Boiler Feed Water Treatment, 3rd Ed.

Boiler Feed Water Treatment, 3rd Ed.

Boiler Feed Water Treatment, 3rd Ed.

F. J. Matthews / FJMatthews

252,36 €
IVA incluido
Disponible
Editorial:
Chemical Publishing
Año de edición:
1951
Materia
Química industrial
ISBN:
9780820600987
252,36 €
IVA incluido
Disponible
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Contents - PART 1. NATURAL WATER SUPPLIES - Rain water - Surface water - River water - Spring water - Well water - Canal water - Pit water -Effects of drought - Condensate as feed water - Water blending - PART 2. SCALE FORMATION - Effect of scale -Lime-soda process -Hot lime-soda softening - General notes on plant - Nuclear precipitation - Caustic soda softening -Sodium aluminate with lime-soda treatment - Zeolite or base-exchange softeners - Partial Zeolite softening - Hydrogen and demineralizing zeolites - Lime-base exchange treatment - The B.B.A. dejector - Lime-Barium softeners - Necessity for conditioning boiler feed - Colloidal conditioning-Mechanism of scale formation - Carbonate and phosphate conditioning - Use of metaphosphate and pyrophosphate - Budenheim phosphate treatment -Silica scales and deposits - Turbine blade deposits - Potassium treatment - Chlorination of condenser cooling water - Scale formation in cooling water systems - Scale formation in economizers - Electrical scale prevention - Removal of scales and deposits - PART 3. CORROSION - Early theories of corrosion-Corrosion by differential aeration - Dissolved oxygen Deaeration by chemical methods - Deaeration by physical methods - Corrosion due to unstable salts - Danger of soft water Corrosion by carbon dioxide - Superheater and turbine corrosion - Economizer corrosion-The treatment of alkaline waters - Caustic embrittlement - Hydrogen ion concentration -Determination of pH values - Hydrogen ions and corrosion - Coagulation control - Softening plant control - Boiler water recirculation -Electrical methods of preventing corrosion - PART 4. FOAMING AND PRIMING - Causes of priming - Balanced layer film formation - Foam stabilization -Prevention of priming - Blow-down control - Intermittent blow-down -Continuous blow-down systems -Use of condensate and blending of waters - Removal of oil from water -Methods of de-oiling water - PART 5. ANALYSIS AND ROUTINE TESTING - Sampling-Standard solutions -Frequency of analyses - Units - Control tests for softening - Raw water - Chemicals required for treatment - Control tests for softening - Treated water -Tests for carbonate and phosphate conditioning - Dissolved oxygen -Blow-down testing - Embrittlement ratios - General water analysis -Analysis of scales-Residual chlorine - Tannins - Appendix - Index - Standard solutions -Reagents-Clark’s table of hardnesses -Chemical factors - Conversion tables - Summary of recommended practice -

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