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method for removing iron impurities from glass making sand

EP0038076A1 - Method for removing iron impurities from ...

A method for removing iron impurities from glass-making sand employing alkanethiol as a collecting agent in a froth flotation process. In embodiments of the invention the alkanethiol is used in conjunction with frothing agent and is selected from compounds represented by the formula C n H 2n+1 SH wherein n is an integer in the range from 5 to 17.

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Method for removing iron impurities from glass-making sand ...

A method for removing iron impurities from glass-making sand by froth flotation in the presence of a collecting agent and, optionally, in the presence of a frothing agent, c h a r a c t e r i z e d b y employing as collecting agent one or more of alkanethiols repre sented by the formula C H SH wherein n is an integer n 2n+1 from 5 to 17.

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Method for removing iron impurities from glass-making sand ...

A method for removing iron impurities from glass-making sand employing alkanethiol as a collecting agent in a froth flotation process. In embodiments of the invention the alkanethiol is used in conjunction with frothing agent and is selected from compounds represented by the formula CnH2n+1SH wherein n is an integer in the range from 5 to 17.

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(PDF) GLASS SAND FLOTATION FOR IRON IMPURITY REMOVAL

sand by reduc ing the amount of impurities, e specially iron, which color glass. This paper describes the results on an experimental work in the frame of the research program.

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Method for removing iron impurities from glass-making sand ...

A method for removing iron impurities from glass-making sand employing alkanethiol as a collecting agent in a froth flotation process. In embodiments of the invention the alkanethiol is used in conjunction with frothing agent and is selected from compounds represented by the formula CnH2n+1SH wherein n is an integer in the range from 5 to 17.

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Removal of iron from silica sand by surface cleaning using ...

Jul 01, 2007 · Silica sand for glass making needs a low content of iron. It is known that there is an iron-rich coating on the particle surface and in fissures, which makes silica sand high in iron content and rusty in appearance. Iron coating sticks on the surface so firmly that the common mechanical scrubbing method is not effective.

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US4405588A - Process of removing iron impurities from ores ...

A process of removing iron impurities from ores, particularly useful for removing stains of iron impurities adhered to silica sand particles, comprises grinding the ore, washing and desliming the ground ore to remove the major part of the clay-type binder, attrition-scrubbing the deslimed particles to release further amounts of binder therefrom, washing and desliming to remove said binder ...

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REMOV AL OF IRON AND OTHER MAJOR IMPURITIES FROM

REMOV AL OF IRON AND OTHER MAJOR IMPURITIES FROM SILICA SAND FOR THE PRODUCTION OF HIGH ADDED V ALUE MATERIALS E. Chammasl, D. Panias2, M. Taxiarchou2, G.N. Anastassakis', I. Paspaliaris2 ...

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Process for purifying silica sand - Materias Primas ...

FIELD OF THE INVENTION. The present invention refers to a process of purifying silica sand and, more particularly, it is related to a process for removing, from silica sands which are to be used as a raw material for glass manufacture, ceramics and the like, practically all of the iron and aluminum impurities contained therein.

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synthesis - How to acid-wash sand? - Chemistry Stack Exchange

Jun 25, 2018 · In short, acid washing (or leaching) is supposed to remove impurities (mostly iron impurities) from the sand. From the introduction of the paper: Iron is one of the most troublesome impurities in silica sand because it impairs the transparency of high-quality glass, e.g. for tableware, and optical glass; it impairs transmission in optical ...

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Silica Sand Processing & Sand Washing Plant Equipment

May 09, 2016 · Sand for the glass industry must contain not more than 0.03% Fe2O3. Concentrating tables will remove free iron particles but iron stained and middling particles escape gravity methods. Flotation has been very successfully applied in the industry for making very low iron glass sand suitable even for optical requirements.

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(PDF) LOW IRON SILICA SAND FOR GLASSMAKING

The final product – glassmaking silica. sand is with low content of Fe 2 O 3 – less 0.015 %. In an effort to reduce the cost of collectors and change the flotation pH-range from 2.5 to 7 ...

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3 Proven Cheapest Way to Remove Iron from Well Water

Jan 14, 2021 · Oxidation of Iron Methods: Oxidation of iron can be done in many way but the most common three methods are air oxidation,oxidation using media & chemical process. Method#1 Oxidizing Agent + Filter Method: This system combination can easily handle iron level up 10 ppm. It is the cheapest way to remove iron from well water.

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How to Make Glass (with Pictures) - wikiHow

Apr 29, 2021 · Also called quartz sand, silica sand is the primary ingredient in making glass. Glass without iron impurities is sought for clear glass pieces, as the iron will cause the glass to appear greenish when present. Wear a face mask if handling extremely fine-grain silica sand. If inhaled, it can irritate the throat and lungs.

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The influence of silica sand quality on glass production ...

Jun 28, 2021 · The influence of iron content in silica sand on glass quality In order to obtain high-quality silica sand, it is necessary to beneficiated to remove iron impurities, improve and stabilize the chemical composition, and ensure that the iron content of Suqian sand is less than 0.20%. Second, control its particle size in the range of 0.10~0.60mm.

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impurities - Deutsch Übersetzung - Englisch Beispiele ...

Method for removing iron impurities from glass-making sand. Verfahren zur Entfernung eisenhaltiger Verunreinigungen aus Sand für die Glasherstellung. Filter apparatus for a liquid containing diverse impurities .

