SUGAR-PLANTER'S MANUAL.

BEING

A TREATISE

ON THE

ART OF OBTAINING SUGAR FROM THE SUGAR-CANE.

BY

W. J. EVANS, M. D.

PHILADELPHIA:

LEA AND BLANCHARD.

1848.

PREFACE

CONTENTS.

PART I.

TP 377

Page 9

CHAPTER I.

Plants, their Mode of Growth and Development.-Proximate

Vegetable Principles.-Non-azotized.-Azotized.—Catalyssis.

Cane Sugar.-Its Physical and Chemical Properties.-Actions

of Re-agents on.-Molasses.-Treacle

- 47

CHAPTER III.

Sugar-Cane, its Anatomy and Physiology.-Cane-Juice, its Com-

position. The Changes produced upon it by Re-agents.-

Alterations effected during the Life of the Plant.-The Me-

thods employed to ascertain the Quantity of Saccharine Matter

in Liquids

M504691

· 57

PART II.

CHAPTER I.

Means resorted to to extract the Juice from the Cane.—Sugar

Mill. Quantity of Juice obtained uncertain. - Hydraulic

Press.-Slicing and drying of the Canes.-Michiel's Pro-

cess. Results obtained by Mill increased by Care and Atten-

tion.-Five-Roller Mills.-Four-Roller Mills.—Want of Eco-

nomy in the Employment of Megass as Fuel.-Motive Powers

applied to Sugar-mills
Page 92

CHAPTER II.

Defecation of Cane-Juice as at present practised.-Its Utility.-

Its Imperfections.-Principles which ought to guide us in its

Performance.-Improved Methods.-Filtration

CHAPTER III.

·

- 112

Evaporation, Object of. - Present Method. - Objections to it.

-Improved Methods of.-By Naked Fire.-By Steam

Concentration of Syrup, as at present practised.-In a Separate

Teache.-Chaudière à bascule.—By Steam.—At a low Tem-

perature.-Vacuum Pan. Kneller's Pan.-Gadesden's Pan.

-Appearances observed when concentrating Healthy Syrup,

Acid Syrup, Alkaline Syrup, Saline and Viscous Syrup, and

Albuminous Syrup

156