chlorine in not given Electrolysis; NaOH formed at cathode and chlorine formed at anode; gas proofed anode region, asbestos diaphragm; mixing of NaOH and chlorine in a special region;;
参考文献
Gmelin Handbook: Na: MVol., 48.2, page 196 - 197
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Fitzgerald; Molloy
Patent: EP1376 , 1872 ;
in not given passing Cl into NaOH lye at temp. below 27°C; stirring; pptd. NaCl is removed; addn. of solid NaOH;; soln. of chloride chlorine and hypochlorite chlorine;;
参考文献
Gmelin Handbook: Na: MVol., 106, page 373 - 375
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United Alkali Company, Limited
Patent: EP25748 , 1898 ;
dihydrogen peroxide in water; toluene satn. of toluene with a ClO2/N2-mixture (ratio 20:80) at 0°C, neutralization with NaOH, introduction of ClO2/N2, addn. of 30percent NaOH and 15-20percent H2O2, separation of layers, evapn. of lower layer;; 90percent NaClO;;
参考文献
Gmelin Handbook: Na: SVol.1, 27, page 157 - 160
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Nissan Chemical Industries Co.
Patent: JP2426 , 1954 ;
C. A., 1955 , p. 2688
(borax or MgCO3) in water byproducts: CaCO3, NaCl; addn. of calcinated Na2CO3 to CaCl(OCl) and Ca(OCl)2 in H2O, filtration of CaCO3, treatment with NaOH and HClO (from CaCO3 and Cl2 in presence of CCl4);; 190g active chlorine per l; not isolated;;
(borax or MgCO3) in water byproducts: CaCO3, NaCl; addn. of calcinated Na2CO3 to CaCl(OCl) and Ca(OCl)2 in H2O, filtration of CaCO3, treatment with NaOH and Cl2 at <15°C;; 190g active chlorine per l; not isolated;;
