Air pollution by polycyclic aromatic hydrocarbons (PAH) emissions from fluidized-bed combustion (FBC) of coal were studied from VOC emissions, The PAHs generated in the combustion of a sub-bituminous coal in fluidized-bed combustion were analysed at different temperatures maintaining constant the ox
98/00832 Method and apparatus for manufacture of zeolite
- Publisher
- Elsevier Science
- Year
- 1998
- Weight
- 209 KB
- Volume
- 39
- Category
- Article
- ISSN
- 0140-6701
No coin nor oath required. For personal study only.
โฆ Synopsis
16 Fuel science and technology (fundamental science, analysis, instrumentation) time is estimated at around 3 years, which seems to be acceptable even for a private owner. A first simple design of a gas turbine using CO* as working fluid is also presented.
๐ SIMILAR VOLUMES
Ca(OH)z during the latter part of gasification. Fixed carbon conversion at 850ยฐC without calcium is 65% after 2 h, whereas the catalysts achieve complete gasification within 1 h. The apparent activation energy is almost unchanged by calcium addition and the main product is Hz. Calcium increases Hz a
and for a period of 10-3-10-2 s. The cycle is then repeated at a frequency of >350/min. The method may use as the raw material methane, ethane, or other gaseous hydrocarbons mainly produced during the separation of the large fraction of light hydrocarbons from petroleum gas. The method has a yield 2
Coal briquettes are manufactured with this mixing-heating apparatus. It includes a spiral vane positioned on the outer surface of rotation shaft for mixing raw materials along guideways of axial direction and a heating method for heating the raw materials. Heating is done inside the rotation shaft b
efficiency; the former gave the similar oil yield to that with tetralin solvent, while the latter did the lower yield because of its too high hydrogen acceptability. The liquefaction scheme for the higher efficiency is discussed in terms of reaction conditions including catalysts and solvents.