Huge amounts of noxious chemicals from coal and petrochemical refineries pharmaceutical industries are released into water bodies. These highly toxic cause adverse effects on both aquatic terrestrial life. The removal hazardous contaminants industrial effluents is expensive environmentally driven. majority the technologies applied nowadays for phenols other based physio-chemical processes such as solvent extraction, chemical precipitation, adsorption. efficiency chemicals, especially...

In this study, production, performance and emission characteristics of methyl esters Oleander, Kusum Bitter Groundnut oil in a transportation diesel engine were studied. Oleander (OOME), (KOME) bitter Oil Methyl Esters (BGOME) prepared by transesterification process. The effects three on exhaust emissions examined at different speed full load condition. Experimental results showed that the brake thermal efficiency OOME is found higher specific fuel consumption lower compared to KOME BGOME....

In this study, bioethanol was produced from Eichhornia crassipes (EC) plant and tested in diesel engine order to understand the potential of fuel. The blending Crassipes with is done help ultrasonic machine. For acquiring data, Kirloskar made single cylinder 3.5 kW rating employed for experimentation. Bioethanol obtained EC blended various proportions petro-diesel biodiesel. properties measured based on ASTM standards. experimental results revealed that 10% blend (90% bioethanol) a clear...

Biodiesel as an alternative to fossil fuels has been developed consistently in last few years due its several advantages such renewable and biodegradable fuel, reduction of global warming, less air pollution, low sulfur content, toxic emission, high cetane number, water soil fewer health risks. In this paper, the effects methanol-to-oil molar ratio, catalyst amount reaction time on transesterification Karabi oil biodiesel were investigated. Methanol with calcium oxide a heterogeneous was...

This paper presents the production of biodiesel from Eucalyptus oil using ultrasonic energy and optimization process parameters by response surface methodology. The Box–Behnken design has been used to plan experiments methodology (RSM) is selected develop mathematical relationships between desired (biodiesel yields). effects various factors such as frequency, power, molar ratio, reaction temperature, time on yield were studied optimize process. results showed that all considered affect...

The present study deals with development of a hybrid reactor for biodiesel production based on the combined hydrodynamic cavitation and mechanical stirring processes. Biodiesel were produced using Kaner Seed Oil (KSO). experimental results show that produces 95% yield within 45 min 0.75% catalyst 6:1 M ratio which is significantly higher as compared to or alone. Thus process in cheap (high yield), efficient (time saving) environmentally friendly (lower% catalyst). Performance engine shows an...

In this study, the performance and emission characteristics of biodiesel blends 10, 20, 30 50% from Schleichera Oleosa oil based on hydrodynamic cavitation were compared to diesel fuel, found be acceptable according EN 14214 ASTM D 6751 standards. The tests have been performed using a single cylinder four stroke engine at different loading condition with blended fuel rated speed 1500 rpm. SOME (Schleichera Oil Methyl Ester) in proportions 10%, 20%, 30% by volume pure was used as fuel. Engine...

The present work deals about the performance, emission and combustion characteristics of a four-cylinder, direct injection, water-cooled, Indica diesel engine fuelled with biodiesel produced through hydrodynamic cavitation method from an underutilised potential feedstock Yellow Oleander (Thevetia peruviana) oil. Engine tests were performed neat blends 10%, 20% 30% oil at different speeds. Experimental results showed that technique 1% w/w catalyst percentage, 6:1 molar ratio 35 min reaction...

In the present research work, Nerium oleander oil has been used as raw material for producing biodiesel using both ultrasonic transesterification and a magnetic stirrer method. A two-step process was carried out optimum condition of 0.40% V/V methanol to ratio, 1% H2SO4 catalyst, 55°C temperature, 60 min reaction time followed by treatment with 0.2% V/W KOH alkaline time. The is repeated an method at frequency 28 kHz horn type reactor (50 W) about 10–15 min. Biodiesel obtained from then...

In the present study, biodiesel produced from a third generation feedstock, Neochloris oleoabundans microalgae was tested as green fuel in single cylinder diesel engine. Produced and its blends had their properties assessed compared to petroleum diesel. The blended with B10, B20 B30 on volume basis were used for conducting combustion, performance emission analysis of blend led slight reduction brake thermal efficiency (0.92%) while increasing BSFC fuel. highest reductions CO, HC, smoke 23%,...

In this study, the production, performance and emission characteristics of biodiesel blends produced from bitter ground nut oil were compared to diesel fuel. first part research, production groundnut optimisation process parameters undertaken. second part, 4-cylinder Tata Indica engine has been studied at different speeds. During tests, showed higher brake specific fuel consumption exhaust gas temperature, while marginally lower power, torque thermal efficiency than noticed. Engine emissions...

The enormous quantities of municipal solid waste (MSW) generation in Indian cities has emerged as a serious concern. In order to reduce the negative environmental impacts MSW accumulation dumpsites or unsecured landfills across India, various measures have been proposed facilitate conversion into valuable resource. One such measure is immense potential for utilization source energy. this study, comprehensive estimation energy freshly dumped conducted at large landfill site Okhla, Delhi,...

This paper presents a novel method for maximum utilisation of solar energy on collectors by optimising tilt angle (β). The optimisation has been done in two steps, first, the partial differential equation total radiation tilted surface (HT) is differentiated with respect to β and second, Taylor's series expansion applied find optimised (βTaylor). results so obtained are different locations India it found that anisotropic atmospheric conditions monthly falling collector βTaylor increased...

In this present work, biodiesel is produced from a new feedstock; Custard apple seed oil using hydrodynamic cavitation (HC), ultrasonic (UC) and conventional mechanical stirring (MS) methods via transesterification under optimum conditions: to methanol ratio, 1:6, in the presence of 0.75 wt.% potassium hydroxide as catalyst 60°C operating temperature. Further, various test fuels were prepared for engine tests by blending 20%, 40%, 60%, 80%, 100% methyl ester (CAME) diesel on volumetric basis...

This research was undertaken to estimate the energy potential of municipal solid waste (MSW) disposed over past 15 years in an unsecured landfill located Okhla, Delhi, India. The collected a total 98 samples from various depths and locations, which were analyzed for physico-chemical characterization. Multiple regression models estimating content MSW developed predict average gross calorific value (GCV) net (NCV). Forward entry applied identify variables that contributed significantly...

This paper presents a study on stand-alone photovoltaic (SAPV) system to provide the required electricity for single residential household in India. The complete design of suggested is carried out, such that site radiation data and electrical load typical considered are taken into account during steps. Also, life cycle cost (LCC) analysis conducted assess economic viability system. results encouraged use PV systems electrify rural sites

This paper deals with the comparison of hydrofluoroolefins (HFO-1234yf & HFO-1234ze) and HFC-134a in a vapor compression system equipped liquid vapour heat exchanger(LVHE). HFO-1234ze (trans-1, 3, 3-tetrafluoroprop-1-ene) HFO-1234yf (2,3, 3-Tetrafluoropropene) have ultra low Global Warming Potential (GWP) zero Ozone Depletion (ODP). For exergy analysis mathematical computational model has been developed Engineering Equation Solver(EES) for calculating different parameters. Results obtained...