The oil sand bitumen was formed by the biologically degraded crude oil which originates from terrigenous organic matter.
结果表明，其为陆源湖相有机质生成的原油经生物氧化降解形成的。
Thermal visbreaking of inner Mongolia oil-sand bitumen was conducted at several temperatures for different lengths of time in the laboratory.
对内蒙油砂沥青在不同的温度和时间进行减黏裂化研究。
Oil sands consist of clay, sand, and other minerals, coated in water and thick, viscous oil called bitumen (or asphalt).
油砂包含有粘土、沙子和其它矿物，由水和粘稠的沥青把它们混合在一起。
To get usable oil from this mixture, producers have to separate the bitumen from the sand using hot water, and then process the bitumen into crude oil.
为了从混合物中得到油，开采者用热水把沥青跟沙子分开，再把沥青加工成原油。
This needs lots of water and energy, and yields the notorious "tailings", a residue of sand, unclaimed bitumen, water, clay particles and contaminants.
这个分离过程需要消耗大量的水和能量，并产生了声名狼藉的“尾矿”，这些尾矿由剩下来的砂子、残存的沥青、水、黏土颗粒和污染物组成。
At present, the commercial method to extract bitumen from oil sand is Hot Water Extraction Process.
目前国外商业上使用的油砂沥青分离方法是水洗分离。
At present, the commercial method to extract bitumen from oil sand is Hot Water Extraction Process.
目前国外商业上使用的油砂沥青分离方法是水洗分离。
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