This is a collection of 172 solved problems from the textbook Pollution Prevention & Control - En... more This is a collection of 172 solved problems from the textbook Pollution Prevention & Control - Energy Management
This Energy Management textbook is about understanding and using the law of conservation of energ... more This Energy Management textbook is about understanding and using the law of conservation of energy. Topics include making the energy balance,. the chemical energy avail;able from fuels and waste materials, incineration of waste materials, capturing and using heat, using gases from anaerobic waste processing and landfills, heat exchanger networks, and energy management for pumping and aeration. Many examples and case studies are used for instruction
... of order (pd) b delay parameter B backward shift operator ch autecovariances of time series d... more ... of order (pd) b delay parameter B backward shift operator ch autecovariances of time series d, modified autocovariances of time series Czy cross covariance d order of the differencing operatorIMA(d, q ... 4)pBI' z', = z, - ~bk = autoregressive parameter at lag ka, = white noise (or ...
The extensive pentachlorophenol (PCP) contamination and its increasing treatment costs motivate t... more The extensive pentachlorophenol (PCP) contamination and its increasing treatment costs motivate the search for a more competitive treatment alternative. In a municipal wastewater treatment plant, anaerobic sludge-handling processes comprises three bio-processes, namely the anaerobic sludge digestion, post-sludge digestion and sludge land application, which reduce sludge organic content and make sludge a good fertilizer for land application. Availability and effectiveness make the anaerobic sludge handling processes potential technologies to treat PCP-contaminated soil. The technical feasibility of using anaerobic sludge bioprocesses was studied by treating PCP soil in two pilot digesters to simulate the primary sludge digestion, in serum bottles to mimic the post-sludge digestion, and in glass pans to represent the on-site sludge application. For primary digestion, the results showed that up to 0.98 and 0.6 mM of chemical and soil PCP, respectively, were treated at nearly 100% and 97.5% efficiencies. The PCP was transformed 95% to 3-MCP, 4.5% to 3,4-DCP, and 0.5% to 3,5-DCP. For post-digestion, 100% pure chemical PCP and greater than 95% soil PCP were removed in less than 6 months with no chlorophenol residues of any kind. Complete removal of PCP by-products makes this process a good soil cleanup method. For on-site treatment, PCP was efficiently treated by multiple sludge application; however, the PCP residue was observed due to the high initial PCP content in soil. Overall, more mass PCP per unit sludge per day was processed using the primary sludge digestion than the on-site soil treatment or post-sludge digestion. And, sludge acclimation resulted in better PCP treatment efficiencies with all three processes.
This is a collection of 172 solved problems from the textbook Pollution Prevention & Control - En... more This is a collection of 172 solved problems from the textbook Pollution Prevention & Control - Energy Management
This Energy Management textbook is about understanding and using the law of conservation of energ... more This Energy Management textbook is about understanding and using the law of conservation of energy. Topics include making the energy balance,. the chemical energy avail;able from fuels and waste materials, incineration of waste materials, capturing and using heat, using gases from anaerobic waste processing and landfills, heat exchanger networks, and energy management for pumping and aeration. Many examples and case studies are used for instruction
... of order (pd) b delay parameter B backward shift operator ch autecovariances of time series d... more ... of order (pd) b delay parameter B backward shift operator ch autecovariances of time series d, modified autocovariances of time series Czy cross covariance d order of the differencing operatorIMA(d, q ... 4)pBI' z', = z, - ~bk = autoregressive parameter at lag ka, = white noise (or ...
The extensive pentachlorophenol (PCP) contamination and its increasing treatment costs motivate t... more The extensive pentachlorophenol (PCP) contamination and its increasing treatment costs motivate the search for a more competitive treatment alternative. In a municipal wastewater treatment plant, anaerobic sludge-handling processes comprises three bio-processes, namely the anaerobic sludge digestion, post-sludge digestion and sludge land application, which reduce sludge organic content and make sludge a good fertilizer for land application. Availability and effectiveness make the anaerobic sludge handling processes potential technologies to treat PCP-contaminated soil. The technical feasibility of using anaerobic sludge bioprocesses was studied by treating PCP soil in two pilot digesters to simulate the primary sludge digestion, in serum bottles to mimic the post-sludge digestion, and in glass pans to represent the on-site sludge application. For primary digestion, the results showed that up to 0.98 and 0.6 mM of chemical and soil PCP, respectively, were treated at nearly 100% and 97.5% efficiencies. The PCP was transformed 95% to 3-MCP, 4.5% to 3,4-DCP, and 0.5% to 3,5-DCP. For post-digestion, 100% pure chemical PCP and greater than 95% soil PCP were removed in less than 6 months with no chlorophenol residues of any kind. Complete removal of PCP by-products makes this process a good soil cleanup method. For on-site treatment, PCP was efficiently treated by multiple sludge application; however, the PCP residue was observed due to the high initial PCP content in soil. Overall, more mass PCP per unit sludge per day was processed using the primary sludge digestion than the on-site soil treatment or post-sludge digestion. And, sludge acclimation resulted in better PCP treatment efficiencies with all three processes.
