On the other hand, since steel slag contains essential plant nutrients such as P, S, Mn, Fe, and Mo at various concentrations, it is possible to contribute to soil fertility as mineral …
Abstract. Five inorganic materials (steel slag, silica gel, electric furnace slag, fly ash and Japanese silica fertilizer) and six organic materials (rice husk-biochar, rice straw compost, media of mushroom, cacao shell-biochar, rice husk-ash and elephant grass), were evaluated as Si fertilizer sources for rice plants (Oryza sativa L.) in two soil types (red …
Steel mill services firm Harsco Environmental has been producing and selling AgroSilicio, a low-carbon fertilizer made from steel slag, in Brazil in cooperation with the government of a Brazilian state. Harsco, a division of Philadelphia-based Enviri Corp., has been invited by the Brazilian state of Minas Gerais to make a presentation on the ...
As a product of waste steel industries, slags are high in CaO, P2O5, SiO2, MgO, MnO, and Fe oxides, which can be used for fertilizer applications (Wang and Cai 2006;Ning et al. 2016;Das et al. 2020).
AgroSilicio, a product of Harsco Environmental, has developed a low-carbon fertilizer made of recycled steel slag. The steel industry by-product has reduced Brazil's carbon footprint by more than 80,000 tons, the equivalent of planting 570,000 trees.; Harsco Environmental LATAM regional president to present the solution at the United National …
Abstract. Five inorganic materials (steel slag, silica gel, electric furnace slag, fly ash and Japanese silica fertilizer) and six organic materials (rice husk-biochar, rice straw …
This study aimed to observe the use of steel slag in agriculture as fertilizer, lime and ameliorant in the soils. The method used was the experimental design used steel slag in …
Accelerants can effectively enhance the performance of anaerobic digestion (AD) system. The effects of optimized steel slag as accelerant in the AD of cow manure and the fertility utilization of the digestate were investigated. Results show that all steel slags collected from different iron and stee …
Silica fertilizer is not much available in Indonesia and import silicate fertilizer from other ... Steel slag and bauxite-processing mud had only 5%–7% Si content while BF slags contained 14% ...
In agriculture, steel slag had been successfully used as producing fertilizer, material to neutralize acidic soils, and soil amendments to remedy heavy metal-contaminated soils (Annunziata et al., 2014; He et al., 2017; Matveeva et al., 2018; Wang and Cai, 2006; Wang et al., 2015; Wen et al., 2020).
The hypotheses that may primarily determine how the slag amendment affects rhizosphere microbial community and ecosystem services are, (1) as a rich source of fertilizer components, the slag ...
It has been well documented steel slag is a good silicon fertilizer material; it cannot only improve the fertility ofsoil but also enhance the growth and yield ofcrops and the resistance of plants to disease (Seebold et al. 2001; Datnoff et …
Slag-based silicate fertilizer has been widely used to improve soil silicon- availability and crop productivity. A consecutive early rice-late rice rotation experiment was conducted to test the impacts of steel slag on soil pH, silicon availability, rice growth and metals-immobilization in paddy soil. Our results show that application of slag at a rate …
Most soils in Indonesia need soil ameliorant material. There are various ameliorant materials that can improve soil properties. ... Si, Mg, P, Mn, and Fe contents (Ito 2015). In studies on the determination of the efficiency of using steel slag as Fe fertilizer, it has been revealed that very significant increases in yield and plant Fe intake ...
The effective utilization of slag fertilizer in agriculture to neutralize soil acidity, improve crop ... Slag fertilizers, in particular, iron/steel slag fertilizers are rich in iron. Iron acts as an alternative electron acceptor in ... Japan, China, Indonesia, and Bangladesh indicated the potential of slag fertilizer amendment to decrease CH 4
The effective utilization of slag fertilizer in agriculture to neutralize soil acidity, improve crop productivity, mitigate greenhouse gas emissions, and stabilize heavy metals in contaminated ...
slag silicate fertilizer, byproduct lime fertilizer, and slag phosphate fertilizer are specified (Tables 1–3 3)). Of the various fertilizers using steelmaking slag as a raw materi-al, the most typical one is "slag silicate fertilizer." Silicate fertilizer is the world's first fertilizer specification established in 1955 in Ja-
The major compound in steel slag from induction furnace contains silicon oxide (SiO 2), quartz (SiO 2) and calcium silicate (CaSiO 3) as a major component. EDS spectra of steel slag from cupola furnace showed that the major atoms in the slag are silica and carbon with ratio of 2:1.
