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36 articles for “Bioreactors”
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Studies on Biological Degradation of 4-Bromophenol Using Anaerobic, Anoxic and Aerobic Bioreactors
Abstract: The present study investigates biodegradation of 4-Bromophenol (4-BP) and simultaneous removal of COD in anaerobic, anoxic and aerobic moving bed bioreactors. Cow dung slurry was used as a source of microbial consortium for acclimatization in moving bed reactors in batch mode. The acclimated microbial consortium was able to degrade various concentrations such as 5, 10 and 15 mg/l of 4-BP within specific time period. Biodegradation was evaluated by determining total …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 7, Issue 1, 2016 · pp. 37–41 Read article
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Effect of Cell Carrier Loading on Phenol Degradation in Association with Production of Exopolymeric Substances and Biofilm Characteristics during Start up and Steady State in a Pulsed Plate Bioreactor
Abstract: Biodegradation of phenol in a continuous pulsed plate bioreactor (PPBR) using immobilized bacterial cells has been shown to be a highly efficient process. The present paper reports the studies on the effect physical characteristics of biofilm (biofilm thickness, attached dry biomass and biofilm dry density) and chemical characteristics in terms of exopolymers viz. protein, carbohydrate and humic substance produced by Pseudomonas desmolyticum (NCIM 2112) bacterial cells immobilized on granular activated …
Published in International Journal of Pollution: Prevention & Control · Vol. 2, Issue 2, 2024 · pp. 24–30 Read article
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Studies on Waste Water Treatment in Three Phase Semifluidized Bed Bioreactors: Computer Aided Analysis and Software Development
Abstract: Design and performance analysis of three phase semifluidized biofilm reactors for aerobic treatment of industrial effluents have been attempted. Bioconversion processes that follow Monod-type kinetics and those following Haldane-Andrews kinetics (involving substrate inhibition to microbial growth) have been considered as typical cases. The bioreactor has been modelled mathematically by solving performance equations separately for the packed section and for the fluidized section, considering dispersed flow in both of these sections, …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 7, Issue 1, 2016 · pp. 1–21 Read article
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Membrane Bioreactors for Wastewater Treatment to Produce Useable Water
Abstract: Membrane bioreactors (MBRs) are a cutting-edge treating wastewater technology which combine bioremediation of effluent with membrane technology of solids and liquids. MBRs have gained increasing attention in recent years due to their ability to effectively treat complex and high-strength wastewater streams and produce high-quality reusable water. In this review article, we examine the principles of MBR technology, its applications in the treatment of various effluents, and the advantages and limitations …
Published in Journal of Water Pollution & Purification Research · Vol. 9, Issue 3, 2022 · pp. 35–39 Read article
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Crude Oil Remediation in Soil Environment using Orange (Citrus sinensis) Peel
Abstract: The research on effective performance of citrus sinensis (orange) peel was monitored in crude oil remediation in loamy soil environment. Different bioreactors with different bio-stimulant dosage of 20g, 40g, 60g, 80g, 100g of room dry and sundry samples were tested to examine the performance on microbial activities on crude oil mitigation in each bioreactor. The nutrient of the bio-stimulants was determined as pH value of 6.63, total nitrogen content of …
Published in Journal of Petroleum Engineering & Technology · Vol. 13, Issue 2, 2023 · pp. 24–34 Read article
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Waste-to-Wealth: Role of Green Bioprocess Engineering in Resource Recovery and Environmental Protection
Abstract: Green bioprocess engineering is a sustainable approach that improves industrial production by combining biotechnology with eco-friendly engineering methods. It uses biological processes – such as microbes, enzymes, and renewable resources – to produce useful products with a reduced environmental impact. Unlike traditional methods that depend on fossil fuels and generate significant waste, green bioprocessing focuses on conserving resources, improving energy efficiency, and minimizing waste. Using biomass and agro-industrial waste as …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 16, Issue 2, 2026 · pp. 36–41 Read article
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A Review on Bioremediation of Polluted Environments and Uses of Bacteria to Detoxify and Destroy Environmental Toxins
