waste heat Articles

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Steam injection heating of biosolids & sludge for Anaerobic Digestion

by ProSonix  (Feb. 2, 2009)

The article focuses on the integration of Direct Steam Injection (DSI) heating as a method for heating of Municapal, Industrial, Food, & Agricultural wastewater streams. Common applications are anerobic digestion, biogas production, waste de-activation, and FOG (Fats-Oils-Grease) heating. Topics covered include how DSI works, how to select a ...

Influence of Decreasing Heating Value on MSW Combustion

by AquaConsoil  (Jan. 1, 2000)

Test runs in the TAMARA test facility to investigate the influence of decreasing lower heating value on the combustion of waste showed that the combustion quality could easily be kept constant at heating values exceeding 5 MJ/kg. The burnout of grate ashes and flue gas had slightly fallen off at lower heating values whereas the level of PCDD/F in ...

Small-scale heat and power at B.C. mills

by BioEnergy Conference & Exhibition  (Jun. 1, 2008)

Fred Scott introduced the B.C. Bioenergy Network (BCBN) as an alliance between Pristine and Nexterra Energy Corp. BCBN is a network of 15–20 individuals, with 10 MW power plants located across B.C. at mill operations in forest communities. Nexterra has developed a proprietary gasification technology that “takes wood waste material and [produces] ...

Spilled heavy grade heating oil case study

by Bio Systems Europe  (Aug. 9, 2013)

Heavy fuel oil escaped from a storage tank and entered the drainage system of a large creamery. This material passed to the aerated balance tank which precedes an activated sludge system treating the factory waste waters. Alerted to the spillage the operators were able to shut off the flow to the activated sludge system but not before a ...

Energy Savings on Process Heating Units Case History

by Control Instruments Corporation  (Oct. 8, 2013)

The Customer This specialty chemical company is a leading supplier of performance polymers. Their products are used in a wide range of applications including adhesives, coatings, consumer and personal care products, sealants, lubricants, medical, packaging, automotive, paving, roofing and footwear products. The Project The company was ...

Domestic heating systems are more efficient with Scalewatcher

by Scalewatcher North America Inc  (Jan. 4, 2012)

In hard water areas plumbing, hot water systems and appliances quickly become encrusted with limescale resulting in increasing energy bills and the early renewal of boilers and appliances.  The award-winning, patented, Scalewatcher water-conditioner, from Scalewatcher North America, offers a simple and permanent solution to limescale thereby ...

Climate Change Initiatives are Heating Up in the United States

by Air & Waste Management Association (A&WMA)  (Nov. 1, 2006)

If you thought the reporting of greenhouse gas (GHG) emissions would not affect you, think again! The climate change issue is heating up in the United States even though we are not a party to the Kyoto Protocol. With the number of extreme weather events tripling in the past 50 years, the global average level of the sea increasing, and the amount ...

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 ...

WIRAJASA Waste Oil Burner

by CV Wirajasa Teknik Industri  (Apr. 30, 2013)

Brief description on our patented Waste Oil Burner that was introduced in 2008. This innovative device works on two key principles namely pre-heating of waste oil and application of super-heated water or sub-critical steam to enhance the oxidation of heavy oil. Heating capacity of this burner is adjustable starting from 700,000 BTU/hour to ...

Energy waste the size of Japan

by Energy Efficiency Markets  (Jul. 22, 2010)

Here is a startling fact: US power plants waste more energy than many countries use, including advanced economies like that of Japan. The wasted energy is in the form of heat thrown off when power plants produce electricity. This is one of the points being brought to light by the International District Energy Association (IDEA), as it promotes ...

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