slag as a fertilizer in Indonesia

Sustainable and Comprehensive Utilization of Copper Slag: A …

Large amounts of copper slag are produced every year and major fractions of it are currently disposed, not withstanding the multiple ways the material can be used. Application of the slag is often limited by the presence of hazardous elements and their leaching behavior so they can potentially pollute soil, surface water and underground …

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 used in numerous farming markets in agribusiness to correct chemical imbalances, nutrient deficiencies and soil toxicity, Harsco says.

Steelmaking Slag for Fertilizer Usage

CaO SiO2 MgO MnO Fe Al2O3 P2O5 Blast furnace slag 41.7 33.8 7.4 0.3 0.4 13.4 0.1 Steelmaking slag 45.8 11.0 6.5 5.3 17.4 1.9 1.7 respect to steelmaking slag, about 100 000 tons are used annually as a raw material for slag silicate fertilizer, byproduct lime fertilizer, slag phosphate fertilizer, and special fertilizers.

PEMANFAATAN STEEL SLAG INDONESIA DI BIDANG …

Steel slag is by-product formed in the process of steel manufacturing. In Europe, USA, Japan, China, Korea, and Hawai steel slag has been utilized in agriculture as a material for improving acid soil or as Si source for paddy rice and sugar cane plants. Currently, Indonesia produces annually about 540,000 ton of electric furnace …

Basic Slag | SouthernGro Fertilizer

Basic Slag. Item Number: SGF100. Weight: 50lbs. Description; Directions; Analysis; SouthernGRO is a high-quality fertilizer perfect for helping replenish vital nutrients in your lawn, garden, or food plot. SouthernGRO helps build strong, deep roots which leads to greener foliage and an overall healthier plant. ... ©2024 SouthernGRO Fertilizer ...

Evaluation of industrial wastes as sources of fertilizer silicon …

Six inorganic industrial-waste materials (coal fly ash, bauxite-processing mud, steel slag, two samples of air-cooled blast furnace [BF] slag, and one sample of water-cooled BF slag), along with wollastonite, were evaluated as fertilizer-Si sources. Evaluation was carried out by analyzing total and extractable Si fractions in the materials, by …

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 in several ... 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 ...

Indonesia Fertilizer Companies

The Indonesia Fertilizer Market is expected to reach USD 8.47 billion in 2024 and grow at a CAGR of 6% to reach USD 12.14 billion by 2029. PT Pupuk Kujang, PT. Pupuk Kalimantan Timur, PT. Pupuk Sriwidjaya Palembang, PT Petrokimia Gresik and Wilmar International Limited are the major companies operating in this market.

Silicon elution from three types of steel slag fertilizers in a …

Each slag fertilizer was crushed with a ball mill to fine powder under 210 μm diameter. One tenth of a gram of this fine powder of slag fertilizer and 0.5 g of cation exchange resin were added into 400 mL of distilled water in a plastic bottle (volume 500 mL). The screw cap of the bottle was fastened. This bottle was shaken at 100 rpm at 25°C.

The Comprehensive Utilization of Steel Slag in …

The use of metallurgical solid wastes such as steel slag, in agricultural activity, has become very important to contribute to reducing the accumulation of such wastes in the environment and to increase …

Mechanism of slag-based silicate fertilizer suppressing …

The addition of electron acceptors to boost soil microbes competitive to methanogens could minimize methane (CH 4) emissions from paddy soils.To study the microbiological mechanisms underlying the suppression of CH 4 emissions, silicate fertilizer made from blast furnace slag that contains electron acceptors, such as Fe, …

Utilization of Steel Slag in Wetland Rice Cultivation on Peat …

Most soils in Indonesia need soil ameliorant material. There are various ameliorant materials that can improve soil properties. ... In combination with NPK fertilizer, steei slag 2.5 % produced higher rice yield than steel slag 5.0 %. On the other hand, in combination with saprodap or standard fertilizers, steel slag 5.0 % produced higher yield ...

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 …

Fertilizer

The use of fertilizers and materials produced from blast furnace and steel slags has a long tradition. For example Thomasphosphate had been used for more than hundred years. Silicate …

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-

Fertilizer Price in Indonesia

Fertilizer Imports in Indonesia. Fertilizer imports into Indonesia skyrocketed to 11M tons in 2022, jumping by 35% compared with 2021. In general, imports posted a significant increase. As a result, imports reached the peak and are likely to continue growth in the immediate term. In value terms, fertilizer imports skyrocketed to $3.6B in 2022.