Formula Index Cb–CI

Becker, Ramona; Hartwig, Helga; Köppe, Herbert; Vanecek, Hans; Velić, Paul; Warncke, Rudolf; Zelle, Anna

doi:10.1007/978-3-662-06224-1_1

Cited by 2 publications

(6 citation statements)

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“…In accordance with literature data, in aqueous solutions of MgSO 4 , ions and undissociated molecules undergo the association phenomenon. Neutral and ionic combinations are possible, including forms such as (MgSO 4 ) 2 , (MgSO 4 ) 2+ .Undissociated MgSO 4 molecules may form hydrates together with 20–27 water molecules.…”

Section: Technological Aspect Of a Processsupporting

confidence: 90%

“…The degree of dissociation, α, at room temperature in solutions (1; 0.1; 0.01; 0.001) N equals 0.25; 0.5; 0.65; 0.88, respectively. Dissociation constants, K diss for the reactions (eqs –), are as follows K diss = 0.0060; 0.0216; 0.72 MgSO 4 ⇄ Mg 2 + + SO 4 2 − false( MgSO 4 false) 2 ⇄ Mg 2 + + false[ Mg false( SO 4 false) 2 false] 2 − false( MgSO 4 false) 2 ⇄ 2 MgSO 4 …”

Section: Technological Aspect Of a Processmentioning

confidence: 99%

Section: Technological Aspect Of a Processmentioning

confidence: 99%

“…Literature , shows that magnesium sulfate solutions tend to have high supersaturations and to form metastable systems. It means that to achieve a state of thermodynamic equilibrium, a very long time is required.…”

Section: Technological Aspect Of a Processmentioning

confidence: 99%

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Selected Aspects of Fertilizer-Grade Magnesium Sulfate Crystallization from Solution after Flue Gas Desulfurization

Bunikowska,

Synowiec,

Stec

2023

Crystal Growth & Design

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The presented paper deals with the discussion concerning both technological and process aspects connected with the production of a magnesium sulfate fertilizer from a solution obtained as a result of a flue gas desulfurization by means of the magnesium method. The experimental research was carried out on a laboratory scale in the MgSO 4 −MgCl 2 −H 2 O system. The paper took into account: (i) the kinetics of MgSO 4 •7H 2 O crystallization, (ii) the relation between the efficiency and the particle size, (iii) the influence of MgCl 2 concentration in the solution, and (iv) solution pH and its viscosity on the process. The degree of solution supersaturation discharge during crystallization was also analyzed. As a result, a number of practical conclusions regarding the process in industrial conditions were presented.

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Section: Technological Aspect Of a Processsupporting

confidence: 90%

Section: Technological Aspect Of a Processmentioning

confidence: 99%

Section: Technological Aspect Of a Processmentioning

confidence: 99%

Section: Technological Aspect Of a Processmentioning

confidence: 99%

See 2 more Smart Citations

Selected Aspects of Fertilizer-Grade Magnesium Sulfate Crystallization from Solution after Flue Gas Desulfurization

Bunikowska,

Synowiec,

Stec

2023

Crystal Growth & Design

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show abstract

“…(b) Calculated volume thermal expansion coefficients as a function of bulk modulus B T for binary oxides. Experimental thermal expansion coefficients are from refs − . Comparisons of (c) volume thermal expansion coefficients α V and (d) Grüneisen parameters γ between the elements and binary oxides.…”

Section: Resultsmentioning

confidence: 99%

Thermal Properties of the Element and Binary Oxides toward Negative Thermal Expansion: A First-Principles Lattice-Dynamics Study

Mochizuki,

Koiso,

Nagamatsu

et al. 2023

J. Phys. Chem. C

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To establish the design principles of thermal properties of solids, we performed comprehensive calculations of volume thermal expansion coefficients α V , bulk moduli B T , average atomic volumes V, and Gruneisen parameters γ in the finite temperature for the 46 elements and 45 binary oxides using first-principles lattice-dynamics calculations. We clarified that (i) a crystal possessing large V tends to have small B T ; (ii) the major role of γ is the determination of the sign of α V , the value of which is ruled by the crystal structures and coordination numbers; (iii) the transverse-acoustic (TA) and/ or low-frequency phonons are responsible for the negative thermal expansion (NTE) behaviors; (iv) the NTE materials prefer the relatively large V with the void space, possessing negative mode-Gruneisen parameters γ qν ; and (v) the common feature of the NTE materials is the phonons vibrating forward to the void space. Our study provides a wide perspective on designing low and/or negative thermal expansion materials.

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Formula Index Cb–CI

Cited by 2 publications

References 0 publications

Selected Aspects of Fertilizer-Grade Magnesium Sulfate Crystallization from Solution after Flue Gas Desulfurization

Selected Aspects of Fertilizer-Grade Magnesium Sulfate Crystallization from Solution after Flue Gas Desulfurization

Thermal Properties of the Element and Binary Oxides toward Negative Thermal Expansion: A First-Principles Lattice-Dynamics Study

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