Showing posts with label vitriol. Show all posts
Showing posts with label vitriol. Show all posts

Thursday, June 7, 2012

The use of Vitriol



Sulfuric acid(Vitriol) used in the metallurgical industry and metal processing in the metallurgical industry sector, especially non-ferrous metal production processes using sulfuric acid.
For example, by electrolysis of refined copper, zinc, cadmium, nickel, electrolyte will need to use sulfuric acid, some of the precious metals refining, and sulfuric acid to dissolve go to a mixture of other metals. Must be removed with sulfuric acid prior to cold rolling, cold drawing, and stamping processing in the steel industry, the steel surface of iron oxide. Rolled sheet, cold drawn seamless steel tubes and other quality requirements of high steel, must be rolling once washed once with sulfuric acid. In addition, pipe joints, thin metal, wire, etc. during the galvanizing before, go through the sulfuric acid pickling procedures. Some metal machining process, such as nickel, chrome and other metal parts, is also used sulfuric acid to wash the surface rust. In the ferrous metallurgy enterprises sector, the need to pickling of steel is generally about 5% to 6% of the total output of steel per tonne of steel pickling, about consumption of 98% sulfuric acid 30kg ~ 50kg.
Sulfuric acid(Vitriol) used in the production process of the petroleum industry gasoline, lubricants and other petroleum products, concentrated sulfuric acid refining to remove the sulfur compounds and unsaturated hydrocarbons. Per ton of crude oil refining requires sulfuric acid about 24kg, refined needs of sulfuric acid per ton of diesel about 31kg. Preparation of activated clay used in the petroleum industry, but also consume a lot of sulfuric acid.
In concentrated nitric acid, concentrated sulfuric acid as dehydrating agent; chlor-alkali industry, concentrated sulfuric acid to dry chlorine, hydrogen chloride gas, etc.; inorganic salt industry, such as cryolite (Na3AlF6), borax (Na2B4O7 · 10H2O), trisodium (Na3PO4), disodium hydrogen phosphate (of Na2HPO4), lead sulfate (PbSO4), zinc sulfate, copper sulfate, ferrous sulfate and other sulfate preparation should sulfuric acid. Many inorganic acids such as phosphoric acid, boric acid, chromic acid (H2CrO4, sometimes also referred to as of CrO3 Additive), hydrofluoric acid, chlorosulfonic acid (ClSO3H); organic acids such as oxalic acid [(COOH) 2], acetic acid (CH3COOH) and other preparation, but also often need to sulfuric acid as raw materials. In addition, the coke chemical industry (sulfuric acid and ammonia works with coke oven gas-product ammonium sulfate), electroplating industry, the tanning industry, paint industry, rubber industry, paper industry, paint industry (Preparation of organic solvent), industrial explosives and lead-acid battery manufacturing, etc., consume a considerable amount of sulfuric acid.

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The Presentation of Vitriol




Vitriol

Sulfuric acerbic (alternative spelling sulphuric acid) is a awful acerb able mineral acerbic with the atomic blueprint H2SO4. It is a achromatic to hardly chicken adhesive aqueous which is acrid in baptize at all concentrations. Sometimes, it may be aphotic amber as absolute during automated assembly action in adjustment to active people's acquaintance to its hazards. The actual name of this acerbic is oil of vitriol.
It is a diprotic acerbic which may appearance altered backdrop depending aloft its concentration. Its acrimony on metals, stones, skin, eyes and beef or added abstracts can be mainly ascribed to its able acerb attributes and if concentrated able dehydrating acreage and able acerbic property. Concentrated sulfuric acerbic can could cause actual austere accident aloft acquaintance as not alone does it hydrolyze proteins and lipids arch to actinic burn, but aswell dehydrates carbohydrates assuming accessory thermal burn. Permanent amaurosis can aftereffect if it contacts eyes. So, assurance precautions should be done if application it. Moreover, it is hygroscopic which readily absorbs baptize vapour in air.
Possessing altered actinic properties, the sulfuric acerbic has a advanced ambit of applications including calm acerb cesspool cleaner, electrolyte in lead-acid batteries and assorted charwoman agents. It is aswell a axial actuality in the actinic industry. Principal uses cover mineral processing, fertilizer manufacturing, oil refining, wastewater processing, and actinic synthesis. It is broadly produced with altered methods, such as acquaintance process, wet sulfuric acerbic action and some added methods.

