Enzyme Composition for Biomass Hydrolysis

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Solution Overview

Problem

Current enzyme compositions for hydrolyzing biomass, such as those containing cellulases, hemicellulases, and pectinases, have low degradation rates, making them unsuitable for large-scale industrial applications due to prolonged process times and inefficiencies, leading to significant waste generation and high production costs.

Innovation Solution

An enzyme composition comprising cellulase, hemicellulase, and pectinase, with the hemicellulase including Arabinan endo-1,5-alpha-L-arabinosidase with an arabinan degrading activity of at least 10 U/mg protein, derived from fungal sources like Trichoderma reesei, is used to enhance biomass hydrolysis efficiency.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If commercially available enzyme compositions (e.g., Pectinex®, Celluclast®) are used for biomass hydrolysis, then the process can be implemented, but the degradation rate remains relatively low and process time is considerably high

Engineering Contradiction:

Improvebiomass degradation rateVSAvoidprocess time

Core Design Contradiction:

ProductivityVSLoss of time

Solution Approach 1:

The patent combines multiple enzyme activities (cellulases, hemicellulases, and pectinases) into a single integrated enzyme composition. This merging of different enzymatic functions allows simultaneous degradation of cellulose, hemicellulose, and pectin components of biomass, achieving complete degradation without requiring separate treatment steps, thus significantly reducing process time while maintaining high productivity

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The invention creates a composite enzyme system comprising cellulases from Trichoderma reesei, hemicellulases from Aspergillus niger, and pectinases from Aspergillus aculeatus. This composite approach leverages the synergistic effects of different enzyme sources and types, where each enzyme component targets specific biomass components, resulting in enhanced overall degradation rate and reduced processing time compared to single-enzyme or dual-enzyme systems

Inventive Principle:

Principle #40Composite materials

2Ease of manufacture

If traditional extraction processes with hot water and CaO are used to separate sugars from biomass, then simple separation is achieved, but monomeric sugars are destroyed due to elevated temperature and pH conditions

Engineering Contradiction:

Improveseparation simplicityVSAvoidmonomeric sugar destruction

Core Design Contradiction:

Ease of manufactureVSLoss of substance

Solution Approach 1:

The patent replaces the traditional mechanical-chemical extraction process (hot water extraction with CaO) with an enzymatic hydrolysis system. Instead of using high temperature and alkaline conditions to break down biomass, the invention uses biological catalysts (cellulases, hemicellulases, pectinases) to degrade biomass components at mild temperatures and neutral pH, thereby preserving monomeric sugars while achieving effective separation

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The invention fundamentally changes the process parameters from harsh conditions (elevated temperature, high pH with CaO) to mild conditions (ambient to moderate temperature, neutral pH). By adjusting these parameters to be enzyme-friendly rather than chemically aggressive, the process achieves sugar separation without destruction, maintaining both ease of operation and substance preservation

Inventive Principle:

Principle #35Parameter changes

3Productivity

If traditional extraction processes are used, then sugar solution and beet pulp are produced, but significant waste material arises and ammonia is released into the atmosphere

Engineering Contradiction:

Improvesugar productionVSAvoidammonia release and waste generation

Core Design Contradiction:

ProductivityVSObject-generated harmful factors

Solution Approach 1:

The patent converts the previously harmful or wasted components into beneficial products. Instead of discarding beet pulp containing proteins and polysaccharides, or releasing ammonia from nitrogen compound decomposition, the enzymatic process transforms these components into valuable sugars and bioactive compounds. The complete degradation of biomass components maximizes sugar recovery while eliminating harmful emissions and waste generation

Inventive Principle:

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

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

This enzyme composition significantly accelerates biomass hydrolysis, reducing process time and waste, while being cost-effective for industrial-scale applications, achieving complete degradation of saccharide and polysaccharide-containing biomass.

Implementation Method 1

an enzyme-composition for hydrolyzing biomass comprising at least one cellulase, at least one hemicellulase and at least one pectinase

Methodology Applied

Scientific EffectEnzymatic hydrolysis: Hydrolysis

Data Source

PatentUS9920309B2Enzyme-composition for hydrolyzing biomass

Publication Date: 2018.03.20 CLARIANT INT LTD

AI summary

The present invention is directed to an enzyme-composition for hydrolyzing biomass containing comprising at least one cellulase, at least one hemicellulases and/or at least one pectinases. In a further aspect, the present invention is directed to a process for hydrolyzing biomass implementing this enzyme-composition and the use of the enzyme-composition for hydrolyzing biomass.