Maintaining a high negative pressure in airborne infection isolation rooms of hospitals (over -10 Pa) and in renovation sites (over -5 Pa) effectively limits the dispersion of airborne contaminants and dust, a new study from ...
Health
Dec 18, 2018
0
1
During cold start, a car engine emits far more particulate matter and other pollutants than during warm conditions. This is because a cold catalytic converter is much less efficient at low exhaust gas temperatures. So what's ...
Materials Science
Dec 5, 2017
1
9
Reducing pollutant emission of vehicles and meeting stricter exhaust gas standards are major challenges when developing catalytic converters. A new concept might help to efficiently treat exhaust gases after the cold start ...
Materials Science
Oct 26, 2017
1
8
By now, it's no secret: the certification requirements for cars in the EU and in Switzerland have precious little to do with the cars' actual exhaust emissions on the roads. The "real" exhaust emissions are, therefore, determined ...
Environment
Apr 27, 2017
0
10
Chemists at Friedrich-Alexander Universität Erlangen-Nürnberg (FAU) have developed a process in which nitrogen oxides generated during industrial processes can be used in the manufacture of colourants and medicines. Using ...
Materials Science
Mar 15, 2017
0
5
In 2013, the International Maritime Organization (IMO) introduced new regulations to reduce exhaust emissions attributed to the shipping industry. Shipping is responsible for around 90% of global trade and the effect of reducing ...
Environment
Jun 27, 2016
0
13
Fresh-water gas exhaust scrubbers produce so little effluent that, in the future, it will be possible to build ships with zero effluent discharge into the sea, reveals a new study from the University of Vaasa, Finland.
Environment
Feb 23, 2016
0
4
Modern combustion engines become increasingly economical and clean. Engine developers, however, are now facing the technical conflict of whether fuel consumption or exhaust gas emission is to be further reduced. This Gordian ...
Energy & Green Tech
Feb 15, 2016
10
11
The scandal surrounding VW has thrust nitric oxide (NOx) emissions from diesel vehicles into the limelight. Owing to the different engine technologies, these have always been higher than in gasoline-powered cars. On the other ...
Energy & Green Tech
Oct 1, 2015
1
26
The world shipbuilding industry is facing drastically stricter requirements for emissions starting this year, and by 2020 emissions will need to be cut even more. Currently, as many as 60 per cent of the world's ports have ...
Engineering
Aug 31, 2015
0
34
