At the maximum recommended rate of 1.5 tonnes/acre, it provides around 60 units of available phosphate together with magnesium, iron, manganese, sulphur and a wide range of trace elements essential for healthy crops and animal wellbeing. Fertilizer using converter slag: Dry field farming: Creates a general soil fertilizer containing a good balance of various fertilizer components needed by crops, including silicate, iron oxide, lime, magnesia, phosphate, manganese, and boron. It is rich in lime and contains 14 to 20 per cent of phosphoric acid. applic. Basic slag definition: a furnace slag produced in steel-making, containing large amounts of calcium phosphate :... | Meaning, pronunciation, translations and examples nom. New Phosphatic Fertilizer from Basic Slag, Hydrochloric Acid, and Rock Phosphate Phosphorus fertilizers are the only means for replenishing phosphorus in soil. is that of basic oxygen furnace slag. Basic slag is a by-product of the steel industry which, when finely ground, is used as a fertilser. Evaluation of phosphate fertilizers: II. afficher. First, steel slag fertilizer was incorporated well with 5.0 kg soil in each plastic pot. Basic slag. Total P2O5 Straight Total P2O5 Compound Grand Total P2O5: Potash . Basic slag is a by-product of steelmaking and is mainly lime so the same rules as when applying other lime i.e you should not apply manure at the same time. [William H Hill; OAC Review Index.] The following article is from The Great Soviet Encyclopedia (1979). A wide variety of basic slag options are available to you, such as 1770° refractoriness 2000°, common (1580° refractoriness 1770°), and super-class (refractoriness> 2000°). basic slag — Metall. Here, we reported the toxicity assessment of Mo slag as a mineral fertilizer for slag recycling in agricultural practices. Slags are calcium and magnesium silicates, which show neutralizing action due to SiO 3 2− base . Basic slag Basic slag. The current steelmaking process is based on the Basic Oxygen Steelmaking process, where a basic slag is produced in the Linz-Donawitz converter. The steel slag fertilizer was applied as the basic fertilizer in each season before rice transplanting. The signs were diffuse and difficult to interpret. Basic slag arising from the manufacture of iron or steel for phosphate fertilizer and other use @AGROVOC Thesaurus Traductions devinées. English World dictionary. Traductions dans le dictionnaire français - anglais. WorldCat Home About WorldCat Help. Ferrous slag is the by-product of iron and steel manufacturing. In China, the first steel slag fertilizer program invested by Taiyuan Iron and Steel Group and Harsco Corporation of the USA started building in 2011 . Super Slag Basic has similar neutralising properties to that of ground limestone and is applied to the land at a similar rate, appropriate to its pH level. The 7500 kg rate, without NPK fertilization, increased soil pH from 5.3 to 6.5. scorie de déphosphoration. n. an alkaline slag that is formed while making steel, used as a fertilizer, in cement, etc. Ammonium phosphate (P2O5) Other NP (P2O5) P K compound (P2O5) N P K compound (P2O5) Totals. See more. basic slag of Chapter. Each year, about 45 million tonnes of ferrous slag (iron and steel slag) is … Définition . Create lists, bibliographies and reviews: or Search WorldCat. Article Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. Basic slag is a co-product of steelmaking, and is typically produced either through the blast furnace - oxygen converter route or the electric arc furnace - ladle furnace route. slag formed by the basic process of steelmaking, used as a furnace or converter lining or as a fertilizer. Called also Thomas slag, phosphatic slag, and odorless phosphate. Search. Steelmaking slag can be further subdivided into hot-metal pretreatment and basic oxygen furnace slags. It might be outdated or ideologically biased. When 3000 kg ha −1 of slag was applied, the increase in soil pH was accompanied by a decrease of AI saturation percentage in the cation exchange complex, to <10%. Additionally, steel slags have been used as a low-cost source to supply Si to rice plants . slag silicate fertilizer, byproduct lime fertilizer, and slag phosphate fertilizer are specified (Tables 1–3 3)). les scories de déphosphoration du chapitre. ALL PRODUCTS: Straight products. basic slag . Home. The first signs of illness appeared 11 days later, and the first case of death appeared 14 days after the initial clinical signs. Because of the slowly released phosphate content, and because of its liming effect, it is valued as fertilizer in gardens and farms in steelmaking areas. Basic slag definition, slag formed by the basic process of steelmaking, used as a furnace or converter lining or as a fertilizer. basic slag: translation /beɪsɪk ˈslæg/ (say baysik 'slag) noun non-siliceous or base-forming slag used for lining furnaces to remove impurities in pig iron during steelmaking. 285 basic slag products are offered for sale by suppliers on Alibaba.com, of which refractory accounts for 51%, welding rods accounts for 2%, and pumps accounts for 1%. (P2O5) Single superphosphate (P2O5) Triple superphosphate (P2O5) Other P straight (P2O5) Compound products. The use of synthetic slags in ladle refining techniques subsequent to decarburization in the basic oxygen furnace has resulted in reduced hydrogen and nitrogen contents and reduced solute impurities. To flux the silica produced during steelmaking, limestone and/or dolomite are added, as well as other types of slag conditioners such as calcium aluminate or fluorspar. Basic slag vs. superphosphate of lime. Slag application increased soil pH linearly, especially where fertilizer was not applied. Basic slag (P2O5) Ground rock dir. The former has been known to contain over 20% silicic acid, where it is used as a raw material for silicate fertilizer. Basic slag used to contain a lot of phosphate when produced from the old Bessimer process but I think the modern furnaces produce slag with much less. Define basic slag. [1885 90] * * * … Universalium. 2014. Mainly heifers, and some cows, were fed with basic slag-contaminated fresh hay. basic slag synonyms, basic slag pronunciation, basic slag translation, English dictionary definition of basic slag. basic slag — /beɪsɪk ˈslæg/ (say baysik slag) noun non siliceous or base forming slag used for lining furnaces to … The fertilizer was laid on the surface without being ploughed in. Super Slag Basic has similar neutralising properties to that of ground limestone and is applied to the land at a similar rate, appropriate to its pH level. It arises from the conversion of ores to iron, hot iron to steel, from melting scrap in an electric arc furnace or from the subsequent treatment of crude steel. Of the various fertilizers using steelmaking slag as a raw materi-al, the most typical one is “slag silicate fertilizer.” Silicate fertilizer is the world’s first fertilizer specification established in 1955 in … basic slag. Afficher les traductions générées par algorithme. Potassium chloride (K2O) Potassium … V. Neufeldt. furnace by specially designed slags prior to refining in a basic oxygen furnace, has reduced tap-to-tap time, lowered cost and produced steel of much higher quality. Phosphorus Fertilizers mineral and organic substances that contain phosphorus and that are used for improving the nutrition of plants. Search for Library Items Search for Lists Search for Contacts Search for a Library. Residual value of nitrophosphates, Gafsa rock phosphate, basic slag and potassium metaphosphate for potatoes, barley and swedes grown in rotation, with special reference to changes in soil phosphorus status - Volume 70 Issue 2 - G. E. G. Mattingly Australian English dictionary. The LD slag contains about 1-3 wt% of P2O5, which is too low to be used as phosphate fertilizer, but, at the same time, it is too high to be used in the BF or recycled in the sinter plants. A by-product from the manufacture of steel by the basic process, used as a fertilizer. basic slag. Basic slag definition is - a slag low in silica and high in base-forming oxides that is used in the basic process of steelmaking and that is subsequently useful as a fertilizer. 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 experimental period. 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