ASCE Standard 2 2022

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ASCE/EWRI Standard 2-22: Measurement of Oxygen Transfer in Clean Water

Published By	Publication Date	Number of Pages
ASCE	2022

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Category: ASCE

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Description

Prepared by the Committee on Oxygen Transfer Standards of the Special Standards Division of the Environmental & Water Resources Institute of ASCE

Measurement of Oxygen Transfer in Clean Water, ASCE/EWRI 2-22, provides the latest methods for measuring the rate of oxygen transfer from diffused gas and mechanical oxygenation devices to water. This standard aims to be general enough to be applied to all clean water unsteady-state tests and specific enough to incorporate all essential procedures.

This standard is an update of the 2006 version. Revisions to the mandatory requirements include use of the nonlinear least squares estimates for parameter fitting, the need to correct and report results to a common TSS level, and acceptance of a nitrogen gas method for deoxygenation. A new commentary provides a detailed description of a supersaturated oxygen desorption method. This method may be incorporated into a future revision of the standard as an acceptable method, pending a comparison of results with existing deoxygenation methods.

ASCE 2-22 is meant to be used by engineers in the preparation of specifications for compliance testing by manufacturers developing performance information and is applicable to laboratory scale oxygenation devices with water volumes of a few gallons, as well as to full-scale systems with water volumes typical of those found in the activated sludge wastewater treatment process.

PDF Catalog

PDF Pages	PDF Title
4	FM_online
14	ch1_online
18	ch2_online
20	ch3_online
22	ch4_online
24	ch5_online
26	ch6_online
32	ch7_online
34	ch8_online
36	ch9_online
38	App_A_online
40	App_B_online
42	App_C_online
44	App_D_online
46	App_E_online
48	App_F_online
50	Ch-c1_online
54	Ch-c2_online
58	Ch-c5_online
60	Ch-c6_online
62	Ch-c8_online
64	Index_online