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A Rapid Method for Modeling a Variable Cycle Engine

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Self-sustained photocatalytic power generation using eco-electrogenic engineered systems.

Dileep Kumar Yeruva¹, P Chiranjeevi¹, Sai Kishore Butti¹

¹Bioengineering and Environmental Sciences Lab, EEFF Centre, CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad 500 007, India; Academy of Scientific and Innovative Research (AcSIR), Hyderabad, India.

Bioresource Technology

|April 2, 2018

Summary

Engineered aquatic ecosystems generate bioelectricity. Integrating diverse biota like plants and filter feeders in an eco-electrogenic engineered system (EES) maximizes power output.

Keywords:

Aquatic macrophytes Bioelectricity Electric circuit Water ecosystem

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Area of Science:

Environmental Engineering
Bioelectrochemical Systems
Aquatic Ecology

Background:

Natural aquatic ecosystems possess inherent electrogenic potential.
Engineered systems can harness microbial and plant interactions for energy production.
Bioelectricity generation from engineered ecosystems offers a sustainable energy solution.

Purpose of the Study:

To design and evaluate an eco-electrogenic engineered system (EES) mimicking natural aquatic ecosystems.
To assess the bio-electrogenic activity and power generation capabilities of functionally diverse biota.
To investigate the synergistic effects of integrating different aquatic components for enhanced bioelectricity production.

Main Methods:

Cascadically interlinking three tanks with distinct biota: floating macrophytes, submerged plants, and filter feeders (fish and snails).
Measuring voltage and current density in series and parallel configurations for individual and integrated tanks.
Analyzing microbial and plant interactions at the electrochemical-engineering interface.

Main Results:

Tank 1 (floating macrophytes) showed the highest individual power generation (0.86 V series, 37 mA/m² parallel).
Integrating all three tanks in a parallel-series connection achieved maximum power output (9.5 mW/m²).
The EES demonstrated feasibility as a self-sustainable system for bioelectricity generation.

Conclusions:

Eco-electrogenic engineered systems with diverse aquatic biota can effectively produce bioelectricity.
System integration and configuration significantly impact overall power generation efficiency.
The study highlights the potential of rhizo-microbiome and plant-microbe interactions in sustainable bioenergy production.