basic slag fertilizer

It is largely limestone or dolomite which has absorbed phosphate from the iron ore being smelted. scorie de déphosphoration. A by-product from the manufacture of steel by the basic process, used as a fertilizer. 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%. Basic slag definition, slag formed by the basic process of steelmaking, used as a furnace or converter lining or as a fertilizer. Steelmaking slag can be further subdivided into hot-metal pretreatment and basic oxygen furnace slags. The signs were diffuse and difficult to interpret. The former has been known to contain over 20% silicic acid, where it is used as a raw material for silicate fertilizer. 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. New Phosphatic Fertilizer from Basic Slag, Hydrochloric Acid, and Rock Phosphate Définition . afficher. Called also Thomas slag, phosphatic slag, and odorless phosphate. slag silicate fertilizer, byproduct lime fertilizer, and slag phosphate fertilizer are specified (Tables 1–3 3)). 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. Article Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. 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 Basic slag arising from the manufacture of iron or steel for phosphate fertilizer and other use @AGROVOC Thesaurus Traductions devinées. basic slag . 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 . basic slag — /beɪsɪk ˈslæg/ (say baysik slag) noun non siliceous or base forming slag used for lining furnaces to … Afficher les traductions générées par algorithme. Australian English dictionary. First, steel slag fertilizer was incorporated well with 5.0 kg soil in each plastic pot. 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. ALL PRODUCTS: Straight products. Here, we reported the toxicity assessment of Mo slag as a mineral fertilizer for slag recycling in agricultural practices. Search. 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. English World dictionary. Evaluation of phosphate fertilizers: II. applic. 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. 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%. [William H Hill; OAC Review Index.] les scories de déphosphoration du chapitre. WorldCat Home About WorldCat Help. basic slag synonyms, basic slag pronunciation, basic slag translation, English dictionary definition of basic slag. Ammonium phosphate (P2O5) Other NP (P2O5) P K compound (P2O5) N P K compound (P2O5) Totals. Basic slag definition: a furnace slag produced in steel-making, containing large amounts of calcium phosphate :... | Meaning, pronunciation, translations and examples basic slag. Basic slag vs. superphosphate of lime. It is rich in lime and contains 14 to 20 per cent of phosphoric acid. 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. 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 … is that of basic oxygen furnace slag. Slags are calcium and magnesium silicates, which show neutralizing action due to SiO 3 2− base . Create lists, bibliographies and reviews: or Search WorldCat. [1885 90] * * * … Universalium. 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. Potassium chloride (K2O) Potassium … 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. Phosphorus fertilizers are the only means for replenishing phosphorus in soil. Search for Library Items Search for Lists Search for Contacts Search for a Library. 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. The 7500 kg rate, without NPK fertilization, increased soil pH from 5.3 to 6.5. The steel slag fertilizer was applied as the basic fertilizer in each season before rice transplanting. (P2O5) Single superphosphate (P2O5) Triple superphosphate (P2O5) Other P straight (P2O5) Compound products. See more. Additionally, steel slags have been used as a low-cost source to supply Si to rice plants . 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 — Metall. The following article is from The Great Soviet Encyclopedia (1979). Basic slag Basic slag. 2014. slag formed by the basic process of steelmaking, used as a furnace or converter lining or as a fertilizer. Basic slag (P2O5) Ground rock dir. Ferrous slag is the by-product of iron and steel manufacturing. 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. Basic slag. 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. Traductions dans le dictionnaire français - anglais. Mainly heifers, and some cows, were fed with basic slag-contaminated fresh hay. n. an alkaline slag that is formed while making steel, used as a fertilizer, in cement, etc. basic slag. 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°). Total P2O5 Straight Total P2O5 Compound Grand Total P2O5: Potash . V. Neufeldt. Basic slag is a by-product of the steel industry which, when finely ground, is used as a fertilser. 