Results 11 to 20 of about 3,207 (258)

Calcium Carbonate Mineralization of Microalgae

open access: yesBiomimetics, 2022
Biological substrates catalyze the nucleation and growth of sparingly soluble salts however, the underlying mechanism is largely unknown. In the present study, the growth of calcium carbonate (CaCO3), on Acutodesmus obliquus (AO) microalgae was investigated.
Panagiota D. Natsi, Petros G. Koutsoukos
openaire   +3 more sources

Understanding the acid dissolution of Serpentinites (Tailings and waste rock) for use in indirect mineral carbonation

open access: yesSouth African Journal of Chemical Engineering, 2022
Solid carbonates can be formed by indirect mineral carbonation using the pH swing method for CO2 storage. It occurs at low temperatures and pressures in four stages: acid dissolution, purification, carbonation, and recovery.
Kely R.M. Vieira   +6 more
doaj   +1 more source

How Characterization of Particle Size Distribution Pre- and Post-Reaction Provides Mechanistic Insights into Mineral Carbonation

open access: yesGeosciences, 2018
Mineral carbonation is the conversion of carbon dioxide, in gas form or dissolved in water, to solid carbonates. Materials characterization plays an important role in assessing the potential to use these carbonates in commercial applications, and also ...
Aashvi Dudhaiya, Rafael M. Santos
doaj   +1 more source

Evaluation of Accelerated Mineral Carbonation Efficiency Using Industrial By-products and Estimation of Its Domestic Carbon Dioxide Reduction Potential

open access: yes대한환경공학회지, 2022
Objectives:Cement Kiln Dust (CKD), a cement industrial by-product, was used in this study to improve the effectiveness of CO2 removal and increase the production of precipitate calcium carbonate (PCC) in the accelerated mineral carbonation process ...
Sangmin Lee   +2 more
doaj   +1 more source

Dehydroxylation of serpentine minerals: Implications for mineral carbonation [PDF]

open access: yesRenewable and Sustainable Energy Reviews, 2014
This review examines studies on the dehydroxylation of serpentine minerals published in the open literature from 1945 to 2013, with brief description of earlier work. Presently, the energy cost and technological complications, required to amorphise serpentine minerals by dehydroxylation, prevent their large-scale application for sequestering of CO2 ...
Dlugogorski, Bogdan Z.   +1 more
openaire   +4 more sources

Accelerated mineral bio-carbonation of coarse residue kimberlite material by inoculation with photosynthetic microbial mats

open access: yesGeochemical Transactions, 2023
Microbiological weathering of coarse residue deposit (CRD) kimberlite produced by the Venetia Diamond Mine, Limpopo, South Africa enhanced mineral carbonation relative to untreated material.
Thomas Ray Jones   +4 more
doaj   +1 more source

Development of Ultrafine Mineral Admixture from Magnesium Slag and Sequestration of CO2

open access: yesBuildings, 2023
To upcycle magnesium slag solid waste (MS) as well as sequester CO2, a new wet carbonation process was proposed to activate the volcanic ash activity of MS and use it as an ultrafine mineral admixture for cement.
Junhao Ye   +6 more
doaj   +1 more source

Behaviour of concrete and cement in carbon dioxide sequestration by mineral carbonation processes

open access: yesBoletín de la Sociedad Española de Cerámica y Vidrio, 2022
Mineral carbonation of construction and demolition waste is a viable alternative for the reduction of CO2 emissions from industry. Concrete and cement, together with ceramic blocks, are the primary sources of calcium for mineral carbonation in which CO2 ...
Patricia Aparicio   +3 more
doaj   +1 more source

Reuse of Cement Kiln Dust for backfilling and CO2 carbonation [PDF]

open access: yesE3S Web of Conferences, 2017
The study aims to investigate possible alternative paths of reusing Cement Kiln Dust in mining technologies or as mineral sorbent for CO2 capture.
Lutyński Marcin, Pierzyna Piotr
doaj   +2 more sources

Behavior of cementitious mixtures with filler carbonate subjected to accelerated carbonation

open access: yesCase Studies in Construction Materials, 2022
Calcium carbonate limestone filler is used as a partial replacement for clinker in cements to reduce carbon dioxide emissions and fill the voids in the cement paste.
Munique Fante   +8 more
doaj   +1 more source

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