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1955 articles for “by-products” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Production and optimization of amylase enzyme using bacillus subtilis under solid state fermentation and its characterization
Abstract: This study employed solid state fermentation to maximize amylase production by Bacillus subtilis (OR578403). The research began by discovering and analyzing amylase-producing bacteria in soil samples followed with biochemical, molecular characterization. By using commercially available substrates like wheat bran, rice bran, and wheat rava were obtained from the local market and employed as solid substrates, which may influence amylase production and to be assessed. The identified organism was Bacillus subtilis, …
Published in International Journal of Biochemistry and Biomolecule Research · Vol. 4, Issue 1, 2026 · pp. 37–52 Read article
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Study on Single-Slope Solar Still for Experimental and Data-Driven Analysis for Improving Productivity with Different Basin Materials.
Abstract: This study investigates the single-slope solar still under the diurnal variation of water temperature and distillate yield under identical operating conditions. Experimental analysis was conducted to evaluate the performance enhancement through the incorporation of natural basin materials, namely hemp and sand. The water distillation process is focused on improving potable water productivity and thermal behaviour. The inclusion of hemp and sand in the basin leads to noticeable differences in productivity …
Published in Emerging Trends in Chemical Engineering · Vol. 13, Issue 2, 2026 · pp. 31–46 Read article
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Rumen Microbial Adaptation to Dietary Shifts: Mechanisms, Challenges, and Implications for Sustainable Ruminant Production
Abstract: Rumen microbiota play a central role in the digestion and fermentation of dietary components, directly influencing the health and productivity of ruminants. Dietary shifts, such as transitioning from forage-based diets to concentrate-rich diets or incorporating feed additives, induce significant changes in the composition, structure, and functional dynamics of the rumen microbial community. These adaptations, while essential for maintaining microbial homeostasis, can also lead to transient imbalances, including risks of acidosis, …
Published in Research & Reviews : Journal of Ecology · Vol. 15, Issue 1, 2026 · pp. 17–26 Read article
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Dystocia in Dairy Cattle: Causes, Consequences, and Preventive Measures for Improved Reproductive Health and Productivity
Abstract: Dystocia, or calving difficulty, is a significant reproductive challenge in dairy cattle, with far-reaching impacts on animal health, productivity, and farm economics. This review paper comprehensively explores the primary causes, consequences, and effective preventive measures associated with dystocia in dairy cows. Dystocia arises from a complex interplay of genetic, physiological, environmental, and management-related factors, including breed predisposition, maternal and fetal size, pelvic structure, and gestational nutrition. The consequences of dystocia …
Published in Research and Reviews : Journal of Dairy Science and Technology · Vol. 15, Issue 2, 2026 · pp. 14–33 Read article
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Waste Minimization in Cumene Production Process
Abstract: This study deals with waste minimization in cumene production process using WAR (Waste Reduction Algorithm). Initially cumene production process is designed using ASPEN PLUS V8.8 chemical process simulator. Using WAR algorithm PEI’s (Potential Environmental Impacts) are calculated. Based on the PEI values process modifications are suggested to minimize the PEI’s. The modified process is eco-friendly by reducing the waste by 29.9%.
Published in Emerging Trends in Chemical Engineering · Vol. 3, Issue 2, 2016 · pp. 18–22 Read article
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Design and Control of Ethyl Acetate Production Process
Abstract: In this study, the design and control of ethyl acetate production plant has been investigated. The proposed design consists of a continuous-stirred tank reactor and two distillation columns. Ethanol reacts with acetic acid and gives ethyl acetate and water. Plant-wide operability and control of the entire process plant with decentralized controllers is explained by doing both steady state and dynamic simulations. Tray temperature control loop performance is tested for the …
Published in Emerging Trends in Chemical Engineering · Vol. 2, Issue 1, 2015 · pp. 9–20 Read article
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Design and Control of Acrylic Acid Production Process
Abstract: This paper presents the design and control of acrylic acid production process using Aspen Plus and Aspen Dynamics. Propylene reacts with oxygen and produces acrylic acid and water. Plant-wide operability and control of the entire acrylic acid production plant with controllers is explained. The results indicate that the proposed process gives good dynamic performance (a settling time of less than 3 h).
