Description: technologyComment of boric acid production, anhydrous, powder (RER, RoW): This dataset models the production of boric acid from colemanite minerals (calcium borates) with the aid of sulfuric acid, with process yield of 95%. As by-product, gypsum (CaSO4) is produced. The production of boric acid can be summarized with the following reaction equation: (2CaO.3B2O3.5H2O) + 2 H2SO4 → 3 (B2O3.3H2O) + 2 CaSO4
Types:
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text_type: Report,
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Comment: This is a market activity. Each market represents the consumption mix of a product in a given geography, connecting suppliers with consumers of the same product in the same geographical area. Markets group the producers and also the imports of the product (if relevant) within the same geographical area. They also account for transport to the consumer and for the losses during that process, when relevant. This is the market for 'boric acid, anhydrous, powder', in the Global geography. Transport from producers to consumers of this product in the geography covered by the market is included. 'boric acid, anhydrous, powder' is an inorganic substance with a CAS no. : 010043-35-3. It is called 'boric acid' under IUPAC naming and its molecular formula is: BH3O3. It is solid under normal conditions of temperature and pressure and appears in odourless, crystalline form. The substance is modelled as a pure substance. On a consumer level, is used in the following products: washing & cleaning products, lubricants and greases, adhesives and sealants, anti-freeze products and heat transfer fluids. On industrial sites, the substance is used for the manufacture of products in the following sectors: formulation of mixtures and/or re-packaging and building & construction work. This substance is used for the manufacture of: chemicals, mineral products (e.g. plasters, cement), machinery and vehicles, metals and fabricated metal products. This market is supplied by the following activities with the given share: boric acid production, anhydrous, powder, RER: 0.0153333333333333 boric acid production, anhydrous, powder, RoW: 0.984666666666667 generalComment of boric acid production, anhydrous, powder (RER, RoW): This dataset represents the production of 1 kg of solid anhydrous boric acid (industrial grade). Boric acid is a hydrate of boric oxide. Boric acid crystallizes from an aqueous solution as odorless, white, waxy platelets. The most commercialised form is the trihydrate, orthoboric acid, but boric acid also exists in the monohydrate form, refered to as metaboric acid. This dataset models the production of orthoboric acid from the reaction of sulfuric acid with colemanite (the most common calcium borate mineral), which is a typical production process used in Europe. Due to a lack of production data, the inventory is based on stoechiometric calculations, as well as data from a large chemical plant (Gendorf 2016). References: Althaus H.-J., Chudacoff M., Hischier R., Jungbluth N., Osses M. and Primas A. (2007) Life Cycle Inventories of Chemicals. Final report ecoinvent data v2.0 No. 8. Swiss Centre for Life Cycle Inventories, Dübendorf, CH. Schubert, D. M. 2015. Boric Oxide, Boric Acid, and Borates. Ullmann's Encyclopedia of Industrial Chemistry. 1–32. Gendorf (2016) Umwelterklärung 2015, Werk Gendorf Industriepark, www.gendorf.de.
Origin: /Bund/UBA/ProBas
Tags: Borat ? Calcium ? Borsäure ? Schwefelsäure ? Schwefelsäureherstellung ? Nebenprodukt ? Gips ? Mineral ? Mining and quarrying ? Mining and quarrying n.e.c. ? Mining of chemical and fertilizer minerals ? Other mining and quarrying ?
License: unbekannt
Language: Deutsch
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