| Patent Number |
Title Of Patent |
Date Issued |
| 5064632 |
Process for partial oxidation of FeCl.sub.2 to FeCl.sub.3 |
November 12, 1991 |
| There is provided a process for the partial oxidation of solid ferrous chloride and the complete oxidation of all carbon that is present with molecular oxygen at 350.degree. C. to 675.degree. C., to produce ferric oxide and ferric chloride vapor without producing elemental chlorine. |
| 5032372 |
Dilute-phase chlorination procedure |
July 16, 1991 |
| An improved dilute phase chlorination procedure characterized by providing extremely finely divided oxygen-containing metallic material and a carbonaceous material co-milled together to a particle size size of less than 20 microns. The finely divided charge material is introduced into a |
| 4652434 |
Chlorination of ores containing alkali or alkaline earth values |
March 24, 1987 |
| The invention pertains to an entrained-downflow chlorination process of fine metalliferous ores particularly containing alkali and/or alkaline earth metals greater than about 0.3% by weight as the oxide. The process includes a quenching step following the chlorination step where the |
| 4540551 |
Two stage chlorination of titaniferous ore with FeCl.sub.3 reclamation |
September 10, 1985 |
| There is provided a multi stage process for nonselectively chlorinating a titaniferous ore containing iron to produce TiCl.sub.4. In this process a portion of the ore charge is subjected to conventional fluid bed chlorination to produce TiCl.sub.4 and FeCl.sub.2. A second portion is |
| 4442076 |
Entrained downflow chlorination of fine titaniferous material |
April 10, 1984 |
| An entrained flow process for chlorinating fine iron-containing titaniferous powder with chlorine gas and/or organochlorides in the presence of fine porous coal-based reductant powder for obtaining product chlorides of titanium and iron wherein said both of said powders are entrained |
| 4440730 |
Chlorination of titanium ores using lignitic reactive carbons |
April 3, 1984 |
| There is provided an improved process for the chlorination of particulate titaniferous ores using a particulate reactive carbon in a fluidized bed. The particulate reactive carbon is lignite char. |
| 4343775 |
Entrained-flow chlorination of fine titaniferous materials |
August 10, 1982 |
| A flow process is described for the chlorination of titaniferous materials. The process utilizes a special microporous carbon characterized by having pores with a pore diameter of less than 20 A. Improved reaction rates and completeness of reaction are achieved. |
| 4329322 |
Chlorination of titaniferous material using treated coal for vanadium removal |
May 11, 1982 |
| Vanadium impurities in chlorinated titaniferous materials are rendered easily removable by reacting said titaniferous materials with a high surface area carbon during the chlorination process. A process for preparing said high surface area carbon is also described. |
| 4310495 |
Low-temperature fluid-bed chlorination of titaniferous ore |
January 12, 1982 |
| A low temperature (less than 800.degree. C.) process for chlorinating titaniferous material in a fluidized bed is disclosed. A porous carbon reductant having micropores with a pore diameter of less than 20 A is utilized together with conventional titaniferous materials and convention |
| 4279871 |
Process for treating chlorinated titaniferous material to remove vanadium |
July 21, 1981 |
| Vanadium impurities in chlorinated titaniferous materials are rendered easily removable by reacting said chlorinated titaniferous materials with a high surface area carbon at an elevated temperature. A process for preparing said high surface are a carbon is also described. |
| 4183899 |
Chlorination of ilmenite and the like |
January 15, 1980 |
| Ferruginous titaniferous material is chlorinated with chlorine for producing a product stream of titanium chlorides and by-product metallic iron in a laminar flow process. |
