Direct aqueous carbonation of dephosphorization slag under mild conditions for CO2 sequestration and utilization: Exploration of new dephosphorization slag utilization

Article Green & Sustainable Science & Technology

Carbon capture and storage using coal fly ash with flue gas

Tamilselvi Dananjayan Rushendra Revathy et al.

Summary: The study on CO2 sequestration using Indian coal fly ash revealed that aqueous carbonation has a higher sequestration capacity, while gas-solid carbonation is significantly impacted by temperature and pressure.

CLEAN TECHNOLOGIES AND ENVIRONMENTAL POLICY (2022)

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Review Materials Science, Multidisciplinary

Recycling of ironmaking and steelmaking slags in Japan and China

Hiroyuki Matsuura et al.

Summary: The treatment of ironmaking and steelmaking slags is crucial for the sustainable development of the steel industry. Japan and China are two major steel producing countries that have been focusing on developing new technologies to reduce slag emissions or promote slag utilization. While Japan has achieved almost complete reuse or recycling of slags, future applications in conventional sectors may be challenging due to stagnant infrastructural investments. China, on the other hand, has steadily increased the utilization ratios of ironmaking and steelmaking slags through technological advances, although increasing the utilization ratio of basic oxygen furnace slags remains a major challenge.

INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS (2022)

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Review Engineering, Environmental

Sustainable phosphorus supply by phosphorus recovery from steelmaking slag: a critical review

Huafang Yu et al.

Summary: Phosphorus is a crucial resource for agriculture and industry, but high-grade phosphorus reserves are depleting rapidly. It is urgent to find alternative phosphorus resources for sustainable supply. Steelmaking slag is an attractive secondary phosphorus resource due to its high phosphorus content, abundant supply, stable composition, and minimal contamination.

RESOURCES CONSERVATION AND RECYCLING (2022)

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Article Engineering, Environmental

Nutrient recovery from digested sludge centrate using alkali metals from steel-making slag

Minh T. Vu et al.

Summary: This study highlights the potential of using calcium and alkali metals from steel-making slag for nutrient recovery from anaerobically digested sludge centrate. High percentages of phosphate and ammonia could be successfully recovered under optimal conditions, with precipitation and volatilisation as the main mechanisms. The pre-treatment of sludge centrate using sand filtration and forward osmosis (FO) enrichment was found to be essential for achieving high nutrient recovery. Moreover, the production of slag liquor with high calcium and alkaline content showed promising results in enhancing ammonia recovery. The process demonstrated in this study has significant practical implications for nutrient recovery from wastewater and beneficial use of steel-making slag.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Green & Sustainable Science & Technology

Chemical recycling and use of various types of concrete waste: A review

Hsing-Jung Ho et al.

Summary: Effective recycling and use of chemicals in concrete waste are crucial for developing a sustainable cement and concrete industry, as well as addressing various environmental issues. Concrete waste shows great potential for CO2 sequestration and carbonation processes.

JOURNAL OF CLEANER PRODUCTION (2021)

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Article Green & Sustainable Science & Technology

Phosphorus removal from aqueous solution by steel making slag - Mechanisms and performance optimisation

Minh T. Vu et al.

Summary: The study evaluates a passive and inexpensive process using steel-making slag to remove phosphorus from wastewater, demonstrating its potential for efficient removal and the possibility of further enhancement through process optimization. Phosphorus removal mechanisms mainly include adsorption and chemical precipitation, with the latter dependent on pH and Ca2+ concentration in the aqueous solution.

JOURNAL OF CLEANER PRODUCTION (2021)

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Article Biotechnology & Applied Microbiology

Granular crystallization using CFBC ash for phosphorus removal via hydroxyapatite

Hyangyoun Chang et al.

Summary: The research demonstrates that CFBC ash can serve as a suitable raw material to supply Ca2+ and OH- for hydroxyapatite crystallization, which can be utilized in non-point pollution source control. By reprocessing CFBC ash into a granular crystallization agent and developing a manufacturing procedure, its applicability has been effectively improved.

ENVIRONMENTAL TECHNOLOGY & INNOVATION (2021)

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Article Construction & Building Technology

Accelerated carbonation of ladle furnace slag and characterization of its mineral phase

Yuan-Rong Yi et al.

Summary: Carbonation of ladle furnace slag can solve the issues related to inefficient stacking and pollution, with experiments showing optimal conditions for achieving good carbonation effects. Various analytical methods were used to study the changes in mineralogical characteristics over time.

CONSTRUCTION AND BUILDING MATERIALS (2021)

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Review Engineering, Environmental

Use of steel slag as sustainable construction materials: A review of accelerated carbonation treatment

Qifeng Song et al.

