Composting facilities
Introduction
The Silva Digestora Bale is an anaerobic composting practice that ferments organic matter through manual pressing of waste. It is considered a technological and ecological practice characterized by being versatile, economical and with a high level of efficiency.[1] This decomposes different types of biodegradable waste, such as kitchen, garden and manure waste, through fermentation processes.[2] The mechanism consists of agglomerating organic waste within a square mold, which is combined with remains of green plant material and leaf litter, forming layers in an approximate ratio of 50%-50%.[3] These material remains Green and dry vegetables protect organic waste by isolating them from the outside environment to promote fermentation instead of putrefaction. Compaction is the main difference of this technique compared to composting piles that require periodic attention and maintenance due to the need for constant oxygenation.[4].
Process
The bale digester is a clean bacterial technology, comparable to the ways in which foods such as bread and cheese are decomposed. By eliminating air, the growth of fermenting bacteria is allowed.[2] Research highlights the socio-ecological dimension, particularly because a kind of symbiosis occurs, since in the bale process, humans depend on arthropods and microorganisms to transform waste into soil, which will feed the plants that humans will in turn take advantage of.[5] This increases interactions. ecosystems in the soil, pollination, nutrition and other factors at a social level.[6] Bales that use a wide range of organic material as raw material have been reported: forest or plant residues (grass, leaves, stems, chamizas, among others), food waste (legumes, fruits, peels, coffee grounds, among others), animal waste (manure or stable faeces) and even sludge[7] from water treatment plants. residual.[4].
The name of the digestion process refers to the degradation of organic matter with the support of microorganisms, temperature and chemicals. Biodigestion highlights the activity of living beings where organic matter is transformed,[8] You can find arthropods such as beetles and springtails, as well as worms, millipedes, centipedes, mealybugs and flies.[9] The pressed bale blocks the air and operates by solid alcoholic fermentation[2][10] this occurs due to the low presence of oxygen that generates non-putrefied products through fermentation processes, time it generates disinfectant byproducts such as vinegar and alcohol.[11][12].