Microwave applications to oil sands and petroleum: A review

Sateesh, Mutyala; Fairbridge, Craig; Paré, J. R. Jocelyn; Bélanger, Jacqueline M.R.; Ng, Samson; Hawkins, Randall W.

doi:10.1016/j.fuproc.2009.09.009

Cited by 229 publications

(116 citation statements)

References 30 publications

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“…The temperature distribution between the oil phase and water phase results in a change of the naphthenic acid tertiary structure, where the hydrophilic group and hydrophobic group of naphthenic acid are twisted according to the temperature distribution Fig. 4 30 .…”

Section: 3mentioning

confidence: 99%

Microwave Synthesis, Extraction, Improvement and Degradation in Oil Chemistry

Sumi

Horikoshi

2013

J. Oleo Sci.

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Section: 3mentioning

confidence: 99%

Microwave Synthesis, Extraction, Improvement and Degradation in Oil Chemistry

Sumi

Horikoshi

2013

J. Oleo Sci.

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“…As a energy field, Microwave can heat substance fastly, uniformly and selectively. It has been used widely in many fields including mineral leaching (AlHarahsheh and Kingman 2004;Chen et al 2011), wastewater treatment (Lin et al 2009;Remya and Lin 2011), environmental engineering and oil sand and petroleum upgrading (Jones et al 2002;Mutyala et al 2010). With the increasing emphasis on environmental issues, the application of microwave technology in the field of clean coal technology has attracted attention of experts (Zavitsanos and Blriler 1978;Meikap et al 2005;Kalra 2006; Lester et al 2006;Sahoo et al 2011;Royaei et al 2012;Ge et al 2013;Xia et al 2013).…”

Section: Introductionmentioning

confidence: 99%

Progress of the technique of coal microwave desulfurization

Tao

Xie

et al. 2014

Int J Coal Sci Technol

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With the advantages of its fast speed, effective and moderate controllable conditions, desulfurization of coal by microwave has become research focus in the field of clean coal technology. Coal is a homogeneous mixture which consists of various components with different dielectric properties, so their abilities to absorb microwaves are different, and the sulfur-containing components are better absorbers of microwave, which makes them can be selectively heated and reacted under microwave irradiation. There still remain controversies on the principle of microwave desulfurization at present, thermal effects or non-thermal effects. The point of thermal effects of microwave is mainly base on its characters of rapidly and selectly heating. While, in view of non-thermal effect, direct interactions between the microwave electromagnetic field and sulfur containing components are proposed. It is a fundamental problem to determine the dielectric properties of coal and the sulfur-containing components to reveal the interaction of microwave and sulfur-containing compounds. However, the test of dielectric property of coal is affected by many factors, which makes it difficult to measure dielectric properties accurately. In order to achieve better desulfurization effect, the researchers employ methods of adding chemical additives such as acid, alkali, oxidant, reductant, or changing the reaction atmosphere, or combining with other methods such as magnetic separation, ultrasonic and microorganism. Researchers in this field have also put forward several processes, and have obtained a number of patents. Obscurity of microwave desulfurization mechanism, uncertainties in qualitative and quantitative analysis of sulfur-containing functional groups in coal, and the lack of special microwave equipment have limited further development of microwave desulfurization technology.

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“…The 13 maximum temperature difference observed between the reactor walls and the bulk of the sample 14 was of 87ºC. 15 …”

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“…However, as previously seen, the amount of organic matter in the spent shale after 14 conventional heating was lower, meaning that the amount of gas formed increased in this case. 15 When adding the zeolite to the oil shale under microwave irradiation, liquid products yield 16 decreased significantly. Nevertheless, total conversion of the oil shale under microwave heating 17 was about 70% of the initial organic content, with and without zeolite ( Table 4).…”

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confidence: 99%

“…The band at 2730 cm -1 may correspond to the C-13 H stretching vibration of groups H-C=O, characteristic of aldehydes (these groups would appear 14 between 2650 -2800 cm -1 53 ). 15 It is generally accepted that for wavenumbers greater than 3000 cm -1 the vibrations are due to 16 stretching of the C-H bond of an ethylene or aromatic groups 51 The liquid sample obtained under microwave irradiation in the presence of BEA zeolite shows 2 very similar characteristics with the sample obtained in the absence of zeolite, as shown in Figure 3 11A. The naphtha fraction ( Figure 11B) decreased when the zeolite was used, while the kerosene 4 fraction increased.…”

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confidence: 99%

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The Oil Shale Transformation in the Presence of an Acidic BEA Zeolite under Microwave Irradiation

et al. 2014

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The transformation of an oil shale sample from the Autun Basin in the Massif Central, France, was studied using two different heating strategies: microwave irradiation and conventional heating. Microwave heating was performed using a single-mode cavity operating at a frequency of 2.45 GHz under an inert atmosphere. Heating of the sample generated liquid products of similar composition using either microwave or conventional heating. The yields of liquid products were similar in the two cases, while the overall energy requirements were much lower using microwave irradiation. The influence of water vapor on the oil shale decomposition was also studied under microwave energy. In order to simulate conversion of the organic fraction of the oil shale in the presence of an acidic zeolite catalyst, the oil shale sample was mixed with 5 wt % BEA zeolite and heated under microwave irradiation. It was found that the liquid products yield decreased along with an increase in the amount of coke produced. Gaseous and liquid products recovered showed a tendency for the production of lighter components in the presence of zeolite. The aromatic character of the oils was more important when microwaves were used, especially in the presence of zeolite.

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Microwave applications to oil sands and petroleum: A review

Cited by 229 publications

References 30 publications

Microwave Synthesis, Extraction, Improvement and Degradation in Oil Chemistry

Microwave Synthesis, Extraction, Improvement and Degradation in Oil Chemistry

Progress of the technique of coal microwave desulfurization

The Oil Shale Transformation in the Presence of an Acidic BEA Zeolite under Microwave Irradiation

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