AguaClara Reach Full Scale Plant
AguaClara Reach Full Scale Plant is a gravity-fed water filtration system.
The AguaClara Reach Full Scale Plant is a compact gravity-fed water treatment system that uses a five-step process to treat and filter water for 1,000 up to 50,000 people.
This product is implemented and distributed by Cornell University and Agua Clara LLC
Goal 6: Clean water and sanitation
Communities of 1,000-50,000 people that lack access to clean water
The product is produced within the community using local materials.
This product is distributed by Cornell University Engineering Department
List of the methods used for purification
Manufacturer-specified water treatment rate, measured in liters per hour
Laboratory-evaluated log scale removal rate of bacteria
Laboratory-evaluated log scale removal rate of viruses
Laboratory-evaluated log scale removal rate of protozoa
Reduction levels of heavy metals and/or arsenic through this treatment system
Manufacturer-specified maximum level of inlet turbidity (NTU)
Range or value of outlet turbidity levels (NTU)
Is there safe water storage integrated into this product?
What is the total number of liters that is recommended can be filtered?
List consumables of this product (power, filters, etc.)
The AguaClara Full Scale Plant removes large sediment and grit before introducing coagulant and chlorine through a chemical dosing process. After this, the water begins a flocculation and sedimentation process where the sediment and particulate matter is collected in a flock blanket and disposed of as waste. The residual water passes through angled plates and enters a six-layered Stacked Rapid Sand filter. The effluent water is collected in a distribution tank for use.
<0.3 NTU effluent turbidity
0.3 NTU effluent turbidity
Chavez, K., 2013, Introducing AguaClara: The Process of Establishing a Pilot Plant in the State of Chiapas, Cornell Institute of Public Affairs.
Kelley, C., Krolick, A., Brunner, L., Burklund, A., Kahn, D., Ball, W., Weber-Shirk, M., 2014, An Affordable Open-Source Turbidimeter, Sensors 14(4), pp. 7142-7155.
Adelman, M. et al., 2013, Floc Roll-up and its Implications for the Spacing of Inclined Settling Devices, Environmental Engineering Science, 30(6).
Adelman, M. et al., 2013, A novel fluidic control system for stacked rapid sand filters, Journal of Environmental Engineering.
Swetland, K., 2012, From stock to floc: an investigation into the physical/chemical processes controlling aluminum sulfate and polyaluminum chloride behavior in a gravity powered drinking water treatment plant, Cornell University.
Swetland, K. et al., 2012, Predictive performance model for hydraulic flocculator design with polyaluminum chloride and aluminum sulfate coagulants, Journal of Environmental Engineering.
Effluent turbidity is in compliance with the WHO standard of <5 NTU turbidity.
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