Transcriber's Note:

The cover image was created by the transcriber and is placed in the public domain.

A Sub-surface Irrigation Sewage-Disposal Plant.

Sewage. Frontispiece.

Practical Methods of Sewage Disposal
FOR RESIDENCES, HOTELS AND INSTITUTIONS

HENRY N. OGDEN

M. AM. SOC. C.E.

Professor of Sanitary Engineering, Cornell University

AND

H. BURDETT CLEVELAND

ASSOC. M. AM. SOC. C.E.

Principal Assistant Engineer, New York State Department of Health

FIRST EDITION

FIRST THOUSAND

NEW YORK

JOHN WILEY & SONS

London: CHAPMAN & HALL, Limited

1912

Henry N. Ogden

and

H. Burdett Cleveland

PUBLISHERS PRINTING CO., 419–421 LAFAYETTE ST, NEW YORK

iii

	PAGES
Chapter I. Introductory


The problem of sewage disposal. Composition and character of sewage. Action of bacteria. Soils and their value for sewage treatment. Three essential conditions for effective sewage purification. Rates of operation. Preliminary and final treatment.	1–13


Chapter II. The Settling Tank

Function and capacity of settling tanks. Their construction. Siphon chambers. Use of concrete. Pipe connections. Roof. Baffle boards. Imhoff or Emscher tanks.	14–36


Chapter III. Valves, Siphons, and Siphon Chambers

Hand valves. Gate valves. Flap valves. Various types of siphons. Alternating and plural siphons. Air-lock siphons. Dosing apparatus.	37–54


Chapter IV. Sub-surface Irrigation

Advantages of sub-surface irrigati ... BU KİTABI OKUMAK İÇİN ÜYE OLUN VEYA GİRİŞ YAPIN! Sitemize Üyelik ÜCRETSİZDİR!

CONTENTS