Published in Emerging Trends in Chemical Engineering · Vol. 1, Issue 1, 2014 · pp. 1–10 Read article
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Investigation into the Use of Anaerobic Co-digestion of Cow Dung for Biogas Production
Abstract: The research is targeted on investigating the use anaerobic co-digestion of cow dung for biogas production, and to influence a decrease in the concentration of sulphide using direct inclusion of facultative lagoon sediment with sodium and calcium alginate. It was noted that 1 minute concentration of calcium alginate and sodium was introduced right from the beginning of the anaerobic digestion cycle shows the tendency to increase methane concentration and reduce …
Published in Emerging Trends in Chemical Engineering · Vol. 9, Issue 1, 2022 · pp. 23–28 Read article
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An Investigation of Binders for the Production of Biomass Briquettes from Sawdust and Cow Dung Admixture
Abstract: This study explored an investigation on the effect of binders for the production of biomass briquette from saw dust and cow dung admixture for domestic cooking applications. The materials used to investigate the study were sawdust and cow dung was treated, and the sawdust was grind and screened using sieve mesh size into particle size of 2mm. The biomass briquettes were produced by mixing sawdust and cow dung within the …
Published in Emerging Trends in Chemical Engineering · Vol. 10, Issue 2, 2023 · pp. 1–11 Read article
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Analysis of Quicklime Production from Eggshell through Factorial Study
Abstract: Factorial analysis is a method used in experimental design to assess the impact of different input factors on the resulting output. Quicklime is used extensively in many sectors, including those that produce paper, glass, tannery products, agriculture, water treatment, building, and agriculture. This study focused on evaluating key parameters in the calcination process, specifically calcination temperature, calcination time, and the size of eggshell and snail shell particles. The study successfully …
Published in Emerging Trends in Chemical Engineering · Vol. 10, Issue 2, 2023 · pp. 18–22 Read article
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Sulfated Zirconia Catalyzed Biodiesel Production from Acid Oil Containing High Free Fatty Acids
Abstract: Biodiesel fuel has shown great promise as an alternative to petro-diesel fuel. Biodiesel production is widely conducted through esterification and transesterification reaction, catalyzed by homogeneous or heterogeneous catalysts. In the present endeavour, sulphated zirconia has been prepared using microwave method and characterized by using XRD, FT-IR, BET surface area, SEM and acidity measurement. The utility of synthesized catalyst is demonstrated in catalytic biodiesel production from acid oil feed stock. The …
Published in Journal of Catalyst & Catalysis · Vol. 4, Issue 2, 2017 · pp. 35–45 Read article
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H2 Production by Methanol Steam Reforming over Copper Impregnated Anodized Aluminum Oxide (AAO)
Abstract: Hydrogen production by methanol steam reforming (MSR) is easy and simple as compared to other reforming methods using fossil fuels such as methane steam reforming. The catalysts for MSR are well developed and available commercially. When constructing a small or micro reformer, the catalyst often needs to be coated on the wall of the metal substrate. In this case, the bonding between the metal surface and the catalyst layer must …
Published in Journal of Catalyst & Catalysis · Vol. 1, Issue 1, 2014 · pp. 23–28 Read article
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CuO/TiO2 Nanocomposites: Effect of Calcination on Photocatalytic Hydrogen Production
Abstract: Hydrothermally synthesized TiO2 nanorods were subjected to calcination from 350 to 550 °C and tested their catalytic performance for hydrogen (H2) production in aqueous glycerol solution under solar irradiation. High rate of H2 evolution ca.300 µmol.h−1.g−1cat was recorded with TiO2 nanorods calcined at 500 °C. The nanocomposites were prepared by varying Cu-loading 0.1 to 2.0 wt% and activated at 350 or 500 °C. About 25 folds enhancement in H2 production …
Published in Journal of Catalyst & Catalysis · Vol. 1, Issue 2, 2014 · pp. 13–20 Read article
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An Insight into the Production of Bioethanol from the Duckweed
