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1.发明授权公开(公告)号：US10370602B2
公开(公告)日：2019-08-06
申请号：US15694878
申请日：2017-09-04
Inventor： Tao Zhao , Bo Lai , Weiguang Yang , Dawei Wang , Xuewen Hao , Yanjie Zhou , Li Xu
Abstract: An apparatus for producing diesel fuel and jet fuel using Fischer-Tropsch synthetic oil, the apparatus including a hydrofining reactor, a hot separator, a first rectifying column, a hydrocracking reactor, a hydroisomerization reactor, a second rectifying column, a first mixing chamber and a second mixing chamber. The hydrofining reactor includes a raw material inlet and a hydrofining product outlet. The hot separator includes a separated oil outlet and a hydrofining product inlet which is connected to the hydrofining product outlet. The first rectifying column includes a tail oil fraction outlet, a diesel fraction outlet and a separated oil inlet which is connected to the separated oil outlet. The first mixing chamber includes a circulating hydrogen inlet, a first mixture outlet and a tail oil fraction inlet which is connected to the tail oil fraction outlet.
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Patent Agency Ranking
公开(公告)号：US10286389B2
公开(公告)日：2019-05-14
申请号：US15839835
申请日：2017-12-12
Inventor： Li Xu , Wanwan Wang , Youliang Shi
IPC: C10G2/00 , B01J21/00 , B01J21/04 , B01J21/06 , B01J29/04 , B01J29/85 , B01J32/00 , B01J35/02 , B01J35/10 , C01B39/02 , C01B39/54 , C10G47/20 , B01J27/185
Abstract: A carrier for selectively synthesizing kerosene fraction from syngas, the carrier including the following components in parts by weight: 5-50 parts of mesoporous zirconia (ZrO2), 10-55 parts of a silicoaluminophosphate (SAPO) molecular sieve, 5-50 parts of modified mesoporous molecular sieve Al-SBA-16, 1-3 parts of sesbania gum powder, and 10-70 parts of alumina A catalyst includes a soluble cobalt salt and the aforesaid carrier. The soluble cobalt salt is loaded on the surface of the carrier.
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公开(公告)号：US10227537B2
公开(公告)日：2019-03-12
申请号：US15673439
申请日：2017-08-10
Inventor： Bo Lai , Youliang Shi , Li Xu
Abstract: A method of hydrotreatment of Fischer-Tropsch synthesis products, the method including: 1) mixing Fischer-Tropsch wax with a sulfur-containing liquid additive, contacting a resulting mixture with hydrogen, feeding a hydrogen-containing mixture to a first reaction region, feeding an effluent from the first reaction region to a second reaction region, and carrying out hydrocracking reaction; 2) feeding a hydrocracking product from the second reaction region and Fischer-Tropsch naphtha and diesel fuel to a third reaction region, carrying out hydrofining reaction; feeding an effluent from the hydrofining reaction to a fourth reaction region, and carrying out hydroisomerizing pour-point depression reaction; and 3) feeding an effluent from the fourth reaction region to a gas-liquid separation system to yield hydrogen-rich gas and liquid products, recycling the hydrogen-rich gas, and feeding the liquid products to a distilling system.
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4.发明授权公开(公告)号：US09758844B2
公开(公告)日：2017-09-12
申请号：US14479268
申请日：2014-09-05
Inventor： Bo Lai , Li Xu , Yiming Han , Qianqian Liu , Dechen Song
CPC classification number: C22B11/06 , C22B11/026 , C22B11/048 , Y02P10/214
Abstract: A method for recovering ruthenium from a spent ruthenium-based catalyst carried on aluminum oxide includes: drying, calcining, and cooling a spent catalyst; grinding the spent catalyst into black powder; placing the black powder in a fluidized bed reactor, purging the reactor with hydrogen and heating the black powder to obtain ruthenium metal, then heating the black powder in a mixed atmosphere of oxygen and ozone to obtain RuO4 gas; absorbing the RuO4 gas with a sufficient amount of hydrochloric acid to obtain a H3RuCl6 solution; adding an excess oxidant to the H3RuCl6 solution to oxidize the H3RuCl6 into H2RuCl6; adding excess NH4Cl to the H2RuCl6 and then filtering, and washing the filter cake to obtain solid (NH4)2RuCl6; and reducing the solid (NH4)2RuCl6 by hydrogen to obtain ruthenium metal.
