calcium chloride manufacturing process from waste slag

calcium chloride manufacturing process from waste slag

calcium chloride manufacturing process from waste slag

calcium chloride crushing machine manufacturers . calcium chloride manufacturing process from waste slag calcium ... Calcium chloride (CaCl2) is a common salt and behaves as a typical ...

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Calcium leaching from waste steelmaking slag:

2014-10-15 · Accelerated carbonation of alkaline wastes such as steelmaking slag offers the potential to combine waste valorisation with climate change mitigation by utilising carbon dioxide (CO 2).One method of achieving this is through an indirect carbonation process to produce a marketable precipitated calcium carbonate (PCC), using ammonium salts to selectively extract

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Calcium leaching from waste steelmaking slag:

In this article, a new process for treating steel slag and CO2 simultaneously and preparing calcium carbonate, metallic iron, and glass ceramics

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CN105883884A - Method for preparing industrial calcium ...

The invention discloses a method for producing industrial calcium chloride from raw materials including thiourea waste residues and technical hydrochloric acid. Calcium hydroxide in the thiourea waste residues and hydrochloric acid are subjected to an acid-base neutralization reaction, and industrial calcium chloride products are obtained.

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Case study for production of calcium carbonate from

2016-6-1 · The process requires a lot of washing water to remove ammonium and calcium chloride remnants from the slag residue and the calcium carbonate product. In order to minimise the need for solvent make-up and to clean up the spent water, a reverse osmosis (RO) unit is employed ( Table 3 ).

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Production of Fe Ti Alloys from Mixed Slag Containing ...

metals Article Production of Fe–Ti Alloys from Mixed Slag Containing Titanium and Fe2O3 via Direct Electrochemical Reduction in Molten Calcium Chloride

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Cradle-to-gate life cycle assessment of precipitated ...

2014-12-1 · 1. Introduction. Precipitated calcium carbonate (PCC) is widely used as a filler and a pigment in various applications, e.g. in paper, plastics and pharmaceutics (Roskill Information Services, 2012, Stratton, 2012).The main PCC production method is the so-called carbonation process, in which limestone (CaCO 3) is first calcined in a lime kiln to calcium oxide, slaked

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Leaching calcium from phosphogypsum desulfurization

2020-1-1 · Therefore, the kinetic model of PG desulfurization slag leaching by ammonium chloride is (16) 1 − 3 1 − x 2 3 + 2 1 − x = 8.3 e − 1.058 × 10 4 RT C A 0 1.032 t. 4. Conclusions. In summary, the current paper gives a study on thermodynamics and kinetics for the leaching calcium from phosphogypsum (PG) desulfurization slag by using ...

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Lithium leaching via calcium chloride roasting from ...

2020-2-15 · The chemical composition and structure of slag are similar to those of cement and are generally expressed as xLi 2 O·yCaO·zAl 2 O 3 ·nSiO 2, . In this paper, the possibility of leaching aqueously of lithium from the slag mentioned above is going to be probed through chlorinating the insoluble lithium bound in slag by calcium chloride.

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Production of Precipitated Calcium Carbonate from Steel ...

2014-1-1 · The choice of a continuous process is primarily dictated by the varying quality and composition of the steel converter slag feed material, as discussed in 5.1 Waste streams from steelmaking processes, 5.4 Selective extraction of calcium from steel converter slag.

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Calcium leaching from waste steelmaking slag:

In this article, a new process for treating steel slag and CO2 simultaneously and preparing calcium carbonate, metallic iron, and glass ceramics

Read More
Demonstration application of Chinese-made chlorine

2022-1-13 · Calcium carbide residue is an industrial waste generated from calcium carbide (CaC 2) hydrolysis reaction during the productions of polyvinyl chloride, polyvinyl alcohol, acetylene gas and others [1,2,3].Calcium carbide residue (hereinafter referred to as CCR), which is difficult to be recycled [4, 5] and classified as harmful substance [] due to the high alkalinity, will cause

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CN105883884A - Method for preparing industrial calcium ...

The invention discloses a method for producing industrial calcium chloride from raw materials including thiourea waste residues and technical hydrochloric acid. Calcium hydroxide in the thiourea waste residues and hydrochloric acid are subjected to an acid-base neutralization reaction, and industrial calcium chloride products are obtained.

Read More
Calcium extraction from steelmaking slag and production

The number of studies has been conducted to extract the calcium from solid waste for a purpose of CO 2 sequestration and calcium carbonate production [6,7,58,61,65,67, 70,

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Recovery of soluble chloride salts from the wastewater ...

This paper explored an effective and practical recovery method to separate sodium chloride, potassium chloride, and calcium chloride salts individually from the hydrosaline water. In laboratory experiments, a simulating hydrosaline solution was prepared according to composition of the waste washing water.

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The Conversion of Calcium-Containing Phases and Their ...

