Zavarzinia Compransoris Strain for 99.9% TDCPP Biodegradation
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Solution Overview
Problem
There is a lack of effective microbial strains capable of degrading organophosphorus flame retardants, particularly tris(1,3-dichloropropyl) phosphate (TDCPP), which are widely used but pose significant health risks due to their persistence and toxicity in the environment.
Innovation Solution
The isolation and identification of the Zavarzinia compransoris GDUTXIONG2 strain, deposited as CCTCC NO: M2022855, which exhibits a degradation rate of 99.9% for TDCPP within 96 hours, suitable for use in contaminated environments such as water and soil.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional biological degradation methods are used with existing microbial strains, then degradation can occur, but the degradation efficiency is low and the number of effective strains is limited
Solution Approach 1:
The patent utilizes the natural metabolic capabilities of Zavarzinia compransoris to self-degrade TDCPP without requiring external chemical additives or complex treatment systems. The bacterium naturally produces enzymes that break down the flame retardant through its normal metabolic processes, achieving high degradation efficiency while maintaining system simplicity
Solution Approach 2:
The patent optimizes degradation parameters including pH (maintained at 7.0), temperature (37°C), and oxygen supply to maximize the metabolic activity of Zavarzinia compransoris. By controlling these parameters, the degradation rate reaches 99.9% within 96 hours, significantly improving productivity compared to conventional methods
2Object-affected harmful factors
If physical or chemical methods are used to remove organophosphorus flame retardants, then removal can be achieved, but secondary pollution is generated and operation costs increase
Solution Approach 1:
The patent converts the harmful persistent organic pollutant TDCPP into beneficial substances through biological metabolism. The bacterium Zavarzinia compransoris metabolizes TDCPP into carbon dioxide, water, and inorganic phosphate, transforming the toxic substance into harmless end products that can be safely released into the environment without secondary pollution
Solution Approach 2:
The patent replaces physical adsorption methods and chemical oxidation processes with biological degradation using Zavarzinia compransoris. This substitution eliminates the need for expensive adsorbent materials and harsh chemical reagents, reducing both operation costs and secondary pollution while achieving complete mineralization of the flame retardant
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 GDUTXIONG2 strain effectively degrades TDCPP, providing a pollution-free solution for remediation and treatment of environments contaminated with organophosphorus flame retardants, offering a high degradation efficiency and practical significance.
Implementation Method 1
The biological method is a method for degrading organophosphorus flame retardants in the environment using the metabolic activity of microorganisms
Data Source
AI summary
Zavarzinia compransoris capable of degrading an organophosphorus flame retardant and a use of Zavarzinia compransoris. A GDUTXIONG2 strain of Zavarzinia compransoris capable of degrading an organophosphorus flame retardant is obtained by research, the strain is preserved in China Center for Type Culture Collection (CCTCC) on 10 Jun. 2022, and the accession number is CCTCC NO: M2022855. The GDUTXIONG2 strain has an excellent degradation ability to an organophosphorus flame retardant, the rate of degradation on an organophosphorus flame retardant, i.e., Tris(1,3-dichloroisopropyl)phosphate (TDCPP) can reach more than 99.9%, and the GDUTXIONG2 strain is an efficient degrading bacterium. The GDUTXIONG2 strain can be used for preparing a degrading bacterial agent, is pollution-free and nuisance-free during use, and can be better used for used for the remediation and treatment of the environment polluted by organophosphorus flame retardants.