Sistema Biobolsa is a pre-fabricated biodigester that converts daily farm waste waste into renewable energy and organic fertilizer.
Sistema Biobolsa is a continuous flow, tubular, prefabricated, modular, flexible biodigester. The system is composed of pre-fabricated components in order to optimize packaging, transportation and easy installation. It is easy to operate and maintain, and has a long durability.
The main market is Mexico. Sistema Biobolsa is also developing in Central America, with a main office in Nicaragua. Pilot projects and expansion include projects in Honduras, Haiti, Cuba, Peru, as well as in India and East Africa.
The product is distributed by Sistema Biobolsa itself and a network of distributors in all the targeted regions in Mexico and Nicaragua.
Goal 7: Ensure access to affordable, reliable, sustainable and modern energy for all.
Farmers that professionally produce and sell milk, cheese or animal fattening, with access to local and national markets. Average annual income of the target users is $7,000 USD. The farmers should have more than 100 animals and over 7 hectares of farmland to use the smallest Biobolsa system.
The Biobolsa is manufactured in Mexico by a high standard series production line.
In order to get the product, the interested user must contact the manufacturers. The manufacturers require the following information to identify the viability of the project:
- Description of the organization, if it is a school, university, NGO or government institution.
- Objective of the program. Description of the main objective of the program: waste treatment, energy production, food safety, etc.
- Target region to carry out the project. Description of the country, state and municipality in which the project is being considered.
- Number of beneficiaries contemplated. Description of estimated number of beneficiaries to whom you want to install the system or if you are looking to launch a call or search for a standard.
Users can also obtain the product from local distributors like Tecnosol in Nicaragua.
4,756 as of 2018.
The Biobolsa has two main components, a reactor and the tubes and assemblies, The reactor is made with linear low density polyethylene (LLDPE) geomembrane of 1 to 1.5 mm thickness and the tubes and assemblies are made of hydraulic and sanitary PVC. The Biobolsa has 11 base sizes of reactors, with capacity to operate from 4 m3 to 40 m3 of liquid phase. The dimensions for each base size can be found in the company’s catalog.
The biodigester receives the daily farm waste and the manure is mixed with water (1 part manure to 3 parts water).
Sistema Biobolsa systems perform anaerobic digestions. Anaerobic digestion is the breakdown of organic material by micro-organisms in the absence of oxygen. It produces biogas, a methane-rich gas that also contains carbon dioxide with trace amounts of other gases; and digestate, a source of nutrients that can be used as a fertilizer. The digestion process begins with bacterial hydrolysis of the input material in order to break organic polymers into smaller molecules that finally become methane and carbon dioxide after acidogenesis and methanogenesis.
There is a free technical support provided by Sistema Biobolsa’s technicians:
- An initial diagnostics is made by the technicians.
- On the day of installation, there is a first training on how to use the system and how to use biogas.
- After installation, there are three compulsory visits that include training: 1 After 30 days, technical visit with a training on biogas, 2 After 90 days, technical visit with a training on biol, and 3 After 180 days, technical visit with an evaluation of adoption and impact.
A Customer’s Installation manual available.
Sistema Biobolsa provides a replacement service.
The Biobolsa lasts over 15 years. The geo-membrane, tested in lab under UV radiations, has an estimated lifetime of 50 years.interview with manufacturer There is 1 year warranty on any manufacturing defect. Manufacturers also provide 20 year warranty on the geo-membrane.
Performance targets are established depending on the climate and the type of animal manure used. Manufacturers specify the following target gas production: 14.6 m3, 9.7 m3, 5.8 m3 for the 40 m3 size for the following climate conditions: hot climate (>23°C), temperate climate (15°C to 22°C) cold climate (<15°C) respectively. The manufacturers have a Sizing Table available so that end users can look for their best size option and production.
Since extreme caution is necessary when working with biogas, farmers are strongly encouraged to put a wiring around the system to restrict access. They also have to follow a formation taught by Sistema Biobolsa. Adequate ventilation, appropriate precautions, good work practices, and adequate personal protective equipment will minimize the dangers associated with biogas.
The company also offers other products that can be adapted to use the biogas produced by the Biobolsa like burners, stoves, water heaters and biogas motors.
Garwood, A., Network for biodigesters in latin america and the caribbean: case studies and future recommendations. Inter-American Development Bank; 2010 Dec [cited 2015 Jul 20].
Holm-Nielsen, J.B., Al Seadi, T., Oleskowicz-Popiel, P., The future of anaerobic digestion and biogas utilization. Bioresource technology. November 2009;100(22):5478-5484.
Smith R., Eaton A., Arshad H., Ricketts P., Global crowd funding to increase accessibility for small-scale biodigester projects. Boiling point. 2014;62:2-5.
Sistema Biobolsa is certified by B-Corporations. It also has the IS0 9001 certification.Interview with manufacturer
Sistema Biobolsa developed their own criteria. They rely on traceability of each component from the manufacturing plant to field installation.Interview with manufacturer
The design allows the interconnection of Biobolsa, aiming at increasing the system’s treatment capacity volume from 50m3 to 240 m3 in liquid phase.
Sistema Biobolsa has won many awards and recognitions: Social Business of the year, 2010 Businesses in Development (BiD Network); Ashden Award Finalists 2010; Green Tech Challenge Finalists; 2nd place Iniciativa México 2011; International Development Exchange Grant; Switzer Environmental Leadership Fellow; Echoing Green Finalists 2012; Fellow Ashoka, New Ventures México Negocio; Top 10 Entrepreneur of Latin America in 2012 by Univision; Buckminster Fuller Challenge 2014 Finalists.
Expert advisors have indicated that polyethylene, the main material, is cheap but has a shorter lifetime than other quality materials such as PVC (only the fittings are of PVC).
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