Wastewater Biofiltration Control for pH and TSS Stability

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Solution Overview

Problem

Existing biofiltration systems are complex, sensitive to wastewater parameters, and require extensive preprocessing and continuous management, leading to high operational and maintenance costs, making them impractical for widespread implementation.

Innovation Solution

A wastewater biofiltration system with integrated monitoring and control, featuring an equalization unit, mixing unit, pumping unit, biofiltration unit, recirculation unit, and a controller to manage pH, TSS, and additive injection, ensuring efficient wastewater treatment with minimal human intervention.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If biofiltration systems are implemented to treat wastewater, then contaminant removal efficiency is improved, but operational complexity and maintenance costs increase

Engineering Contradiction:

Improvecontaminant removal efficiencyVSAvoidoperational complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The biofiltration system is designed to operate autonomously with minimal human intervention. The system self-regulates by maintaining optimal conditions for bacterial colonies to thrive and perform filtration, eliminating the need for complex manual operations and reducing maintenance requirements while preserving high contaminant removal efficiency

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The system incorporates sensors that continuously monitor wastewater parameters and provide feedback to the control mechanism. This automatic feedback loop allows the system to adjust operational parameters in real-time, maintaining optimal performance without requiring complex manual monitoring or intervention

Inventive Principle:

Principle #23Feedback

2Reliability

If biofiltration systems are implemented to treat wastewater, then contaminant removal efficiency is improved, but energy consumption increases

Engineering Contradiction:

Improvecontaminant removal efficiencyVSAvoidenergy consumption

Core Design Contradiction:

ReliabilityVSUse of energy by moving object

Solution Approach 1:

Instead of continuous operation, the system uses periodic action principles where pumps and aeration devices operate intermittently based on sensor-triggered needs. This approach maintains contaminant removal efficiency by activating components only when required while significantly reducing overall energy consumption compared to continuous operation

Inventive Principle:

Principle #19Periodic action

Solution Approach 2:

The system utilizes natural processes and passive mechanisms where possible, such as gravity-driven flow and naturally occurring bacterial degradation, to minimize the need for energy-intensive active components while maintaining effective wastewater treatment

Inventive Principle:

Principle #25Self-service

3Reliability

If biofiltration systems are implemented to treat wastewater, then contaminant removal efficiency is improved, but sensitivity to parameter changes requires continuous management

Engineering Contradiction:

Improvecontaminant removal efficiencyVSAvoidease of management

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The system replaces manual mechanical management with automated electronic control. Sensors and controllers automatically monitor and adjust pH, temperature, and other critical parameters, substituting complex manual mechanical adjustments with simple automated electronic systems that are easier to operate and maintain

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The system optimizes biofiltration processes, reduces operational complexity, and lowers energy consumption, achieving high contaminant removal efficiencies while being scalable and adaptable to varying wastewater conditions.

Implementation Method 1

a biofiltration unit downstream the pumping unit, configured to receive the wastewater feed over at least one biofiltration bed, biofilter the wastewater feed and deliver biofiltered wastewater

Methodology Applied

Scientific EffectBiological degradation: Decomposition (biological)

Implementation Method 2

at least one pH sensor; and at least one additive injection location for additive injection from at least one additive source

Methodology Applied

Scientific EffectpH adjustment:

Implementation Method 3

at least one pH sensor; at least one Total Suspended Solids (TSS) sensor; at least one wastewater feed flowmeter

Methodology Applied

Scientific EffectSensing:

Data Source

PatentEP4380900B1System and method for monitoring and control of wastewater biofiltration

Publication Date: 2026.02.04 BIOFILTRO USA INC

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AI summary

The invention relates to wastewater biofiltration, in particular, to a system and a method for monitoring and control of wastewater biofiltration. The monitoring and control system and method being integrated in a wastewater biofiltration system comprising a set of units which operation is monitored and controlled by means of at least one controller and an operational architecture specially designed to improve biofiltration management.