CHAPTER XIV. 
PROCESS OF MANUFACTURE. 
Distinctive Features of the Process of Manufacture herein recom- 
mended — Difficulties attendant upon Crystallization from an 
Impure Solution—Defecating Substances, Requirements to which 
they must conform — Advantages of a well-defined System — 
Errors which have hindered Progress in Sugar Production from 
Sorghum—Necessity of a New Mode of Treatment—Disadvant- 
ages of the Common Mode—Constituents of Sorghum Juice— 
Thorough Defecation the great Desideratum in any Method. 
I pestan to embody in the following pages the details 
of a system of manufacturing sugar and syrup from 
sorghum, adapted to common use. This system is based 
strictly upon the results of oft-repeated and carefully-con- 
ducted experiments, and it will be found to embrace some 
facts not previously known, the application of some former 
discoveries to new uses, and the incorporation with these, 
wherever practicable, of any other modes of working that 
were found upon trial to be of practical value, and worthy 
of being perpetuated. 
Among the distinctive features of this process are the 
following : 
1. A method by which the crystallizable sugar in the 
juice is separated from the impurities which prevent its 
assuming the crystalline form. This consists in the use of 
a chemical agent which it is believed has not heretofore 
been applied for the defecation of sorghum juice. 
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