Search
1805 articles for “technique”
-
Modification of PVA & PMMA with blending and UV Irradiation
Abstract: Abstract-Vinyl polymers have good scope of modification by crosslinking, grafting and other different techniques. UV irradiation is also used for surface modification. In this study PVA and PMMA modified by blending with starch as well as with UV irradiation. Surface crosslinked PVA and PMMA films were set up by applying ultra violet (UV) irradiation. The impacts of convergence of photosensitizer watery arrangement, drenching time and UV light portion on a …
Published in International Journal of Chemical Separation Technology · Vol. 6, Issue 1, 2020 · pp. 1–5 Read article
-
Potato Starch-Based Polyethylene Composite: Fabrication and Evaluation
Abstract: This study's objective was to create and evaluate a biodegradable polymer composite consisting of potato starch (PS) and low-density polyethylene (LDPE). The effects of changing the PS content (10– 40 wt%) on the mechanical (elongation at break and tensile modulus), thermal (heat conductivity), and biodegradability characteristics of the polymer composite were examined. Next, it was examined how the cross-linking agent influenced the polymer composite's mechanical and thermal properties. The melt …
Published in International Journal of Chemical Separation Technology · Vol. 8, Issue 2, 2022 · pp. 32–44 Read article
-
Predicting the TPH Concentration along Horizontal Direction of Stagnated Water Contaminated with Crude Oil
Abstract: The research predicts and models TPH concentration along Horizontal Direction of Stagnated water contaminated with Crude Oil. TPH diffusion in the stagnant water media was studied using Developed Dispersion and Degradation Model incorporated with first order degradation rate and the Monod equation. TPH content decreased with increase in time, but randomly varied across the depths. The impact of crude oil was more in the fresh water compared to salt water …
Published in International Journal of Chemical Separation Technology · Vol. 9, Issue 1, 2023 · pp. 12–22 Read article
-
Crystal Growth, Synthesis and Characteristic Studies of Bismuth Doped Tristhioureazinc (II) Sulpate (ZTS) Crystal
Abstract: Potential semi organic tristhioureazinc(II) sulphate (ZTS), One of the best room temperature growth techniques for nonlinear optical materials with high SHG efficiency is slow evaporation solution growth, which produces pure and single crystals for use in laser technology and photonic applications. Single crystals Doping of Bismuth fluoride (equimolar) to ZTS is done during the crystallization process is further analysed by single crystal XRD which infers that the Bismuth doped ZTS …
Published in International Journal of Chemical Separation Technology · Vol. 9, Issue 2, 2023 · pp. 45–52 Read article
-
Influence of CeO2 nanoparticles on the corrosion behavior of electrodeposited Ni coatings
Abstract: Nickel-Ceria (Ni-CeO2) nanocomposite coatings were developed on mild steel (MS) substrate using electrodeposition method. The codeposition of the nanoparticles was achieved from the optimized Ni plating bath loaded with CeO2 nanoparticles (particle size <20 nm). Ni and Ni-CeO2 coatings were achieved at a wide current density (c.d.) range from 1.0 to 5.0 A/dm2 under optimal conditions, and their corrosion protection efficacy was examined in 5% NaCl medium. The material property …
Published in International Journal of Chemical Engineering and Processing · Vol. 2, Issue 1, 2016 · pp. 19–28 Read article
-
A Customized Wireless Supervisory Infrastructure for Integration and Explicit Multiparametric MPC-Based Control of Laboratory Processes
Abstract: In this study, a custom, embedded wireless (Zigbee) supervisory infrastructure aimed at integration of laboratory processes is reported. A microcontroller based field control unit (FCU) implements closed loop control on experiments via ADAM 5000/485 data acquisition module. Data from the process (sensor/manipulation) are broadcasted from FCU using a wireless access point (WAP). A MATLAB graphic user interface (GUI) updates the data (obtained using a remote monitoring unit (RMU)) graphically. Multiparametric …
Published in International Journal of Chemical Engineering and Processing · Vol. 2, Issue 2, 2016 · pp. 10–18 Read article
-
Application of Taguchi Method for Optimization of Reaction Parameters in Graft Copolymerization onto Guar Gum
