Room-Temperature Biowaste Oxidation for Biosurfactants and Oximes

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Solution Overview

Problem

Existing biowaste recycling methods are expensive and inefficient due to high water content, wide distribution, low organic carbon conversion, and unexploited residual fractions, limiting their industrial application.

Innovation Solution

A one-stage room temperature oxidation process using in-situ or ex-situ formed photosensitizers to oxidize biowaste, producing diverse high-value products like biosurfactants and oximes, with lower energy consumption and improved yield.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If conventional biowaste recycling methods (incineration, biodiesel, biogas) are used, then energy and fuel production is achieved, but the process costs exceed market value due to high water content, wide distribution, low conversion efficiency, and unexploited residual fractions

Engineering Contradiction:
Improveorganic carbon conversionVSAvoidcost effectiveness
Core Design Contradiction:
Quantity of substanceVSProductivity

Solution Approach 1:

The patent changes the chemical parameters of biowaste through oxidation reactions, converting organic carbon into valuable oxygenated compounds. This transforms the low-value organic matter into high-value chemical products, improving both conversion efficiency and economic viability.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent employs strong oxidants to accelerate the oxidation of biowaste, enabling efficient conversion of organic carbon at lower temperatures and pressures. This approach overcomes the low conversion efficiency of conventional methods while reducing operational costs.

Inventive Principle:
Principle #38Strong oxidants (Accelerated oxidation)

2Use of energy by moving object

If incineration is used for biowaste, then thermal and electrical power is produced, but energy costs and resource loss increase

Engineering Contradiction:
Improveenergy recoveryVSAvoidorganic fraction exploitation
Core Design Contradiction:
Use of energy by moving objectVSLoss of substance

Solution Approach 1:

The patent converts the previously harmful or wasted organic fraction into valuable chemical products through oxidation. Instead of losing organic matter in incineration, the process transforms it into oxygenated compounds with commercial value, eliminating substance loss while maintaining energy efficiency.

Inventive Principle:
Principle #22Blessing in disguise (Convert harm into benefit)

Solution Approach 2:

The patent changes the chemical state of organic carbon from reduced forms in biowaste to oxidized forms in products, creating valuable chemicals while preserving energy. This parameter transformation allows simultaneous energy recovery and substance utilization.

Inventive Principle:
Principle #35Parameter changes

3Ease of manufacture

If alkaline chemical hydrolysis is used to produce water soluble biopolymers, then surfactant properties are obtained, but molecular weight remains high (>100 kDa) and surfactant properties are limited

Engineering Contradiction:
Improvebiopolymer productionVSAvoidproduct application range
Core Design Contradiction:
Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The patent segments the high molecular weight biopolymers into smaller molecules through oxidation reactions. This breakdown produces a distribution of molecular weights including low molecular weight compounds (≤200 Da) that exhibit superior surfactant properties and broader applicability across different industries.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent uses strong oxidants to efficiently break down the molecular structure of biopolymers, creating a diverse product mix with optimized surfactant properties. This oxidation approach produces both small molecules for industrial applications and larger molecules for material science uses.

Inventive Principle:
Principle #38Strong oxidants (Accelerated oxidation)

4Adaptability or versatility

If ozonization is applied to improve surfactant properties, then surface tension reduction and color improvement are achieved, but product complexity and process steps increase

Engineering Contradiction:
Improvesurfactant qualityVSAvoidprocess steps
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent merges multiple process functions into a single oxidation step that simultaneously achieves molecular weight reduction, surfactant property enhancement, and color improvement. This consolidated approach eliminates the need for separate ozonization and processing steps, reducing device complexity while maintaining product quality.

Inventive Principle:
Principle #5Merging (Combining)

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 process achieves efficient conversion of biowaste into valuable products with exceptional properties, such as biosurfactants and oximes, suitable for multiple industrial uses, while reducing energy costs and expanding product diversity.

Implementation Method 1

a one-stage room temperature oxidation process using in-situ or ex-situ formed photosensitizers to oxidize biowaste

Methodology Applied
Scientific EffectPhotosensitization: Photo-oxidation

Implementation Method 2

oxidize biowaste, producing diverse high-value products like biosurfactants and oximes

Methodology Applied
Scientific EffectOxidation: Oxidation

Data Source

PatentEP3760589B1Process for the valorization of biowaste
Publication Date: 2025.10.15 HYSYTECH
  • EP3760589B1 patent drawingFigure 1~2

AI summary

It is described an improved process for the recycling of biowastes, carried out at room temperature or higher temperature, in absence or presence of solar light and a photosensitizer, and/or air, oxygen, ozone and peroxides which allows producing water-soluble biopolymers, biosurfactants and oximes, that can be recycled in chemical productions, for instance bioplastics and fungicides.