Microbial Biopolymers: From Production to Environmental Applications—A Review

Applied Sciences, Journal Year: 2024, Volume and Issue: 14(12), P. 5081 - 5081

Published: June 11, 2024

Industrial evolution and agricultural expansion, explained by continuing population growth, have rendered enormous problems for the world throughout past few decades, primarily because of waste generation. To reduce environmental impact dependence on fossil fuels, scientists explored replacing synthetic polymers with environmentally friendly sustainable alternatives in many emergent applications. In this regard, microbial biopolymers gained special attention. Many originating from various strains bacteria, fungi, algae been reported their possible applications increased rapidly. This review focuses wide range biopolymers, characteristics, factors influencing production. The present study also describes biopolymers. use these is very attractive as a value-added approach to wastewater treatment. By acting adsorbents, coagulants, flocculants well filters membrane processes, shine promising solutions beyond conventional methods. They can be integrated into stages treatment process, further enhancing efficiency Microbial biopolymer bioremediation soil stabilization are reviewed. Several studies demonstrated strong potential improvement due ability minimize permeability, eliminate heavy metals, stabilize soil, limit erosion. Challenges related scaling up downstream processing its future perspectives applications, discussed.

Language: Английский

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Actinomycete-Derived Pigments: A Path Toward Sustainable Industrial Colorants

Marine Drugs, Journal Year: 2025, Volume and Issue: 23(1), P. 39 - 39

Published: Jan. 13, 2025

Pigment production has a substantial negative impact on the environment, since mining for natural pigments causes ecosystem degradation, while synthetic pigments, derived from petrochemicals, generate toxic by-products that accumulate and persist in aquatic systems due to their resistance biodegradation. Despite these challenges, remain essential across numerous industries, including cosmetic, textile, food, automotive, paints coatings, plastics, packaging industries. In response growing consumer demand sustainable options, there is increasing interest eco-friendly alternatives, particularly bio-based algae, fungi, actinomycetes. This shift largely driven by options. For bio-pigments, actinomycetes, Streptomyces genus, have emerged as promising green source, aligning with global sustainability goals renewability biodegradability. Scale-up of yield optimization challenges been circumvented aid biotechnology advancements, genetic engineering innovative fermentation extraction methods, which enhanced bio-pigments’ viability cost-competitiveness. Actinomycete-derived successfully transitioned laboratory research commercialization, showcasing potential alternatives dyes. With pigment market valued at approximately USD 24.28 billion 2023, projected reach 36.58 2030, economic actinomycete extensive. review explores environmental advantages role modern industry, regulatory commercialization they face, highlighting importance solutions reduce our reliance conventional pigments. The successful can drive an industry-wide transition environmentally responsible offering benefits human health, safety, sustainability.

Language: Английский

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Mechanistic insights into the response of oxygen reducing biocathode to Ni2+: microbial activity and electron transfer behavior

Journal of Hazardous Materials, Journal Year: 2025, Volume and Issue: 490, P. 137820 - 137820

Published: March 4, 2025

Language: Английский

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Enhancing copper and lead adsorption in water by in-situ generation of calcium carbonate on alginate/chitosan biocomposite surfaces

International Journal of Biological Macromolecules, Journal Year: 2024, Volume and Issue: 266, P. 131110 - 131110

Published: March 23, 2024

Language: Английский

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Recent Progress on the Adsorption of Heavy Metal Ions Pb(II) and Cu(II) from Wastewater

Nanomaterials, Journal Year: 2024, Volume and Issue: 14(12), P. 1037 - 1037

Published: June 16, 2024

With the processes of industrialization and urbanization, heavy metal ion pollution has become a thorny problem in water systems. Among various technologies developed for removal ions, adsorption method is widely studied by researchers nanomaterials with good performances have been prepared during past decades. In this paper, variety novel excellent Pb(II) Cu(II) reported recent years are reviewed, such as carbon-based materials, clay mineral zero-valent iron their derivatives, MOFs, nanocomposites, etc. The extremely high capacity, selectivity particular nanostructures summarized introduced, along advantages disadvantages. And, some future research priorities treatment wastewater also prospected.

