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Friedrich Christian Accum. Description of the Process of Manufacturing Coal Gas
Description of the Process of Manufacturing Coal Gas
Table of Contents
PREFACE
ADVERTISEMENT
PART I
General Nature and Advantages of the art of procuring Light, by means of Carburetted Hydrogen, or Coal Gas
PART II
Outline of the new art of procuring light by means of coal gas, and Theory of the production of Gas Lights
PART III
Classification of Pit-coal, and maximum quantity of gas, obtainable from different kinds of Coal
PART IV
Form and dimensions of the Retorts originally employed for manufacturing Coal Gas
Application of heat.—Flue Plan originally adopted
Report on a course of Operations, made with sets of 66, of 30, of 116, and of 64 retorts, worked on the Flue Plan
Process I
Process II
Oven plan lately adopted
Description of the Retort Oven
PART V
Difference in the quantity of Gas evolved during different periods of the distillatory process, and economical considerations resulting therefrom in the manufacture of Coal Gas
Report on a course of Experiments made to ascertain the comparative Economy[17] of manufacturing every week, 857,667 cubic feet of gas, by means of Cylindrical Retorts variously worked
Process A
Process B
Process C
PART VI
Temperature best adapted for working Cylindrical Retorts
Annual Creditor and Debtor Account of manufacturing daily from 50,000 to 102,000 cubic feet of gas at the price which coal bears in the metropolis.—The operation being commenced with new Retorts, and the retorts being left in a fit working state
Process I
Process II
Process A
Process B
Comparative facility with which the decomposition of different species of Coal is effected
PART VII
Horizontal Rotary Retorts, lately brought into use for manufacturing coal gas
Description of the Horizontal Rotary Retorts at the Royal Mint.[31]
Action and Management of the Horizontal Rotary Retort
Advantages of the method of manufacturing Coal Gas by means of Horizontal Rotary Retorts
Directions to workmen, with regard to the management of Horizontal Rotary Retorts
PART VIII
Purifying Apparatus, or Lime Machine
Lime Machine originally employed for the Purification of Coal Gas
Lime Machine lately adopted
Test Apparatus, for certifying the purity of coal gas, and the proper manner of working the Lime Machine
PART IX
Gas Holder
Gas Holder as originally employed
Gas Holder with Governor, or Regulating Gauge, lately brought into use
Gas Holder with Governor or Regulating Guage at the Gas Works Chester
Gas Holder with Governor or Regulating Guage at the Birmingham Gas Works
Revolving Gas Holder at the Westminster Gas Works
Rule for finding the capacity of a Revolving Gas Holder of given dimensions
Collapsing Gas Holder
Rule for finding the capacity of a Collapsing Gas Holder of given dimensions
Reciprocating Safety Valve
PART X
Gas Metre, or Self-acting Guage, which measures and registers, in the absence of the observer, the quantity of Gas produced in a given time, from any given quantity of coal, or consumed during a given period, by any number of burners or lamps
Description of the Gas Metre at the Royal Mint Gas Works
Rule for calculating the weight, which a Gas Metre of given dimensions, will raise to a given height, in a given time
Gas Holder Valve,—Siphon, or Water Reservoir
PART XI
Governor or Regulating Guage
Directions to Workmen for fixing the Governor and Gas Metre.[49]
PART XII
Gas Mains, and Branch Pipes
Weight of cast iron Gas Mains of different lengths and bores
PART XIII
Gas Lamps, and Burners
Directions to Workmen, for adapting Gas Pipes to the interior of houses
PART XIV
Illuminating power of Coal Gas, and quantity of Gas consumed in a given time, by different kinds of Burners, and Gas Lamps
Ventilation of Apartments lighted by Coal Gas
PART XV
Gas from Coal Tar
Gas from Oil
PART XVI
Other products obtainable from Coal, namely:—Coal Tar—Pitch—Coal Oil—Ammoniacal Liquor, and conversion of the latter into Carbonate, and Muriate of Ammonia
Coal Tar
Coal Oil
Pitch
Manufacture of Carbonate of Ammonia from the Ammoniacal Liquor of Pit Coal
Manufacture of Muriate of Ammonia from the Ammoniacal Liquor of Coal
DESCRIPTION OF THE PLATES
INDEX
LONDON PRICE LIST
Wrought iron Gas Tubes screwed and fitted, warranted to bear a pressure equal to a column of water 300 feet high
Copper Tubes
Brazed sheet iron Tubes
Cost of laying cast iron Gas mains in London. To take up the ground, to fill in, but not to re-pave the ground, and to drive two and a half inches of lead into the joints of the pipes
ESTIMATE. OF. A Gas Light Apparatus, Capable of producing every 24 hours, a light equal to 21,330 tallow candles, eight in the pound, burning for six hours