Abstract: In this article, Taguchi method is used to theoretically optimize the various reaction parameters and their interactions that may affect the end properties of Guar Gum Grafted copolymers made in a laboratory glass reactor. An attempt has been made to assess and predict the effect of temperature, monomer (Acrylonitrile) concentration and Guar Gum concentration on % grafting. In the present study effect of above mentioned three reaction parameters on the …
Published in International Journal of Chemical Engineering and Processing · Vol. 3, Issue 2, 2017 · pp. 12–18 Read article
-
Passive Capillary Flow of Dyed Aqueous Isopropyl Alcohol in the Leakage-Free SU-8 based Glass Microfluidic Devices
Abstract: In this work, total 2 individual SU-8 based glass microfluidic devices are fabricated by the maskless lithography and indirect bonding technique. The aqueous isopropyl alcohol (10% IPA, 90% dyed water) is prepared to test these fabricated devices. Each passive capillary flow is recorded by the CMOS camera catching 25 frames per second. This work will be useful in bioengineering applications. Keywords: Passive capillary flow, SU-8, Aqueous IPA, Microfluidic device
Published in International Journal of Chemical Engineering and Processing · Vol. 4, Issue 1, 2018 · pp. 30–32 Read article
-
Experimental Studies on the Surface-Driven Capillary Flow of Water in Pristine and Processed Microfluidic Devices Fabricated by PMMA
Abstract: In this work, air dielectric barrier discharge (DBD) plasma processing on pristine polymethylmethacrylate (PMMA) flat surface is the chosen surface modification technique to vary the surface wettability creating a difference in microfluidic speed of dyed water. Straight microchannel of uniform width, microchannel with integrated micropillars on bottom wall, and microchannel bend are the proposed designs of PMMA microfluidic devices in this work. Each microfluidic flow of dyed water is recorded …
Published in International Journal of Chemical Engineering and Processing · Vol. 4, Issue 1, 2018 · pp. 33–38 Read article
-
Nuclear Cogeneration Projects in India : An Assessment of the Current Scenario and Future Prospects
Abstract: Desalination of sea water through thermal and membrane based techniques and production of hydrogen through low temperature water electrolysis at facilities co-located with nuclear power plants are two areas identified for deploying co-generation projects in India in the near term. Nuclear desalination meets the requirements of clean drinking water in and around the nuclear facility, as well as to the in-house demand for high purity water for steam generation and …
Published in International Journal of Chemical Engineering and Processing · Vol. 5, Issue 2, 2019 · pp. 69–89 Read article
-
Extraction,Characterization and Optimization of pectin from Banana peel by using Acid Extraction
Abstract: This paper basically focused on the production of pectin from banana peel, an agricultural waste. The production process used in this work was raw material collection from Hawassa City, and characterizing the raw material for its physic-chemical composition. The raw material was prepared and grinded to a averageparticle size of 0.25mm after drying at a constant temperature of 600C. The extraction of oil from the banana peel was conducted using …
Published in International Journal of Chemical Engineering and Processing · Vol. 6, Issue 2, 2020 · pp. 27–48 Read article
-
Investigation on Temperature Control of Boiler using Cascaded Proportional Integral Derivative (PID)
Abstract: Investigation was carried out to demonstrate the PID control mechanism of boiler using cascaded techniques to examine the tank temperature and the amplitude value of model developed without controller and model developed with controller. The influence of temperature was monitored and the effect examined with variation in amplitude. The obtained data from the investigation reveals the significant of temperature variation on the boiler control mechanism especially using Cascaded Proportional Integral …
Published in International Journal of Chemical Engineering and Processing · Vol. 7, Issue 2, 2021 · pp. 43–50 Read article
-
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
-
Square Wave Pulsed Electrodeposition of Chromium from Deep Eutectic Solvent (DES) Based on Choline Chloride
