Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3764Chemical news office., 1932 |
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Strona 361
... sand filters for lime and soda ash softening plants and filter presses for the sludge , is represented by the latest plant and equipment of the Paterson Engineering Co. Ltd. of London . The addition of separate closed pressure sand ...
... sand filters for lime and soda ash softening plants and filter presses for the sludge , is represented by the latest plant and equipment of the Paterson Engineering Co. Ltd. of London . The addition of separate closed pressure sand ...
Strona 362
... sand is agitated for a short period by means of compressed air or a steam injector , and the disentangled im- purities swept away by a momentary reversal of the flow of water , the same sand lasting for years without opening the filters ...
... sand is agitated for a short period by means of compressed air or a steam injector , and the disentangled im- purities swept away by a momentary reversal of the flow of water , the same sand lasting for years without opening the filters ...
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a-particles AMMONIUM CHLORIDE arsinic ARTHUR DAVIES atomic nuclei base exchange bituminous coals Blood Ryan bombarded British countries brown-coals Bureau of Mines carbon Carmarthenshire Cavendish Laboratory celluloses Chadwick chemical Chemistry CHLORIDE closed pressure sand coal substance Colloid countries in Africa covery developed discoveries discussed disintegration elements entropy enzymes experimental experiments Faculty filter presses geology grits gums H.F. aq H.F. solid Heat of Formation Honorary hydrogen industrial Kennelly-Heaviside layer laboratory lecture lignites lime and soda Llansawel London Lord Rutherford M.Sc metallic methods Mosquitoes natural gas neutron obtained oxidation paper Paraffin particle Patent Office pebbles phenomena physicist plant polar lights Positive Ions powder pressure sand filters Prof proton R.I. Obs R.I. Theor radiation recent result Rhayader rocks Royal Society scientific shown Sir George Beilby SIR HENRY WELLCOME sludge soda ash softening Southampton Buildings teeth Thomsen thyratron tion Trade Marks Tropical valves varying voltage Wellcome zinc