Cost Engineering for Pollution Prevention & Control was published by CRC Press in 2021. The book ... more Cost Engineering for Pollution Prevention & Control was published by CRC Press in 2021. The book was designed to satisfy the natural desire engineering students to understand decisions about money, the design process, estimating capital and operating costs, the time value of money, budgets and project financing, managing projects and financing, rate making, how to build and solve models for linear and nonlinear optimization, evaluating uncertainty and variability and risk, and how efficient experiments are designed to provide information design and operation. The book has 298 homework problems. Here the problems are given with their solutions. We hope this will be a valuable resource for teachers.
Chemical Processes for Pollution Prevention & Control, published by CRC Press in 2021, is about t... more Chemical Processes for Pollution Prevention & Control, published by CRC Press in 2021, is about the application of chemistry to solving problems in pollution prevention and control. That book did not have homework problems. This collection of 228 problems with solutions is presented as a resource for teachers. The chapters are Pollution & Pollutants, Organic Pollutants, Stoichiometry, Empirical Stoichiometry, Acid-base Reactions, Precipitation Reactions, Oxidation-Reduction Reactions. The final chapter is Green Chemistry, the rearrangement and redesign of reactions and manufacturing processes to reduce and eliminate waste , toxic reagents, and undesirable by-products.
This is the solution manual for 265 homework problems from Statistics for Environmental Engineer... more This is the solution manual for 265 homework problems from Statistics for Environmental Engineers, 2nd ed.
It is important to encourage engineers to see statistics as a professional tool. One way to do th... more It is important to encourage engineers to see statistics as a professional tool. One way to do this is to show them examples similar to those faced in one’s own work. This book is about how to generate informative data and how to extract information from data. There are 54 short chapters, each presenting a statistics problem, and explanation of a statistical method and a solution. Most of these come from our work as environmental engineers. The goal is for the reader to be able to “dip in” where the case study or the statistical method stimulates interest without having to study the book from front to back, or in any particular order.
For most of the examples in this book, the environmental engineer will have a good idea how the test specimens were collected and how the measurements were made. This creates a relevance and reality that makes learning more pleasant and effective.
Topics include the graphical data analysis, t-tests, confidence intervals, accuracy and precision, laboratory quality control, control charts, data smoothing, factorial and fractional factorial experimental designs, linear and nonlinear regression, empirical and mechanistic model building, and an introduction to time series analysis
Exercises for self-study and classroom use have been added to all chapters. A solutions manual is available on this site.
This is a collection of 198 homework problems and solutions for the textbook Pollution Prevention... more This is a collection of 198 homework problems and solutions for the textbook Pollution Prevention & Control - Human Health & Environmental Quality
This is a collection of 172 solved problems from the textbook Pollution Prevention & Control - En... more This is a collection of 172 solved problems from the textbook Pollution Prevention & Control - Energy Management
A material balance is needed on every pollution prevention and control problem to quantity and ke... more A material balance is needed on every pollution prevention and control problem to quantity and keep track of the flow of material through the system. It is the implementation of the law of conservation of mass. The objective of this textbook is to develop this fundamental skill for making material balances in a variety of application. Basic units and calculations are explained and application include chemical processes, biological processes, reactor design, and water conservation and reuse. There are 257 homework problems. A solution manual is available on this site
This collection of problems and solutions is a teaching resource and a companion to Pollution Pre... more This collection of problems and solutions is a teaching resource and a companion to Pollution Prevention & Control: Human Health and Environmental Quality
This textbook is about the interaction of humans with that natural cycles that protect and threat... more This textbook is about the interaction of humans with that natural cycles that protect and threaten the health of humans and the natural environment. Topics include the hydrologic and nutrient cycles, toxic chemicals and limits to protect human and aquatic life, and yjhe movement and fate of pollutants in the air, water, and soil. A collection of problems and solutions is available as companion publication. A companion book of homework problems and solution is available on this site.
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For most of the examples in this book, the environmental engineer will have a good idea how the test specimens were collected and how the measurements were made. This creates a relevance and reality that makes learning more pleasant and effective.
Topics include the graphical data analysis, t-tests, confidence intervals, accuracy and precision, laboratory quality control, control charts, data smoothing, factorial and fractional factorial experimental designs, linear and nonlinear regression, empirical and mechanistic model building, and an introduction to time series analysis
Exercises for self-study and classroom use have been added to all chapters. A solutions manual is available on this site.