Description:FIELD OF THE INVENTION
This invention relates to Multi-Tier Composting System Using Black Soldier Fly (BSF) Larvae for Efficient Organic Waste Decomposition
BACKGROUND OF THE INVENTION
Organic waste management is a growing global challenge, contributing to environmental pollution, greenhouse gas emissions, and inefficient waste disposal. Traditional composting methods are slow, require large spaces, and often lead to foul odors, pest infestations, and nutrient loss.
While Black Soldier Fly (BSF) larvae have been recognized as efficient decomposers of organic waste, existing BSF composting systems often lack efficient separation of larvae, proper aeration, and structured waste flow, leading to incomplete decomposition, excessive moisture buildup, and inefficient larvae harvesting.
Additionally, many composting designs do not facilitate passive aeration, resulting in anaerobic conditions that slow down decomposition and cause odor issues. The improper separation of frass (BSF manure) and undecomposed organic matter also reduces the quality of the final compost product.
Thus, there is a need for an improved, multi-tier composting system that enables efficient organic waste breakdown, automatic larvae separation, proper aeration, and structured compost flow to enhance waste management, reduce processing time, and improve compost quality.
Several existing patents and applications address the use of Black Soldier Fly (BSF) larvae in organic waste processing and composting systems. Notable examples include:
1. Method and Material Formula for Treating Kitchen Waste with Black Soldier Fly Larvae
o Patent Number: CN101889629B
o Summary: This invention details a method for processing food waste using BSF larvae, focusing on environmental protection and efficient waste treatment.
Google Patents
2. Black Soldier Fly Based Continuous Vermicomposting System
o Patent Application: Referenced in WO2014137179A1
o Summary: This system is designed to process post-consumer organic waste using BSF larvae, facilitating the production of compost, leachate, and larvae harvesting.
QuickCompany
3. Method and Arrangement for Rearing Insect Larvae
o Patent Number: EP4205540A1
o Summary: This patent describes a system for rearing BSF larvae, emphasizing controlled environmental conditions to optimize composting and larvae production.
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4. Nutrient and Biochar Production Using High Moisture Feedstock and Black Soldier Flies
o Patent Number: US12172937B2
o Summary: This closed-loop method involves using high-moisture content feedstock and BSF larvae to produce biochar and nutrients, enhancing waste processing efficiency.
Justia Patents
5. System and Method for Solar Greenhouse Aquaponics and Black Soldier Fly Composter and Auto Fish Feeder
o Patent Number: US10015940B2
o Summary: This invention integrates a BSF composter with a solar greenhouse aquaponics system, providing an automated solution for waste processing and fish feeding.
Free Patents Online
These existing solutions highlight the versatility of BSF larvae in waste management and resource recovery. However, there remains potential for innovation, particularly in developing systems that are:
• Scalable and Modular: Allowing for adaptation to various waste volumes and types.
• Energy-Efficient: Minimizing reliance on external energy sources.
• User-Friendly: Simplifying operation and maintenance for diverse users.

SUMMARY OF THE INVENTION
This summary is provided to introduce a selection of concepts, in a simplified format, that are further described in the detailed description of the invention.
This summary is neither intended to identify key or essential inventive concepts of the invention and nor is it intended for determining the scope of the invention.
To further clarify advantages and features of the present invention, a more particular description of the invention will be rendered by reference to specific embodiments thereof, which is illustrated in the appended drawings. It is appreciated that these drawings depict only typical embodiments of the invention and are therefore not to be considered limiting of its scope. The invention will be described and explained with additional specificity and detail with the accompanying drawings.
The proposed invention is a multi-tier composting system using Black Soldier Fly (BSF) larvae that efficiently processes organic waste into nutrient-rich compost while automatically separating mature larvae for further use.
DETAILED DESCRIPTION OF THE INVENTION
The detailed description of various exemplary embodiments of the disclosure is described herein with reference to the accompanying drawings. It should be noted that the embodiments are described herein in such details as to clearly communicate the disclosure. However, the amount of details provided herein is not intended to limit the anticipated variations of embodiments; on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the scope of the present disclosure as defined by the appended claims.
It is also to be understood that various arrangements may be devised that, although not explicitly described or shown herein, embody the principles of the present disclosure. Moreover, all statements herein reciting principles, aspects, and embodiments of the present disclosure, as well as specific examples, are intended to encompass equivalents thereof.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments. As used herein, the singular forms “a",” “an” and “the” are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms “comprises,” “comprising,” “includes” and/or “including,” when used herein, specify the presence of stated features, integers, steps, operations, elements and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components and/or groups thereof.
It should also be noted that in some alternative implementations, the functions/acts noted may occur out of the order noted in the figures. For example, two figures shown in succession may, in fact, be executed concurrently or may sometimes be executed in the reverse order, depending upon the functionality/acts involved.
