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    • 14. 发明申请
    • Process, Method, and System for Removing Heavy Metals from Oily Solids
    • 从油性固体中去除重金属的工艺,方法和系统
    • US20140275665A1
    • 2014-09-18
    • US13804172
    • 2013-03-14
    • Dennis John O'RearRussell Evan CooperFan-Sheng Teddy TaoRonald Hobbs
    • Dennis John O'RearRussell Evan CooperFan-Sheng Teddy TaoRonald Hobbs
    • C10G1/00
    • C10G1/002C10G1/045
    • Oil is recovered from a mercury containing oily solids by mixing the solids with at least a treating agent selected from selected from flocculants, sulfidic compounds, demulsifiers, and combinations thereof, and optionally a solvent, forming a mixture. The mixture is then separated to recover a first phase containing treated oil having less than 50% of the original amount of mercury in the oily solids, and a second phase containing treated solids having a reduced concentration of mercury. The oily solids are selected from drilling muds; oily sediments coating inside of pipelines; sediment deposits on crude oil tanks, vessels, and separators; surface coating on equipment; slop oil from upstream operations; oily solids from heavy oil processing operations; solids recovered from processes for removing mercury from hydrocarbon materials; spill clean-up materials; and mixtures thereof.
    • 通过将固体与至少一种选自絮凝剂,硫化合物,破乳剂及其组合的处理剂以及任选的溶剂混合形成混合物,从含汞油状固体中回收油。 然后将混合物分离以回收含有少于油状固体中原始汞含量的50%的经处理的油的第一相,以及含有具有降低的汞浓度的经处理的固体的第二相。 油状固体选自钻井泥浆; 管道内部含油沉积物; 原油罐,船舶和分离器上的沉积物沉积物; 设备表面涂层; 上游作业油; 重油加工作业的油性固体; 从烃类材料中除去汞的方法中回收的固体; 溢出清理材料; 及其混合物。
    • 17. 发明授权
    • Process, method, and system for removing heavy metals from oily solids
    • 从油性固体中除去重金属的工艺,方法和系统
    • US09234141B2
    • 2016-01-12
    • US13804430
    • 2013-03-14
    • Dennis John O'RearRussell Evan CooperKevin John Grice
    • Dennis John O'RearRussell Evan CooperKevin John Grice
    • C10G21/08
    • C10G21/08C10G1/04C10G1/042C10G1/045
    • Oil is recovered from a mercury containing Hg-containing solids containing abradants by mixing the solids with a sulfidic compound in a molar ratio of sulfur compound to mercury from 5:1 to 5,000:1, and the sulfidic compound when dissolved in water, yields S2-, SH—, Sx2-, or SxH— anions, and optionally a solvent, forming a mixture. The mixture is then separated to recover a first phase containing treated oil in water, and a second phase containing treated abradants having a reduced concentration of mercury. In one embodiment, the treated abradants contain less than 100 ppmw mercury. The abradants are provided by removing at least a portion of a mercury-containing coating from a surface by abradant blasting, laser ablation, laser thermal desorption, and sponge jet blasting.
    • 通过将硫化合物与硫化合物与汞的摩尔比为5:1至5,000:1混合固体和溶解在水中的硫化合物,从含有汞的含汞固体含有研磨剂中回收油,得到S2 - ,SH-,Sx2-或SxH-阴离子,和任选的溶剂,形成混合物。 然后分离混合物以回收含水中处理过的油的第一相,以及含有具有降低的汞浓度的经处理的研磨剂的第二相。 在一个实施方案中,经处理的研磨剂含有小于100ppmw的汞。 通过研磨喷砂,激光烧蚀,激光热解吸和海绵喷射喷砂,从表面除去至少一部分含汞涂层来提供研磨剂。