公开(公告)号：US20030105170A1

公开(公告)日：2003-06-05

申请号：US10252620

申请日：2002-09-23

Applicant: Conoco Inc.

Inventor： Kandaswamy Jothimurugesan ,  Rafael L. Espinoza ,  Nithya Srinivasan

IPC: C07C027/06 ,  B01J021/08

CPC classification number: C10G2/332 ,  B01J21/08 ,  B01J23/75 ,  B01J23/8913 ,  B01J35/0053 ,  B01J35/10 ,  B01J35/1014 ,  B01J35/1061 ,  B01J37/0201 ,  B01J37/031 ,  C10G2/333

Abstract: The present invention teaches a method for increasing the cobalt surface area per gram of catalyst in a cobalt Fischer-Tropsch catalyst, supported on a silica-based carrier material, by using cobalt amine carbonate precursors. A Fischer-Tropsch catalyst preferably includes a catalytically active first metal containing cobalt, and a carrier material containing silica or a silica compound with a cobalt surface area greater than 13 m2/g catalyst. The catalyst active in the FT reaction has a minimum alpha value of 0.87 and a CO conversion of 24 wt % or more. In accordance with another preferred embodiment, a process for producing a Fischer-Tropsch catalyst includes saturating silica or silica compounds with a solution of cobalt amine carbonate, removing the excess solution by filtration, heating the resulting product in order to allow cobalt hydroxycarbonate to precipitate, and drying and calcining the resulting product. Optionally the calcined product is reduced.

Abstract translation: 本发明教导了一种通过使用碳酸钴前体增加负载在二氧化硅基载体材料上的费 - 托催化剂中每克催化剂的钴表面积的方法。 费 - 托催化剂优选包括含有钴的催化活性第一金属和含有二氧化硅或钴表面积大于13m 2 / g催化剂的二氧化硅化合物的载体材料。 在FT反应中活性的催化剂的最小α值为0.87，CO转化率为24重量％以上。 根据另一个优选的实施方案，制备费 - 托催化剂的方法包括用碳酸钴胺溶液使二氧化硅或二氧化硅化合物饱和，通过过滤除去过量的溶液，加热所得产物以使羟基碳酸钴沉淀， 并干燥并煅烧所得产物。 任选地，煅烧产物被还原。

公开(公告)号：US20040048937A1

公开(公告)日：2004-03-11

申请号：US10236759

申请日：2002-09-06

Applicant: Conoco Inc.

Inventor： Nithya Srinivasan ,  Rafael L. Espinoza ,  Kevin L. Coy ,  Kandaswamy Jothimurugesan

IPC: C07C027/06

CPC classification number: C10G2/33 ,  B01J23/40 ,  B01J23/74 ,  B01J23/89 ,  B01J23/8913 ,  B01J37/0205 ,  B01J37/024 ,  C10G2/331 ,  C10G2/332

Abstract: A method for making a catalyst is provided that features loading a catalytic metal to a support using at least two different precursor compounds of that said metal; and loading the promoter to the support in an amount effective so as to achieve similar promotion as for a comparable catalyst comprising a greater amount of the promoter using only one precursor compound, where the catalytic metal is selected from among Group 8 metals, 9 metal, Group 10 metals, and combinations thereof. The promoter is preferably boron, silver, a noble metal, or combination thereof. Also provided are catalysts made by the method and Fischer-Tropsch processes that include contacting synthesis gas with a catalyst made by the method.

公开(公告)号：US20040122115A1

公开(公告)日：2004-06-24

申请号：US10324419

申请日：2002-12-20

Applicant: Conoco Inc.

Inventor： Rafael L. Espinoza ,  Kandaswamy Jothimurugesan

IPC: C07C027/06

CPC classification number: B01J23/8946 ,  B01J23/8953 ,  B01J23/8986 ,  B01J37/031

Abstract: The present invention presents an iron-based Fischer-Tropsch catalyst having a low water-gas shift activity and high selectivity and productivity toward a hydrocarbon wax wherein said catalyst comprises iron; silver; sodium, lithium, potassium, rubidium and/or cesium; optionally, calcium, magnesium, boron, and/or aluminum; and a silica structural promoter. The present invention further presents a method of making a precipitated iron-based Fischer-Tropsch catalyst. The present invention still further presents a process for producing hydrocarbons using the iron-based, precipitated Fischer-Tropsch catalyst of the present invention.

Abstract translation: 本发明提供了一种铁基费 - 托催化剂，其具有低水煤气变换活性和对烃蜡的高选择性和生产率，其中所述催化剂包含铁; 银; 钠，锂，钾，铷和/或铯; 任选地，钙，镁，硼和/或铝; 和二氧化硅结构促进剂。 本发明还提供一种制备沉淀的铁基费 - 托催化剂的方法。 本发明还提出了使用本发明的铁基，沉淀的费 - 托催化剂来生产烃的方法。