Language: Английский

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Salinity-Induced Changes in Heavy Metal Behavior and Mobility in Semi-Arid Coastal Aquifers: A Comprehensive Review

Water, Journal Year: 2024, Volume and Issue: 16(7), P. 1052 - 1052

Published: April 5, 2024

Semi-arid coastal aquifers face critical challenges characterized by lower rainfall, higher evaporation rates, and looming risk of over-exploitation. These conditions, coupled with climate change, are conducive to seawater intrusion promote mechanisms associated it. The understanding metal behavior in such environments is limited, hence, an attempt made through this review bridge the knowledge gap. A study on trace metals within a specific context semi-arid was carried out, 11 from 6 different countries were included. observed that exhibit distinctive behaviors influenced their surrounding environment. prevalence continuous played pivotal role shaping dynamics curtailing groundwater flux. findings suggest formation stable Cl organic ligands under increased alkaline conditions (pH > 8) has control over Zn, Pb, Cd toxicity highly ionic reactive condition. In addition, dominant Fe/Mn-hydroxide association Pb high affinity Zn controlling its bioavailability as WFB, Saudi Arabia NW-C India. On contrary, prevailing acidic < 6), carbonate SO4-ligands become more dominant, bioavailability/desorption Cu irrespective origin. Ni found be controlled increasing salinity. An increase salinity considered shows Ni, except UmC, South Africa, where act sink for metal, even at low pH 5.5). This indicates factors mineral saturation, complexes, variations 8), chloride complexes govern distribution further enhanced prolonged water residence time. Nonetheless, reducing environment, could potentially elevate solubility toxic Cr (VI) released anthropogenic sources.

Language: Английский

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Cu2+ removal from synthetic wastewater using amine-modified bentonites: Kinetics and thermodynamic study based on multilinear regression (MLR) modeling

Journal of the Taiwan Institute of Chemical Engineers, Journal Year: 2024, Volume and Issue: unknown, P. 105481 - 105481

Published: April 1, 2024

Language: Английский

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Application of electrodialysis enhanced with complex formation integrated with electrolysis for treatment of electroplating wastewaters as a new approach to the selective copper recovery

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 494, P. 152707 - 152707

Published: May 31, 2024

The electroplating industry produces a large amount of wastewaters containing economically important metals, such as copper. Usually, the copper are diluted and contaminated with ferric ions. Therefore, selective resource recovery from wastewater should be crucial strategy to mitigate environmental change. This paper focuses on gaining new insights into electrochemical treatment post-galvanic ions and, consequence, preconcentration finally in metallic form. To achieved this goal integrated method electrodialysis (ED) enhanced disodium ethylenediaminetetraacetate (Na2EDTA) complexing agent electrolysis (EL) was applied. What is limited by using simple ED or EL methods. It found that, complex formation, Na2EDTA allowed for bonding influence salt concentration parameters performance evaluated terms selectivity rate factor, ion retention, copper(II) degree. Furthermore, concentrate after examined. concluded that promoted 92.2% 2.95-fold increase retention coefficient 94.3%. Moreover, effective surface cathode. Almost 94.49% recovered purity 99.4%. application complexation methods can improved

Language: Английский

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Utilization of organic-rich materials for the adsorption of copper ions from aqueous environments

Results in Engineering, Journal Year: 2024, Volume and Issue: 22, P. 102216 - 102216

Published: May 3, 2024

This study investigated the suitability of moss peat and compost as adsorbents for removing copper ions from aqueous systems. Kinetic experiments were conducted at pH 4, 20 °C, an initial ion concentration mM. Under these experimental conditions, had a maximum adsorption capacity 45.8 41.9 mg/g, respectively. The kinetic data was assessed using several models, fitted well with pseudo-second-order model both adsorbents. Moreover, analysis isotherm showed that Langmuir could fit data, suggesting are chemically adsorbed onto compost. value 4.5 most effective At this value, capacities 60.0 mg/g 56.9 characterization before after interaction indicated surface precipitation dominant mechanism by which removed Copper on higher than compost, it found to be 7.7 wt% 3.8 wt%, Overall, findings highlight potential in highly contaminated water, particularly industrial mining effluent.

Language: Английский

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Sustainable and low-cost biomass derived adsorbents for the removal of toxic contaminants from wastewater: Approaches and future perspective

Waste Management Bulletin, Journal Year: 2024, Volume and Issue: 2(2), P. 308 - 325

Published: June 1, 2024

Globally, human activity and fast modernization have an impact on the ecological economic aspects. These factors led to generation of complex wastewater consisting recalcitrant toxic carcinogenic contaminants. The inaccuracy traditional treatment techniques using adsorbents lower concentration pollutants below desired standards has paved way for technological advancements in synthesis method operating conditions. Hence, this become highly imperative utilize effective advanced remediation strategies removal pollutants. Several were put forth because their unique characteristics such as affordability, adaptability, simplicity use. present review article organizes scattered available information potential abundant biomass-derived low-cost It been discovered that are extremely effective, alternative, carbon–neutral offering a new perspective modular adsorption process.

Language: Английский

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