Specification of James Brough Pow : treating sewage.

  • Pow, James Brough.
Date:
1872
Catalogue details

Licence: Public Domain Mark

Credit: Specification of James Brough Pow : treating sewage. Source: Wellcome Collection.

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    A.D. 1871.—N° 2760. Specification. jPow's Improved Arrangements for Treating Sewage. The present process is capable only of removing the matters held in machanical suspension, and that very imperfectly, and cannot eliminate the more dangerous elements held in solution. By my principle the water is oxidised by aeration, and is further purified by passing through the carbonised charges of the filters by 5 which the phosphates are removed with all other prejudicial constituents, and by which means the generation of fungi so common in polluted water is entirely prevented. . Having now particularly described and ascertained the nature of my said Invention and how the same is to be carried into effect, I wish it to 10 be understood that I make no claim to the principle of ascension filters in general, but what I do claim and desire to secure by these Letters Patent is,— I Pirstly. The peculiar construction and arrangement of the ascension filters herein-before described and shown. 151 Secondly. I claim the mode of aerating water herein-before described and shown for purifying sewage and other water. Thirdly. I claim the construction and arrangement of kilns for drying sewage as herein-before described and shown. And, lastly, I claim the arrangements for confining sewage water in 20 the sewer herein-before set forth. In witness whereof, I, the said James Brough Pow, have hereunto set my hand and seal, this Thirteenth day of April, One thou¬ sand eight hundred and seventy-two. JAMES BBOUGH POW. (l.s.) 25 LONDON : Printed by George Edward Eyre and William Spottiswoode, Printers to the Queen's most Excellent Majesty. 1872. .