Updated on December 20, 2023

·

Created on August 27, 2015

EkoLakay toilet

Upcoming Update

EkoLakay is an ecological toilet with a waste collection service.

Developed By
  1. SOIL Haiti
Tested By
  • SOIL Haiti
Content Partners
Unknown

Author

Product Description

The EkoLakay is a household ecological toilet. Under this social business model, households pay for EkoLakay toilet installation and a service plan which includes weekly waste collection by SOIL. Waste is brought to one of SOIL’s two composting waste treatment facilities and transformed from human waste into safe, organic, agricultural-grade compost.

Target SDGs

SDG 6: Clean Water and Sanitation

Market Suggested Retail Price

$50.00

Target Users (Target Impact Group)

Household

Distributors / Implementing Organizations

SOIL Haiti

Manufacturing/Building Method

Both wooden and cement toilet models are manufactured locally.

Intellectural Property Type

Open-source

User Provision Model

Customers pay approximately $4-5 USD per month which covers toilet installation, carbon cover material, and weekly waste collection.

Distributions to Date Status

The Ekolakay serves an estimated ~4,000 people in Port-au-Prince and Cap Haïtian (as of March 2016).

Toilet type

Container-based service

Evacuation method

Dry

Storage conditions

Container storage

Capacity (L)

20 L feces container, 12 L urine container

Time until emptying

Weekly collection frequency

Design Specifications

EkoLakay toilet specs: Height (with plastic seat): 21 in; Length: 20 in; Width: 15.75 in; Weight: 28 lbs Materials: local wood, imported plastic toilet seat, locally made plastic bucket and urine gallon (all materials are purchased locally). The toilet has a 5 gallon (19 liter) bucket that is changed out each time it is full. The waste treatment process involves transport to a composting waste treatment facility where the solid waste is covered with bagasse (a by product of sugar cane juice extraction). Over the next few days the temperature of the compost rises, effectively killing any viruses contained in the human waste. The waste is mixed with carbon matter and undergoes a rapid decomposition process for 6+ months until it is transformed into nutrient-rich agricultural compost.

Product Schematics

Technical Support

Technical support is provided by the collection service providers.Interview with representative  

Replacement Components

Replacement components are provided as part of the service contract.Interview with representative

Lifecycle

Service providers recover any toilets that are defective or at end-of-life and recycle and dispose of them appropriately.Interview with representative

Manufacturer Specified Performance Parameters

Unknown

Vetted Performance Status

An independent study on SOIL's composting process found that the Haitian EcoSan composting process was effective in inactivating E. coli and Ascaris worms in latrine waste within sixteen weeks.

Safety

Waste handling requires protective clothing.

Complementary Technical Systems

Unknown

Academic Research and References

Tilmans, S. et al., 2015, Container-based sanitation: assessing costs and effectiveness of excreta management in Cap Haitien, Haiti. Environment and Urbanization, 27(1): 89-104

Russel K. et al., 2015, User perceptions of and willingness to pay for household container-based sanitation services: experience from Cap Haitien, Haiti. Environment and Urbanization 27(1): 1-15

Berendes, D. et al., 2015, Ascaris and Escherichia coli Inactivation in an Ecological Sanitation System in Port-au-Prince, Haiti. D. PLoS ONE 10(5): 1-14. **This study is one of the first to document the efficacy of an ecological sanitation system under field conditions and provides insight into composting methods and monitoring for other international settings.

Goal 6. Available: https://sdgs.un.org/goals/goal6

 

 

Compliance with regulations

SOIL's waste transformation process exceeds the World Heath Organization’s standards for the thermophilic composting.      

Evaluation methods

Field trials and pilots.

Other Information

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