on fertilizer production blast furnace slag in ethiopia

fertilizer Fertilizers made of blast furnace slag or steelmaking slag are categorized in slag silicate fertilizer byproduced lime fertilizer slag phosphate fertilizer or iron matter of special fertilizer Effective elements in blast furnace slag are Ca Si and Mg Steelmaking slag

Jul 31 2019 · POSCO slag is recycled 100 as fertilizer and cement Blastfurnace slag is rich in silicic acid an excellent fertilizer for rice farming Altogether 390000 tons of POSCO slag was used for agricultural farming in 2018 POSCO also developed POSMENT an ecofriendly cement with a higher portion of slag which reduces CO2 emission up to 60

Blast furnace slag is one of the major byproducts of which fraction are approximately 50 of the total byproducts and wastes combined 1 2 The slag is a mixture of lime silica an d alumina

PURPOSE To improve productivity and also to improve fertilizing effect by mixing pulverized steelmaking slag and pulverized blastfurnace slag and pelletizing the resulting mixture CONSTITUTION

The report on Global Granulated BlastFurnace Slag Market offers indepth analysis on market trends drivers restraints opportunities etc Along with qualitative information this report include the quantitative analysis of various segments in terms of market share growth opportunity analysis market value etc for the forecast years

In 2016 82 Mta of blast furnace slag was produced of which only 29 Mta 354 was granulated slag and 53 Mta 646 was aircooled blast furnace slag In addition 74 Mta of steelworks slag was produced Fig 9 shows the amounts recovered It can be seen that only granulated blast furnace slag GBFS can be used as a cement additive

Because blast furnace slag includes fertilizer components CaO SiO 2 and MgO it is used in rice cultivation as a calcium silicate fertilizer To make rock wool used as thermal insulation molten slag is formed into fibers and then processed into sheets or other shapes

About 220–370 kg of slag is produced per ton of iron Blast furnace slag was used as early as 1880 as a phosphatic fertilizer Today blast furnace and steel slag have found a wide application in areas such as cement production road construction civil engineering work fertilizer production landfill daily cover and soil

Metallurgical slag Metallurgical slag is among the hardest stones used in road construction Because of its enormous resistance to abrasion and excellent grip characteristics metallurgical slag is used in wearresistant asphalt surface layers It is also used as an additive in cement making Pouring ladle slag Is used as an additive in the blast furnace

lated blast furnace slag dephosphorization slag and decarburization slag were used in this study Each fertilizer consisted of spherical granules made from each slag powder diameter 600 μm Each granule was about 3 mm in diameter and 008 g in weight Granulated blast furnace slag was the watercooled type We also used air