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243 articles for “Emissions”
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BATCH TECHNIQUE FOR EXTRACTION OF BIODIESEL FROM VEGETABLE OIL
Abstract: We are living in a high time where we have to keep ourselves safe from the adverse effect of pollution that have on our nature and on the human being also. We see nowadays a very huge extent of pollution, and deaths this pollution and activities related to it causing. It is the need of the hour where we must opt for an alternative which is low on the pollution, …
Published in International Journal of Green Chemistry · Vol. 6, Issue 1, 2020 · pp. 1–4 Read article
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Turn-On” Fluorescence Sensing of Bilirubin Using Water-Soluble Conjugated Polymer
Abstract: Early detection of bilirubin is important to detect jaundice and hepatitis disease at the early stage. Currently, there is no fast method available to detect bilirubin level directly in the presence of crucial interference. This report presents a novel water-soluble poly(fluorenes-alt-benzothiadiazole) for turnon sensing of bilirubin in water and human blood serum. The probe is the water-soluble conjugated polymer poly(fluorenes-alt-benzothiadiazole) functionalized with a D-glucuronic acid named PF-BTGlcA. D-glucuronic acid acts …
Published in International Journal of Analytical and Applied Chemistry · Vol. 7, Issue 2, 2021 · pp. 13–20 Read article
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Chemical Separations to Transform the Domain
Abstract: The chemical industry includes producers of industrial gases, large-volume commodity chemicals and polymers, chemical products for agricultural and medicinal uses, and performance-targeted chemical and polymer specialties. The industry produces more than 70,000 products, including raw and basic materials, intermediate materials, and finished products. The chemical industry obtains raw materials from the petroleum refining, natural gas, and mining industries, as well as from biological sources. Air emissions included 4.3 million metric …
Published in International Journal of Chemical Separation Technology · Vol. 3, Issue 2, 2017 · pp. 24–29 Read article
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Oxygen Enrichment for fuel combustion in Refineries
Abstract: Fossil fuel is generally combusted using air however, the use of enriched oxygen can reduce fuel consumption and minimize emissions. Commercially, the oxygen is produced from air by cryogenic distillation, pressure swing adsorption, and membranes. For high-purity oxygen, cryogenic distillation is the best choice but economical point of view, the membranes provide the best solution. This paper discusses each technology in details and how the enriched oxygen can be beneficial …
Published in International Journal of Chemical Separation Technology · Vol. 5, Issue 2, 2019 · pp. 38–43 Read article
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Optimization and Control of Evaporative Separation Processes
Abstract: Evaporative separation processes are widely used in various industries, including chemical manufacturing, petroleum refining, and food and beverage processing, to separate components based on their vapor pressures. These processes involve the use of equipment such as distillation columns, evaporators, and membrane-based systems, and are critical for ensuring product quality and process efficiency. However, the complexity of evaporative separation processes and the inherent variability in feedstock composition and quality make it …
Published in International Journal of Chemical Separation Technology · Vol. 8, Issue 2, 2022 · pp. 27–31 Read article
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Pinch analysis of Cumene process using Aspen Energy Analyzer
Abstract: This article is divided into two parts. In the first part a process flow diagram for the production of cumene is designed with Aspen HYSYS. Cumene obtained is 98.78% pure and the designed plant is safe to environment with less emissions. In the second part heat exchanger networks (HEN) was developed for the process plant by performing pinch analysis using Aspen Energy Analyzer. Retrofit analysis was applied to find an …
Published in International Journal of Chemical Engineering and Processing · Vol. 1, Issue 1, 2015 · pp. 21–30 Read article
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Design and Pinch Analysis of Methyl Acetate Production Process using Aspen Plus and Aspen Energy Analyzer
Abstract: Abstract This study deals with the design and heat integration of Methyl Acetate production process. Initially, Methyl Acetate production process plant is designed using Aspen Plus. Methyl acetate obtained is 99.99% pure and the designed plant is safe to environment with less emissions. For the developed process plant, pinch analysis is applied using Aspen Energy Analyzer. Improved Heat exchanger networks (HEN) is obtained with retrofit analysis of the process plant. …