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Five inorganic materials (steel slag, silica gel, electric furnace slag, fly ash and Japanese silica fertilizer) and six organic materials (rice husk-biochar, rice straw compost, media of mushroom, cacao shell-biochar, rice husk …
Looking at the merits and associated benefits, some of the top steel-producing countries have adopted or upgraded with a recycling technique of steel slags from time to time for various applications (as shown in Fig. 3), such as for road construction, soil enrichment, cement production, etc. Notably, recycling steel slag for a particular …
Steel slag has been widely used as amendment and silicon fertilizer to alleviate the mobility and bioavailability of heavy metals in soil. The objective of this study was to evaluate the influence of particle size, composition, and application rate of slag on metal immobilization in acidic soil, metals uptake by rice and rice growth.
Effects of steel slag applications on CH 4, N 2 O and the yields of Indonesian rice fields: a case study during two consecutive rice-growing seasons at two sites May 2015 Soil Science and Plant ...
Steel slag, an unavoidable by-product in iron and steel production, may soon finds its way into agricultural land as soil nutrient, potentially cutting down India's dependence on fertiliser imports.
AgroSilicio, a product of Harsco Environmental, has developed a low-carbon fertilizer made of recycled steel slag. The steel industry by-product has reduced Brazil's carbon footprint by more than ...
Slag is used as a soil amendment due to its high. Ca and Mg content, and on the other hand, it is used directly as a ra w material for the production of silicon. …
Abstract. Steel slag is by-product formed in the process of steel manufacturing. In Europe, USA, Japan, China, Korea, and Hawai steel slag has been …
Slag-based silicate fertilizer has been widely used to improve soil silicon- availability and crop productivity. A consecutive early rice-late rice rotation experiment was conducted to test the impacts of steel slag on soil pH, silicon availability, rice growth and metals-immobilization in paddy soi …
The feasibility of steel slag used as an iron fertilizer was studied in a pot experiment with corn. Slag alone or acidified slag was added to two Fe-deficient calcareous soils at different rates ...
1. Introduction. Steel slag is the main solid waste generated in the steel-making process, accounting for 15 to 20% of crude steel output [1].China's crude steel output in 2021 was 1.035 billion tons [2], more than half of the global crude steel output (1.9505 billion tons) [3], and the steel slag output exceeded 120 million tons.In contrast, …
Application of steel slag ameliorant reduced CH4 and CO2 emissions by 19.24% and 18.95%, respectively, on average. Slag ameliorant also reduced acidity of peaty paddy soils. Map of peaty paddy ...
Silicon elution from three types of steel slag fertilizers in a paddy field analyzed by electron probe micro-analyzer (EPMA) ... Each slag fertilizer was crushed with a ball mill to fine powder under 210 μm diameter. ... Silica availability in soils and river water in two watersheds on Java Island, Indonesia. Soil Sci. Plant Nutr., 54, 916 ...
Krakatau Steel Indonesia. The size of t he steel slag was ranged . from gravel (2-4 mm) ... This paper aimed to discuss the use of steel slag in agriculture as fertilizer, lime and ameliorant in ...
Si 0: no Si fertilizer; Si 1: slag fertilizer applied at a rate of 187 mg plant-available Si per kg soil; Si 2: slag fertilizer applied at a rate of 560 mg plant-available Si per kg soil; ... Both steel slag and iron slag are effective in this regard. In this experiment, silicon fertilizer H produced significantly higher grain weight than ...
Current total productions of steel slag in India, are around 12 million tonnes per annum (Indian Minerals Yearbook, May 2016), which is far behind the developed countries. ... Fertilizer and soil ...