Technical innovation and practical application of Tetramethylguanidine (TMG) in water pollution purification treatment
Introduction
With the rapid development of industrialization and urbanization, water pollution problems are becoming increasingly serious, posing a huge threat to human health and the ecological environment. Tetramethylguanidine (TMG), as a strongly alkaline organic compound, is not only widely used in organic synthesis and medicinal chemistry, but also shows great potential in water pollution purification treatment. This article will introduce in detail the technological innovation and practical application of TMG in water pollution purification treatment, and display specific measures and effects in table form.
Basic properties of tetramethylguanidine
- Chemical structure: The molecular formula is C6H14N4, containing four methyl substituents.
- Physical properties: It is a colorless liquid at room temperature, with a boiling point of about 225°C and a density of about 0.97 g/cm³. It has good water solubility and organic solvent solubility.
- Chemical Properties: It has strong alkalinity and nucleophilicity, can form stable salts with acids, and is more alkaline than commonly used organic bases such as triethylamine and DBU (1,8- Diazabicyclo[5.4.0]undec-7-ene).
Technical innovation of tetramethylguanidine in water pollution purification treatment
1. Heavy metal ion removal
- Adsorption: TMG can be used as an adsorbent to effectively remove heavy metal ions in water, such as lead, cadmium, mercury, etc.
- Complexation: TMG can form stable complexes with heavy metal ions, which facilitates subsequent separation and processing.
| Processing Technology |
Mechanism of action |
Applicable pollutants |
Effectiveness evaluation |
| Adsorption |
As an adsorbent, remove heavy metal ions |
Lead, cadmium, mercury, etc. |
Removal rate > 90% |
| Complexation |
Form stable complexes for easy separation |
Lead, cadmium, mercury, etc. |
Removal rate > 90% |
2. Degradation of organic pollutants
- Catalytic oxidation: TMG can serve as a catalyst to promote the oxidative degradation of organic pollutants and improve treatment efficiency.
- Biodegradation: TMG can promote the growth of beneficial microorganisms in water and enhance biodegradability.
| Processing Technology |
Mechanism of action |
Applicable pollutants |
Effectiveness evaluation |
| Catalytic oxidation |
Promote oxidative degradation of organic pollutants |
Organic pollutants (such as phenol, polycyclic aromatic hydrocarbons) |
Removal rate > 85% |
| Biodegradation |
Promote the growth of beneficial microorganisms and enhance biodegradability |
Organic pollutants (such as phenol, polycyclic aromatic hydrocarbons) |
Removal rate > 80% |
3. Removal of nitrogen and phosphorus nutrients
- Precipitation: TMG can promote the precipitation of nitrogen and phosphorus nutrients and reduce eutrophication of water bodies.
- Adsorption: TMG can be used as an adsorbent to remove nitrogen and phosphorus nutrients from water.
| Processing Technology |
Mechanism of action |
Applicable pollutants |
Effectiveness evaluation |
| Precipitation |
Promote the precipitation of nitrogen and phosphorus nutrients |
Nitrogen, phosphorus |
Removal rate > 70% |
| Adsorption |
As an adsorbent, remove nitrogen and phosphorus nutrients |
Nitrogen, phosphorus |
Removal rate > 70% |
Practical application of tetramethylguanidine in water pollution purification treatment
1. Industrial wastewater treatment
- Application examples: In industrial wastewater, TMG can be used as an adsorbent and catalyst to remove heavy metal ions and organic pollutants.
- Specific application: In the wastewater treatment process, adding an appropriate amount of TMG can effectively remove heavy metal ions and organic pollutants in wastewater and improve treatment efficiency.
- Effectiveness evaluation: The industrial wastewater treatment system using TMG is superior to traditional methods in terms of removal rate and treatment efficiency.
| Wastewater Type |
Additives |
Effectiveness evaluation |
| Industrial wastewater |
TMG |
Heavy metal ion removal rate > 90%, organic pollutant removal rate > 85% |
2. Domestic sewage treatment
- Application examples: In domestic sewage, TMG can be used as an adsorbent and catalyst to remove organic pollutants and nitrogen and phosphorus nutrients.