Abstract: The ultimate goal of this study was provided an insight into the production of bioethanol from the duckweed. In this study three experimental parameters for maximizing bioethanol yield were investigated during the dilute acid hydrolysis; acid concentration (0.6-1M), temperature (80-120oC) and time (60-180minutes). The conversion of duckweed to bioethanol can be achieved mainly by four process step; the first step was pretreatment of duckweed to remove different contaminates, dried at …
Published in Journal of Catalyst & Catalysis · Vol. 7, Issue 2, 2020 · pp. 48–56 Read article
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Review on Effected Factors of Type of Products
Abstract: This survey covers effect of some factors in type of products in any reaction. A catalyst speeds up a chemical reaction, without being consumed by the reaction. Catalysts that used in any reaction, as it affects the nature of the product, its quantity, purity, color, degree of stability, the physical and chemical properties, the resulting isomers, the essential and secondary resulted of each reaction, and even the reaction conditions. It …
Published in Journal of Catalyst & Catalysis · Vol. 7, Issue 3, 2020 · pp. 33–40 Read article
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Effect of Sodium Alginate Concentration on Size of Yeast Immobilized Particle and on Production of Bio-ethanol in a Packed-Bed Fermenter
Abstract: Biofuels are important because they replace the petroleum fuels or fossil fuels and especially ethanol and butanol contribute greatly to the mitigation of greenhouse gases emission, provide clean and sustainable energy source and reduce the consumption of crude oil. Current ethanol production processes using agricultural crops such as sugarcane and corn are well known, i.e., biochemical pathway and thermo-chemical pathway. However, in the biochemical pathway, the reactors used for fermentation …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 2, Issue 1-3, 2012 · pp. 9–14 Read article
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Bioenergy and Biomass Conversion for Sustainable Energy Production
Abstract: This study delves deeply into the essential role that bioenergy derived from biomass conversion plays in achieving sustainable energy production. The primary aims of this research encompass exploring a diverse range of biomass resources, and their availability, evaluating different biomass conversion technologies (including both thermochemical and biochemical processes), analyzing the sustainability of these conversion methods, and elucidating their significant contribution towards realizing renewable energy targets. This investigation relies on an …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 13, Issue 2, 2023 · pp. 1–16 Read article
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Review of MB Lal Committee Recommendations for Petroleum Product Terminals
Abstract: AbstractThe IOCL Jaipur terminal fire and explosion on 29th of October 2009 led to 29 fatalities and amounted to a total monitory loss of $60 million. 60,000 KL of product was consumed in fire. The MB Lal committee was setup to analyse the incident and suggest various improvement measures to be undertaken to prevent such incidents in the country. The committee gave 118 recommendations. This review paper recollects the incident …
Published in Journal of Industrial Safety Engineering · Vol. 5, Issue 1, 2018 · pp. 44–48 Read article
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Radon Flux and Radium Content Determination in Cereals Products
Abstract: AbstractRadon (222Rn) in air is ubiquitous. Radon is a form of ionizing radiation and lung cancer is the only known effect on human exposure to radon in air. The radon gas can enter into the human body through respiring, drinking and eating and caused damage to respiratory and digestion system. Cereals products available in market were experimented by “Sealed Can Technique” using LR-II solid state nuclear track detectors which are …
Published in Journal of Nuclear Engineering & Technology · Vol. 8, Issue 1, 2018 · pp. 7–10 Read article
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Production of Cellulosic Ethanol from Wood Sawdust by Sulphuric acid Hydrolysis
Abstract: In this study, production of cellulosic ethanol from wood sawdust was investigated. Four experimental parameters were investigated during the hydrolysis and ethanol production. These are particle size (1–3 mm), acid concentration (3–7%), temperature (90–110°C), and time(120–240 min). The total reduced sugar content and ethanol yield was determined. Response surface methodology (RSM) employing the central composite design (CCD) was used to optimize the total reduced sugar and ethanol yield. Cite this …
Published in Journal of Petroleum Engineering & Technology · Vol. 7, Issue 3, 2017 · pp. 30–35 Read article