Steel slag in China: Treatment, recycling, and management

Steel slag fertilizer was applied at a rate of 200 and 400 g m −2, which led to an increased yield of about 8% for the rice planted compared with the rice planted without the slag fertilizer application; this increase extended another 4% when the applied amount of slag was doubled (Gao et al., 2015). Steel slag, however, contains trace ...

Steel slag amendment impacts on soil microbial communities …

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 ...

PEMANFAATAN STEEL SLAG INDONESIA DI BIDANG …

slag increased effectiveness of phosphatic guano for direct application as P fertilizer. Phosphatic guano was significantly ... Pemanfaatan Steel Slag Indonesia di bidang pertanian. J. Tanah Lingk., 12(1):36-42. Pemanfaatan Steel Slag Indonesia (Suwarno) 37 serta pembersih kapal, tangki penimbun minyak, dan lain-

Comprehensive utilization of steel slag: A review

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, …

Silicon Release from Local Materials in Indonesia under …

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

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

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 ...

Silicon Release from Local Materials in Indonesia under …

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 …

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

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 ...

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

The steel slag fertilizer was applied as the basic fertilizer in each season before rice transplanting. First, steel slag fertilizer was incorporated well with 5.0 kg soil in each plastic pot. These pots were incubated for 30 days after addition of slags and watered daily with distilled water to maintain 2–3 cm submergence throughout the ...

Effects of steel slag applications on CH4, N2O and the yields …

Steel slag, a by-product of the steel industry, is already used in fertilizer manufacturing and registered as silicate fertilizer in Japan because of its high iron, …

Utilization of Steel Slag as a Soil Amendment and …

World Steel Association aims to achieve zero waste in the steel industry by reusing and recycling steel slag. Using the slag in other areas reduces the amount of waste, disposal costs, and energy use.

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

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 ...

PEMANFAATAN STEEL SLAG INDONESIA DI BIDANG …

As a material, effect of Indonesian steel slag on growth of plant was slightly better than those of calcite and dolomite. In combination with phosphatic guano, Indonesian …

Effects of steel slag applications on CH 4, N 2 O and the …

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 ...

Silicon elution from three types of steel slag fertilizers …

ORIGINAL ARTICLE Silicon elution from three types of steel slag fertilizers in a paddy field analyzed by electron probe micro-analyzer (EPMA) Kimio ITO1, Koichi ENDOH2, Yutaka SHIRATORI3 and Kazuyuki INUBUSHI4 1Advanced Technology Research Laboratories, Nippon Steel & Sumitomo Metal Corporation, 20-1 Shintomi, …

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

The effective utilization of slag fertilizer in agriculture to neutralize soil acidity, improve crop productivity, mitigate greenhouse gas emissions, and stabilize heavy metals in …

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.

A Review on Environmental Concerns and Technological …

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 …

UTILIZATION OF STEEL SLAG IN IMPROVING SOIL …

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 …

UTILIZATION OF STEEL SLAG IN IMPROVING SOIL …

steel slag for agriculture as lime and fertilizer. The consideration they used in applying steel slag ... Steel slag in Indonesia has been used limited in research field, for example for soybeans (Glycine max L. Merr.) and sorghum (Sorghum vulgare Pers.). Lime can increase pH of Ultisols from pH of 5.5 to 6.5. Steel slag used as lime gave a ...

Steel slag as accelerant in anaerobic digestion for …

The images of three steel slag accelerants were characterized by SEM analysis (E-supplementary data for this work can be found in e-version of this paper online). All steel slag particles showed irregular morphologies: some particles were spherical, some were lumpy, and many were irregularly shaped, as shown in the images of three steel …

Utilization of Steel Slag in Agriculture (Review)

This paper aimed to discuss the use of steel slag in agriculture as fertilizer, lime and ameliorant in the soils. The content of elements and compounds in steel slag is the basic component...

Utilization of Steel Slag as a Soil Amendment and Mineral …

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 are achieved …

(PDF) Amelioration of Ultisols in West Java Indonesia with

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 ...

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 ...

Utilization of Steel Slag as a Soil Amendment and Mineral …

The effective utilization of slag fertilizer in agriculture to neutralize soil acidity, improve crop productivity, mitigate greenhouse gas emissions, and stabilize heavy …

Environmental benefit assessment of steel slag utilization …

Steel slag is the by-product during the separation of molten steel from impurities in the steel-making furnace. The basic oxygen furnace (BOF) slag, electric arc furnace (EAF) slag, and ladle furnace (LF) slag are three major types of SS produced in the steelmaking processes.As drawn in Fig. 2, BOF slag and EAF slag are both produced …

PT. KRNG Indonesia

About Us. Based on accumulated experience in the steel byproduct recycling business in the domestic steel industry, we run blag furnace slag and steel slag, factory scale business and recycle business at PT.Krakatau Posco steel plant.

Possible Uses of Steelmaking Slag in Agriculture: An …

production of iron and steel slag in Europe in 2008 was of 45.6 million tonnes1 and decreased in 2009 and 2010 only due to the steel production slow down caused by the ... slags are mainly used for road construction, hydraulic engineering, and fertilizer, BF slag is mainly used for cement production 2. 1 Source: European Slag Association, EUROSLAG

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