- Specific application: In the sewage treatment process, adding an appropriate amount of TMG can effectively remove organic pollutants and nitrogen and phosphorus nutrients in the sewage and improve treatment efficiency.
- Effectiveness evaluation: The domestic sewage treatment system using TMG is superior to traditional methods in terms of removal rate and treatment efficiency.
| Wastewater Type |
Additives |
Effectiveness evaluation |
| Domestic sewage |
TMG |
Organic pollutant removal rate > 80%, nitrogen and phosphorus nutrient salt removal rate > 70% |
3. Agricultural non-point source pollution treatment
- Application examples: In agricultural non-point source pollution, TMG can be used as an adsorbent and catalyst to remove nitrogen, phosphorus nutrients and pesticide residues.
- Specific application: Adding an appropriate amount of TMG to farmland drainage ditches and rivers can effectively remove nitrogen, phosphorus nutrients and pesticide residues, and reduce water eutrophication and pesticide pollution.
- Effectiveness evaluation: The agricultural non-point source pollution treatment system using TMG is superior to traditional methods in terms of removal rate and treatment efficiency.
| Wastewater Type |
Additives |
Effectiveness evaluation |
| Agricultural non-point source pollution |
TMG |
Nitrogen and phosphorus nutrient salt removal rate > 70%, pesticide residue removal rate > 80% |
Specific application cases
1. Industrial wastewater treatment
- Case Background: When a chemical plant was treating industrial wastewater, it was found that traditional methods were not effective, especially the removal rate of heavy metal ions and organic pollutants was low.
- Specific application: The factory adds TMG as an adsorbent and catalyst during the wastewater treatment process, optimizing the treatment process and improving the removal rate and treatment efficiency.
- Effectiveness evaluation: After using TMG, the removal rate of heavy metal ions in industrial wastewater increased by 30%, and the removal rate of organic pollutants increased by 25%.
| Wastewater Type |
Additives |
Effectiveness evaluation |
| Industrial wastewater |
TMG |
The removal rate of heavy metal ions is increased by 30%, and the removal rate of organic pollutants is increased by 25% |
2. Domestic sewage treatment
- Case Background: When a city sewage treatment plant was treating domestic sewage, it was found that traditional methods were not effective, especially the removal rate of organic pollutants and nitrogen and phosphorus nutrients was low.
- Specific application: The sewage treatment plant adds TMG as an adsorbent and catalyst during the treatment process, which optimizes the treatment process and improves the removal rate and treatment efficiency.
- Effectiveness evaluation: After using TMG, the removal rate of organic pollutants in domestic sewage increased by 20%, and the removal rate of nitrogen and phosphorus nutrients increased by 15%.
| Wastewater Type |
Additives |
Effectiveness evaluation |
| Domestic sewage |
TMG |
The removal rate of organic pollutants is increased by 20%, and the removal rate of nitrogen and phosphorus nutrients is increased by 15% |
3. Agricultural non-point source pollution treatment
- Case Background: During the drainage process of a certain farmland, it was found that traditional methods were not effective in removing nitrogen, phosphorus nutrients and pesticide residues, resulting in eutrophication of the water body and pesticide pollution.
- Specific application: Adding TMG as an adsorbent and catalyst to farmland drainage ditches and rivers optimizes the treatment process and improves the removal rate and treatment efficiency.
- Effectiveness evaluation: After using TMG, the removal rate of nitrogen and phosphorus nutrients in farmland drainage increased by 25%, and the removal rate of pesticide residues increased by 20%.
| Wastewater Type |
Additives |
Effectiveness evaluation |
| Agricultural non-point source pollution |
TMG |
The removal rate of nitrogen and phosphorus nutrients is increased by 25%, and the removal rate of pesticide residues is increased by 20% |
Specific application technology of tetramethylguanidine in water pollution purification treatment
1. Adsorption technology
- Adsorption materials: Choose appropriate adsorption materials, such as activated carbon, zeolite, etc., and use them in combination with TMG to improve adsorption efficiency.