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GLASS-MAKING MATERIALS. - USGS

manufacturing plate glass. Sand containing more iron than is shown in the tables may be used in making green glass bottles aud cheap glassware, or, with the addition of decolor­ izing agents, in making window glass.

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How to remove film iron from quartz sand?-Sinonine

May 07, 2021 · In the sand washing plant, due to the existence of film iron, the quartz sand treated by simply washing and gravity separation process can not meet the requirements of producing qualified quartz sand.Therefore, the removal of film iron is a common problem. The methods of removing film iron mainly include scrubbing, ultrasonic and pickling.

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How to remove aluminum impurity in high purity quartz sand ...

Dec 03, 2019 · In this paper, a method of deeply removing aluminum impurity from high purity quartz sand is shared. In sand washing and silica sand processing plant, Quartz sand contains many kinds of impurities, of which iron and aluminum are the most difficult to remove, so the content is high.Among these two impurities, especially aluminum is the most difficult to remove, so the content is the highest.

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GLASS-MAKING MATERIALS. - USGS

manufacturing plate glass. Sand containing more iron than is shown in the tables may be used in making green glass bottles aud cheap glassware, or, with the addition of decolor­ izing agents, in making window glass.

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Improvement of Impurities Removal from Silica Sand by ...

any more refined. One of the perspective methods, in the quoted case, it is the enrichment by leaching method (J. F. Richardson, J. H. Harker, 2002). The present work consists in improving the removal of impurities from the of Algerian silica quartz sand deposits

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Removing the impurities chloride & alkalies from ...

3.2.1 Foam Separation Method – Foam separation involving sodium dodecyl sulphate could remove a series of alkali metal ions. 3.2.1 Foam Separation Method: The pH value of GBFS (Granulated Blast Furnace Slag) is approximate 10. In this method try to remove the Alkalies from the slag and get pH value same as river sand.

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Development of a Beneficiation Flow Sheet for Processing ...

ornamentation etc. One of the first to use silica sand is the glass industry. At least 4000 years ago, long before iron was smelted, glass-making was already a known craft. The oldest known specimens of glass was obtained from Babylon (2600 B. C.) and from Egypt (2500 B. C.). It could be

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Comparison of Methods for Electrochemical Iron Removal ...

May 25, 2017 · Titanium metal production by the Kroll process requires a high-grade ore material as a feedstock for chlorination, such as natural or synthetic rutile. Electrochemical methods for making titanium have generally required even higher purity. This paper describes different methods for iron removal from a pseudorutile mineral sand for the eventual goal of producing commercially pure

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How to Make Glass (with Pictures) - wikiHow

Apr 29, 2021 · Also called quartz sand, silica sand is the primary ingredient in making glass. Glass without iron impurities is sought for clear glass pieces, as the iron will cause the glass to appear greenish when present. Wear a face mask if handling extremely fine-grain silica sand. If inhaled, it can irritate the throat and lungs.

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How to Smelt Iron: The 6 Steps to Iron Smelting | The ...

1. Gather iron ore. Iron ore can be bought or gathered, but for the sake of demonstration, we gathered the ore ourselves. The best time to collect iron ore is in the winter because the ocean is more active. Active waves separate the black, magnetic sand from lighter silica sand.

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How To Remove Powder Coating (4 Different Methods)

Dec 05, 2018 · Bake-off. This method uses temperatures of 650 – 750 degrees Fahrenheit and will take about 3 to 6 hours to clean off powder coating. After baking, you need to wash the powder coating off so that it doesn’t re-stick to the metal surface. Burn off. This method uses temperatures of 1000 – 1200 degrees Fahrenheit.

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Steelmaking - Wikipedia

Steelmaking has played a crucial role in the development of ancient, medieval, and modern technological societies. Early processes of steel making were made during the classical era in Ancient Iran, Ancient China, India, and Rome.. Cast iron is a hard, brittle material that is difficult to work, whereas steel is malleable, relatively easily formed and a versatile material.

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How to remove the dust or impurities from brown fused ...

* Brown fused alumina is a kind of artificial abrasives produced by high temperature smelting of natural bauxite. Although the main component is Aluminium Oxide, it still contains a lot of other chemical components such as silica, iron oxide, tit...

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removing - Translation into German - examples English ...

Method for removing iron impurities from glass-making sand. Verfahren zur Entfernung eisenhaltiger Verunreinigungen aus Sand für die Glasherstellung. Method for removing organic contaminants from soil. Verfahren zur Entfernung von organischen Schadstoffen aus dem Boden. 42 ...

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Concrete Recycling Process and Iron Remover Selection ...

Oct 29, 2019 · After removing iron and other light impurities by iron remover, concrete waste is sent into the cavity of crusher by vibrating feeder and then crushed into several sizes. Then the crushed concrete is screened by the vibrating screen and divided into three piles in the particle sizes of 0-5 mm, 5-20 mm and 20-40 mm.

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How Do You Separate Sand, Salt and Iron Filings?

Apr 07, 2020 · Spread the sand, salt and iron mixture on a flat surface. Wrap the magnet in the paper towel. Use the magnet to remove the iron by pulling it across the surface of the mixture. The filings stick to the magnet while the sand and salt are left behind. Remove the paper towel from the magnet to collect the filings. Use warm water to dissolve the salt.

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