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Sustainable Biochar for Water and Wastewater Treatment


Sustainable Biochar for Water and Wastewater Treatment
  • Author : Charles Pittman Jr.,
  • Publisher : Elsevier
  • Release : 2021-08-15
  • ISBN : 0128222255
  • Language : En, Es, Fr & De
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Sustainable Biochar for Water and Wastewater Treatment addresses the world-wide water contamination and scarcity problem by presenting an innovative and cost-efficient solution. This book directly deals with the SUSTAINABLE DEVELOPMENT GOAL 6: Ensure availability and sustainable management of water and sanitation for all. Each chapter is authored by a respected expert in the field of water and wastewater treatment, with each chapter including case studies, worked examples and exercises. As such, this book is the perfect introduction to the field and is multipurpose in that it can be used for teaching, learning, research and practice. This book is invaluable for undergraduate level and above in water science, environmental sciences, soil science, material sciences and engineering, chemical sciences and engineering, and biological sciences. Through Sustainable Biochar for Water and Wastewater Treatment various aspects of biochar requirements for use in adsorption science and technology are covered. It includes vital information on this hot topic and provides a real solution to the global issues of water contamination and scarcity. Presents case studies in each chapter, making this applicable for those who want to implement examples into their own work Each chapter includes example calculations with an exercise at the end of each chapter, making this a great teaching tool Includes excel spreadsheets online, perfect for use as a laboratory guide

Application of Biochar for Efficient Municipal Wastewater Treatment


Application of Biochar for Efficient Municipal Wastewater Treatment
  • Author : Abhishek Pokharel
  • Publisher :
  • Release : 2020
  • ISBN : OCLC:1242436632
  • Language : En, Es, Fr & De
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A more circular and therefore more sustainable economy requires us to value our waste. Something like wastewater can be an unconventional source of nutrients, energy, and water. Thus, far from being something to discard or ignore, wastewater can be a resource option. Similarly, biochar is the solid by-product of pyrolysis and its cascading use can offset the cost of the process. A wide variety of research on biochar has highlighted its ability to absorb/adsorb nutrients, metals, and complex compounds; filter suspended solids; enhance microorganisms' growth; retain water and nutrients as well as increase carbon content of soil. The thesis analyzes the effect of biochar in two biological treatment processes, activated sludge for municipal wastewater and anaerobic digestion for sludge at Charlottetown Pollution Control Plant located in the province of Prince Edward Island, Canada. The analysis is carried out using Response Surface Methodology for varied size and dose of two types of carbon, namely biochar from wood pallets and non-treated activated carbon (AC) sourced from Sigma Aldrich Inc. A higher COD removal efficiency of above 80%, 82% and 88% in the retention time of 1, 4 and 24 hours respectively is achieved in the region of lower size and higher dose for AC. Whereas, for similar condition and variations the reactor fed with biochar achieved COD removal efficiency of 60, 78 and 69 for hydraulic retention time (HRT) of 1, 4 and 24 hours, respectively. The study showed that the addition of AC and biochar improves the settleability of the sludge. However, the improvement was found to depend on carbon size and dose, irrespective of the carbon type use. A sludge volume index (SVI) as low as 37.33 was obtained with biochar. The response surface analysis showed that minimum SVI could be achieved with small size and higher dose of carbon material. It was also found that the use of carbon in anaerobic digestion has significant effect on the biogas yield and the quality of the biosolids. However, the study can only be a qualitative indication of AC and biochar effect in anaerobic digestion. There are far too many interaction and lurking effects caused due to addition of biochar and AC which in return effects the biogas yield and nutrient content of bio-solids. Moreover, biochar addition was found to be better than AC in anaerobic systems. This study has showed that types of biochar has significant impact on the biological systems in the wastewater treatment process and could be a viable way for valorization of wastewater. In addition, sustainable biochar systems are an attractive approach for carbon sequestration and total waste management cycle.

