Navigation Links
Ash from refuse could become hydrogen gas
Date:3/25/2013

Every year, millions of tons of environmentally harmful ash is produced worldwide, and is mostly dumped in landfill sites or, in some countries, used as construction material. The ash is what is left when rubbish has been burnt in thermal power stations. A researcher from Lund University in Sweden has now developed a technique to use the ash to produce hydrogen gas. The method is presented in a new thesis.

The technique has significant potential: 20 billion litres of hydrogen gas a year, or 56 gigawatt-hours (GWh). Calculated as electricity, the energy is the equivalent of the annual needs of around 11 000 detached houses. Hydrogen gas is valuable and is viewed by many as an increasingly important energy source, for example as a vehicle fuel.

"The ash can be used as a resource through recovery of hydrogen gas instead of being allowed to be released into the air as at present. Our ash deposits are like a goldmine", said Aamir Ilyas, Doctor of Water Resources Engineering at Lund University and the developer of the technique.

Refuse incineration is a widespread practice in Europe. The technique involves placing the ash in an oxygen-free environment. The ash is dampened with water, whereupon it forms hydrogen gas. The gas is sucked up through pipes and stored in tanks.

It is the heavy, grit-like bottom ash that is used. In combustion, a lighter fly ash is also formed. The bottom ash remains in quarantine, in the open air, at the site for up to six months to prevent leaching of environmentally harmful metals and the risk of hydrogen gas being formed, since accumulation of hydrogen during indoor storage can result in explosion.

"A bonus is that this method removes the risk of hydrogen gas. It also reduces the strain on our landfill sites."

In some countries, processed bottom ash is sometimes used as a construction material for roads and buildings. This doesn't happen at present in Sweden because the ash conta
'/>"/>

Contact: Dr Aamir Ilyas
aamir.ilyas@tvrl.lth.se
46-707-480-232
Lund University
Source:Eurekalert

Page: 1 2

Related biology news :

1. Young malaria parasites refuse to take their medicine, may explain emerging drug resistance
2. UF fossil bird study on extinction patterns could help todays conservation efforts
3. Breakthrough could lead to cheaper, more sustainable chemical production
4. Discovery could increase efficacy of promising cystic fibrosis drug
5. Microalgae could be a profitable source of biodiesel
6. Chemical gardens could hold the key to understanding the origins of life on Earth
7. IUPUI stem cell research could expand clinical use of regenerative human cells
8. Petroleum use, greenhouse gas emissions of automobiles could drop 80 percent by 2050
9. Study: Widespread test-and-treat HIV policies could increase dangerous drug resistance
10. Discovery could yield treatment for cocaine addicts
11. College kids who dont drink milk could face serious consequences
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:12/19/2014)... Research and Markets ( http://www.researchandmarkets.com/research/8kmfcn/iphone_5s ... "iPhone 5S Fingerprint Sensor - Apple/AuthenTec TMDR92 & ... offering. http://photos.prnewswire.com/prnh/20130307/600769 ... July 2012, Apple introduced the fingerprint reading feature ... only device of Apple incorporating such a feature, ...
(Date:12/19/2014)... , Dec. 18, 2014 Research and Markets ... of the "Micro Market Monitor: North America Perimeter ... http://photos.prnewswire.com/prnh/20130307/600769 The ... at a CAGR of 3.6% from 2014 to 2019. ... this market, Canada is expected ...
(Date:12/19/2014)...  23andMe, Inc., the leading personal genetics company, today ... differences in genetic ancestry of individuals from across ... immigrants first arrived more than four hundred years ago, ... as a meeting place for peoples from different continents. ... mixing of peoples with African, European, and American origins ...
Breaking Biology News(10 mins):iPhone 5S Fingerprint Sensor - Apple/AuthenTec TMDR92 & Sapphire - Technology Report 2Micro Market Monitor: North America Perimeter Security Systems Market (Intrusion Detection Sensor, Video Surveillance, Communication/Alarm and Notification, Access Control System) 2Micro Market Monitor: North America Perimeter Security Systems Market (Intrusion Detection Sensor, Video Surveillance, Communication/Alarm and Notification, Access Control System) 323andMe Study Sketches Genetic Portrait of the United States 223andMe Study Sketches Genetic Portrait of the United States 323andMe Study Sketches Genetic Portrait of the United States 4
... , This release is available in ... discovered a mechanism that helps to explain resilience ... work. The new findings, in the reward circuit ... high tech dragnet for compounds that boost the ...
... Researcher in the University of Bristol,s School of Biological Sciences ... as a cue to find coral reefs, but was amazed ... larvae which must quickly find a safe place to ... can do the same thing. The team designed a ...
... For years, researchers have known that resistance exercise training ... another force can be one of the most effective ... But many older people are unable to get the full ... as arthritis that prevent them from lifting enough weight to ...
Cached Biology News:Resilience factor low in depression, protects mice from stress 2Resilience factor low in depression, protects mice from stress 3Muscle mass in elderly boosted by combining resistance exercise and blood flow restriction 2
(Date:12/19/2014)... (PRWEB) December 19, 2014 Bioject ... developer and manufacturer of needle-free injection technology, today ... with Immunomic Therapeutics, Inc. (“ITI”) for ITI to ... with its LAMP™ vaccine platform. , In ... exclusive Worldwide license to the Biojector®-2000 that triggers ...
(Date:12/19/2014)... 2014 Charm Sciences is pleased to ... Detection of Aflatoxin M1 in raw commingled milk is ... party validation. The peer reviewed report of the validation ... for Agricultural and Fisheries Research (ILVO-T&V) has been published ... B1, the most toxic aflatoxin and a known carcinogen, ...
(Date:12/19/2014)... BioPlus Specialty Pharmacy (BioPlus), one ... of Nick Maroulis, Pharm.D. to the newly created position ... In this position, Dr. Maroulis will continue to manage ... of our multi-site pharmacies as the company expands. Dr. ... that time he has served in many different capacities ...
(Date:12/19/2014)... Ill. , Dec. 19, 2014 Naurex ... develop novel drugs for diseases of the central nervous ... president and chief executive officer, will present at the ... Riedel,s presentation will take place at 3:00 p.m. PST ... Francis in San Francisco, Calif. ...
Breaking Biology Technology:Bioject and Immunomic Therapeutics Enter into an Agreement for License of Needle-Free Technology for LAMP-vax Vaccines 2Bioject and Immunomic Therapeutics Enter into an Agreement for License of Needle-Free Technology for LAMP-vax Vaccines 3Charm Sciences Achieves Independent Validation of First 15 Minute Quantitative Screening Method for Aflatoxin M1 2BioPlus Specialty Pharmacy Promotes Dr. Nick Maroulis to Vice President of Specialty Pharmacy Services 2Naurex to Present at 33rd Annual J.P. Morgan Healthcare Conference 2
... politics aside, every biologist knows that men and women truly ... area where those differences come to the fore: around 80 ... Social play behaviors also differ greatly between the sexes - ... girls. , ,Early in human development, critical brain proteins known ...
... The life sciences company Promega announced on Tuesday a ... that had been pending before the U.S. District Court ... Promega will hold a worldwide non-exclusive license from Benitec ... DNA-directed RNA interference (ddRNAi) technology. Promega will also receive ...
... an online provider of digital sheet music, announced on Tuesday ... Group to provide Word Music's collection of Christian music on ... , ,Word Music, a division of Warner Music Group based ... music from Christian songwriters such as Amy Grant, Point Of ...
Cached Biology Technology:Gender hormones may lend to social disorder therapies 2