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Basic Science of vermiculture
Processing of compostable organic materials via vermicomposting is an aerobic i.e. a high oxygen process performed by composting worms and micro-organisms. You can see in this diagram that in the vermicomposting process organic waste materials get converted into organic fertilizer by composting worms.
Ideal conditions include:
- Air – at least 10% oxygen (O2) present in the bedding where the worms are actively feeding (there is 21% O2 in normal air);
- Moisture – moisture content of the bedding material should be between 60 and 80%;
- Warmth – ideal bedding temperatures are between 20 and 30degC but worms will survive between 5 and 40degC;
- Food – such as fruit, vegetables, mixed food organics, paper, cardboard etc.;
- Absence of pests – insect larvae compete with the worm population and pose a public health hazard; and
- Protection from predators and environmental extremes.
In-vessel vermiculture systems overcome the drawbacks of traditional vermiculture systems providing a hassle free method for waste management. Our systems provide an ideal environment for the worms to decompose wastes in the most efficient manner.
| Vermigold On-site Waste Management System Flow Chart: |
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| Digester-In vessel vermiculture system |
Organic Waste Processor – Shredder cum Mixer |
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The term in-vessel signifies a containerised unit in which vermiculture, compost or anaerobic digestion-based processes are performed. In-vessel systems are often used for treatment of putrescible organics in populated areas as they have minimal or no significant impact on the environment (eg. through the generation of odour, leachate or attraction of pests or vermin).
The term continuous flow signifies that the process of waste loading can be performed continuously without any time restriction as experienced in batch systems. Also the release of vermicompost is on a continuous basis due to gravity. The fertilizer is collected at the bottom in easily handled plastic trays. Loading of waste is from the top. Continuous flow technology is the most efficient type of on-site, vermiculture system and the least labour intensive. In-vessel systems have a very fast processing period for conversion of waste material into vermicompost in 7 days. In-vessel systems can store organic waste material for upto 30 days without causing any foul odours.
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