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Tommy Ender, Vicky Shettigondahalli Ekanthalu, Haniyeh Jalalipour, Jan Sprafke and Michael Nelles
Hydrothermal carbonization (HTC) has developed considerably over the last 15 years and offers a viable alternative for the utilization of municipal and industrial organic waste such as sewage sludge. However, the technology has yet to establish itself as...
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Ranjot Kaur, Gurbax Singh Chhina, Mandeep Kaur, Rajan Bhatt, Khalid M. Elhindi and Mohamed A. Mattar
This study was carried out in Amritsar, Punjab, to find out how efficiently nutrients were used and how much energy was employed in direct-seeded rice (DSR) production. In this study, four levels of nitrogen (0, 40, 50, and 60 kg N ha-1) and three levels...
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Karla Lopez, Vitoria F. C. Leme, Marcin Warzecha and Paul C. Davidson
In efforts to reduce the consumption of fossil fuels and promote recycling biowaste, there is an interest in the production of post-hydrothermal liquefaction wastewater (HTL-AP) from the hydrothermal liquefaction (HTL) process that converts wet biomass i...
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Mike Louw, Sally Farrah, Max Maxwell and Sam Tomkins
For this special issue, sustainability and safety are discussed through the tropes of both material and work process substitution. As an architecture and industrial design team, we examine the potential of William McDonough?s and Michael Braungart?s ?cra...
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Sekato Maremane, Gladys Belle and Paul Oberholster
Rivers in Africa have experienced dire pollution as a result of the poor management of wastewater effluent emanating from water resource recovery facilities (WRRFs). An integrated wastewater resource recovery model was developed and applied to identify i...
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Mohd Imran Siddiqui, Hasan Rameez, Izharul Haq Farooqi and Farrukh Basheer
Rapid population growth and urbanization have resulted in a multi-fold increase in water consumption over the last few decades, resulting in the generation of large amounts of sewage and sewage sludge that impose severe environmental burdens if not handl...
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Alina Dereszewska and Stanislaw Cytawa
Technologies used in municipal wastewater treatment plants (WWTPs) allow the recovery of energy and valuable elements (phosphorus, nitrogen, and organic carbon) for the soil. This article presents, in schematic form, the carbon, nitrogen, and phosphorus ...
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Caterina Lucia, Daniela Pampinella, Eristanna Palazzolo, Luigi Badalucco and Vito Armando Laudicina
The citrus industry produces a large number of sludges as a consequence of citrus wastewater treatment. The correct disposal of citrus sewage sludges (CSSs) has been attempted using anaerobic digestion, aerobic digestion, and lime stabilization. However,...
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Grace A. Adegoye, Omolayo J. Olorunwa, Firas A. Alsajri, Charles H. Walne, Chaturika Wijewandana, Swatantra R. Kethireddy, Krishna N. Reddy and K. Raja Reddy
In humid climates, waterlogging from excessive rainfalls can be a major limiting factor for soybean production, particularly during the reproductive stage. However, there is a limited understanding of how soybean growth and physiology respond to waterlog...
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Mariana Brondi, Mohamed Eisa, Ricardo Bortoletto-Santos, Donata Drapanauskaite, Tara Reddington, Clinton Williams, Caue Ribeiro and Jonas Baltrusaitis
Ammonium carbonates are a group of fertilizer materials that include ammonium bicarbonate, ammonium carbonate hydrate, and ammonium carbamate. They can be synthesized from diverse nutrient-bearing liquid waste streams but are unstable in a moist environm...
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