 | Emory Edwards - Steam engineering - 1890 - 570 pages
...States, and it must be nearly the same for the same power in stationary boilers. Means of Prevention. It is absolutely essential to the successful use of...deposit, and certain chemicals introduced into the water will lessen it, yet the only certain cure is periodical inspection and mechanical cleaning. This may,... | |
 | Jay Manuel Whitham - Steam engineering - 1890 - 982 pages
...silica are sometimes found, and an oxide of iron not infrequently is present as a coloring matter. It is absolutely essential to the successful use of...water will delay the deposit, and certain chemicals will change its character, yet the most certain cure is periodical inspection and mechanical cleaning.... | |
 | Jay Manuel Whitham - Steam engineering - 1890 - 966 pages
...silica are sometimes found, and an oxide of iron not infrequently is present as a coloring matter. It is absolutely essential to the successful use of...water will delay the deposit, and certain chemicals will change its character, yet the most certain cure is periodical inspection and mechanical cleaning.... | |
 | Thomas J. Foster - Coal mines and mining - 1891 - 444 pages
...found, and an oxide of iron not infrequently is present as a, coloring matter. MEANS OF PREVENTION. . It is absolutely essential to the successful use of...water will delay the deposit, and certain chemicals will change its character, yet the most certain cure is periodical inspection and mechanical cleaning,... | |
 | International Correspondence Schools - Mining engineering - 1900 - 728 pages
...Organic matter. Corrosion. Precipitate with alum or ferric chloride, and filter. Means of Prevention.— It is absolutely essential to the successful use of...water, that it be accessible for the removal of scale, SOT though a rapid circulation of water will delay the deposit, and certain chemicals will change its... | |
 | Oskar Nagel - Chemical apparatus - 1908 - 336 pages
...infrequently is present as a coloring matter. It is absolutely essential to the successful use of any boiler that it be accessible for the removal of scale, for...water will delay the deposit and certain chemicals will change its character, yet the most certain cure is periodical inspection and mechanical cleaning.... | |
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It is absolutely essential to the successful use of any boiler, except in pure water, that it be accessible for the removal of scale, for though a rapid circulation of water will delay the deposit, and certain chemicals will change its character, yet... 