contact sulphuric acid
1sulphuric acid — a powerful corrosive acid, H2SO4, widely used in industry. Swallowing the acid causes severe burning of the mouth and throat and difficulty in breathing, speaking, and swallowing. The patient should drink large quantities of milk or water or… …
2sulphuric acid — a powerful corrosive acid, H2SO4, widely used in industry. Swallowing the acid causes severe burning of the mouth and throat and difficulty in breathing, speaking, and swallowing. The patient should drink large quantities of milk or water or… …
3Contact process — For other uses, see Contact process (mathematics). The contact process is the current method of producing sulfuric acid in the high concentrations needed for industrial processes. Platinum was formerly employed as a catalyst for the reaction, but …
4acid — [[t]æ̱sɪd[/t]] ♦♦♦ acids 1) N MASS An acid is a chemical substance, usually a liquid, which contains hydrogen and can react with other substances to form salts. Some acids burn or dissolve other substances that they come into contact with.… …
5acid mine drainage — noun acid drainage triggered by mining processes, especially those which expose large surface areas of rock. Abbrev.: AMD Acid mine drainage describes the toxic environmental effect of contaminated water runoff from mining sites (often abandoned) …
6Sulfuric acid — Sulfuric acid …
7Lead-acid battery — Batteries caption=A valve regulated lead acid battery EtoW=30 40 Wh/kg EtoS=60 75 Wh/L PtoW=180 W/kg|CtoDE=70% 92% EtoCP=7(sld ) 18(fld ) Wh/US$ [http://www.geocities.com/CapeCanaveral/Lab/8679/battery.html] SDR=3% 20%/month… …
8Nitric acid — Nitric Ni tric, a. [Cf. F. nitrique. See {Niter}.] (Chem.) Of, pertaining to, or containing, nitrogen; specifically, designating any one of those compounds in which, as contrasted with {nitrous} compounds, the element has a higher valence; as,… …
9sulfuric acid — Chem. a clear, colorless to brownish, dense, oily, corrosive, water miscible liquid, H2SO4, usually produced from sulfur dioxide: used chiefly in the manufacture of fertilizers, chemicals, explosives, and dyestuffs and in petroleum refining. Also …
10Mining in Zambia — Centres of mining operations include Konkola and Kitwe. Contents 1 Mining in Kitwe 1.1 Mopani Copper Mines 1.2 Konkola Copper Mine 1.3 Rokana Mine …