Abstract: Electrodeposition of chromium from hexavalent chromium ion is very toxic, carcinogenic, not environmentally benign, cathodic efficiency is low, and the quality of coating is very poor (due to H2 evolution). Ambient temperature Deep Eutectic Solvent (DES) can be formed by reacting choline chloride (HOC2H4 (CH3)3Cl) with metal salts. These low cost DES are not sensitive to air and moisture and have good electro-conductivity and they do not have vapour pressure. …
Published in International Journal of Environmental Chemistry · Vol. 2, Issue 1, 2016 · pp. 26–33 Read article
-
GLOBAL WARMING AND ITS PREVENTION THROUGH BIOGAS
Abstract: The impact of global warming has drastically affected the ecosystem and also the life on earth. The main causes of global warming are the pollutant gases which are released into the atmosphere by different sources. The major one being the automobile industries followed by different wastes that are generated on a daily basis. So the gases released during the combustion or burning of wastes are responsible for global warming. The …
Published in International Journal of Environmental Chemistry · Vol. 3, Issue 2, 2017 · pp. 12–18 Read article
-
Critical Examination on Aluminum Corrosion in Marine water Media Environment
Abstract: Investigation into the critical examination on aluminum corrosion in marine water media environment of Niger Delta in Nigeria was monitored using experimental and theoretical approach. Weight loss was experienced with increase in the period of exposure indicating the occurrence of corrosion of aluminum in both fresh and salt water body. The weight loss and corrosion rate characteristics of the aluminum in the river water media environment was further examine using …
Published in International Journal of Environmental Chemistry · Vol. 4, Issue 1, 2018 · pp. 29–43 Read article
-
Assessment of Groundwater Quality Affected by Open Dumping Site in Hyderabad Pakistan
Abstract: The present study has been conducted to evaluate the different samples of groundwater, surface leachate and Soil, for the determination of chemical parameters of surface leachate and their effects on soil using X-Ray Fluorescence spectroscopic (XRF) technique. Samples were collected from the vicinity of unregulated dumping site area of Hyderabad, Pakistan. Different chemical and elements including essential trace and toxic were determined. The impact assessment of leachate on the quality …
Published in International Journal of Environmental Chemistry · Vol. 5, Issue 1, 2019 · pp. 23–30 Read article
-
Removal of Methyl Orange from Wastewater Using Composite Material
Abstract: The textile industry is one of the pollute activities that most consume water. Industrial dyes are dangerous pollutants, resulting from the textile industry. The textile dyes significantly increase inhibit plant growth, enter the food chain, promote toxicity, and carcinogenicity. The removal of textiles dyes is usually proposed via adsorption represents a sustainable solution. A composite material was prepared by polystyrene in combination with commercial activated carbon. A series of experiments …
Published in International Journal of Environmental Chemistry · Vol. 6, Issue 1, 2020 · pp. 42–46 Read article
-
Excessive Application of Synthetic Fertilizers and their Adverse Impact on the Productivity of Soil
Abstract: In the present scenario of agriculture, the chemical fertilizers are the essential part of growing any kind of crop. They macro and micro nutrients play a vital role in the production of crop and can be increased but plant growth do not attain developed roots and do not attain maturity. The excessive use of fertilizers is very dangerous and enter the water, air and soil. The toxic substances absorbed by …
Published in International Journal of Environmental Chemistry · Vol. 7, Issue 2, 2021 · pp. 39–45 Read article
-
Environmental Impacts of Water Pollution
Abstract: Water is required for all life forms to exist. Water is essential for agriculture, industry, fishing, and tourism, among other things, in addition to household uses. Water availability has decreased as the world's population, urbanization, and industrialization have increased. The quality of the water used is also deteriorating as it becomes increasingly polluted. You've probably heard about some of the health harm or adverse consequences of water contamination. This teachable …
Published in International Journal of Environmental Chemistry · Vol. 7, Issue 2, 2021 · pp. 46–49 Read article