Results 71 to 80 of about 3,195,655 (177)

The system of complex recovery of low-potential secondary energy in the thermal technology scheme of pulp and paper production

Известия высших учебных заведений: Проблемы энергетики
RELEVANCE. Pulp and paper production is an energy-intensive industry with significant amounts of unused secondary energy resources (REM), especially low-potential heat (40-80°C). In the context of growing energy efficiency and environmental requirements,
M. V. Kalinina, L. V. Plotnikova
doaj   +1 more source

Energy and exergetic performance analyses of a sustainable freshwater harvesting system from domestic wastewater using stainless steel wire mesh and cellulose celdek packing

Case Studies in Thermal Engineering
Sustainable desalination technologies utilizing low-grade thermal energy are increasingly explored for decentralized water recovery in infrastructure-limited regions.
Manish Sonkar, Yojitha Kanathala, B. Kiran Naik, Kishore Singh Patel   +3 more
doaj   +1 more source

Contribution to Exemplary In-house Wastewater Heat Recovery in Berlin, Germany

Procedia CIRP, 2016
AbstractThermal energy recovery from wastewater can be established from centralized wastewater treatment plants and sewage systems. Little attention has been given to In-house wastewater; although it can potentially pave way towards a sustainable heat source.
Alnahhal, Samir, Spremberg, Ernesto
openaire   +1 more source

Using heat recovered from drain water and exhaust gases to enhance heat pump performance - Numerical study with economic and environmental insights

International Journal of Thermofluids
The energy crisis has gotten out of hand to the point where quick fixes are required. It goes without saying that a strong solution should either use renewable energy sources or manage the energy that is already available, such as through heat recovery ...
Rabih Murr, Jalal Faraj, Hicham El Hage, Mahmoud Khaled   +3 more
doaj   +1 more source

Treated Seawater as a Magnesium Source for Phosphorous Recovery from Wastewater—A Feasibility and Cost Analysis

Membranes, 2016
Conventional resources of phosphorous are at high risk of depletion in the near future due to current practices of its exploitation, thus new and improved exploration methodologies need to be developed to ensure phosphorous security.
Cejna Anna Quist-Jensen, Mads Koustrup Jørgensen, Morten Lykkegaard Christensen   +2 more
doaj   +1 more source

The characteristics of heat exchanger for local utilization of wastewater heat under different operating conditions

Известия высших учебных заведений: Проблемы энергетики
RELEVANCE. The authors research the local utilization of wastewater heat (in close proximity to the place of their formation) based on a heat exchanger.
V. A. Kunitskiy, S. V. Lukin
doaj   +1 more source

Domestic wastewater heat recovery

, 2017
The aim of this thesis is to study and explain the purpose and the function of drain water heat exchangers. The thesis goes over theory behind heat transfer and heat exchangers and presents the general solutions of domestic drain water heat recovery systems. Systems gone over in detail are the different general shower drain water heat recovery systems.
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Heat Recovery at Wastewater Treatment Plants Using Heat Pipe Heat Exchangers [PDF]

, 2018
An anaerobic digester is a part of a wastewater treatment technology and its role is to digest the wastewaters to treat biosolids. Anaerobic digesters typically operates at either 35�C to 37�C or 45�C, and biosolids must be heated from ambient ...
MANDIZADEH, MARZIEH
core  

The biofactories: Quantifying environmental benefits of the wastewater circular economy in Chile using life cycle assessment

Circular Economy
The wastewater circular economy promises improved environmental impacts within the food-water-energy nexus. This requires verification as the global sanitation sectors seek to improve environmental impacts and achieve integrated water management.
Madeline Frances Furness, Ricardo Bello-Mendoza, Leonor Patricia Güereca, Rolando Chamy Maggi   +3 more
doaj   +1 more source

Horizontal wastewater heat recovery heat exchanger, a model

, 2019
The residential and service sector amounts to approximately 40 percent of Sweden’s entire energy demand. In which 90 percent of that is used by households and non-residential buildings. All in all about 80 TWh are used for heating and the provision of hot water in households and non-residential buildings. Since heating has always been such a large part
openaire   +1 more source