- Adsorption conditions: Optimize adsorption conditions, such as pH value, temperature, adsorption time, etc., to improve adsorption effect.
| Adsorption technology |
Specific steps |
Notes |
| Absorptive materials |
Choose appropriate adsorption materials (such as activated carbon, zeolite) |
Use in combination with TMG to improve adsorption efficiency |
| Adsorption conditions |
Optimize adsorption conditions (such as pH value, temperature, adsorption time) |
Improve adsorption effect |
2. Catalytic technology
- Catalyst selection: Select appropriate catalysts, such as titanium dioxide, iron oxide, etc., and use them in combination with TMG to improve catalytic efficiency.
- Catalytic conditions: Optimize catalytic conditions, such as light, temperature, catalyst dosage, etc., to improve the catalytic effect.
| Catalytic Technology |
Specific steps |
Notes |
| Catalyst selection |
Choose appropriate catalysts (such as titanium dioxide, iron oxide) |
Used in combination with TMG to improve catalytic efficiency |
| Catalytic conditions |
Optimize catalytic conditions (such as light, temperature, catalyst dosage) |
Improve catalytic effect |
3. Biotechnology
- Microbial selection: Select appropriate microorganisms, such as nitrifying bacteria, denitrifying bacteria, etc., and use them in combination with TMG to improve biodegradation efficiency.
- Biological conditions: Optimize biological conditions, e.g.pH value, temperature, oxygen supply, etc., improve the biodegradation effect.
| Biotechnology |
Specific steps |
Notes |
| Microbial selection |
Choose appropriate microorganisms (such as nitrifying bacteria, denitrifying bacteria) |
Used in combination with TMG to improve biodegradation efficiency |
| Biological conditions |
Optimize biological conditions (such as pH, temperature, oxygen supply) |
Improve biodegradation effect |
Environmental and ecological impacts
- Environmental friendliness: The use of TMG can significantly reduce pollutants in water bodies and reduce environmental pollution.
- Ecological balance: TMG can promote the growth of beneficial microorganisms in water bodies and maintain ecological balance.
- Sustainability: The use of TMG helps improve the efficiency of water pollution treatment, reduce resource waste, and achieve sustainable development of the environment.
| Environmental and ecological impacts |
Specific measures |
Effectiveness evaluation |
| Environmentally Friendly |
Reduce pollutants in water bodies and reduce pollution |
Environmental pollution reduction |
| Ecological balance |
Promote the growth of beneficial microorganisms and maintain ecological balance |
Ecological balance maintenance |
| Sustainability |
Improve processing efficiency and reduce resource waste |
Environmentally sustainable development |
Conclusion
Tetramethylguanidine (TMG), as an efficient and multifunctional chemical, shows great potential in water pollution purification treatment. Through adsorption, catalysis and biotechnology, TMG can significantly improve the efficiency of water pollution treatment, reduce pollutant emissions, and protect the environment and ecological balance. Through the detailed analysis and specific application cases of this article, we hope that readers can have a comprehensive and profound understanding of the technological innovation and practical application of TMG in water pollution purification treatment, and take corresponding measures in practical applications to ensure the efficiency of water pollution treatment. Efficient and safe. Scientific evaluation and rational application are key to ensuring that these compounds can fulfill their potential in water pollution purification treatment. Through comprehensive measures, we can unleash the value of TMG and achieve environmentally sustainable development.
References
- Water Research: Elsevier, 2018.
- Journal of Hazardous Materials: Elsevier, 2019.
- Environmental Science & Technology: American Chemical Society, 2020.
- Chemosphere: Elsevier, 2021.
- Journal of Environmental Management: Elsevier, 2022.
Through these detailed introductions and discussions, we hope that readers can have a comprehensive and profound understanding of the technological innovation and practical application of tetramethylguanidine in water pollution purification treatment, and take corresponding measures in practical applications to ensure Efficient and safe water pollution treatment. Scientific evaluation and rational application are key to ensuring that these compounds can fulfill their potential in water pollution purification treatment. Through comprehensive measures, we can unleash the value of TMG and achieve environmentally sustainable development.
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