As a greener, non-toxic and inexpensive oxidant with copious availability, molecular oxygen existing in ambient air has been employed in the deep oxidative …
WhatsApp: +86 18221755073The demand for clean fuels is increasing throughout the world, with more stringent environmental regulations for transportation fuels including marine fuels, particularly regarding their sulfur content. Moreover, the quality of crude oil and …
WhatsApp: +86 18221755073Abstract— Because of the requirement for low sulfur content of fuel oils, it is necessary to develop alternative methods for desulfurization of petroleum fractions. Due to the disadvantages of …
WhatsApp: +86 18221755073Studies have been undertaken of the desulfurization of petroleum cokes in relation to the utilization of the delayed and fluid cokes arising from the refining of Athabasca oil-sands …
WhatsApp: +86 18221755073Desulfurization proceeds due to crude oil properties mainly high boiling range, high fluidity, high sulfur content and nat ure of sulfur content. 1. INTRODUCTION. Crude oil is a complex mixture …
WhatsApp: +86 18221755073High-sulfur petroleum coke (HSPC), that is a by-product from slag oil in the coking process of refining, shows versatility values in practical applications and, however, …
WhatsApp: +86 18221755073Deep desulfurization of fuels is needed to reduce sulfur oxides (SOx) emissions during combustion causing smog, global warming, and acid rain. Among petroleum-derived …
WhatsApp: +86 18221755073One of the major challenges in the petroleum industry is to produce fuels and other products with the lowest level of impurities. The presence of impurities in hydrocarbon products …
WhatsApp: +86 18221755073The sulfur in petroleum coke is harmful to carbon products, underscoring the importance of desulfurization for high-sulfur petroleum coke. This paper proposes a method …
WhatsApp: +86 18221755073Key-Words: Desulfurization, Petroleum fractions, Activated carbon, Ultrasound-assisted oxidative desulfurization. download Download free PDF View PDF chevron_right. A REVIEW OF NON …
WhatsApp: +86 18221755073Mitra et al. [9] synthesized V 2 O 5 /Al 2 O 3 and used it as a heterogeneous catalyst with cumene hydroperoxide (CHP) for desulfurization oil at 1 atmosphere. The oxidation process of sulfur …
WhatsApp: +86 18221755073Sulfur removal by solvent extraction on gas oil A. desulfurization at the higher solvent ratios, albeit at relatively low yields (cf. the results in Table 2). The relative …
WhatsApp: +86 18221755073The last two decades have witnessed growing research interest in fuel oil desulfurization (Fig. 2) driven largely by the increasing fuel consumption worldwide [36], [37], …
WhatsApp: +86 18221755073Hydrodesulfurization (HDS) is the most widely used method in petroleum refining. It involves the catalytic reaction of sulfur compounds with hydrogen at high temperatures …
WhatsApp: +86 18221755073Desulfurization of fuels is a critical process in oil refining due to the destructive effects of sulfur compounds on human health and the environment. Naphtha is an important middle distillate …
WhatsApp: +86 18221755073Effective parameters on desulfurization of petroleum coke, other than temperature, include alkali to feed (petroleum coke) mass ratio, time and mesh size in the ranges of 0.5-1.5, 1-3 h and 200 …
WhatsApp: +86 18221755073Due to the most recent environmental requirements, wide desulfurization has become an increasingly important way to obtain ultra-clean fuels for transportation of less than 15 ppmw of sulfur,...
WhatsApp: +86 18221755073The Catalytic Desulfurization (CDS) process is a key technology in the oil refining industry, which helps to remove sulfur-containing impurities from crude oil, feedstocks, and …
WhatsApp: +86 18221755073Adsorptive desulfurization involves the removal of organic sulfur compounds from petroleum fractions by physicochemical adsorption processes. This is a low temperature and …
WhatsApp: +86 18221755073The removal of sulfur by deep hydrodesulfurization is expensive and environmentally unfriendly. Additionally, sulfur is not separated completely from heterocyclic poly-aromatic compounds. In nature, several microorganisms …
WhatsApp: +86 18221755073The slightly lower ODS performance of Ni/AC–NaClO system for real oil samples as compared to that of model oil (DBT) is because real oil in addition to DBT, also contains other …
WhatsApp: +86 18221755073Thus, petroleum desulfurization is a challenging task for the refiners under the current environmental regulations. Keeping in view this scenario, worldwide researchers are striving to …
WhatsApp: +86 18221755073The results show that the desulfurization rate reaches 88.99% and the sulfur content is reduced to 0.83 wt.% under a coke particle size of 96–75 μm, sodium-hydroxide-to-petroleum-coke ratio of …
WhatsApp: +86 18221755073Light gas oil desulfurization by resting cells of Pseudomonas aeruginosa PAR41 carrying the dsz gene cluster from R. erythropolis KA2-5-1, grown in a medium with 4,6 …
WhatsApp: +86 18221755073Desulfurization and hydrogenation of aromatics in diesel oil were investigated in an isothermally operated trickle-bed reactor 500 mm long and with a 19-mm ID, using commercial bifunctional NiMo ...
WhatsApp: +86 18221755073This article is cited by 11 publications. Jiazhuang Tian, Qiuyun Mao, Zihan You, Qifan Zhong. Investigation of Petroleum Coke Gasification with CO2/H2O Mixtures and S/N Removal …
WhatsApp: +86 18221755073The desulfurization of petroleum coke under static conditions is a reaction of external diffusion control, while this process under dynamic conditions is a reaction of internal …
WhatsApp: +86 18221755073Sulfur in crude oil and its byproducts can have harmful effects on health and the environment, making process gas desulfurization an essential step in the refining process. In …
WhatsApp: +86 18221755073Desulphurization of crude oil using caustic soda: process modelling and optimization, Petroleum Science and Technology, DOI: 10.1080/10916466.2022.2108444 To …
WhatsApp: +86 18221755073Upon decreasing the grain size, the petroleum coke desulfurization rate increased, but this was mainly due to an early increase in the contact area and a decrease in the …
WhatsApp: +86 18221755073