>

Study on the application of iron and steelmaking slag in …

Steelmaking slag may directly be used as fertilizer, it can be mixed with animal waste materials .Steelmaking slag contains Si, Fe, P, Mn, Ca, and various other elements required in fertilizers. ... Table: Typical values of ferriferous solid wastes generated in India per ton of steel . Sources Amount 1 Blast furnace Slag 320-400 kg/thm 2 Blast ...

>

Uses of Blast Furnace Slag as Complex Fertilizer

J. Chem. Chem. Eng. 6 (2012) 853-859 Uses of Blast Furnace Slag as Complex Fertilizer Abdelhak Maghchiche1*, Ramadan Naseri2 and Abdelkarim Haouam2 1. Pharmacy Department, Batna University, Batna ...

>

Application of BOF Steelmaking Slag as a Partial …

Replacement of commercial fertilizer with steel slag will help abate its dis-posal problem as well as increase profitability for the farmer. In this study, the efects of steel slag on the growth of …

>

10. P fertilizers – rock phosphate – bone meal – basic slag

manufacture of very many phosphatic fertilizers. More than 50 countries produce phosphatic fertilizer. The top five fertilizer producing countries were United States, China, Russia, India and Brazil. Phosphorus when heated in an abundant supply of O 2, it burns and forms P 2O 5 which, when dissolved in waters, forms metaphospheric acid

>

Application of BOF Steelmaking Slag as a Partial …

India is poised to become one of the largest producers of metals after China. This poses its own challenges in terms of solid waste management. ... Slag fertilizer enforced the set of growth rate ...

>

Utilisation of LD slag — An overview

LD slag in their sinter plant and Steel Authority of India Ltd. (SAIL) uses up to 36.6%t61 of the same. LD-slag is harder to crush compared to lime stone and therefore, it may be difficult to attain

>

An Overview of Use of Linz-Donawitz (LD) Steel Slag in …

The total generation rate of LD slag is 150-180kg/t of crude steel in India (Yadav et al., 2002). The generation per annum is 1.28 MT in SAIL (Basu, 2002) and worldwide generation is about 47 MT per annum (Takano et al., 2001). ... LD steel slag as fertilizer in agriculture. Steel LD slag can also be used in fertilizers for agricultural ...

>

Slag-Based Gypsum as a Source of Sulphur, Calcium and

Slag-based gypsum (SBG) is a unique synthetic gypsum which is alkaline in nature, besides calcium (Ca) and sulphur (S); it contains appreciable amounts of iron (Fe), silicon (Si), phosphorus (P) and zinc (Zn). In this study, we evaluated the efficacy of SBG as a source of S, Ca and Si for groundnut in comparison with natural gypsum (NG). The effect of different levels and …

>

Steel Slag Utilization — Overview in Indian …

Physical and chemical characterization of steel slag is a deciding factor of steel slag utilization as recycled raw material as road aggregate, cement and concrete admixture, soil stabilizer...

>

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.

>

Slag-Based Gypsum as a Source of Sulphur, Calcium and …

The Pharma Innovation Journal, 2021. The investigation was carried out on impact of major nutrient and gypsum on soil physico-chemical properties, and results revealed that combined application of NPK @ 25:50:20 kg ha-1 and T4G400 kg ha-1 of gypsum in the soils significantly reduced the various attributes of soil nutrients, and results revealed that gypsum application …

>

Fertiliser India

Fertiliser India Empowering Agriculture for Sustainable Growth We helped people all over the world Countries 1 + Cities 1 + Users 0 K Page Views 1.5 Mn+ WHAT WE PROVIDE 5/5 At FertiliserIndia we believe in providing latest, genuine and resourceful information to our user Fertiliser policy We provide with you with the latest […]

>

Steel Slag Utilization — Overview in Indian Perspective.

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. Presently in India, due to limited modes of practices of utilization, huge amount of iron and steel slag dumped in yards of each production unit and engaging of important ...

>

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

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. Results showed that moderate rates (10 and 20 g kg −1) of slag or acidified slag substantially increased corn dry matter yield and Fe uptake ...

>

Impact of Iron and Steel Slag on Crop Cultivation: …

Relevant results of this study have shown that the use of moderate steel slag or acidified slag as Fe fertilizer leads to the increase in Fe uptake and corn dry matter yield. This phenomenon is proportional to the application rate and is …

>

Development of a Novel Steel Slag-Based Sulfur-Enriched

Linz-Donawitz (LD) slag, a by-product of steel manufacturing process, is rich in iron oxide, calcium oxide, silica, various macro, and micronutrients as well as varying degrees of heavy metals residues. The steel slag, thus, presents an opportunity for their utilization in agriculture beyond the conventional routes of consumption in cement, transport, construction …

>

Fertilizer Types: 6 Main Types of Fertilizers

The European slag contains 15 to 18 percent P 2 O 5 and used as a popular phosphatic fertilizer in central Europe. But slag from Indian steel mills is poor in P 2 O 5 and is not used as a fertilizer. The European slag is suitable for acid soils as it is alkaline in reaction.