Summary: Steel slag is a by-product of the steelmaking process characterized by abundant free calcium/magnesium oxide and high heavy metal content. Recent research has shown that accelerated carbonation can improve the properties of steel slag. The challenge lies in understanding the interconnectedness between influencing factors and their contributions to the improvement of steel slag properties.

RESOURCES CONSERVATION AND RECYCLING (2021)

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Article Engineering, Environmental

Converting ladle slag into high-strength cementing material by flue gas carbonation at different temperatures

Shipeng Zhang et al.

Summary: This study explored the feasibility of transforming steelmaking ladle slag into high-strength cementing material through carbonation activation using flue gas. The results showed promising high strength and reduced greenhouse gas emissions compared to traditional cement production methods.

RESOURCES CONSERVATION AND RECYCLING (2021)

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Review Engineering, Chemical

A Review of the Application of Steel Slag in CO2 Fixation

Junya Wang et al.

Summary: This review summarizes the development of steel slag for fixing CO2, organized according to the carbonation type, including direct and indirect carbonation. It discusses the carbonation condition, capacity, and techno-economic assessment, providing valuable suggestions for future study on using steel slag for CO2 sequestration.

CHEMBIOENG REVIEWS (2021)

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Review Chemistry, Multidisciplinary

Carbonation of steelmaking slag presents an opportunity for carbon neutral: A review

Zhaohou Chen et al.

Summary: This study systematically reviews the carbonation of steelmaking slag from three aspects: the carbonation processes and mechanism of steelmaking slag; the effect of operational conditions on carbon dioxide sequestration ratio and reaction rate; and carbon dioxide sequestration capacity of different types of steelmaking slag. The results show that steelmaking slag has a great potential for carbon dioxide sequestration, which can reduce almost 12-17% of carbon dioxide emissions from the iron and steel industry. Additionally, challenges faced by the use of steelmaking slag for carbon dioxide sequestration and the prospects for the utilization of carbonated steelmaking slag are summarized.

JOURNAL OF CO2 UTILIZATION (2021)

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Article Biotechnology & Applied Microbiology

Improving Fenton-like oxidation of Rhodamin B using a new catalyst based on magnetic/iron-containing waste slag composite

Lan Huong Nguyen et al.

Summary: The study demonstrates that the use of magnetic waste iron slag composite as a catalyst enhances the heterogeneous catalytic Fenton of Rhodamine B. The enriched Fe content in MIS-10 significantly improves the catalytic efficiency of RhB degradation and oxidation under optimal conditions. MIS-10 exhibits high stability and promising catalytic activity for the oxidation of persistent organic compounds in wastewater.

ENVIRONMENTAL TECHNOLOGY & INNOVATION (2021)

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Article Construction & Building Technology

Comparative life cycle assessment to maximize CO2 sequestration of steel slag products

Lufan Li et al.

Summary: The study conducted a comparative evaluation of the environmental impacts of producing artificial cold-bonded steel slag aggregates and pure steel slag blocks, finding that steel slag blocks have the potential to achieve negative emissions. However, it was also noted that carbonation curing and carbon dioxide production play a significant role in emissions.

CONSTRUCTION AND BUILDING MATERIALS (2021)

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Review Environmental Sciences

Research status and future challenge for CO2 sequestration by mineral carbonation strategy using iron and steel slag

Yinbo Luo et al.

Summary: Mineral carbonation is essential for the low carbon and sustainable development of the iron and steel industry by effectively treating CO2 and iron and steel slag simultaneously. The technology not only reduces carbon emissions but also improves the quality stability of steel slag and reduces the permeation of heavy metal ions, making it environmentally friendly.

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH (2021)

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Article Engineering, Chemical

Recovery of Phosphoric Acid and Calcium Phosphate from Dephosphorization Slag

Shigeru Sugiyama et al.

Summary: By adding aqueous ammonia to the nitric acid extract of dephosphorization slag, a solid with high concentrations of calcium and phosphorus can be obtained, although it contains considerable amounts of manganese and iron. Through dissolution, cation exchange resin treatment, and subsequent processes, phosphoric acid and raw materials for industrial products can be recovered and obtained.

JOURNAL OF CHEMICAL ENGINEERING OF JAPAN (2021)

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Article Green & Sustainable Science & Technology

Energy system requirements of fossil-free steelmaking using hydrogen direct reduction

Andrew J. Pimm et al.

Summary: This study evaluates the optimal combination of generation and storage technologies needed for hydrogen direct reduction of iron (H-DR) with electric arc furnace (EAF) steelmaking. The results show that the optimal energy system includes electrolysers, wind power, solar power, combined cycle gas with carbon capture, hydrogen storage, and compressed air energy storage. Maintaining dispatchable generation can significantly reduce the hydrogen storage requirements of the industry.

