separation iron patent

US3482938A - Method for separating iron ... - Google

US3482938A US3482938DA US3482938A US 3482938 A US3482938 A US 3482938A US 3482938D A US3482938D A US 3482938DA US 3482938 A US3482938 A US 3482938A Authority US United States Prior art keywords iron magnesium hydroxide magnetic magnesium lime Prior art date 1967-11-29 Legal status (The legal status is an assumption and is not a legal conclusion.

WO2013086606A1 - Separation of iron from ... - Google

Separation of iron from cobalt and nickel is obtained. The invention provides a process for the leaching of a laterite ore, concentrate, tailings or waste rock for the recovery of value metals, at least one value metal being nickel. ... 2013-06-20 Publication of WO2013086606A1 publication Critical patent/WO2013086606A1/en Links.

WO2014085903A1 - Process for the separation of iron in ...

A process for leaching a value metal from a titaniferous ore material comprising the step of leaching the ore material at atmospheric pressure with a lixiviant comprising magnesium chloride and hydrochloric acid is disclosed. Iron and titanium are leached into solution. Iron in the ferric state may be separated from titanium in solution using extraction with alkyl ketone.

PROCESS FOR SEPARATION OF SILICEOUS AND

The iron units were collected in the grease kettle with 12 g asphalt base roofing putty and 11.5 g Bunker C as bridging liquid. All separated fractions were ashed at 800° C. and analyzed. The results obtained are summarized in Table VI. The iron recovered in P fraction (A), (B) and in the (C) suspended portion product totals close to 100 percent.

Gravity separation method using iron powder -

1990-7-30 · A gravity separation method using iron powder is employed for subjecting a metal or ore to sink-float separation using a specific gravity liquid in which the iron powder is mixed and suspended. This gravity separation method comprises mixing and suspending the iron powder composed of fine particles having a size of 40 microns or less to form a ...

US2416508A - Separation of iron from aluminum sulphate ...

US2416508A US535540A US53554044A US2416508A US 2416508 A US2416508 A US 2416508A US 535540 A US535540 A US 535540A US 53554044 A US53554044 A US 53554044A US 2416508 A US2416508 A US 2416508A Authority US United States Prior art keywords iron xanthate solution separation ratio Prior art date 1944-05-13 Legal status (The legal status is an assumption and is not a

SELECTIVE SEPARATION OF IRON BY TREATMENT WITH

2000-6-8 · FIELD: selective separation of iron from other ions contained in some oxidizing catalysts. SUBSTANCE: proposed method is used for repeated use of catalysts in oxidation reaction of alcohols and/or ketones to carboxylic acids and oxidation of cyclic alcohols and cyclic ketones to dicarboxylic acids, for example, oxidation of cyclohexanol and/or cyclohexanone to adipic acid.

Magnetic separation method for iron carbide - TH ...

View Patent Images: Download PDF 5858060 . US Patent References: ... make it possible to exploit this property in the various withdrawal zones of a fluidized-bed reactor for manufacturing iron carbide, by proposing separation steps at different temperatures which are chosen as a function of the Curie temperatures of the various components mixed ...

SELECTIVE SEPARATION OF IRON BY TREATMENT WITH

2000-6-8 · selective separation of iron by treatment with an ion-exchanging resin comprising diphosphonic acid groups (pat - ep1194238)

SELECTIVE SEPARATION OF IRON BY TREATMENT WITH

2000-6-8 · selective separation of iron by treatment with an ion-exchanging resin comprising diphosphonic acid groups (pat - ep1194238)

SELECTIVE SEPARATION OF IRON BY TREATMENT WITH

2000-6-8 · FIELD: selective separation of iron from other ions contained in some oxidizing catalysts. SUBSTANCE: proposed method is used for repeated use of catalysts in oxidation reaction of alcohols and/or ketones to carboxylic acids and oxidation of cyclic alcohols and cyclic ketones to dicarboxylic acids, for example, oxidation of cyclohexanol and/or cyclohexanone to adipic acid.

High-efficiency and powerless iron-water separation

2011-7-19 · Patent: Publ. Utility Model Application - China. Application: CN20112255285U on 2011-07-19. Publication: 2012-03-07. Abstract. Highlight Terms No biological terms identified The utility model provides a high-efficiency and powerless iron-water separation device used in deironing process of natural spice essence, comprising a liquid inlet pipe ...

SELECTIVE SEPARATION OF IRON BY TREATMENT WITH

The invention concerns a method for the selective separation of iron from other metal ions in particular ions present in certain oxidation catalysts. The invention also concerns a method for recycling oxidation catalysts in the oxidation reaction of alcohols and/or ketones into carboxylic acids and more particularly the oxidation of cyclic alcohols and/or cyclic ketones into dicarboxylic acids ...

METHOD OF SEPARATING AND RECOVERING IRON FROM

1. A method of separating and recovering iron from a waste non-ferrous slag, discharged from a process for smelting of non-ferrous metals, including copper, zinc and lead, by physical and chemical separation, the method comprising the steps of: (a) crushing the waste non-ferrous slag; (b) mixing the waste non-ferrous slag, crushed in step (a), with carbon as a reducing agent and calcium ...

Magnetic separation method for iron carbide - TH ...

