Microbial Agent for Painting Booth Malodor Removal

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Solution Overview

Problem

Conventional malodor removal agents in painting booths are ineffective in degrading volatile organic compounds (VOC) and volatile fatty acids (VFA), failing to meet reinforced environmental regulations and resulting in persistent malodor issues.

Innovation Solution

A complex agent containing VOC degrading microorganisms such as Pseudomonas putida and Bacillus tequilensis, and VFA degrading microorganisms like Alcaligenes eutrophus, which work together to degrade VOC and VFA, respectively, thereby effectively removing malodor from painting booths.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional malodor removal agents are used, then the painting process can continue operation, but the malodor removal effect is insufficient and environmental regulations are not met

Engineering Contradiction:

Improvemalodor removal effectivenessVSAvoidmalodor concentration

Core Design Contradiction:

ReliabilityVSObject-generated harmful factors

Solution Approach 1:

The patent segments the malodor removal function into two distinct microbial components: VOC-degrading microorganisms and VFA-degrading microorganisms. This segmentation allows each component to specialize in degrading specific malodor-generating substances, thereby improving overall removal effectiveness compared to conventional single-function agents.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The invention creates a composite biological agent combining two types of microorganisms with complementary functions. The VOC-degrading microorganisms break down volatile organic compounds, while VFA-degrading microorganisms eliminate volatile fatty acids, forming a synergistic composite that addresses multiple malodor sources simultaneously.

Inventive Principle:

Principle #40Composite materials

2Quantity of substance

If VOC degrading microorganisms are used alone, then VOC can be degraded, but VFA is generated as a byproduct which causes malodor

Engineering Contradiction:

ImproveVOC concentrationVSAvoidVFA concentration

Core Design Contradiction:

Quantity of substanceVSObject-generated harmful factors

Solution Approach 1:

The patent converts the harmful byproduct (VFA) generated during VOC degradation into a treatable substrate by introducing VFA-degrading microorganisms. These secondary microorganisms metabolize the VFA, transforming a harmful accumulation into a beneficial complete degradation process, thereby eliminating malodor at both stages.

Inventive Principle:

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

Solution Approach 2:

The VFA-degrading microorganisms act as an intermediary that processes the intermediate byproduct (VFA) generated during VOC degradation. This intermediary step ensures that no harmful substances accumulate, as the VFA is further degraded into harmless end products.

Inventive Principle:

Principle #24Intermediary (Mediator)

3Reliability

If conventional chemical agents are used, then malodor removal can be achieved to some extent, but they do not satisfy reinforced environmental regulations

Engineering Contradiction:

Improveenvironmental complianceVSAvoidmalodor emission level

Core Design Contradiction:

ReliabilityVSObject-generated harmful factors

Solution Approach 1:

The patent replaces conventional chemical malodor removal methods with a biological system using microorganisms. This substitution provides a more effective and environmentally compliant solution, as the biological degradation process thoroughly breaks down malodor-generating substances without leaving harmful chemical residues.

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 agent significantly reduces VOC and VFA concentrations, effectively eliminating malodor from painting booths, surpassing the limitations of conventional biological treatment methods by degrading VFA generated during VOC degradation, thus adhering to stricter environmental regulations.

Implementation Method 1

a volatile organic compound (VOC) degrading microorganism which degrades the VOC

Methodology Applied

Scientific EffectBiological degradation: Decomposition (biological)

Implementation Method 2

a volatile fatty acid (VFA) degrading microorganism which degrades the VFA generated when the VOC is degraded

Methodology Applied

Scientific EffectBiological degradation: Decomposition (biological)

Data Source

PatentUS10603397B2Agent for removing malodor from painting booth, and method of removing malodor

Publication Date: 2020.03.31 HYUNDAI MOTOR CO LTD

AI summary

An agent for removing malodor from a painting booth includes a volatile organic compound (VOC) degrading microorganism and a volatile fatty acid (VFA) degrading microorganism. The VOC degrading microorganism is configured to degrade VOC. The VFA degrading microorganism is configured to degrade VFA generated when the VOC is degraded. A method of removing malodor is also disclosed.