Metal Removal Petroleum Coke
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- Metal Removal Petroleum Coke
Petroleum coke, abbreviated coke, pet coke or petcoke, is a final carbon-rich solid material that derives from oil refining, and is one type of the group of fuels referred to as cokes.Petcoke is the coke that, in particular, derives from a final cracking process—a thermo-based chemical engineering process that splits long chain hydrocarbons of petroleum into shorter chains—that …
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Petroleum Coke is a carbonaceous solid derived from oil refinery coker units or other cracking processes. Other coke has traditionally been derived from coal. Petcoke is the coke that, in particular, derives from a final cracking process–a …
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The steadily growing demand for non-ferrous metals, a shift to heavier crude oil recovery and tightened environmental standards have increased the importance of heavy petroleum feedstock (HPF) as a raw source of metals. This paper reviews the recent developments in the recovery of vanadium and nickel from HPF. During crude oil processing …
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A number of processes ranging from purely physical such as solvent extraction to thermal or chemical treatment using different agents including hydrocarbon gases, alkali metal compounds, and...
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A number of processes ranging from purely physical such as solvent extraction to thermal or chemical treatment using different agents including hydrocarbon gases, alkali metal compounds, and hydrogen have been proposed for petroleum coke desulfurization. The complexity of the sulfur-carbon bonds in coke, together with the extremely variable nature of …
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Petroleum coke (pet coke) is a carbonised heavy residual product obtained from petroleum processing. Pet coke contains between 1 and 10% w/w sulphur as both inorganic and organic forms. The removal of organic sulphur from pet coke is desirable to reduce the environmental harm of its combustion emissions but the elevated temperatures and pressures …
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Keywords Activated carbon; metal removal; petroleum cake; SEM; wastewatertreatment I ntrod uction ... The mix of petroleum coke and activating agent was boiled at 110°C for 2 hours. The dried ...
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Petroleum coke is a solid by-product of petroleum refining and is used in the production of carbon electrodes for the aluminum industry, graphite electrodes for steel making, as fuel in power generation, and as fuel for cement kilns. In the United States, more than 1.5 million tonnes (1.68 × 10 6 tons) of petroleum coke are used by major utilities, as shown for 2000 in Table 5.7.
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Niasar et al. 4 studied heavy metal removal using activated petroleum coke. After activation the petroleum coke surface area was found to be 1726 m 2 /g with the KOH to coke ratio of 3 and at ...
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Steel. Petroleum coke plays a crucial role as a reducing agent in steel production processes. By participating in chemical reactions, it facilitates the removal of oxygen from iron ore, a vital ...
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Furthermore, the physical and chemical characteristics of petroleum coke will determine the specific purpose for which it will be used, although petroleum coke is substantially made from carbon. 28 For example, a higher concentration of heavy metals and sulfur in petroleum coke 4 is more intended for fuel in power generation or cement ...
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Coke Oven Emissions. Shashi K. Ramaiah, Harihara M. Mehendale, in Encyclopedia of Toxicology (Second Edition), 2005 Background Information. Petroleum coke is a chunky powdered carbon product derived from petroleum. If petroleum coke is heated to a high temperature, it may emit volatiles such as polynuclear aromatic hydrocarbons, which could be …
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The applied sequential extraction method represents a suitable technique to recover metals from these materials, and is a valuable tool in understanding the metal retaining and leaching capability of various biochar types and carbonaceous petroleum coke samples.
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Even after regeneration catalysts activity is often not restored to the origina[level, because the main mass of metals remains in Metal removal from petroleums and petroleum products 121 the pores. 209 t metal may be deposited every year in a desulphurizing plant (7950 m3/ /day) on the catalyst, from a feed containing 0.01% of metal; the metal ...
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Carbon dots (CDs) are of particular interest in numerous applications. However, their efficiency for heavy metal removal from wastewater was not yet reported. Herein, we rationally synthesized CDs from petroleum coke waste via hydrothermal treatment in the presence of ammonia. This drove the formation of outstanding photoluminescent, water-soluble, …
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The high sulfur petroleum coke is a by-product in the petroleum refining process, which has high carbon, high sulfur and low ash material. It has been investigated in previous papers to capture Hg 0 instead of activated carbon [[33], [34], [35]], however, they focused either on the impregnation halogen [33, 34], or on the pyrolysis of high sulfur petroleum coke in N 2 …
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The calcining process can remove the volatiles from petroleum coke, improve its fixed carbon content, reduce resistivity, and improve its chemical stability and physical …
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This study employed Box-Behnken design and response surface methodology to optimize activation parameters for the production of activated petroleum coke () adsorbent from petroleum coke (PC) to achieve highest adsorption capacity for three model naphthenic acids. Activated petroleum coke () adsorbent with a BET surface area of 1726 m 2 /g and …
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This study aims to determine the main adsorption mechanism by which chromium (VI) is adsorbed onto the surface of a petroleum-coke sourced activated carbon, a feedstock not prevalent in current literature. The study also aims to produce an activated carbon adsorbent that is both cost-effective and efficient for the removal of chromium (VI) in neutral waters. The …
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Metal salts were removed from crude petroleum and petroleum fractions by extraction into an aqueous solution using a demetallization agent and a demulsifying agent.