In addition, the descriptions of "first", "second", “third”, and the like in the present invention are used for the purpose of description only, and are not to be construed as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" and "second" may include at least one of the features, either explicitly or implicitly.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which example embodiments belong. It will be further understood that terms, e.g., those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The proposed invention is a multi-tier composting system using Black Soldier Fly (BSF) larvae that efficiently processes organic waste into nutrient-rich compost while automatically separating mature larvae for further use.
Existing BSF composting solutions often suffer from inefficiencies such as labor-intensive separation, poor aeration, and inconsistent decomposition rates. This invention addresses these issues by:
• Automating larvae separation without mechanical intervention.
• Improving aeration through a passive system, reducing odor and anaerobic conditions.
• Enhancing efficiency by allowing continuous waste addition without disrupting the composting process.
Implementation & Working Mechanism:
The system consists of three primary chambers, each serving a distinct purpose:
1. Top Chamber (Waste Decomposition & Larvae Feeding Zone):
o Organic waste is added here, and BSF larvae actively feed on it.
o The floor is perforated, allowing fine, partially decomposed material to fall into the middle chamber.
o As larvae mature, they instinctively migrate towards self-harvesting ramps leading to an external collection tray.
2. Middle Chamber (Pre-Composting Zone):
o Semi-decomposed material naturally falls here through a mesh or perforated floor.
o Microbial activity continues to break down the organic matter.
o This chamber ensures that any remaining larvae complete their feeding cycle before self-separating.
3. Bottom Chamber (Final Compost Collection):
o Fine, fully decomposed compost falls through another mesh from the middle chamber.
o No larvae are present in this chamber, ensuring clean and ready-to-use compost.
o The chamber is designed for easy removal of finished compost.
Additional Features:
• Passive Aeration System: Perforations in the top and middle chambers allow airflow, preventing foul odors and anaerobic decomposition.
• Self-Harvesting Ramps: Built-in sloped pathways enable mature larvae to exit the system without manual intervention, collecting them in an external tray for use as animal feed or bioconversion processes.
• Scalable & Modular Design: The unit can be expanded or downsized based on waste generation levels.
NOVELTY:
several novel features that differentiate it from existing composting and bioconversion solutions:
1. Automated, Passive Larvae Separation Without Mechanical Intervention:
o Unlike traditional BSF composting systems that require manual or mechanical separation of mature larvae, this design incorporates self-harvesting ramps that allow larvae to instinctively migrate to an external collection tray when they reach maturity.
2. Three-Tier Chamber System for Efficient Waste Processing:
o Top Chamber: Primary organic waste decomposition and larvae feeding.
o Middle Chamber: Semi-decomposed material falls through perforations for further microbial breakdown, ensuring continuous decomposition.
o Bottom Chamber: Collects fine, fully decomposed compost, eliminating larvae contamination.
o This structured approach ensures a continuous, self-sustaining composting process with minimal manual effort.
3. Passive Aeration System for Odor Control & Enhanced Decomposition:
o The perforated walls and floors of the top and middle chambers facilitate natural airflow, reducing anaerobic conditions and preventing unpleasant odors without requiring electrical or mechanical aeration systems.
4. Dual Output System (Compost & Larvae) for Maximum Utility:
o While conventional composting systems focus only on organic matter breakdown, this invention simultaneously produces two valuable outputs:
✔ High-quality organic compost from the bottom chamber.
✔ Harvested mature larvae as a sustainable protein source for animal feed, aquaculture, or bioconversion applications.
5. Scalable, Modular & Low-Cost Design:
o Unlike high-tech AI or IoT-based composting units, this conventional, non-mechanical approach is:
✔ Cost-effective for small farmers, households, and waste management industries.
✔ Scalable based on waste generation levels.
✔ Easy to construct using locally available materials.
, Claims:1. A multi-tier composting system using Black Soldier Fly (BSF) larvae, comprising; Top Chamber (Waste Decomposition & Larvae Feeding Zone), Middle Chamber (Pre-Composting Zone), Bottom Chamber (Final Compost Collection) and Passive Aeration System.
2. The system as claimed in claim 1, wherein the system efficiently processes organic waste into nutrient-rich compost while automatically separating mature larvae for further use.
3. The system as claimed in claim 1, wherein the top chamber configured to receive organic waste and house active BSF larvae.
4. The system as claimed in claim 1, wherein the middle chamber disposed beneath the top chamber, configured to receive partially decomposed material from the top chamber.
5. The system as claimed in claim 1, wherein the bottom chamber disposed beneath the middle chamber, configured to collect fully decomposed compost free of larvae.
6. The system as claimed in claim 1, wherein the passive aeration system comprising airflow channels or perforations in one or more of the chamber walls or floors, configured to promote aerobic decomposition and reduce odors.
7. The system as claimed in claim 1, wherein the system enables continuous waste input, automatic separation of mature larvae without mechanical intervention, and staged organic matter decomposition across the chambers.