Contents 



PAGE 



Chapter 1: The Ocean, Its Potentialities and Products 1 



Potential Resources of the Ocean • The Chemical Wealth of the Ocean 

 The Ocean Floor • Biological Aspects • Relative Importance of Marine 

 Products • Variety of Products • Fish • Shellfish • Crustacea ■ Seal 

 Fur and Leather ■ Whale Oil and Meal • Tortoise-shell • Sponges 

 Coral • Salt and By-Products • Vegetable Products • Possibilities. 



Chapter 2 : Salt from Sea Water 12 



Importance, Properties and Uses of Salt • Market Grades and Specifications 

 Solar Salt, Importance and Location of Industry • Oriental Leaching 

 Method • Oriental Solar Process • Improved Oriental Process • Euro- 

 pean Solar Salt Process • The California Solar Salt Industry • Procedure 

 at San Francisco Bay. 



Chapter 3: The Refining of Sea Salt 27 



The Necessity of Refining Sea Salt • American Processes of Refining Sea 

 Salt, Principles and Methods • Refining by Rewashing • Refining by Re- 

 crystallization in Grainers • Alberer Salt Refining System • Recrystal- 

 lization in Vacuum Pans • American Grades of Refined Sea Salt. 



Chapter 4: Magnesium, Bromine and Other Products from Sea 



Water 37 



The Recovery of By-Products from Bittern • Importance of By-Products 

 Balard's Process • California Process • Minerals Direct from Sea Water 

 Bromine from the Sea • Metallic Magnesium from Sea Water • Mag- 

 nesia and Magnesia Salts from Sea Water. 



Chapter 5: The Red Algae of Economic Importance: Agar and 



Related Phycocolloids 47 



History • Classification of the Algae • Edible Red Algae • Nori In- 

 dustry of Japan • Food Value of Edible Algae • Funori: Seaweed Glue 

 and Sizing • The Irish Moss Industry • Collecting Irish Moss • Drying 



The Manufacturing Process • Properties of Carrageenin • Types of 

 Carrageenin Products and Their Uses • Agar • Definitions • The Jap- 

 anese Industry • The American Agar Industry • The Agar Industry in 

 Other Countries • Hypnea Agar, A New Type • Chemical Nature of Agar 



Uses of Agar. 



Chapter 6: The Brown Algae— Algin from Kelps and Fucoids 94 



The Chemical and Physical Properties of Algin and Sodium Alginate • Har- 

 vesting of Seaweed for Algin Manufacture • Processes of Manufacturing 

 Algin and Alginates • Stanford's Process • The Kelco Process • Algin 

 Corporation Process • Uses of Alginic Acid and Alginates ■ Miscellaneous 

 Uses of Seaweeds • Composition and Value of Seaweeds as Manure • Al- 

 gae Used for Stock Feed • Marine Plants Used for the Making of Mattresses 

 and Upholstery • Odd Uses for Seaweeds. 



