Excerpt from The Activated-Sludge Method of Sewage Treatment: Thesis The Nuisance Removal Act, passed by the British Parliament in 1855, at the close of a severe cholera epidemic, marks the begin ning of the scientific study of the chemistry and biology of sewage. This was the first appreciation of the necessity for treating sewage in such a manner as to render it nonputrescible. Since 1855 innumerable theories have been advanced, and many processes have been tried but the ideal process has not yet been found. Plants ...
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Excerpt from The Activated-Sludge Method of Sewage Treatment: Thesis The Nuisance Removal Act, passed by the British Parliament in 1855, at the close of a severe cholera epidemic, marks the begin ning of the scientific study of the chemistry and biology of sewage. This was the first appreciation of the necessity for treating sewage in such a manner as to render it nonputrescible. Since 1855 innumerable theories have been advanced, and many processes have been tried but the ideal process has not yet been found. Plants which were among the first constructed, and plants representing all processes having any merit at all are still in use. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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