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Treatment with alkali metal compounds. Coke may be desulfurized by treatment with an alhali metal compound. ... W. C. Shafer; Removal of sulfur from petroleum coke by pyrolysis, Quarterly of the ...
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How to effectively reduce the sulfide content of HSPC to produce low-sulfur petroleum coke (LSPC, S < 1.0 wt%) with high value is the research hotspot, but remains a huge challenge in …
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There are different ways of desulfurizing green petroleum cokes such as solvent extraction, thermal desulfurization, and hydrodesulfurization. Solvent extraction can contaminate the …
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The efficacy of metal-impregnated petroleum coke (PC) activated carbon for the adsorption of arsenite and arsenate in acidic waters is investigated in this study. ... Although there are many methods for the removal of metal ions from different matrices, such as ion exchange, coagulation, flocculation, nanofiltration, ...
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Petroleum coke (PC)-derived porous carbons were developed through chemical activation using KOH and applied to adsorb Cu(II) ions from aqueous solutions. The effects of KOH/PC mass ratio and activation temperature on the preparation and physical properties of porous carbon were studied. Also, the effects of the initial solution pH, contact time, operating …
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One of the by-products produced in the petroleum refinery industry is Petroleum coke or pet coke (PC). To make its use in the development of high-cost value-added carbon products apart from electrodes in steel and aluminium extraction is one of the areas of research interest among the scientific community. The present investigation optimized processing …
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The pyrolysis mechanism of petroleum coke was investigated by combining TG-MS analysis and ReaxFF molecular dynamic simulations. • TG-MS pyrolysis products comprised H 2, CO 2, CO, SO 2, and trace amounts of CS 2. • The mechanism of sulfur removal from coke during high-temperature pyrolysis was determined.
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Petroleum coke containing vanadium is a promising form of raw material. When using this coke, metal yield into finished products increases and fuel consumption decreases …
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Although efforts such as thermal desulfurization and alkali metal compound desulfurization have been made, ... Mathews J. P. Sulfur removal from petroleum coke during high-temperature pyrolysis. Analysis from TG-MS data and ReaxFF simulations. J. Anal. Appl. Pyrolysis 2018, 132, 134–142. 10.1016/j.jaap.2018.03.007.
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Coke Characterization. Chemical and Biological Methods for Impurity Removal from Coke. Thermal Methods for Sulfur Removal from Coke. Summary and Conclusions
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The feasibility of the reuse of petroleum coke, withof high sulphur content, produced as waste in a Mexican petroleum refinery, its properties for use in w ... Production of activated carbon from petroleum coke and its application in water treatment for the removal of metals and phenol R.M. Ramírez Zamora; R.M. Ramírez Zamora * Instituto de ...
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Removal of organic compounds and trace metals from oil sands process-affected water using zero valent iron enhanced by petroleum coke J. Environ. Manag., 139 ( 2014 ), pp. 50 - 58, 10.1016/j.jenvman.2014.03.001
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In this study, a novel demetallization-desulfurization process has been developed to selectively extract metals about 36 metals including vanadium and nickel from the core of the …
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The mechanism of sulfur removal in petroleum coke was preliminarily explored by Gauss, Multiwfn and VMD software, ... nitrogen, oxygen, sulfur, and metal elements (Manasrah et al., 2018). Because of its composition, petroleum coke has unique physical and chemical properties and is widely used in various fields; however, sulfur affects the ...
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In order to solve the problems of conventional heating, Zhang et al. [75] used microwave-ultrasonic-assisted leaching to enhance the removal of V from petroleum coke. When the ultrasonic power was ...
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Therefore, the main purposes of this study are to: (1) investigate the effect of petroleum coke on biogas production from wastewater sludge, (2) compare the capability of graphene and petroleum ...
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