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Friday, April 27, 2012

The decription of vitriol


vitriol
Sulfuric acerbic (alternative spelling sulphuric acid) is a awful acerb able mineral acerbic with the atomic blueprint H2SO4. The actual name of this acerbic is oil of vitriol.
It is a achromatic to hardly chicken adhesive aqueous and is acrid in baptize at all concentrations. It is a diprotic acid. The acrimony of it is mainly due to its able acerb nature, able dehydrating acreage and if concentrated able acerbic property.
It has abounding applications and is a axial actuality in the actinic industry. Principal uses cover lead-acid batteries for cars and added vehicles, mineral processing, fertilizer manufacturing, oil refining, wastewater processing, and actinic synthesis.
The abstraction of animadversion began in age-old times. Sumerians had a account of types of animadversion that they classified according to substance’s color. Some of the ancient discussions on the agent and backdrop of animadversion are in the works of the Greek physician Dioscorides (first aeon AD) and the Roman naturalist Pliny the Elder (23–79 AD). Galen aswell discussed its medical use. Metallurgical uses for acerbic substances were recorded in the Hellenistic actinic works of Zosimos of Panopolis, in the argument Phisica et Mystica, and the “Leyden card X”.
Islamic alchemists Jābir ibn Hayyān (c. 721 – c. 815 AD), Razi (865 – 925 AD), and Jamal Din al-Watwat (d. 1318, wrote the book Mabāhij al-fikar wa-manāhij al-’ibar), included animadversion in their mineral allocation lists. Ibn Sina focused on its medical uses and altered varieties of vitriol.
Sulfuric acerbic was alleged “oil of vitriol” by medieval European alchemists. There are references to it in the works of Vincent of Beauvais and in the Compositum de Compositis ascribed to Albertus Magnus. A access from Pseudo-Geber´s Summa Perfectionis was continued advised to be the aboriginal compound for sulfuric acid, but this was a misinterpretation.
In the 17th century, the German-Dutch chemist Johann Glauber able sulfuric acerbic by afire sulfur calm with saltpeter (potassium nitrate, KNO3), in the attendance of steam. As saltpeter decomposes, it oxidizes the sulfur to SO3, which combines with baptize to aftermath sulfuric acid. In 1736, Joshua Ward, a London pharmacist, acclimated this adjustment to activate the aboriginal all-embracing assembly of sulfuric acid.
In 1746 in Birmingham, John Roebuck acclimatized this adjustment to aftermath sulfuric acerbic in lead-lined chambers, which were stronger, beneath expensive, and could be fabricated beyond than the ahead acclimated bottle containers. This advance alcove action accustomed the able industrialization of sulfuric acerbic production. After several refinements, this method, alleged the “lead alcove process” or “chamber process”, remained the accepted for sulfuric acerbic assembly for about two centuries.
Sulfuric acerbic created by John Roebuck’s action approached a 65% concentration. Later refinements to the advance alcove action by French chemist Joseph Louis Gay-Lussac and British chemist John Glover bigger the crop to 78%. However, the accomplish of some dyes and added actinic processes crave a added concentrated product. Throughout the 18th century, this could alone be fabricated by dry distilling minerals in a address agnate to the aboriginal actinic processes. Pyrite (iron disulfide, FeS2) was acrimonious in air to crop iron(II) sulfate, FeSO4, which was breakable by added heating in air to anatomy iron(III) sulfate, Fe2(SO4)3, which, if acrimonious to 480 °C, addle to iron(III) oxide and sulfur trioxide, which could be anesthetized through baptize to crop sulfuric acerbic in any concentration. However, the amount of this action prevented the all-embracing use of concentrated sulfuric acid.
In 1831, British alkali merchant Peregrine Phillips patented the acquaintance process, which was a far added economical action for bearing sulfur trioxide and concentrated sulfuric acid. Today, about all of the world’s sulfuric acerbic is produced application this method.
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