Principle The Combustible Gas Indicator (CGI) or Explosimeter is used to measure the volume of flammable gas in a gas/air mixture. It gives the result as a percentage of the lower flammable limit. It is used to ascertain the atmosphere in a cargo tank when planning tank cleaning in a too lean atmosphere or for evaluation of C/H gas prior to man entry, hot work or other operations.Marine Safety Appliances MSA 40 is a commonly used CCI. It works on the Catalytic Combustion Principle. A catalytic filament is heated by an electric current. A sample of the atmosphere to be tested is drawn over … [Read more...]
Molasses – Carriage on Tankers
GENERAL Molasses is the thick dark brown syrupy liquid left after sucrose has been removed from the mother liquid in sugar manufacture. There is two type of molasses – cane molasses and beet molasses. Blackstrap molasses is the syrup from which no more sugar can be obtained economically.Synonym of molasses – Treacle.Main composition of molasses at 75 % Dry MatterCane molasses Beet molassesSucrose 30 – 40 % 48 – 52 %Reducing sugars 15 – 20 % 0.2 – 1.2 %Organic non-sugar matter 9 – 12 % 12 – 17 %Sulphated ash 3 – 11 % 3 – 10 % … [Read more...]