The clogging of strainers is a major problem in drip irrigation systems. The specific purpose of this work was to study clogging mechanisms of filter screens caused by water containing mostly organic particulates (algae). Different filter screens, filtration velocities, and algal concentrations were used as variables in the investigation. The clogging rate was dependent on these parameters, but did not conform to classical filtration formulas. Filtration index and filter cake specific resistance were calculated to evaluate filter behavior. The phenomenon of larger particles leaving the screen demonstrates a possible detachment mechanism that may result in further clogging of drippers.
[1]
P L Boucher.
A NEW MEASURE OF THE FILTRABILITY OF FLUIDS WITH APPLICATIONS TO WATER ENGINEERING.
,
1947
.
[2]
O. F. French,et al.
Reclaiming Partially Clogged Trickle Emitters
,
1977
.
[3]
Jiftah Ben-Asher,et al.
Effluent in Trickle Irrigation of Cotton in Arid Zones
,
1982
.
[4]
John L. Cleasby,et al.
The Application of Filtration Theory to Pilot‐Plant Design
,
1979
.
[5]
Menahem Rebhun,et al.
A Model to Predict Concentration and Head‐ Loss Profiles in Filtration
,
1977
.
[6]
Chi Tien,et al.
Advances in deep bed filtration
,
1979
.