Abstract: Environmental biotechnology's fast evolving and developing field of bioremediation uses microbes to clean up polluted areas. Although bioremediation is a promising method for improving environmental conditions, our limited knowledge of how biological factors contribute to its effects and its effects on the ecosystem has made it difficult to develop the technology and make it safer and more dependable. These cutting-edge molecular microbiological approaches will offer fresh perspectives on bioremediation in …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 12, Issue 2, 2022 · pp. 36–40 Read article
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Effect of Bacteria on Crude Oil Degradation in Loamy and Clay Soil for Water and Ethanol Biostimulant Extraction from Bryophylum pinnatum Leaf
Abstract: The effect of bacteria on crude oil degradation in loamy and clay soil for water and ethanol biostimulant extraction from Bryophylum pinnatum leaf was investigated to ascertain the potential of the bacteria counts in the bioreactors sampled. At the progressive phase, the bacteria counts were more with bioreactors induced with ethanol solvent extract as the volume of the dosage increases compared to the bioreactors induced with the water extract. The …
Published in Research and Reviews : Journal of Crop science and Technology · Vol. 14, Issue 2, 2025 · pp. 19–25 Read article
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Kinetics of Soil Contaminant Degradation Enhanced by Jatropha Tanjorensis Leaf Bio-Stimulant
Abstract: The data obtained from the experiment show a high viability of the plant extracts in the biodegradation process, the maximum specific rate was determined. Also, application of Michael Menten’s equation were also applied, the maximum dissociation rate constant was obtained from lineweaver bulk plot, for both sun-dried and room dried at 100 g of CPED and CPEL as RMAX to be 1000 ppmday-1 and 555.55 ppmday-1 whereas KPTH 3190.16 ppm-1 …
Published in Journal of Catalyst & Catalysis · Vol. 11, Issue 1, 2024 · pp. 01–06 Read article
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Evaluation of Lemon Grass (Cymbopogon Citratus) Performance for Petroleum Hydrocarbon Degradation in Soil Environment
Abstract: The evaluation of lemon grass (cymbopogon citratus) performance for petroleum hydrocarbon degradation in soil environment was monitored with respect to contact time or period of exposure. Models were developed in this research to demonstrate the potential of the first-order kinetic, Michaelis Menten and the LineWeaver Burk Plot, and the evaluation of the effect of the biostimulant dosage was monitored in accordance the total petroleum hydrocarbon degradation. The performance of lemon …
Published in Journal of Catalyst & Catalysis · Vol. 11, Issue 1, 2024 · pp. 33–49 Read article
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Comparison of Percentage Removal of Petroleum Hydrocarbon on the Effect of Biostimulant in Polluted Soil Environment Using Chromolaena odorata
Abstract: The investigation on the comparison of percentage reduction on polluted soil environment using chromolaena odorata as a bio-stimulant upon the effect of contact time revealed increase in percentage removal of total petroleum hydrocarbon (TPH). The rate of total petroleum hydrocarbon (TPH) removal was discovered to have been influenced y the mas of bio-stimulant dosage immersed or introduced into each of the bioreactor. However, as the mass of the bio-stimulant dosage …
Published in International Journal of Advance in Molecular Engineering · Vol. 2, Issue 2, 2024 · pp. 27–32 Read article
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Monitoring The Hydrocarbon Utilizing Bacteria in Crude Oil Remediation Using Bio-Stimulant of Mint Leaf (Mentha Piperita)
Abstract: Conceptual monitoring of hydrocarbon utilization bacteria on crude oil remediation using bio-stimulant of mint leaf (Mentha piperita) was investigated. The bio-stimulant nutrient was determined by considering the available nitrogen, phosphorus, potassium, and hydrocarbon utilizing bacteria presence in both room and sun-dried samples of the remediant used. The mint leaf (Mentha piperita) was processed to obtain the powder form (nano particle size) of the bio-stimulant and the microbes isolated and identified …
Published in Journal of Materials & Metallurgical Engineering · Vol. 16, Issue 1, 2026 · pp. 35–40 Read article
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Investigation of Characteristics of Vernonia amygdalina Stem on Remediation of Crude Oil Polluted Loamy Soil Environment
Abstract: The effectiveness of Vernonia amygdalina in Total Petroleum Hydrocarbon (TPH) mitigation in a loamy soil environment was monitored using mixture of 100ml of Crude oil, 2kg of loamy soil and 25g to 100g of remediant determined. The experiment was set-up based on the design concept considered as presented in this research, which involved constant volume of 100ml of crude oil, constant mass of 2kg of loamy and changes in mass …
Published in Emerging Trends in Chemical Engineering · Vol. 10, Issue 2, 2023 · pp. 23–30 Read article
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The Developed System of Continuous Utilization of Carbon Dioxide, Enrichment of the Atmosphere with Oxygen and Production of Biofuel Using the Resulting Concentrate of Rapidly Multiplying Microalgae
