usage of steel slag for fertilizer in Thailand

Steel slag amendment impacts on soil microbial …

In recent years, a number of studies have reported the beneficial effects of slag and/or slag-based fertilizer application to improve soil quality and plant …

Utilization of Steel Slag as a Soil Amendment and Mineral Fertilizer …

Keywords: Steel slag, Basic oxygen furnace (BOF), Electric arc furnace (EAF), Induction furnace (IF), Soil amendment, Mineral fertilizer 1. Introduction The use of steel slag in the remediation of acidic soils and the improvement of plant nutrient availability of infertile soils is a cost-effective and environmentally friendly approach that ...

Use of steelworks slag in Europe

Besides the use of steel slag for making wearing courses, mixtures of BOS- or EAF-slags, air-cooled blast-furnace slag and granulated blast- furnace slag or PFA achieve useful properties as a result of hydraulic binding. ... 17% for metallurgical use; 16% as fertilizer; and 10% as bulk material. With respect to EAF-slag, figures are ...

Utilization of Steel Slag as a Soil Amendment and Mineral Fertilizer …

Steelmaking slag for fertilizer usage. Nippon Steel & Sumitomo Metal Technical Report No. 109, 130–136. Jafer H M, Atherton W, Sadique M, Ruddock F & Loffill E (2018). Development of a new ternary blended cementitious binder produced from waste materials for use in soft soil stabilisation. Journal of Cleaner Production 172: 516–528.

Cropping With Slag to Address Soil, Environment, and Food …

The influence of slag fertilizer on the soil microbiome are diverse and the possible mechanisms of slag-microbes interactions can be as follows: (1) slag fertilizer supplies nutrients not only to the plant but also to soil microorganisms; (2) slag fertilizer modifies soil microbial habitats by improving soil properties (e.g., increasing soil pH ...

Leaching behavior and microstructure of phosphorus in converter slag

Converter slag is a by-product of the steelmaking process and contains a large amount of Ca, Fe, P and other elements. If the phosphorus in the converter slag can be effectively extracted, the resulting phosphorus can be used as a phosphate fertilizer. Phosphorus in converter slag is mainly enriched in 2CaO·SiO2–3CaO·P2O5 …

Steelmaking Slag for Fertilizer Usage

lizers made from steelmaking slag, sil icic acid has the most important fertilizer effect. For example, a paddy field has been reported to produce a yield of 6 tons/ha, the absorption …

Steel Slag as an Iron Fertilizer for Corn Growth and Soil …

Use of stainless-steel slag for the fabrication of ceramic membrane is a promising option for the pretreatment of seawater for reverse osmosis desalination, and …

Steel slag may now be used as fertiliser for soil

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.

Steel slag as accelerant in anaerobic digestion for …

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 …

(PDF) Steel Slag as an Iron Fertilizer for Corn Growth and …

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.

Production, characterisation, utilisation, and beneficial soil

Section snippets Slag production in the metallurgical industry. The iron-making and steel-making industries produce four types of slags, named after the processes from which they are produced (Fig. 2): Blast Furnace Slag (BFS), Basic-Oxygen Furnace Slag (BOFS), Electric-Arc Furnace Slag (EAFS), and Ladle Furnace Slag (LFS), and …

Processing and Reusing Technologies for Steelmaking Slag

Steelmaking slag includes the following: slag produced in the hot-metal pretreatment processes (desiliconization, dephosphoriza-tion, desulfurization, etc.), slag flowing out …

Impact of Iron and Steel Slag on Crop Cultivation: A …

The use of steel slag in agriculture produces not only economic but also ecological advantages. The value of silicon (Si) application for rice (Oryzasativa) has been demonstrated ... Use of slag as an iron fertilizer The problem of iron (Fe) chlorosis can affect many crops on calcareous soils, resulting in substantial yield losses. Generally it ...

