Solid Acid Catalyst for Seaweed Monosaccharide Production
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Solution Overview
Problem
Current methods for preparing monosaccharides from seaweed are costly and inefficient, often requiring high-priced enzymes and resulting in low saccharification yields and by-products due to the use of strong acids and enzymes in the saccharification process.
Innovation Solution
A solid acid catalyst with a sulfonyl group chemically bound to carbonized chaff is used to degrade agarose from seaweed, providing a catalytic action for monosaccharide production, which is economically viable and reusable, eliminating the need for additional separation processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If strong acids or enzymes are used in the saccharification process, then monosaccharide can be prepared from polysaccharide, but the processing cost increases and by-products occur
Solution Approach 1:
The patent uses a solid acid catalyst composed of inexpensive materials (sulfuric acid impregnated on silica gel or activated carbon) instead of expensive enzymes. The catalyst can be used multiple times and is easily disposed of or regenerated, significantly reducing processing costs while maintaining effective saccharification of polysaccharides to monosaccharides.
Solution Approach 2:
The patent changes the physical state of the acid from liquid (traditional strong acids) to solid form by impregnating acid on porous supports. This parameter change allows for easier separation, reduced by-product formation, and cost-effective processing while maintaining catalytic activity for monosaccharide production.
2Productivity
If enzymes are used for saccharification, then monosaccharide production is achieved, but the process becomes costly and requires additional separation processes
Solution Approach 1:
The patent replaces the complex biological enzyme system with a simpler chemical catalyst system. The solid acid catalyst performs saccharification through chemical catalysis rather than biological enzymatic reactions, eliminating the need for complex separation processes to remove proteinaceous enzyme residues and allowing for simpler downstream processing.
Solution Approach 2:
The patent extracts and utilizes only the essential catalytic function (acid catalysis) while eliminating the complex biological components of enzymes. By using inorganic acid impregnated on solid supports, the system separates the catalytic activity from the complex protein structure, simplifying the overall process and reducing separation requirements.
3Productivity
If liquid strong acids are used for saccharification, then polysaccharide degradation is effective, but the process requires additional separation steps and generates harmful waste
Solution Approach 1:
The patent converts the harmful effects of strong acids (corrosiveness, difficulty in handling, waste generation) into benefits by immobilizing the acid on solid porous supports. The solid acid catalyst maintains the effective catalytic activity of strong acids while eliminating their harmful properties, enabling easy separation and reduced environmental impact.
Solution Approach 2:
The patent creates a composite material system combining an inorganic acid (catalytic component) with a porous solid support (silica gel or activated carbon). This composite structure provides both the catalytic functionality needed for effective polysaccharide degradation and the physical properties (solid form, porosity, stability) that eliminate the harmful characteristics of liquid strong acids.
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 method achieves comparable monosaccharide production yields to enzyme treatment methods while reducing costs and preventing by-products, with the solid acid catalyst being more environmentally friendly and adaptable to a wide range of reaction temperatures.
Implementation Method 1
a solid acid catalyst for preparing a monosaccharide by degrading agarose
Data Source
AI summary
A solid acid catalyst for preparing a monosaccharide by degrading agarose includes a particle having a carbonized chaff and a sulfonyl group which is chemically bound on a surface of the carbonized chaff. A method of preparing the monosaccharides from seaweed using the solid acid catalyst includes reacting agarose with the solid acid catalyst, thereby preparing the monosaccharide by using an economical and efficient process.