Answers from top 9 papers
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| Papers (9) | Insight |
|---|---|
68 Citations | Collectively, these results suggest that organobentonites can be used effectively to reduce hydrocarbon migration rates beneath leaking underground gasoline storage tanks, and that the optimal organic cation loading with respect to pollutant sorption may be less than 50% of cation exchange capacity for some organobentonite-solute combinations. |
29 Citations | The result from the present study indicated that moisture-tolerant resin-based sealant could be successfully used as a pit and fissure sealant because its hydrophilic chemistry makes it less technique sensitive and simplifies the sealant application procedure. |
18 Citations | Many of these tanks are leaking, which may increase the risk of exposure to contaminants that promote health problems in host neighborhoods. |
01 Mar 2017 | The performance of the waste plastic fuel / pyrolysis is evidenced that it is one of the best alternative fuel as well as the waste plastic can be converted into a useful fuel |
299 Citations | from this work suggest that plastic contamination can alter the water cycle in soils, which may exacerbate soil water shortages and affect the vertical transport of pollutants. |
Open access•Journal Article 9 Citations | A set sealant with a low surface-free energy could be an advantage in reducing bacterial adhesion. |
| In other words, products of catalytic pyrolysis of plastic waste can be potential alternatives to the petroleum-derived fuels. | |
160 Citations | A new method to detect leakage in a water-filled plastic pipe is proposed. |
| Such repositories would need to be both impermeable to water, and plastic during deformation, in order to avoid the formation of cracks that may allow water in. |
Related Questions
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How plastic bottle caps contribute to plastic pollution?5 answersPlastic bottle caps significantly contribute to plastic pollution through various mechanisms. Studies show that the interaction between bottle caps and bottles during opening and closing cycles generates microplastic contamination in bottled water, with abrasion being the primary cause. Additionally, discarded bottle caps are a common type of plastic waste found in oceans and beaches, with over 20 million caps identified during beach-cleaning campaigns. To address this issue, innovative projects have been developed to recycle plastic bottle caps into useful products like flowerpots, reducing the environmental impact of plastic waste. Furthermore, the design of cleaning machines for bottle caps aims to prevent secondary pollution by effectively removing dust and micro-particles from the caps. Overall, the improper disposal and manufacturing tolerances of bottle caps contribute significantly to the global plastic pollution crisis.
Plastic waste for methane gas?5 answersPlastic waste can be converted into methane gas through processes such as pyrolysis and catalytic hydrocracking. Pyrolysis involves decomposing plastic waste to produce methane gas, liquid, and solid products. Factors such as the type of plastic, time, and temperature significantly affect the yield of methane gas produced. On the other hand, catalytic hydrocracking uses a ruthenium-modified zeolite catalyst to transform different types of plastic into methane gas with high purity. This process operates at near-stoichiometric amounts of hydrogen and moderate temperatures. Both pyrolysis and catalytic hydrocracking offer potential solutions for converting plastic waste into a clean energy source like methane gas, contributing to waste management, fuel production, and energy storage.
How can catalytic ozonation be used to treat wastewater?4 answersCatalytic ozonation is an effective technology for treating wastewater. It involves the use of catalysts to enhance the oxidation process and remove organic pollutants. The pulp and paper industry, which generates large volumes of wastewater with high levels of pollutants, can benefit from catalytic ozonation treatment. Different catalysts have been studied, such as tin oxide and manganese oxide doped γ-Al2O3 catalysts, which have shown high efficiency in treating hypersaline wastewater. Other catalysts, like Al2O3-Pectin-CaxOy, have been used to improve the treatment of saline organic wastewater, resulting in increased removal rates of chemical oxygen demand (COD). Catalytic ozonation can also be used to remove ammonia nitrogen from wastewater, with different catalysts showing varying levels of nitrogen selectivity. Heterogeneous catalytic ozonation, using solid catalysts, is preferred over homogeneous catalytic ozonation due to its higher activity, improved mineralization rate, and lower cost.
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