JOURNAL OF CLEANER PRODUCTION (2021)

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Article Green & Sustainable Science & Technology

Utilization of CO2 in direct aqueous carbonation of concrete fines generated from aggregate recycling: Influences of the solid-liquid ratio and CO2 concentration

Hsing-Jung Ho et al.

Summary: The research focuses on developing an effective aggregate recycling process for concrete waste and utilizing CO2 through direct aqueous carbonation using concrete fines. The results demonstrate that concrete fines are a promising candidate for CO2 utilization, with a high CO2 uptake efficiency under atmospheric pressure and low CO2 concentration conditions.

JOURNAL OF CLEANER PRODUCTION (2021)

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Article Green & Sustainable Science & Technology

Calculation of greenhouse gas emissions for a carbon recycling system using mineral carbon capture and utilization technology in the cement industry

Yoshito Izumi et al.

Summary: Cement production and usage consume a significant amount of energy and resources, accounting for approximately 7% of global man-made greenhouse gas emissions. The industry is developing low-carbon technologies to reduce CO2 emissions. The use of MCC&U technology can substantially decrease CO2 emissions in cement production.

JOURNAL OF CLEANER PRODUCTION (2021)

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Article Environmental Sciences

Utilization of low-calcium fly ash via direct aqueous carbonation with a low-energy input: Determination of carbonation reaction and evaluation of the potential for CO2 sequestration and utilization

Hsing-Jung Ho et al.

Summary: This study investigated the utilization of fly ash through direct aqueous carbonation to absorb CO2 and form carbonate. Despite using a low-energy input method, the CO2 uptake efficiency was comparable to previous studies, and the product was found to be safe for further utilization.

JOURNAL OF ENVIRONMENTAL MANAGEMENT (2021)

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Review Chemistry, Multidisciplinary

A review on steel slag valorisation via mineral carbonation

Raghavendra Ragipani et al.

Summary: Research on carbon dioxide sequestration through mineral carbonation has gained significant attention due to the stability of sequestered CO2 over geological time scales. Utilizing industry-derived alkaline wastes as feedstocks for mineral carbonation presents an opportunity for waste valorization. Current efforts are focused on overcoming slow carbonation kinetics and optimizing various process routes.

REACTION CHEMISTRY & ENGINEERING (2021)

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Review Engineering, Environmental

The potential utilization of slag generated from iron- and steelmaking industries: a review

Xiaolei Zhang et al.

ENVIRONMENTAL GEOCHEMISTRY AND HEALTH (2020)

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Article Green & Sustainable Science & Technology

Effect of concrete carbonation on phosphate removal through adsorption process and its potential application as fertilizer

Glaydson S. dos Reis et al.

JOURNAL OF CLEANER PRODUCTION (2020)

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Review Engineering, Chemical

Basic oxygen furnace slag: Review of current and potential uses

Tamlyn Sasha Naidu et al.

MINERALS ENGINEERING (2020)

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Article Chemistry, Multidisciplinary

CO2 Utilization via Direct Aqueous Carbonation of Synthesized Concrete Fines under Atmospheric Pressure

Hsing-Jung Ho et al.

ACS OMEGA (2020)

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Review Engineering, Chemical

Carbon Capture and Utilization Technology without Carbon Dioxide Purification and Pressurization: A Review on Its Necessity and Available Technologies

Hsing-Jung Ho et al.

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2019)

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Article Green & Sustainable Science & Technology

Achieving carbon-neutral iron and steelmaking in Europe through the deployment of bioenergy with carbon capture and storage

Hana Mandova et al.

JOURNAL OF CLEANER PRODUCTION (2019)

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Article Agricultural Engineering

Steel slag as accelerant in anaerobic digestion for nonhazardous treatment and digestate fertilizer utilization

Feng Han et al.

BIORESOURCE TECHNOLOGY (2019)

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Review Environmental Sciences

Review of leaching behavior of municipal solid waste incineration (MSWI) ash

Hongwei Luo et al.

SCIENCE OF THE TOTAL ENVIRONMENT (2019)

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Review Energy & Fuels

Utilization of mineral carbonation products: current state and potential

Caleb M. Woodall et al.

GREENHOUSE GASES-SCIENCE AND TECHNOLOGY (2019)

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Article Engineering, Environmental

Steel slag in China: Treatment, recycling, and management

Jianlong Guo et al.

WASTE MANAGEMENT (2018)

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Article Biotechnology & Applied Microbiology

Risk assessment of the utilization of basic oxygen furnace slag (BOFS) as soil liming material: Oxidation risk and the chemical bioavailability of chromium species

Inka Reijonen et al.

