BANANA TREE CIRCLE

The Banana Circle is a solution that integrates natural processes to treat and reuse waste, contributing to soil health and environmental sustainability. The system consists of a concave infiltration trench with a cylindrical shape, initially filled with a layer of gravel. Several layers of branches, leaves and natural debris are added to this layer, where facultative and anaerobic microorganisms act, responsible for stabilizing the organic matter. After this stage, the system has an artificial soil bed, intended for the treatment and final disposal of sewage. In this bed, the infiltration and evapotranspiration of the liquid part of the sewage occurs, the reuse of residual organic matter and the promotion of groundwater recharge. In some cases, this technique can be called a Fertility Center.

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GREY WATER FILTER

The biological filter is a system for filtering grey water, i.e. water from sink drains, showers and laundry tubs. This system consists of four filter boxes and a circle of banana trees. The first box consists of a common grease trap; the second is a box with gravel; the third is a box with sand and the fourth is a box with charcoal. In this way, the water that leaves homes returns to the environment with more than 70% purity, avoiding excess organic matter, soaps, grease and chemicals in community streams. The system filters the coarser material and grease and promotes the development of bacteria that decompose the particulate matter.

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EVAPOTRANSPIRATION TANK - TEVAP

The TEVAP system, or Evapotranspiration Tank, is an innovative individual solution for the treatment and final disposal of effluents from domestic toilets. This system allows the proper disposal of human waste without causing water, soil or air pollution. Based on technical knowledge and practical experience, TEVAP uses easily obtainable materials, such as used tires, construction debris, bamboo and other locally available resources, and is designed to promote sustainable development, being environmentally correct, economically viable and socially fair.

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ADOBE CONSTRUCTION (ECOLOGICAL BATHROOMS)

Superadobe is an innovative bioconstruction technique that uses long fabric tubes or bags filled with compacted soil in layers to form robust and durable compression structures. The main raw material used is moist earth, which makes the construction process simple and affordable. This technology is particularly advantageous for the construction of toilets in hard-to-reach and isolated areas, providing a cost-effective solution for basic sanitation.

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ARTICULATION BETWEEN PUBLIC AUTHORITIES AND SOCIAL MOVEMENTS FOR THE PROMOTION OF SUSTAINABLE AND HEALTHY TERRITORIES (OBSERVATORY OF SUSTAINABLE AND HEALTHY TERRITORIES)

Created from a partnership between the Oswaldo Cruz Foundation (Fiocruz) and the Forum of Traditional Communities of Angra dos Reis, Paraty and Ubatuba (FCT), the Observatory of Sustainable and Healthy Territories (OTSS) is a technopolitical space for generating critical knowledge, based on the dialogue between traditional and scientific knowledge, for the development of strategies that promote sustainability, health and rights for the well-being of traditional communities in their territories.

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COMMUNITY DISASTER RISK CONTINGENCY PLAN

The process of collectively developing community plans to deal with disaster risks, carried out with traditional communities in areas vulnerable to socio-environmental and technological risks, aims to develop skills and abilities to deal with disasters. Such actions also aim to strengthen local management of the SUS, integrating environmental surveillance, civil defense and social assistance for the effective promotion of health equity.

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REUSE OF WASTE FOR ENERGY GENERATION (BIOSYSTEM)

A biosystem is a facility that uses a biodigester to process organic waste, such as food scraps, animal manure and human feces, through an anaerobic process. This process transforms the waste into biogas and natural fertilizer. The biogas, which is filtered and stored in the equipment itself, can be used as cooking gas, providing up to 3 hours of gas per day. In addition to biogas, the system also generates a natural fertilizer, which is collected in a container located at the back of the equipment and can be used to fertilize crops.

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PARTICIPATORY REDEVELOPMENT OF SANITATION SYSTEMS AND BATHROOMS

New construction of existing treatment, cleaning and sealing systems and installation of biodigesters, when necessary. As a complementary treatment, Root Zones are built - chambers filled with submerged filter media, where facultative and anaerobic microorganisms act, responsible for stabilizing the organic matter. To increase the efficiency of the system, macrophyte plants - species from marshes and humid environments - are used. The filtering material used is gravel 04, also known as “split stone”, at the bottom, and gravel 01 and gravel 00 at the top. Due to difficulties in the logistics of transporting the material, bamboo can be used as filtering material, since it is found in abundance locally.

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