and synthetically produced aqueous urea solution. Trucks and heavy commercial vehicles with SCR technology attain the Euro 4 exhaust gas emission standards prescribed from 2006 and will, in an improved version, also be able to meet the next stage, Euro 5, which comes into effect from 2009. Supplies
Catalytica Energy Systems’ diesel exhaust system validated
- Publisher
- Elsevier Science
- Year
- 2003
- Weight
- 36 KB
- Volume
- 2003
- Category
- Article
- ISSN
- 1351-4180
No coin nor oath required. For personal study only.
✦ Synopsis
Microbial synthesis of methanol
A mixture of methane, oxygen, and nitrogen are fed to a fixed-bed bioreactor containing Methylocadum bacteria. The process operates at 50°a nd atmospheric pressure, releasing methanol vapour. Methanol is recovered by condensation and unreacted methane is recycled. The process is being developed by Osaka Gas Co and Kansai Research Institute and may prove useful for producing methanol from stranded natural gas wells.
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now, the company's issued patents have focused on the use of ammonia gas as the most efficient and costeffective means of reducing NOx emissions through a technology called Selective Catalytic Reduction (SCR), in which the company is the innovator for automotive retrofit applications. The new patent