Published in International Journal of Chemical Engineering and Processing · Vol. 1, Issue 1, 2015 · pp. 31–40 Read article
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A Review on the Multiscale Integrated Approach in Multiphase Reaction Engineering and Process Intensification: Sustainable Energy and Process Design
Abstract: Abstract: Multiphase reaction engineering and process is important path for conversion of natural resources into fuels and chemicals to reduce greenhouse gas emission and increasing energy supply to meet growing global demand. This requires multiphase reactor design and modeling development for methane conversion into chemical building blocks, upgrading heavy oil and carbon capture. This multiphase reactor modeling involves the multiscale approach, which requires the knowledge of how phenomena at a …
Published in International Journal of Chemical Engineering and Processing · Vol. 6, Issue 2, 2020 · pp. 18–26 Read article
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Overview of Petrochemical Solid Waste Composition and Impact on the Environment
Abstract: ABSTRACTPetrochemicals refer to all those compounds that can be derived from the petroleum refinery products. Petrochemical industries impart vital role in the national economy. Environmental issues have now become important considerations due to the potential harmful impacts produced by chemical releases. Unsafe emissions may be due to improper production process, poor maintenance practices and internal operational process problems. Petrochemicals cause acute and chronic health diseases such as ulcer, allergy, cancer, …
Published in International Journal of Chemical Engineering and Processing · Vol. 6, Issue 2, 2020 · pp. 6–11 Read article
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Vapor Liquid Equilibrium Study of Propylene Carbonate-water and its Comparison with Various Thermodynamics Models Using Dwsim Simulation Software and Group Contribution Method
Abstract: In present study, green solvents that are environment friendly in nature were considered because it will reduce the environment pollution by replacing the petroleum derived solvents. Solvent used in chemical industry were mostly derived from the petroleum crude oils. Solvent emission increases the environment pollution. With the use of green solvents, closed carbon cycle will reduce the environment pollution drastically. Bio-derived solvents are the recent replacement of petroleum solvents that …
Published in International Journal of Chemical Engineering and Processing · Vol. 9, Issue 2, 2023 · pp. 1–8 Read article
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Suitability of Methyldiethanolamine (MDEA) and Piperazine (PZ) for Improving CO2 Absorption Efficiency Using Rotating Packed Bed (RPB) Technology: A Modeling and Simulation Study
Abstract: Carbon dioxide (CO2) capture and storage (CCS) is an essential technology for reducing atmospheric CO2 emissions and mitigating climate change, especially in fossil-fuel power generation. However, the high cost of CCS technologies has hindered their widespread adoption. In this study, we modeled CO2 removal using a rotating packed bed (RPB) technology using Visual Fortran and Aspen Plus software. We made use of a blended amine solution including different molar concentration …
Published in International Journal of Chemical Engineering and Processing · Vol. 9, Issue 2, 2023 · pp. 9–15 Read article
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Pitaya Cactus Endophytic Bacteria a Sustainable Option to Reduce and Optimize NH4NO3 in Phaseolus vulgaris
Abstract: The Phaseolus vulgaris crop demands nitrogen fertilizer as NH4NO3 for healthy growth. However, the application of NH4NO3 not uptaken by plant roots, generates N2O, a gas that contributes to the greenhouse effect besides loss of soil fertility; a sustainable option is to reduce up to 50% and to optimize it by inoculating P. vulgaris seeds with genera and species of plant growth promoting endophytic bacteria isolated from a desert xerophyte …
Published in International Journal of Environmental Chemistry · Vol. 8, Issue 2, 2022 · pp. 34–42 Read article
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Newly developed closed ecological cycle for solving environmental problems and obtaining high-quality biofuels
Abstract: Stagnant "green" zones of freshwater lakes, resulting from the excessive reproduction of phytoplankton in sunlit, stagnant waters, present a grave environmental hazard by causing the demise of phytoplankton and fish, and releasing hydrogen sulfide, rendering the water unsuitable for agricultural purposes. In this regard, the development of a closed ecological cycle, including the concentration of phytoplankton from the "green water" of the lake, which allows using most of the phytoplanktonconcentrate …
Published in International Journal of Environmental Chemistry · Vol. 9, Issue 1, 2023 · pp. 41–55 Read article