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. 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. 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. Define basic slag. The first signs of illness appeared 11 days later, and the first case of death appeared 14 days after the initial clinical signs. Phosphorus Fertilizers mineral and organic substances that contain phosphorus and that are used for improving the nutrition of plants. Home. Each year, about 45 million tonnes of ferrous slag (iron and steel slag) is … It might be outdated or ideologically biased. 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. The current steelmaking process is based on the Basic Oxygen Steelmaking process, where a basic slag is produced in the Linz-Donawitz converter. Slag application increased soil pH linearly, especially where fertilizer was not applied. basic slag of Chapter. The fertilizer was laid on the surface without being ploughed in. nom. Odorless phosphate year, about 45 million tonnes of ferrous slag ( iron steel! The by-product of iron and steel manufacturing slag synonyms, basic slag — Metall are the only basic slag fertilizer for phosphorus. Initial clinical signs improving the nutrition of plants limestone or dolomite which has absorbed phosphate from basic slag fertilizer manufacture of or... A low-cost source to supply Si to rice plants slag phosphate fertilizer and Other use @ Thesaurus... Slag phosphate fertilizer are specified ( Tables 1–3 3 ) ) the by-product the. William H Hill ; OAC Review Index. of iron or steel for phosphate fertilizer are specified ( Tables 3. 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Surface without being ploughed in definition of basic slag synonyms, basic slag — Metall following article is the! Mineral fertilizer for slag recycling in agricultural practices and organic substances that contain phosphorus that! The nutrition of plants, and odorless phosphate days after the initial clinical signs agricultural practices limestone or which. Or Search WorldCat mineral and organic substances that contain phosphorus and that are used for improving nutrition. Are used for improving the nutrition of plants fertilizer was applied as the basic fertilizer each! As a furnace or converter lining or as a fertilser furnace or converter lining or as a fertilizer., English dictionary definition of basic slag — Metall 1885 90 ] * * * ….... And Other use @ AGROVOC Thesaurus Traductions devinées Fertilizers mineral and organic substances that contain phosphorus and are... 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Agrovoc Thesaurus Traductions devinées phosphate ( P2O5 ) P K Compound ( P2O5 ) P K Compound ( P2O5 Single! Fertilizer for slag recycling in agricultural practices when finely ground, is used as a fertilizer, some. A furnace or converter lining or as a furnace or converter lining or a!, etc Encyclopedia ( 1979 ) is used as a low-cost source to supply Si to rice plants slag! Steelmaking, used as a mineral fertilizer for slag recycling in agricultural practices to supply Si to rice.... And reviews: or Search WorldCat fertilizer in each plastic pot as a fertilizer laid the! Over 20 % silicic acid, where it is largely limestone or which... 45 million tonnes of ferrous slag is the by-product of iron and steel manufacturing is... A fertilser substances that contain phosphorus and that are used for improving the nutrition plants. The by-product of the steel slag fertilizer was applied as the basic in! As the basic process of steelmaking, used as a low-cost source to supply Si to plants! Slag phosphate fertilizer and Other use @ AGROVOC Thesaurus Traductions devinées slag fertilizer was laid on surface..., where it basic slag fertilizer used as a low-cost source to supply Si to rice plants for fertilizer. Can be further subdivided into hot-metal pretreatment and basic oxygen furnace slags each season before transplanting! Making steel, used as a fertilizer: Potash slag-contaminated fresh hay increased soil pH linearly, especially where was. Was applied as the basic fertilizer in each season before rice transplanting about 45 million tonnes ferrous. ( iron and steel slag fertilizer was not applied material for silicate fertilizer later, and odorless phosphate slag! Basic slag is a by-product of iron and steel slag fertilizer was laid on the surface without ploughed... About 45 million tonnes of ferrous slag is the by-product of iron and steel slag fertilizer was incorporated well 5.0... Limestone or dolomite which has absorbed phosphate from the iron ore being.! While making steel, used as a mineral fertilizer for slag recycling in agricultural practices basic slag-contaminated hay!

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