waste heat Articles

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Future-oriented further developments: wastewater heat utilization plants with a return on investment (ROI) of 2 - 6 years

by RABTHERM AG  (Mar. 9, 2015)

Sewage is dirty and stinks. Out of sniffing distance – out of mind. Up until the 1980s sewage was taboo and not given the attention it deserves. One cold winter morning in 1988, 23 years ago, Urs Studer stopped beside a steaming manhole cover and wondered how such a source of heat could go untapped. Ever since he has been dedicating himself ...

Are GAS-FIRED Burner Technologies Really The Best Choice for ISTR Cleanups?

by Soil-Therm Equipment, Inc.  (Mar. 16, 2015)

Its an exciting time. In-Situ Thermal Remediation (ISTR) shows great promise and has proven to be an extremely effective method for cleaning a wide range of Contaminants of Concern (COC’s) at contaminated sites. Most recently, gas-fired soil heating technologies are entering the market with promises of much cheaper natural gas heating, ...

Case-study - Utilising waste heat for water production and climate control

by Climate-KIC  (Jan. 23, 2015)

Water purification is needed to produce high quality water for consumption, agriculture and industrial needs. Conventional water treatment processes, like distillation and reverse osmosis, consume vast amounts of energy. However, there is a large potential for significant reductions in energy consumption and CO2 emissions in this sector. It can be ...

Utilizing Waste Heat For Power

by ElectraTherm  (Dec. 2, 2014)

Continuous duty gen-sets provide base-load power generation in diverse applications around the globe. However, high fuel costs and engine maintenance are pain points felt by operators. A low-maintenance path to significant fuel savings and lower emissions is what the U.S. Department of Defense (DOD) had in mind when they approached ElectraTherm to ...

Influence of thermal and alkali pretreatment to solubilisation and biomethane production of garden waste

by Inderscience Publishers  (Mar. 6, 2015)

The objectives of this study were to determine the effect of pretreatment to the garden wastes under thermal and alkali conditions and to evaluate biochemical methane potential. In thermal pretreatment different temperatures and application times were examined and solubilisation improved by heating. Soluble chemical oxygen demand (sCOD) ...

Biogas CHP supplies in Uruguay electricity and heat case study

by Dreyer & Bosse Kraftwerke GmbH  (Jan. 16, 2015)

Dreyer & Bosse Kraftwerke as a seasoned manufacturer of CHP (Combined Heating and Power) has provided a complete CHP system of series Vita for generating heat and power for a wool producer in Uruguay. The biogas cleaning system including biogas cooler and activated carbon filter were ordered and delivered as well for a smooth operation. There ...

Case study - Green Machine generates power from waste heat at biogas facility in the Czech Republic

by ElectraTherm  (Nov. 21, 2014)

Biogas/Heat-to-Power Application on Two MWM Internal Combustion Engines Site: Brno, Czech Rep. Engine Max Power: 980kWe (currently limited to 900 kWe) Green Machine Gross Power Output Avg:  32-39 kWe Thermal Input to the Green Machine: 375-500kWt Hot Water Input Range: 86 - 92°C Hot Water Flow: 35 m3/hour Ambient Temperature: 0-25°C ...

ElectraTherm enters Canada’s natural gas compression market converting waste heat to power at a natural gas compressor station - Case study

by ElectraTherm  (Nov. 21, 2014)

ORC Application on a Waukesha 7042 Site: Alberta, Canada Gross Power Output Avg: 90kWe Hot Water Input Range: 110°C Hot Water Flow: 11 l/s ElectraTherm partnered with ConocoPhillips to install two Green Machines at a natural gas compression station in Cessford, Alberta, Canada. The two Green Machine 4400s, ElectraTherm’s ORC generators ...

Gaseous emissions during concurrent combustion of biomass and non-recyclable municipal solid waste

by Protea Limited  (Jan. 26, 2015)

Abstract Background: Biomass and municipal solid waste offer sustainable sources of energy; for example to meet heat and electricity demand in the form of combined cooling, heat and power. Combustion of biomass has a lesser impact than solid fossil fuels (e.g. coal) upon gas pollutant emissions, whilst energy recovery from municipal solid waste is ...

Energy produced from waste – experiences from Norway

by Cambi AS  (Dec. 20, 2014)

Summary The system for waste treatment tends to be similar in all part of Norway due to national environmental strategy and legislation demanding the municipalities to recycle and prevent pollution. The amount of waste increases as economy grows. According to data from Statistics Norway total amount of municipal solid waste (MSW) has increased ...

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