ENVIRONMENTAL TECHNOLOGY & INNOVATION (2018)

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Article Biotechnology & Applied Microbiology

Preferential removal of phosphorus using modified steel slag and cement combination for its implications in engineering applications

Jianguo Li et al.

ENVIRONMENTAL TECHNOLOGY & INNOVATION (2018)

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Article Engineering, Chemical

Pilot-Scale Operation of a Concrete Sludge Recycling Plant and Simultaneous Production of Calcium Carbonate

Atsushi Iizuka et al.

CHEMICAL ENGINEERING COMMUNICATIONS (2017)

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Review Green & Sustainable Science & Technology

A Techno-economic analysis and systematic review of carbon capture and storage (CCS) applied to the iron and steel, cement, oil refining and pulp and paper industries, as well as other high purity sources

D. Leeson et al.

INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL (2017)

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Article Engineering, Multidisciplinary

Steel-making slag for mineral sequestration of carbon dioxide by accelerated carbonation

N. L. Ukwattage et al.

MEASUREMENT (2017)

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Article Environmental Sciences

Direct mineral carbonation of steelmaking slag for CO2 sequestration at room temperature

T. D. Rushendra Revathy et al.

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH (2016)

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Article Environmental Sciences

CO2 sequestration by mineral carbonation of steel slags under ambient temperature: parameters influence, and optimization

Alia Ben Ghacham et al.

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH (2016)

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Article Environmental Sciences

CO2 sequestration utilizing basic-oxygen furnace slag: Controlling factors, reaction mechanisms and V-Cr concerns

Tung-Hsin Su et al.

JOURNAL OF ENVIRONMENTAL SCIENCES (2016)

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Article Chemistry, Multidisciplinary

Case study for production of calcium carbonate from carbon dioxide in flue gases and steelmaking slag

Sebastian Teir et al.

JOURNAL OF CO2 UTILIZATION (2016)

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Article Green & Sustainable Science & Technology

Concept and Current State of CO2 Ultimate Reduction in the Steelmaking Process (COURSE50) Aimed at Sustainability in the Japanese Steel Industry

Shigeaki Tonomura et al.

JOURNAL OF SUSTAINABLE METALLURGY (2016)

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Review Engineering, Environmental

Management of solid wastes from steelmaking and galvanizing processes: A brief review

Natalia Cristina Candian Lobato et al.

RESOURCES CONSERVATION AND RECYCLING (2015)

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Review Green & Sustainable Science & Technology

Development of Low-Emission Integrated Steelmaking Process

Sharif Jahanshahi et al.

JOURNAL OF SUSTAINABLE METALLURGY (2015)

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Article Chemistry, Multidisciplinary

Direct Gas-Solid Carbonation Kinetics of Steel Slag and the Contribution to In situ Sequestration of Flue Gas CO2 in Steel-Making Plants

Sicong Tian et al.

CHEMSUSCHEM (2013)

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Article Engineering, Chemical

Bench-Scale Operation of a Concrete Sludge Recycling Plant

Atsushi Iizuka et al.

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2012)

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Article Engineering, Chemical

Aqueous Mineral Carbonation Process via Concrete Sludge

Atsushi Iizuka et al.

KAGAKU KOGAKU RONBUNSHU (2012)

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Article Metallurgy & Metallurgical Engineering

Magnetic Separation of Phosphorus Enriched Phase from Multiphase Dephosphorization Slag

Hironari Kubo et al.

ISIJ INTERNATIONAL (2010)

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Article Metallurgy & Metallurgical Engineering

Recycling Effects of Residual Slag after Magnetic Separation for Phosphorus Recovery from Hot Metal Dephosphorization Slag

Kazuyo Matsubae-Yokoyama et al.

ISIJ INTERNATIONAL (2010)

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Article Green & Sustainable Science & Technology

A Material Flow Analysis of Phosphorus in Japan

Kazuyo Matsubae-Yokoyama et al.

JOURNAL OF INDUSTRIAL ECOLOGY (2009)

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Article Metallurgy & Metallurgical Engineering

The effect of B2O3 on dephosphorization of molten steel by FeOx-CaO-MgOsatd.-SiO2 slags at 1873 K

T Hamano et al.

ISIJ INTERNATIONAL (2005)

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Article Engineering, Chemical

Development of a new CO2 sequestration process utilizing the carbonation of waste cement

A Iizuka et al.

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2004)

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Direct aqueous carbonation of dephosphorization slag under mild conditions for CO2 sequestration and utilization: Exploration of new dephosphorization slag utilization

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