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Synthesis of Zeolites: An Overview
Abstract: Zeolites are microporous, aluminosilicate minerals commonly used as commercial adsorbents and catalysts. Zeolite synthesized from CFA is a minor but interesting product, with high environmental applications. Zeolites may be easily obtained from CFA by relatively cheap and fast conversion processes. This paper provides an overview on the methodologies for zeolite synthesis from CFA, and a detailed description of conventional alkaline conversion processes, with special emphasis on the experimental conditions to …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 3, Issue 2, 2017 · pp. 8–14 Read article
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Capture and use CO2 with Carbon Clean Solutions(CCS)
Abstract: Abstract: India being one of the populated countries with more increasing CO2 emissions which needs affordable and scalable solutions to move towards cleaner air. Several Carbon Capture and Storage Technologies would need to be in involved and one such solution is given from the Indian Start up Carbon Clean Solutions. Key words: Carbon Capture,Storage, CO2, sustainable, technology, global warming.
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 4, Issue 1, 2018 · pp. 5–10 Read article
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Millard Reaction: The Chemical Reaction of Browning, Flavoring and Aroma Through the Science of Cooking.
Abstract: The Maillard reaction is a step in the formation of advanced glycation endproducts (AGEs). It is tracked by measuring pentosidine. Even though the Maillard reaction has been studied most extensively in food science, it has also displayed and shown correlation in many different diseases in the body of human being, especially in degenerative eye diseases. In normal conditions, these diseases are due to the accumulation of advanced glycation endproducts (AGEs) …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 5, Issue 2, 2019 · pp. 9–19 Read article
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Synthesis of Various Products from Different Feed Stocks–an Insight Into Application of Biotechnology
Abstract: Synthesis of various products in energy efficient manner with minimum environmental foot print is important area of research in chemical engineering. Chemical pathways are energy intensive and many of the reactions are high temperature reactions. Many compounds like ethanol, amino acids, and acetic acids can be synthesized by biological methods. Biochemical reactions are low temperature reactions under mild conditions. Use of waste material as feedstock for production of useful compounds …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 7, Issue 2, 2021 · pp. 18–21 Read article
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Thermodynamic Equilibrium Modeling of Sunflower Husk Gasifier to Produce Synthesis Gas
Abstract: Energy from biomass offers the great attraction in producing useful gaseous component resulting in low emissions and providing energy security. In the present study a gasifier model was developed using commercial Aspen Plus simulator. The model developed was based on the minimization of Gibb’s free energy and is validated with the experimental data of sunflower husk gasification using air as a gasifying agent. The results predicted are in good agreement …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 2, Issue 2, 2016 · pp. 14–24 Read article
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Feasibility studies on use of solar thermal energy for electricity production with thermo-electric generators – a case study in India
Abstract: The possibility of producing electricity using solar thermal energy harnesses through flat plate collectors working with water and commercial thermoelectric generator modules has been explored for eight locations in India. This is an alternative to solar photovoltaic electricity production. The most suitable site for setting up such facilities has been identified on the basis of total electricity generation per annum. Even though the overall energy collection efficiency of such an …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 4, Issue 2, 2018 · pp. 48–60 Read article
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Comparative Studies on Production of Biodiesel from Waste Vegetable Oil (WVO) & Noctiluca Scintillans(NS)
Abstract: The world realized that the main source of energy from crude oil, which leads to the environmental concern and disappeared in few years. That’s how new resolutions are under study looking for alternate fuel to replace the fossil fuels. The research studies have been made in field, but none of which are on a large scale production locally in Oman. Based on scenario, Biomass (algae) can be produced to make …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 5, Issue 1, 2019 · pp. 23–36 Read article