Is there limited research on the effectiveness of Ulva lactuca specifically in treating nitrile rubber effluent?
Best insight from top research papers
The research on the effectiveness of Ulva lactuca in treating various types of effluents, including industrial and aquaculture wastewater, demonstrates its potential in biofiltration and nutrient removal. However, there is a noticeable gap in the literature specifically addressing the treatment of nitrile rubber effluent with Ulva lactuca. Studies have explored Ulva lactuca's capacity to remove toxic substances from industrial wastewater, highlighting its adsorption capabilities for methylene blue, a model pollutant, but without direct reference to nitrile rubber effluent . The macroalgae's ability to grow in municipal wastewaters and its utility in removing high levels of nitrogen and phosphorus suggest a broad potential for wastewater treatment applications . Additionally, Ulva lactuca has been evaluated for its biofiltration efficiency in seawater, aiming to meet specific quality criteria by assimilating nitrogen and phosphorus . Research has also demonstrated Ulva lactuca's antibacterial properties and its potential in controlling multidrug-resistant bacteria, indicating its utility beyond nutrient removal . Its performance in integrated multi-trophic aquaculture (IMTA) systems for nitrogenous compound uptake further underscores its versatility in environmental remediation . The integration of Ulva lactuca in shrimp cultivation systems has shown significant nutrient load reductions, enhancing water quality . While studies have addressed the treatment of rubber effluent through multi-phase treatment schemes, they do not specifically investigate the role of Ulva lactuca in this context . Lastly, the effectiveness of Ulva lactuca in mariculture effluents through spray culture techniques suggests its adaptability to various effluent treatment systems, although again, not specifically addressing nitrile rubber effluent . In summary, while there is extensive research on the capabilities of Ulva lactuca in treating a wide range of effluents and its potential benefits in environmental remediation, there is a distinct lack of studies directly focusing on the treatment of nitrile rubber effluent. This identifies a research gap and an opportunity for future studies to explore the specific application of Ulva lactuca in this area.
Answers from top 4 papers
More filters
| Papers (4) | Insight |
|---|---|
01 Nov 2019 | Not addressed in the paper. |
7 Citations | Not addressed in the paper. |
| Not addressed in the paper. | |
11 Jan 2020 1 Citations | Not addressed in the paper. |
Related Questions
Is Ulva lactuta capable of promoting bioremediation?4 answersYes, Ulva lactuca has demonstrated significant capabilities in promoting bioremediation across various studies. Its effectiveness in heavy metal uptake from environments like the Marchica lagoon, where it showed a strong affinity for bioaccumulating metals such as Iron (Fe), Manganese (Mn), and Lead (Pb), indicates its potential in mitigating pollution from heavy metals. Additionally, Ulva lactuca plays a crucial role in nitrogen removal in integrated multi-trophic aquaculture (IMTA) systems, enhancing the nitrogen cycle and improving water quality by affecting the structure of bacterial communities and the abundance of nitrogen cycle functional genes.
The alga's bioaccumulation of phthalic acid esters (PAEs), with efficient uptake and photodegradation capabilities, further underscores its utility in environmental bioremediation, particularly in mitigating pollution from ubiquitous pollutants. Its growth and nutrient removal rates when exposed to varying concentrations of nitrogen and phosphorus in recirculating IMTA systems with fish and seaweed highlight its adaptability and efficiency in utilizing nutrients for biomass production, thus reducing potential eutrophication.
Ulva lactuca's integration into bio-composites for the removal of Cd(II) ions showcases its application in removing toxic metals from aqueous solutions, offering a sustainable approach to water purification. Its role as a functional food ingredient and water bioremediation agent in shrimp aquaculture further demonstrates its dual benefits in promoting aquaculture sustainability and environmental health. The growth-promoting effects of bacteria associated with Ulva clathrata, a closely related species, suggest the potential for synergistic applications in bioremediation and aquaculture.
In wastewater bioremediation within IMTA systems, Ulva lactuca has shown high ecosystem capacity for nutrient uptake and oxygen production, contributing to the balance and efficiency of aquaculture systems. Its bioremediation capacities for removing dissolved nutrients in cold-seawater ecosystems further highlight its versatility and effectiveness across different environmental conditions. Lastly, experimental feeding trials with shrimp culture have indicated that Ulva lactuca can be effectively used for wastewater bioremediation and as a nutritious feed additive, enhancing growth and feed conversion rates in shrimp. Collectively, these studies affirm Ulva lactuca's capability in promoting bioremediation across a spectrum of pollutants and environmental settings.
What are the environmental impact of nitrile rubber industry?4 answersThe nitrile rubber industry, while essential for producing various rubber products, has several environmental impacts that span from the cultivation of raw materials to the production and disposal stages. The cultivation and processing activities in the rubber industry, including those for nitrile rubber, can lead to biodiversity loss, habitat destruction, soil and water degradation, climate change, and water quality pollution. These ecological impacts are significant, considering the rubber industry's contribution to environmental pollution through the use of various chemicals and additives in rubber product manufacturing. These substances, along with the rubber products themselves when disposed of, are considered pollutants.
Efforts to mitigate these impacts include the development of environmentally-friendly nitrile rubber formulations. For instance, innovations have been made to produce nitrile rubber that meets environmental protection standards, is cost-effective, and prevents ozone cracking. Additionally, the substitution of petroleum oil derivatives with renewable sources like vegetable and fruit oils in rubber compounding aims to produce more environmentally friendly rubber formulations. This not only reduces the environmental harm but also enhances the mechanical properties of the rubber, decreases compound costs, and increases cure rates.