View Patent Images: Download PDF 5858060 . US Patent References: ... make it possible to exploit this property in the various withdrawal zones of a fluidized-bed reactor for manufacturing iron carbide, by proposing separation steps at different temperatures which are chosen as a function of the Curie temperatures of the various components mixed ...

Gravity separation method using iron powder -

1990-7-30 · A gravity separation method using iron powder is employed for subjecting a metal or ore to sink-float separation using a specific gravity liquid in which the iron powder is mixed and suspended. This gravity separation method comprises mixing and suspending the iron powder composed of fine particles having a size of 40 microns or less to form a ...

US Patent for Process and system for dry recovery of fine ...

2013-3-13 · The present invention refers to a system and method for the totally dry treatment of iron-ore wastes from previous mining operations, suitable for both the processing of ore wastes deposited in barrages and wastes stored in piles. The present invention solves the problems of magnetic separation processes that employ the wet and waste-dewatering way, eliminating the risks which throwing solid ...

US Patent Application for HEAT RESISTANT SEPARATION

2019-5-27 · Iron oxide is detrimental to the properties of the heat resistant separation fabric. Moreover, said first material may also contain any one or more than one of silicon (Si), manganese (Mn), and copper (Cu), each in a range between 0.2 weight percent to 2 weight percent, and preferably between 0.3 weight percent to 1.3 weight percent.

PROCESS FOR SEPARATION OF SILICEOUS AND

The iron units were collected in the grease kettle with 12 g asphalt base roofing putty and 11.5 g Bunker C as bridging liquid. All separated fractions were ashed at 800° C. and analyzed. The results obtained are summarized in Table VI. The iron recovered in P fraction (A), (B) and in the (C) suspended portion product totals close to 100 percent.

SELECTIVE SEPARATION OF IRON BY TREATMENT WITH

2000-6-8 · selective separation of iron by treatment with an ion-exchanging resin comprising diphosphonic acid groups (pat - ep1194238)

SELECTIVE SEPARATION OF IRON BY TREATMENT WITH

2000-6-8 · FIELD: selective separation of iron from other ions contained in some oxidizing catalysts. SUBSTANCE: proposed method is used for repeated use of catalysts in oxidation reaction of alcohols and/or ketones to carboxylic acids and oxidation of cyclic alcohols and cyclic ketones to dicarboxylic acids, for example, oxidation of cyclohexanol and/or cyclohexanone to adipic acid.

SELECTIVE SEPARATION OF IRON BY TREATMENT WITH

The invention concerns a method for the selective separation of iron from other metal ions in particular ions present in certain oxidation catalysts. The invention also concerns a method for recycling oxidation catalysts in the oxidation reaction of alcohols and/or ketones into carboxylic acids and more particularly the oxidation of cyclic alcohols and/or cyclic ketones into dicarboxylic acids ...

METHOD OF SEPARATING AND RECOVERING IRON FROM

1. A method of separating and recovering iron from a waste non-ferrous slag, discharged from a process for smelting of non-ferrous metals, including copper, zinc and lead, by physical and chemical separation, the method comprising the steps of: (a) crushing the waste non-ferrous slag; (b) mixing the waste non-ferrous slag, crushed in step (a), with carbon as a reducing agent and calcium ...

Magnetic separation method for iron carbide - TH ...

View Patent Images: Download PDF 5858060 . US Patent References: ... make it possible to exploit this property in the various withdrawal zones of a fluidized-bed reactor for manufacturing iron carbide, by proposing separation steps at different temperatures which are chosen as a function of the Curie temperatures of the various components mixed ...

High-efficiency and powerless iron-water separation

2011-7-19 · Patent: Publ. Utility Model Application - China. Application: CN20112255285U on 2011-07-19. Publication: 2012-03-07. Abstract. Highlight Terms No biological terms identified The utility model provides a high-efficiency and powerless iron-water separation device used in deironing process of natural spice essence, comprising a liquid inlet pipe ...

US Patent Application for HEAT RESISTANT SEPARATION

2019-5-27 · Iron oxide is detrimental to the properties of the heat resistant separation fabric. Moreover, said first material may also contain any one or more than one of silicon (Si), manganese (Mn), and copper (Cu), each in a range between 0.2 weight percent to 2 weight percent, and preferably between 0.3 weight percent to 1.3 weight percent.

US Patent for Process and system for dry recovery of fine ...

2013-3-13 · The present invention refers to a system and method for the totally dry treatment of iron-ore wastes from previous mining operations, suitable for both the processing of ore wastes deposited in barrages and wastes stored in piles. The present invention solves the problems of magnetic separation processes that employ the wet and waste-dewatering way, eliminating the risks which throwing solid ...

US Patent for Apparatus and method for continuous ...

2010-1-4 · Two flow configurations are shown, tangential and down-directed. In the tangential case, one ¼-inch inner diameter entry port is employed. It is located 3 inches above the bottom of the iron return frame of the electromagnet and makes a tangential entry into the separation vessel at 90 degrees with respect to the electromagnet poles.

Solvent-extraction process for recovery and separation of ...

Solvent-extraction processes to recover metal values are improved by use as a component of the solvent-extractant of didodecylnaphthalene sulfonic acid. Especially important applications for the improved solvent-extractant which can include a α-hydroxy oxime are in the separation recovery of copper, nickel, zinc and cobalt and the selective ...

Copyright © 2020.Company name All rights reserved.SiteMap