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New Siemens study on biodrying: end-product can be used as fertilizer or fuel

Industry requests for a versatile biosolids end-product that could be produced using less energy fueled Siemens Water Technologies  to conduct a pilot study focusing on Mechanically Enhanced Biodrying (MEB) as a new application of the existing Siemens IPS composting technology. The study illustrated how the IPS system serves a dual purpose by biodrying materials for fertilizer or fuel while using minimal energy expenditure, compared to conventional drying methods. It was determined that an automated, agitated bin composting technology could achieve 65 percent solids concentration (35 percent moisture) in biosolids by using only the finished dried product as the amendment.
In the pilot study, the IPS Composting System was found to consistently dry to 65 percent solids …

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Base Oil Groups – A relook

UNDERSTANDING BASE OIL
Base Oils
Lubricants have been around since ancient times. The Petroleum-based Lubricants business started in mid 1800′s. The initial processing was limited to separation by boiling point. Most people know the key driver of the production for lubricants are Base Oils.
Mineral Base Oil
Modern mineral base oils are the result of a long and complex distillation and refining processes. The feedstock used is crude oil. This substance is not of uniform quality but consists of several thousands of hydrocarbon compounds in which the elements carbon and hydrogen are present in all molecules and, in part, are bound to other elements.
The hydrocarbons can be divided into three main groups: paraffinic, naphthenic and aromatic.
Paraffinic hydrocarbons can be …

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Will Hydrogen Ever Be Developed Into An Effective Fuel?

Hydrogen is another source of fuel that can be used to power a car and other types of motorized vehicles. This includes wheelchairs, boats, submarines, cars, buses, tractors, motorbikes, trains, rockets, and aircraft. These vehicles can run on hydrogen as they convert its chemical energy into mechanical energy. This is done by burning hydrogen in an internal combustion engine or by reacting hydrogen and oxygen in a fuel cell which can then be used to generate electric motors. This makes hydrogen a very attractive type of alternative fuel in present world.
However, hydrogen is not considered to be a source of energy as it is not one of the natural elements of the earth. Instead, it …

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Waste chip fat fuels hydrogen economy

Don’t pour that dirty fat from the frier down the sink – it could be used to make the fuel of the future.
Hydrogen has been tipped as a cleaner, greener alternative to fossil fuels. But scientists have struggled to find a way to make it that doesn’t consume vast amounts of energy, use up scarce natural resources, or spew out high levels of greenhouse gas.
Researchers at the University of Leeds have now found an energy-efficient way to make hydrogen out of used vegetable oils discarded by restaurants, takeaways and pubs. Not only does the process generate some of the energy needed to make the hydrogen gas itself, it is also essentially carbon-neutral.
“We are working towards …

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Student Researchers Transform Waste Plastic Into an Alternative Fuel

Student researchers at Northeastern University have designed an apparatus to convert plastic waste into clean energy without releasing harmful emissions.
Under the leadership of Yiannis Levendis, distinguished professor of mechanical and industrial engineering, a team of undergraduate and graduate engineering students developed a waste combustor, which breaks down non-biodegradable plastics to create an alternative source of fuel.
Their prototype was featured at the fifth annual MIT Energy Conference this past March. The team worked for nine months on the research, which, for the undergraduates, was their senior capstone project.
Self-sustainability is the key to the double-tank combustor design. Plastic waste is first processed in an upper tank through pyrolysis, which converts solid plastic into gas. Next, the gas …

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