Abstract: It is known that microorganisms, such as microalgae, during photosynthesis utilize carbon dioxide and enrich the atmosphere with oxygen. Microalgae, on the other hand, can be converted into biofuels by extracting fatty acids from macromolecules known as lipids. Recovery of this fatty acid traditionally requires the removal of most of the water from the microalgae resulting in biomass slurry. The method developed earlier permitted to obtain a high-quality concentrate of …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 13, Issue 2, 2022 · pp. 10–20 Read article
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Examination of Physicochemical Parameters of Crude Oil Remediation in Soil Environment using Agro-Based Material
Abstract: In this investigation the following physicochemical parameters were monitored which include cation exchange capacity, sodium ion, carbon, magnesium, nitrogen, calcium, available phosphorus, pH, electrical conductivity, and temperature. The experimental result obtained reveals that the physicochemical parameters analyzed the reaction than the inhibiting the reaction process by inhibiting the active site of microorganisms present in each bioreactor. The research showcases, the mass and the volume of the materials used for the …
Published in Journal of Materials & Metallurgical Engineering · Vol. 13, Issue 2, 2023 · pp. 22–30 Read article
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From Quantum Chemistry to Bioprocess Intensification: Advanced Computational Modeling and Enzyme-Based Catalytic Platforms for Green Chemical Transformations
Abstract: Green chemistry requires the development of sustainable catalytic systems that minimize waste generation, reduce energy consumption, and improve process efficiency. Computational chemistry and biocatalysis have emerged as complementary approaches for environmentally responsible chemical manufacturing. Computational techniques such as quantum chemistry, density functional theory (DFT), molecular dynamics, and machine learning provide mechanistic insights into catalytic reactions and support the rational design of efficient catalysts. These approaches enable the prediction of reaction …
Published in Journal of Catalyst & Catalysis · Vol. 13, Issue 2, 2026 · pp. 45–52 Read article
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Studies on Production of Biogas by Co-digestion of Sewage Sludge, Wastepaper and Waste Grown Algae
Abstract: Abundantly produced sewage sludge in wastewater treatment plants and algae grown in wastewater are the potentially important biomass for the production of biogas. Experimental investigations have been conducted to study the feasibility of co-digestion of the organic fraction of municipal sludge, waste paper, and waste grown algae under anaerobic mesophilic (37oC) conditions in lab-scale bioreactors. Quantity and quality of the biogas, volatile solid reduction and start-up period for the reactions …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 7, Issue 1, 2016 · pp. 74–81 Read article
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A Review on Advancements and Challenges of Catalytic and Non-Catalytic Waste Water Treatment Processes
Abstract: AbstractClean drinking water is a basic amenity to be ensured for all. As water resources are becoming increasingly scarce due to the rising imbalance between freshwater availability and consumption and many of the water resources are polluted by anthropogenic sources such as industrial, agricultural waste and household, therefore, treatment of wastewater remains a critical need before leaving it to natural water streams. Traditional wastewater treatment processes include filtration, adsorption, activated …
Published in Journal of Water Pollution & Purification Research · Vol. 6, Issue 1, 2019 · pp. 24–36 Read article
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Method of Obtaining of Concentrate of Rapidly Reproducing Microalga for Converting of the Emitted Carbon Dioxide into Oxygen and Food Biomass for Feeding of the Crew of an International Space Station during Long Flights
Abstract: It is known that the use of microalga solves the problem of utilizing carbonic acid formed during the life of astronauts and replenishing oxygen in the spacecraft atmosphere. There is evidence that among the mass of microalga used for research as oxygen products for space flights, chlorella and spirulina are suitable. In the field of creating a life support system (LSS) of the International Space Station (ISS), research is being …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 10, Issue 2, 2021 · pp. 37–48 Read article
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New Advanced Life Support System (LSS) for long-duration missions on the International Space Station (ISS) and Interplanetary Spacecraft
Abstract: Oxygen in the air and the water are vital for the smooth operation of the crews of the International Space Station and interplanetary spacecraft during long-term flights. Replenishing by the water, oxygen and micro algae biomass by delivering them to the International Space Station or to the interplanetary spacecraft is not economically viable. Therefore, the task arises of using and developing new systems that use the regeneration of oxygen, hydrogen, …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 10, Issue 3, 2021 · pp. 28–45 Read article