Analysis of pre-heated crude palm oil, palm oil methyl ester and its blends as fuel in a diesel engine

Deepanraj, B.; Lawrence, P.; Sivashankar, R.; Sivasubramanian, V.

doi:10.1080/01430750.2015.1004106

Cited by 49 publications

(11 citation statements)

References 8 publications

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“…Higher EGT of CPO is also observed in experiments by Deepanraj et al 14 and De Almeida et al 5 The high viscosity of CPO causes poor atomisation of the fuel. This causes the fuel to burn in a later phase, or afterburn, consequently increasing the exhaust temperature.…”

Section: Engine Performancesupporting

confidence: 64%

“…The higher EGT is a result of delayed combustion which is a result of higher ignition delay. 5,14 The fuel consumption of CPO is reported to be higher than OD in all experiments. This can be attributed to the lower calorific value of CPO.…”

Section: Introductionmentioning

confidence: 74%

“…EGT is an indication of combustion properties. EGT tends to increase with longer ignition delays or extended combustion periods 14 that cause the combustion to end in a later phase. EGT increases with increasing electrical loads, as shown in Figure 8.…”

Section: Engine Performancementioning

confidence: 99%

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Performance and emissions of neat crude palm oil and its emulsions as diesel engine fuel

Chan

Yahya

Kadir

et al. 2021

Env Prog and Sustain Energy

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The depletion of petroleum diesel has prompted the use of biofuels and other alternative sources of energy. The direct use of neat crude palm oil (CPO) has mostly resulted in the increase of oxides of nitrogen (NOx). Emulsification has demonstrated the capability of reducing NOx emissions. An experiment is conducted to investigate the effect of increasing water content in CPO. Water-in-CPO emulsions with varying water contents by volume (5%, 10%, and 15%) with 1% SPAN 80 surfactant are labeled as W5CPO, W10CPO, and W15CPO. The fuels were tested on a singlecylinder diesel generator at 2900 and 3200 rpm with varying electrical load. For all load conditions at 3200 rpm, the smoke opacimeter reading is highest at 35% with W15CPO and the lowest smoke reading is 15% with W5CPO as fuel. The NOx of CPO was higher than ordinary diesel up to 29% at lower load. The NOx emissions of

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Section: Engine Performancesupporting

confidence: 64%

Section: Introductionmentioning

confidence: 74%

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Performance and emissions of neat crude palm oil and its emulsions as diesel engine fuel

Chan

Yahya

Kadir

et al. 2021

Env Prog and Sustain Energy

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“…However, as biodiesel is derived from animal fats or vegetables [10], it is controversial to use biodiesel because of its competition with food. Waste cooking oil is a potential alternative feedstock.…”

Section: Introductionmentioning

confidence: 99%

Emission Characteristics for Waste Cooking Oil Biodiesel Blend in a Marine Diesel Propulsion Engine

Wu¹,

Jiang²,

Yang³

et al. 2019

Pol. J. Environ. Stud.

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Diesel engines are widely used for propulsion on large ships, which has the undesired characteristic of generating large amounts of harmful emissions. To reduce these emissions, some alternative fuel was developed and used in a marine diesel engine. In this study, an experiment was carried out on a 6-cylinder turbocharged direct-injection marine diesel propulsion engine. A small proportion blend of biodiesel-diesel was used, aimed at exploring the emission characteristics and emission reduction mechanism for diesel propulsion engines. The results show that the high oxygen content of biodiesel blend is crucial for inhibiting the formation of particulate matter (PM) and reducing the formation of total unburned hydrocarbon (THC) and carbon monoxide (CO), which reduces the emission of harmful gases. At the same time, the number of particles (PN) has also decreased. However, the rapid burn rate of biodiesel was found to reduce brake thermal efficiency (BTE), resulting in an increase of fuel consumption and exhaust gas temperature (EGT), which can promote the formation of nitrogen oxides (NO x). More carbon dioxide (CO 2) is released due to the increased fuel consumption. The emission characteristics of the biodiesel blend and diesel fuel are discussed in this work.

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“…In the past decades, several studies have done on bioremediation of Phenol using strains like Arthobacter, Rhodobacter, Bacillus, Burkoldoria, Pseudonomous, Rhodobacter etc. has the ability to utilize P-nitro phenol as carbon and nitrogen source (Yanase et al 1992;Koutny et al 2003;Bergauer et al 2005;Rehfuss Urban 2005;Khazaali et al 2014;Deepanraj et al 2016), but so far there is no much report has been done on achromobacter species. The P-nitro phenol degradation pathway involves the formation of benentroid contains aromatic ring cleavage results in biodegradation of P-nitro phenol.…”

Section: Introductionmentioning

confidence: 99%

Biodegradation of P-nitro phenol using a novel bacterium Achromobacter denitrifacians isolated from industrial effluent water

Vijayan

Anand³

et al. 2021

Water Science and Technology

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In the present investigation, Achromobacter denitrifacians was isolated from industrial wastewater and used in the degradation of para nitro-phenol. Experiments were made as a function of different carbon sources, organic and inorganic nitrogen sources and metal ions to analyse the removal efficiency of para nitro-phenol present in the industrial wastewater sources. Observations revealed that the rate of phenol biodegradation was significantly affected by pH, temperature of incubation, glucose, peptone and metal ion concentration. The optimal conditions for phenol removal was found to be pH of 7.5, temperature, 35 °C and 0.25 gL−1 supplemented glucose level, 0.25 gL−1 supplemented peptone level, and 0.01 gL−1 zinc ion. The key importance of the present study is the utilization of native bacterial strain isolated from the industrial effluent water itself having an impending role in the bioremediation process of phenol.

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Analysis of pre-heated crude palm oil, palm oil methyl ester and its blends as fuel in a diesel engine

Cited by 49 publications

References 8 publications

Performance and emissions of neat crude palm oil and its emulsions as diesel engine fuel

Performance and emissions of neat crude palm oil and its emulsions as diesel engine fuel

Emission Characteristics for Waste Cooking Oil Biodiesel Blend in a Marine Diesel Propulsion Engine

Biodegradation of P-nitro phenol using a novel bacterium Achromobacter denitrifacians isolated from industrial effluent water

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