Long-term degradation of dilute polyacrylamide solutions in turbulent pipe flow
Conference
·
OSTI ID:6098616
The long-term degradation behavior of 200 wppM polyacrylamide solution was studied experimentally in a closed recirculatory flow loop at temperatures of 7.2, 25 and 87.8/degree/C. The degradation behavior was found to be strongly dependent on temperature. The results indicate that, with flow shear similar to that encountered in practical DHC pipe flow, polyacrylamide solutions are highly effective and have a reasonable lifetime at chilled water temperature of 7.2/degree/C. 9 refs., 4 figs.
- Research Organization:
- Argonne National Lab., IL (USA)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 6098616
- Report Number(s):
- CONF-890785-1; ON: DE89013275
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320603* -- Energy Conservation
Consumption
& Utilization-- Municipalities & Community Systems-- Public Utilities-- (1980-)
42 ENGINEERING
420400 -- Engineering-- Heat Transfer & Fluid Flow
CHEMICAL REACTIONS
CLOSED-CYCLE SYSTEMS
COOLING
DISPERSIONS
DISTRICT COOLING
DISTRICT HEATING
ESTERS
FLOW STRESS
FLUID FLOW
FRICTION
HEATING
MIXTURES
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PIPES
POLYACRYLATES
POLYMERS
POLYVINYLS
REDUCTION
SOLUTIONS
STRESSES
TEMPERATURE DEPENDENCE
THERMAL DEGRADATION
TURBULENT FLOW
320603* -- Energy Conservation
Consumption
& Utilization-- Municipalities & Community Systems-- Public Utilities-- (1980-)
42 ENGINEERING
420400 -- Engineering-- Heat Transfer & Fluid Flow
CHEMICAL REACTIONS
CLOSED-CYCLE SYSTEMS
COOLING
DISPERSIONS
DISTRICT COOLING
DISTRICT HEATING
ESTERS
FLOW STRESS
FLUID FLOW
FRICTION
HEATING
MIXTURES
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PIPES
POLYACRYLATES
POLYMERS
POLYVINYLS
REDUCTION
SOLUTIONS
STRESSES
TEMPERATURE DEPENDENCE
THERMAL DEGRADATION
TURBULENT FLOW