Application of BOF Steelmaking Slag as a Partial …

Second Set of Experiments. Figure 13a (90% steel slag and 10% commercial fertilizer) and 13 (b) ( steel slag) are shown the growth of peas plant. For 2nd set of experiments, only peas plant was chosen. After conducting 1st set of experiments, it was observed that the growth of chickpea plants is quite slow with …

Impacts of Steel-Slag-Based Silicate Fertilizer on Soil Acidity …

The National Natural Science Foundation of China entitled "Immobilization of heavy metals in a contaminated paddy soil using nano-slag-based silicon fertilizer and ecological assessment" (Approved No. 51509249), The 12th Five-year Key Programs entitled "Techniques for Agricultural Use of Steel and Iron Slag: Research and …

In situ stabilization of heavy metals in multiple-metal …

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.

Utilization of Steel Slag in Agriculture (Review)

Steel slag is a large discharge of industrial waste slag. Chinese effective utilization rate of steel slag is only 20%, causing great harm to the environment and economy.

Steel slag as accelerant in anaerobic digestion for …

In general, use steel slag accelerant in the AD system is an effective strategy not only for realizing the resource utilization but also for achieving hazard-free treatment of waste (steel slag and cow manure). 4. Conclusions. The use of steel slag accelerants in AD systems considerably improve biogas production and COD degradation rate.

An Overview of Utilization of Steel Slag

In developed countries such as Germany, USA, France and Japan, converter slag is used to produce siliceous fertilizer, phosphorus fertilizer and micronutrient fertilizer [68]. In China, the first steel slag fertilizer program invested by Taiyuan Steel Group and Harsco Corporation of USA started building in 2011. 4.

Steel slag amendment reduces methane emission and …

Paddy field, being a man-made wetland, is recognized as one of the major sources of global methane (CH 4) emission.Since China has the second-largest area of rice cultivation in the world, it is important to develop valid and reliable strategies to reduce CH 4 emission and sustain rice productivity in Chinese paddy fields. In this study, we applied …

Steel Slag Utilization — Overview in Indian Perspective.

Fertilizer and soil imp rovement . ... Use of Steel Slag as E ngineering Material and Its . Limitations (June 18, 2012). CAN2012 Tenth A ES-ATEMA International Conference AES-ATEMA' 2012 .

An Overview of Utilization of Steel Slag

In developed countries such as Germany, USA, France and Japan, converter slag is used to produce siliceous fertilizer, phosphorus fertilizer and micronutrient …

Utilization of Steel Slag as a Soil Amendment and …

Therefore, the use of steel slag as agricultural lime material and/or mineral fertilizer is of great importance (Hemalatha 2013; Wen et al. 2020). The slag formed as a result of the steelmaking ...

Steel Slag as an Iron Fertilizer for Corn Growth and Soil …

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 …

Euroslag

Each year, about 45 million tonnes of ferrous slag (iron and steel slag) is generated in Europe. Examples of traditional applications of ferrous slag are the use as aggregates and cement component in the building sector or as fertilizer. Slag types; Aggregates; Cement / Concrete;

Utilization of Steel Slag as a Soil Amendment and Mineral Fertilizer …

(DOI: 10.15832/ankutbd.1197239) The gradual increase in industrial wastes allowed the utilization of these wastes in different areas. Steel slag, one of the industrial wastes, is formed during the reduction of molten crude iron to molten crude steel in basic oxygen furnaces (BOF) or scrap to molten crude steel in electric arc furnaces (EAF) and …

Utilization of Steel Slag as a Soil Amendment and Mineral …

The primary area of application of steel slag is aggregate production in road construction with a rate of 43%. While the rate of internal use for metallurgical purposes is 11%, it is …

Steel Slag as an Iron Fertilizer for Corn Growth and …

Pedosphere 16(4): 519-524, 2006 @ 2006 Soil Science Society of China Published by Elsevier Limited and Science Press ISSN 1002-0160/CN 32-1315/P Steel Slag as an Iron Fertilizer for Corn Growth ...