2021-12-28 · The titanium resources in Panxi reign, China, have a high-impurities content of Ca and Mg, which is usually processed by the molten salt chlorination process. This process allows higher Ca and Mg content in its furnace burdens. However, there is a huge amount of molten salt chlorinated slag produced by this process, consisting of complex compounds and waste

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Concept design for demonstration plant for production

2017-6-14 · Calcium rich ammonium chloride solvent is used in carbonation phase. In carbonation phase, calcium is carbonated with carbon dioxide. ... manufacturing and slag to PCC process. 2.2.1 Steelmaking slag Steel manufacturing process produces several types of solid waste material called slag.

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Processing of Non-Ferrous Metallurgy Waste Slag for its ...

2021-12-10 · Lately, the content of metals in ores has been decreasing, due to the intensive extraction and processing of various ores rich in metals. At the same time, the annual amount of industrial waste containing both precious metals and other useful compounds is increasing [].Waste in dumps contains heavy non-ferrous metals, compounds of silicon, calcium,

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Experimental study on the extraction of calcium,

2019-5-1 · In the experiments, ammonium chloride (NH 4 Cl) water solution was used as an extracting solvent with varying concentrations of 0, 0.5, 1 and 2 mol/L using slag to solvent ratio of 100 g/L. The main objective of this study was to determine the optimal concentrations of solvent and particle size for leaching out calcium from the slag.

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TITANIUM TETRACHLORIDE PRODUCTION BY THE

2016-3-27 · 3.1 Chloride Process In the chloride process, rutile or high-grade ilmenite is converted to titanium tetrachloride (TiCl 4) gas. The conversion takes place in a chlorinator (i.e., fluidized bed reactor) in the presence of chlorine gas at 850° C to 950° C, with petroleum coke added as a reductant. All U.S. producers of TiCl 4

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calcium chloride manufacturing process from waste slag

calcium chloride crushing machine manufacturers . calcium chloride manufacturing process from waste slag calcium ... Calcium chloride (CaCl2) is a common salt and behaves as a typical ...

Read More
Demonstration application of Chinese-made chlorine

2022-1-13 · Calcium carbide residue is an industrial waste generated from calcium carbide (CaC 2) hydrolysis reaction during the productions of polyvinyl chloride, polyvinyl alcohol, acetylene gas and others [1,2,3].Calcium carbide residue (hereinafter referred to as CCR), which is difficult to be recycled [4, 5] and classified as harmful substance [] due to the high alkalinity, will cause

Read More
Concept design for demonstration plant for production

2017-6-14 · Calcium rich ammonium chloride solvent is used in carbonation phase. In carbonation phase, calcium is carbonated with carbon dioxide. ... manufacturing and slag to PCC process. 2.2.1 Steelmaking slag Steel manufacturing process produces several types of solid waste material called slag.

Read More
Calcium extraction from steelmaking slag and production

The number of studies has been conducted to extract the calcium from solid waste for a purpose of CO 2 sequestration and calcium carbonate production [6,7,58,61,65,67, 70,

Read More
The Conversion of Calcium-Containing Phases and Their ...

2021-12-28 · The titanium resources in Panxi reign, China, have a high-impurities content of Ca and Mg, which is usually processed by the molten salt chlorination process. This process allows higher Ca and Mg content in its furnace burdens. However, there is a huge amount of molten salt chlorinated slag produced by this process, consisting of complex compounds and waste

Read More
Production and evaluation of precipitated calcium ...

This dissertation focus on the synergetic use of two of the essential wastes of modern steel manufacturing processes namely the steel slag (solid waste) and carbon dioxide (gaseous waste) in order to produce pure calcium carbonate which

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RECOVERY METHOD FOR A CONTINUOUS CALCIUM

2014-6-3 · A method of mineralizing calcium from industrial waste comprising extracting calcium ions from a suspension of calcium rich granular particles and aqueous ammonium chloride to form a calcium-rich first fraction and a heavy second fraction. The heavy second fraction is separated from the first fraction and the calcium-rich first fraction is carbonated with a gas comprising

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Application technology of calcium carbide slag: a case ...

Since 2007, new dry process production lines with calcium carbide slag have developed rapidly, including at the Xinjiang Tianye cement plant, Inner Mongolia, the Yili Jidong cement plant, the Yili Qingsong Nangang cement plant, Jinni Group’s new dry-process cement second plant, etc., mostly at the 2500 t/d or 3000 t/d production scale.

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Pyrochemical recovery of plutonium from calcium fluoride ...

A process was developed for the pyrochemical recovery of plutonium from residues resulting from the PuF/sub 4/ reduction process. The process involves crushing the CaF/sub 2/ slag and dissolving it at 800/sup 0/C in a CaCl/sub 2/ solvent. The plutonium, which exists either as finely divided metal or as incompletely reduced fluoride salt, is ...

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Utilization of steelmaking waste materials for production ...

The process would generate a 60-75% pure calcium carbonate mixture, the remaining 25-40% consisting of the residual steel slag. This calcium-rich material could be re-used in ironmaking as a fluxing agent instead of natural limestone.

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