-Stabilized Sludge -- 8.1. Introduction -- 8.2. Lime Stabilization Chemistry -- 8.3. Lime Stabilization Processes -- 8.3.1. Sludge Feed Equipment for Lime Stabilization -- 8.3.2. Lime Storage and Feed Equipment -- 8.3.3. Lime /Sludge Mixing Equipment -- 8.4. Variations on Lime Stabilization -- 8.4.1. Lime Pasteurization -- 8.4.2. Chemical Fixation of Sludge -- 8.5. Lime-Stabilized Sludge Application -- 8.5.1. Oklahoma City, Oklahoma -- 9. Sludge Composting -- 9.1. Introduction -- 9.2. Composting Processes -- 9.2.1. Aerated Static Pile Composting -- 9.2.2. Vermicomposting -- 9.2.3. Windrow Composting -- 9.2.4. Aerated Windrow Composting -- 9.2.5. In-Vessel Composting -- 9.3. Odor Control -- 9.3.1. Malodorous Compounds -- 9.3.2. Odor Control by Process Optimization -- 9.3.3. Amendment Choice -- 9.3.4. Exhaust Air Odor Control -- 9.4. Markets for Composted Sludge -- 9.4.1. Akron, Ohio -- 10. Sludge Pelletizing -- 10.1. Introduction -- 10.2. Pelletizing Process -- 10.3. Pelletizing Costs -- 10.3.1. Pelletizing in Clayton County, Georgia -- 10.4. Markets for Pelletized Sludge -- 11. Innovative Technologies for Sludge Reuse -- 11.1. Introduction -- 11.2. Sludge to Oil - STORS -- 11.2.1. Process -- 11.2.2. Costs -- 11.3. Oil from Sludge -- 11.3.1. Process -- 11.3.2. Fate of Contaminants -- 11.3.3. Costs -- 11.4. Sludge to Energy - Hyperion Energy Recovery System -- 11.4.1. Process -- 11.4.2. Costs -- 11.5. Sludge Bricks and Tiles -- 11.5.1. Process -- 11.5.2. Costs -- 12. Regulatory Limitations -- 12.1. General Issues -- 12.1.1. Permitting -- 12.1.2. Monitoring -- 12.2. The Part 503 Regulations -- 12.2.1. Numerical Limits for Contaminants -- 12.2.2. "Exceptional Quality" Sludge -- 12.2.3. Pathogen Reduction Requirements -- 12.2.3.1. Class A Sewage Sludge -- 12.2.3.2. Class B Sewage Sludge -- 12.2.4. Vector Attraction Reduction Requirements -- 12.2.5. Management Practices for Land Application -- 12.3. Research on the Fate of Heavy Metals -- 12.3.1. Cadmium -- 12.3.2. Lead -- 12.3.3. Mercury -- 12.3.4. Chromium -- 12.3.5. Copper, Nickel, and Zinc -- Index.
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