The sustainability of nitrile glove production, a significant sector within the nitrile rubber industry, is being addressed by incorporating bio-additives to support environmental, societal, and financial sustainability. These additives help increase the degradation rate of gloves and include antimicrobial agents for added benefits. However, the nitrile rubber is susceptible to aging, which can be accelerated by various environmental factors, thus affecting its longevity and performance.
The demand for natural rubber, a key component in nitrile rubber production, has environmental implications due to the chemicals and energy used in its cultivation and processing. Life cycle assessments and eco-efficiency analyses are tools used to identify and evaluate these environmental burdens. Moreover, nitrile barrier polymers, used in packaging, offer advantages over traditional materials but have faced regulatory scrutiny. Innovations in environmentally-friendly nitrile rubber molded mucilage also aim to reduce toxicity and improve bonding strength, further contributing to the industry's environmental impact mitigation efforts. Overall, while the nitrile rubber industry has notable environmental impacts, ongoing research and development efforts are focused on reducing these effects through more sustainable practices and materials.
Why nitrile rubber effluents are particularly challenging or different from other industrial effluents.?4 answersNitrile rubber effluents present unique challenges compared to other industrial effluents due to their specific chemical composition and the environmental impact of their disposal. The primary concern with nitrile rubber effluents is the presence of acrylonitrile, a hazardous compound that requires specialized treatment methods to prevent air and water pollution. The treatment methods for nitrile rubber production wastewater involve complex processes such as mixing with sulphite to convert acrylonitrile into less volatile substances, advanced oxidation, and solid-liquid separation to achieve low acrylonitrile content, COD value less than 50 mg/L, and ammonia-nitrogen content less than 5 mg/L. Similarly, another method includes the use of horseradish peroxidase and hydrogen peroxide under specific conditions to oxidize acrylonitrile, followed by magnetic flocculation and mixing with active sludge, aiming for almost no acrylonitrile residue and high effluent quality.
The challenges are further compounded by the need to address refractory organic compounds in the wastewater. A method involving hydrogen peroxide and ferrous sulfate solution for pretreatment to oxidize and remove these compounds highlights the difficulty in treating such effluents while also aiming to reduce sludge production and running costs. Additionally, the modification of polyacrylonitrile fibers to improve adsorption capacities for heavy metals indicates the complexity of managing nitrile rubber-related pollutants.
Nitrile rubber's susceptibility to chemical attacks by hydrogen sulfide and other aggressive components in oil and gas production environments also underscores the material's challenging nature. Moreover, the broader environmental concerns associated with industrial effluents, such as the impact on water bodies and soil quality, necessitate innovative bioremediation approaches, as seen with the use of cyanobacteria for tannery effluents. Advanced oxidation processes like ozonation, possibly combined with hydrogen peroxide or UV radiation, are explored for their efficiency in treating such complex wastewaters.
The production of nitrile rubbers itself, involving radical polymerization and optional hydrogenation in organic solvents, introduces variability in molecular weights and polydispersity indexes, further complicating the treatment of effluents from these processes. Lastly, the treatment of effluents from cyanidation operations using powdered sulfur and iron to reduce cyanide ion content illustrates the diverse and challenging nature of industrial effluents, including those from nitrile rubber production. These complexities make nitrile rubber effluents particularly challenging, requiring a multifaceted approach to treatment and environmental management.
How is effective is azolla pinnata as fertilizer for the quality?4 answersAzolla pinnata has been found to be effective as a fertilizer for improving soil fertility and enhancing crop production. Studies have shown that the application of Azolla pinnata green manure significantly improves soil pH, total nitrogen, available phosphorus, and cation exchange capacity. This improvement in soil fertility leads to enhanced growth performance, yield, and quality of terrestrial crops such as Eleusine coracana (finger millet). Azolla pinnata has also been observed to have high nutritive values, including protein content, carotenoids, amino acids, antioxidants, starch, and fibers. Additionally, Azolla pinnata has been used in phytoremediation to treat wastewater, such as palm oil mill effluent, effectively reducing contamination levels. Overall, Azolla pinnata shows promise as a bio-fertilizer for improving soil fertility and enhancing crop quality and can be used in various agricultural and environmental applications.
Have any fungicidal metabolites been identified in Ulva?5 answersFungicidal metabolites have been identified in Ulva. The biosynthesis of silver nanoparticles (Ag-NPs) using the macroalga Ulva rigida aqueous extract showed antifungal potency against various human pathogenic fungal strains. Additionally, an ethyl acetate extract of a culture filtrate from a member of Polyporaceae collected from a paddy field showed significant inhibition of conidial germination and a fungicidal effect against the rice blast fungus Pyricularia oryzae. Furthermore, three fungicidal compounds, enniatin B, enniatin B1, and enniatin A1, were isolated from endophytic fungi Fusarium proliferatum in Celastrus angulatus. Although the specific fungicidal metabolites in Ulva were not mentioned, the presence of antifungal activity in Ulva extracts suggests the potential for the identification of fungicidal compounds in this macroalga.
What are the pigments of the green algae genus ulva?4 answersThe pigments of the green algae genus Ulva include chlorophylls and carotenoids.