This invention relates to a process and apparatus for removing asphalt or bituminous materials from asphaltic petroleum oils, and more particularly for the recovery of valuable oil constituents and the production of marketable asphalt. The asphalt used for making roads and for various purposes......
Method for removing colloid asphalt from catalytic slurry oil by using solid-phase adsorbentdoi:CN101921608 B本发明公布了一种固相吸附剂脱除催化油浆中胶质沥青的方法,先将催化油浆用烃类溶剂稀释后加入固相吸附剂,吸附,过滤,得到吸附沥青的固相吸附剂和含沥青油溶液的滤液;吸附沥青的固相吸附剂用烃类溶剂洗涤,...
The apparatus for removing oil from a compressed gas flow includes a separator in which the oil is removed and initially collected as well as a vessel for receiving the collected oil from time-to-time. The vessel is disposed below the separator and communicates therewith by way of connecting ...
XCM G 8m3 new intelligent asphalt distributor trailer truck XLS803 for saleHot Sale Dongfeng 6CBM Asphalt Spray Hot Oil Bitumen Asphalt Distributor Truck with Factory PriceChina Used Products 2000mm Large Road Cold Milling Machine W195 for Road Constructiontileswood tileold floor tilegres tileDouble...
from heavy oil such as crude oil, heavy oil, asphalt, tar, sand oil, shale oil, coal liquefaction oil, etc. effectively, when the agent is allowed to contact with said heavy hydrocarbon oil at ca. 100-500 deg.C. 展开 收藏 引用 批量引用 报错 分享 ...
residual oil mixed into the extraction column isolated deasphalting oil and bitumen phase, asphalt throttling phase of rapid expansion through direct way to make a high softening point of bitumen spray dispersed solid particles, in particular gas-solid separator achieve bitumen separated from the ...
discloses adding a chlorinated hydrocarbon to the oil as a solids-precipitating agent. U.S. Pat. No. 2,144,409, M. Pier et al, discloses a process for removing solids and hard asphalts from an oil by adding C6-C10hydrocarbon solvent to the oil, the latter being at a temperature near...
Methods and systems of removing color bodies from vacuum gas oil. The methods and systems include mixing the oil and N-Methyl-2-pyrrolidone (NMP) within one or more columns. After m
This invention relates to a process for removing deposits of an oily, greasyl waxy or asphaltic nature, hereinafter referred to generically as "greasy deposits," from surfaces soiled therewith, more particularly to a process for removing grease and dirt from concrete garage floors. As is well ...
complex aromatic ring structures containing O, N, S and heavy metals. They occur widely in heavy oil-producing formations, giving such crude oils their color; heavier, black-oil crudes will typically have higher asphaltene content. Asphaltenes also comprise a major component of native asphalts and...