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5.发明授权Method for preparation of high purity, crystalline cobalt nitrate from spent cobalt/silica catalyst 有权从废钴/二氧化硅催化剂制备高纯度结晶硝酸钴的方法公开(公告)号：US08986644B2
公开(公告)日：2015-03-24
申请号：US14477909
申请日：2014-09-05
Inventor： Yiming Han , Qianqian Liu , Bo Lai , Li Xu , Dechen Song
CPC classification number: C22B23/0438 , C01G51/00 , C01G51/04 , C01P2006/80 , C07C51/412 , C22B1/005 , C22B3/0025 , C22B7/009 , Y02P10/214 , Y02P10/234 , C07C55/07
Abstract: A method for preparing crystalline cobalt nitrate. The method includes: 1) calcining a spent Co/SiO2 catalyst, cooling the calcined material to room temperature, and grinding it to yield a powder; 2) heating the powder in a fluidized bed reactor; 3) adding the heated powder into excess dilute nitric acid solution and filtering to obtain a cobalt nitrate solution; 4) adjusting the pH value of the cobalt nitrate solution to 1.5, adding a preheated oxalic acid solution, adjusting a pH value of the resulting solution to 1.5, immediately filtering the resulting solution to yield a precipitate of cobalt oxalate, washing the precipitate of cobalt oxalate to yield a neutral filtrate; 5) drying the precipitate and calcining to yield cobalt oxide; 6) dissolving the cobalt oxide in nitric acid to yield a second cobalt nitrate solution; and 7) evaporating the second cobalt nitrate solution to obtain crystalline cobalt nitrate.
Abstract translation: 制备结晶硝酸钴的方法。 该方法包括：1）煅烧废弃的Co / SiO 2催化剂，将煅烧后的材料冷却至室温，并研磨，得到粉末; 2）在流化床反应器中加热粉末; 3）将加热的粉末加入过量的稀硝酸溶液中并过滤得到硝酸钴溶液; 4）将硝酸钴溶液的pH调节至1.5，加入预热的草酸溶液，将所得溶液的pH值调节至1.5，立即过滤所得溶液，得到草酸钴沉淀物，洗涤钴沉淀物 草酸盐，得到中性滤液; 5）干燥沉淀并煅烧产生氧化钴; 6）将氧化钴溶解在硝酸中以产生第二硝酸钴溶液; 和7）蒸发第二硝酸钴溶液以获得结晶硝酸钴。
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公开(公告)号：US09795950B2
公开(公告)日：2017-10-24
申请号：US15350132
申请日：2016-11-14
Inventor： Wanwan Wang , Dechen Song , Li Xu
IPC: B01J21/04 , B01J23/28 , B01J23/755 , B01J23/883 , B01J29/48 , B01J29/78 , B01J35/02 , B01J37/00 , B01J37/02 , B01J37/04 , B01J37/06 , B01J37/08 , C10G49/04 , C10G49/08
CPC classification number: B01J29/7884 , B01J29/076 , B01J29/48 , B01J35/002 , B01J35/026 , B01J35/1019 , B01J35/1038 , B01J35/1042 , B01J35/1061 , B01J37/0018 , B01J37/009 , B01J37/02 , B01J37/0201 , B01J37/04 , B01J37/06 , B01J37/08 , B01J37/343 , B01J2229/16 , B01J2229/20 , B01J2229/36 , B01J2229/40 , B01J2229/42 , B01J2523/00 , C10G49/04 , C10G49/08 , C10G2300/1022 , C10G2300/1081 , B01J2523/68 , B01J2523/847
Abstract: A catalyst for preparing aviation fuel from synthetic oil obtained by Fischer-Tropsch process, including: between 20 and 50 percent by weight of an amorphous aluminum silicate, between 5 and 20 percent by weight of alumina, between 20 and 60 percent by weight of a hydrothermally modified zeolite, between 0.5 and 1.0 percent by weight of a Sesbania powder, between 0.5 and 5 percent by weight of nickel oxide, and between 5 and 15 percent by weight of molybdenum oxide. The invention also provides a method for preparing the catalyst.
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