>

Steelmaking Slag for Fertilizer Usage

tion of slag silicate fertilizer was more than one million tons.4) In those days, blast furnace slag was used as a raw material for slag silicate fertilizer. Till date, slag silicate fertilizer using blast furnace slag as a raw material has been used under the brand name "Kei-karu." However, as in the case of Thomas phosphate fertilizer of ...

>

Fertilizer industry in India

The Indian Farmers Fertiliser Cooperative Limited (IFFCO) is a multi-state cooperative society based in the country's capital and one of largest fertilizer producers in India, having produced 9.6 ...

>

Sustainably produced concrete using weathered Linz-Donawitz slag …

Various uses, such as fertiliser [26], ... for use in research was supplied by TATA Steel, Jamshedpur, India. The slag used in study was wet quenched. The LD slag used for testing was weathered as received from the producer. An autoclave expansion test found the expansion owing to free lime content to be 2.25% [69], [70] in the laboratory.

>

Recycling steel slag as fertiliser proxy in agriculture is good

Steel slag, a nutrient-rich by-product of steel manufacture, offers a viable alternative. Being substantially cheaper than fertilisers, it is economically attractive for farmers, particularly in low …

>

Achieving Sustainability with LD Steel Slag

Worldwide generation of LD slag waste is about 47 MT per annum [3] and in India, the total generation rate of LD slag waste is (150-180) kg/t of crude steel [4] whereas, in SAIL, the generation per annum is 1.28 MT [5]. Steel melting slag generation is about 4 to 4.5 MT per annum. ... To cover the rising costs of fertiliser, limestone use has ...

>

Production and recycling of blast furnace slag: A life cycle …

This article investigated the cradle-to-gate environmental impact of granulated blast furnace slag (GBFS) produced in the steel industry and replacement of blast furnace (BF) slag (50%) in place of clinker in Portland slag cement using …

>

Slag from steel production as a versatile fertilizer: …

Global steel production has been growing rapidly for the past 60 years, from 500 million tons (Naidu et al., 2020), to 1888.2 million metric tons in 2023 (Bradley Forder, 2024).Slag accounts for 90 % of the total by-products in the steel manufacturing process (Fig. 1 A) and for 15–20 % of the total produced steel, where clean disposal is required to prevent subsequent …

>

Ferrochrome slag: A critical review of its properties, …

Ferrochrome slag (FCS) is a by-product of ferrochrome industries and is produced during the extraction of ferrochrome from chromite ore. The chemical composition of FCS comprises of 27–33% SiO 2, 15–25% Al 2 O 3, 20–35% MgO, and 10–15% iron-chromium compounds.The high chromium content of FCS and the possibility of its leaching into the …

>

An Overview of Use of Linz-Donawitz (LD) Steel …

The total generation rate of LD slag is 150-180kg/t of crude steel in India (Yadav et al., 2002). The generation per annum is 1.28 MT in SAIL (Basu, 2002) and worldwide generation is about 47 MT per annum (Takano et al., 2001). ... LD …

>

Harsco sees slag-to-fertilizer opportunity

AgroSilicio relies heavily on using recycled steel slag and repurposing it as a calcium silicate-based product that possesses the characteristics of fertilizer and soil conditioner. The soil amendment can be …

>

Application of BOF Steelmaking Slag as a Partial …

the environment. Replacement of commercial fertilizer with steel slag will reduce its disposal problem as well as increase profitability for the farmer. Commercial fertilizer was partially replaced (20–60%) with steel slag applied to soils from three districts in West Bengal. The linear growth of the plants was monitored on a daily basis.

>

Utilization of Steel Slag as a Soil Amendment and …

Steel slag can be used directly as a fertilizer, or it can be used more effectively by mixing and preparing compost with vegetable and animal wastes (Reuter et al. 2004; Winkler 2011; Manso et al ...

>

An Overview of Use of Linz-Donawitz (LD) Steel …

Slag generated from basic oxygen furnace (BOF) or Linz-Donawitz (LD) converter is one of the recyclable wastes in integrated steel plants. This paper deals with the present and possible use of LD slag in agriculture.