Geostatistical and Geospatial Approaches for the Characterization of Natural Resources in the Environment


Geostatistical and Geospatial Approaches for the Characterization of Natural Resources in the Environment
  • Author : N. Janardhana Raju
  • Publisher : Springer
  • Release : 2015-11-30
  • ISBN : 9783319186634
  • Language : En, Es, Fr & De
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These proceedings of the IAMG 2014 conference in New Delhi explore the current state of the art and inform readers about the latest geostatistical and space-based technologies for assessment and management in the contexts of natural resource exploration, environmental pollution, hazards and natural disaster research. The proceedings cover 3D visualization, time-series analysis, environmental geochemistry, numerical solutions in hydrology and hydrogeology, geotechnical engineering, multivariate geostatistics, disaster management, fractal modeling, petroleum exploration, geoinformatics, sedimentary basin analysis, spatiotemporal modeling, digital rock geophysics, advanced mining assessment and glacial studies, and range from the laboratory to integrated field studies. Mathematics plays a key part in the crust, mantle, oceans and atmosphere, creating climates that cause natural disasters, and influencing fundamental aspects of life-supporting systems and many other geological processes affecting Planet Earth. As such, it is essential to understand the synergy between the classical geosciences and mathematics, which can provide the methodological tools needed to tackle complex problems in modern geosciences. The development of science and technology, transforming from a descriptive stage to a more quantitative stage, involves qualitative interpretations such as conceptual models that are complemented by quantification, e.g. numerical models, fast dynamic geologic models, deterministic and stochastic models. Due to the increasing complexity of the problems faced by today’s geoscientists, joint efforts to establish new conceptual and numerical models and develop new paradigms are called for.

Sustainable eco technologies for water and wastewater treatment


Sustainable eco technologies for water and wastewater treatment
  • Author : Eldon Rene
  • Publisher : IWA Publishing
  • Release : 2020-03-15
  • ISBN : 9781789061369
  • Language : En, Es, Fr & De
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One of the major challenges in the world is to provide clean water and sanitation for all. With 3% fresh water reserves in the earth, there are more than 1 billion people who still lack access to clean drinking water. The declining water quality has not only reduced the life expectancy of humans, but it has also contributed to the deleterious negative impacts on aquatic/marine life, flora, fauna and the ecosystem. However, with rapid technological advancements and the availability of advanced scientific instruments, there has been substantial improvement in the design and operation of water and wastewater treatment systems. Recently, these sustainable eco-technologies have been designed and operated to offer the following advantages: (i) a smaller footprint, (ii) less maintenance, (iii) >99% removal of contaminants, (iv) provides the option for resource recovery, (v) less energy consumption, (vi) minimal use of chemicals, and (vii) less investment and operational costs. This book highlights the technologies used for the removal of pollutants such as dyes, uranium, cyanotoxins, faecal contamination and P/N compounds from water environments, and shows that ecotechnologies are becoming more and more important and playing critical role in removing a wide variety of organic and inorganic pollutants from water. In Focus – a book series that showcases the latest accomplishments in water research. Each book focuses on a specialist area with papers from top experts in the field. It aims to be a vehicle for in-depth understanding and inspire further conversations in the sector.

Industrial and Municipal Sludge


Industrial and Municipal Sludge
  • Author : Majeti Narasimha Vara Prasad
  • Publisher : Butterworth-Heinemann
  • Release : 2019-04-16
  • ISBN : 9780128159088
  • Language : En, Es, Fr & De
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Industrial and Municipal Sludge: Emerging Concerns and Scope for Resource Recovery begins with a characterization of the types of sludge and their sources and management strategies. This section is followed by specific chapters that cover Emerging contaminants in sludge (Endocrine disruptors, Pesticides and Pharmaceutical residues, including illicit drugs/controlled substances), Bioleaching of sludge [with an enriched sulfur-oxidizing bacterial community, Recovery of valuable metals (Bioleaching and use of sulfur-oxidizing bacterial community, and Biogas production by continuous thermal hydrolysis and thermophilic anaerobic digestion of waste activated sludge. In addition, the book includes numerous tables and flow diagrams to help users further comprehend the subject matter. Includes numerous tables and flow diagrams to assist in the comprehension of new and existing sludge treatments and resource recovery technology Covers biogas production by continuous thermal hydrolysis and thermophilic anaerobic digestion of waste activated sludge Presents information on the recovery of valuable metals from sludge (bioleaching and the use of a sulfur-oxidizing bacterial community) Includes opportunities and challenges in the biorefinery-based valorization of pulp and paper sludge