Technical Whitepaper

How a living Spirulina panel filters a building's air.

The Algi Bio Wall uses Arthrospira platensis - Spirulina - to actively strip particulates and VOCs from internal air streams through controlled photosynthesis. This is the science behind how it works.

Spirulina Culture
The Process

Active filtration. Passive HVAC systems cannot do this.

A standard HVAC filter catches particles. The Algi Bio Wall breaks them down. Spirulina metabolises CO2 and VOCs through photosynthesis, returning cleaner, oxygen-enriched air to the room. The process runs continuously, driven by LED arrays tuned to the exact chlorophyll-a absorption peak.

01

Absorption

Air is drawn through the panel at a controlled rate. Multi-stage turbulent flow maximises the contact between air and the Spirulina culture.

02

Photosynthesis

LED arrays tuned to 680nm - the exact chlorophyll-a absorption peak - drive continuous photosynthetic activity. The process runs day and night, independent of natural light.

03

Biomass Management

Automated harvesting keeps the Spirulina culture at the optimal density. Output biomass is collected for secondary industrial use.

Bio Wall Process
Monitoring

The system adjusts itself based on what is happening in the room.

Algi Sense sensors read temperature, humidity, CO2, and PM2.5 in real time. The Algi Hub uses those readings to adjust the Bio Wall flow rate. When CO2 rises, the Bio Wall works harder. When the room is empty, it dials back. Everything is automatic.

Algi Sense

Each Sense sensor transmits continuously to the Algi Hub. Flow rate adjustments happen in near real-time based on actual room conditions, not a preset schedule. You see the data on your dashboard and in your ESG reports.

pH Status
Optimal
Temp Flux
0.002-C
Nitrogen
4.1 PPM

Algi Hub

The Hub is the control centre. It reads from the Sense sensors, adjusts the Bio Wall, and communicates with your BMS via BACnet or Modbus. One device manages the whole loop. No separate controller needed.

Network Signal Strength
99.8% uptime across all connected nodes
Reporting

Every kilowatt hour is logged, auditable, and reportable.

The Algi platform converts your consumption data into SECR-compliant reports automatically. Whether you are running software only or the full hardware stack, your energy reduction is documented and ready for audit at any point in the year.

Scope 1 and 2

Direct emission reduction through measurable on-site energy consumption reduction.

Audit-Ready

Immutable tracking of all energy consumption data, ready for external audit.

Compliance Report -
Energy Consumption Reduction
-18%
vs. prior 12-month baseline
SECR Report Output - Algi Platform

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