Crushing & Grinding Machines

Petroleum Coke

A A Boateng in Rotary Kilns Second Edition 2016 Abstract Petroleum coke is a by-product of the coker process in the oil industry In its raw form it is also called green coke or green petroleum coke Calcined petroleum coke is an important industrial commodity that links the oil and the metallurgical industries as it provides a source of carbon for various metallurgical...

PETCOKE AS FUEL FOR CEMENT PRODUCTION BENEFITS

Oct 11 2013 0183 32 delayed process coke is produced by a semi- continuous batch process accounts for majority of coke production fluid petcoke produced by continuous fluidized bed process typically contains less volatile matter than delayed process green coke 25-6 iupac international union of pure and applied chemistry 3...

Modelos matemáticos empíricos para densidade real e

green coke Bulk density another quality indication of calcined coke is according to bibliographic data subjected to the content of volatile matter in the green coke There is a lack of information concerning the production of coke and its properti The present work was aimed at making mathematic models from industrial data to help...

APCAC XVII TECHNICAL CONFERENCE

Petroleum coke is a byproduct from oil refining industry and exists in four basic forms delayed coke green coke calcined coke fluid coke and flexicoke Delayed coke is a byproduct of the delayed coker process Calcined coke is delayed coke that has been pyrolized above 1400 176 C to remove the volatile part and is usually used in the...

Rubber Chemical Resistance Chart

This chart shows the chemical compatibility and resistance of all popular rubber or elastomer materials Use this chart to make sure your rubber or O-ring seal material is compatible with your environment...

Analysis and Characterization of High

an important indication of coke quality and properti Green coke volatility levels can be qualitatively related to calcined coke quality 11 Low-volatile coke is a more concentrated sulphur-bearing coke Cokes of low volatile matter content are in general easier to remove from the coke...

Calcinations of Petroleum coke

Petroleum coke calcining is taking green coke or anode grade green coke from the refining process and convert this coke to different structures of carbon The calcined coke is used to produce carbon anodes for the aluminum industry To obtain the calcined coke properties required by the carbon and...

COKE VCM Oil Gas Industry Technology Updates

Jul 10 2013 0183 32 Making coke too soft high VCM leads to potential foamover problems and increased coke yields at the expense of more valuable gas oil Hard coke low VCM takes longer to cut The VCM of coke is primarily a function of coke drum overhead vapor temperature Many refiners attempt to control coke VCM by monitoring heater-outlet ie transfer...

DISCRETE ELEMENT METHOD APPLIED TO THE

Effects of coke particles shape and size distribution on vibrated bulk density VBD of Typical green and calcined coke properties 14 8 Table 41 Parameters used to define the material coke particles in the DEM model and the Changes in supply and sulfur content in US green coke 11 6 Figure 16 Delayed coking process...

Asphaltene Content

654 Types of Coke and their Properti Coke amount can be upto 30 wt in delayed coking It is produced as green coke which requires calcination to remove the volatiles as fuel product Green coke can also be used as fuel The most common types of coke are Sponge coke Sponge coke is named for its sponge-like appearance...

US4521278A

A method is provided for producing needle coke comprising the steps of heating green needle coke at temperatures between about 875 176 F and about 1 200 176 F for between about 10 minutes and about 24 hours and without first allowing the temperature of the coke to cool below about 250 176 F calcining the green needle coke at calcination temperatures above about 2 000 176 F...

New Technologies in Ethylene Cracking Furnace Design

Oct 31 2017 0183 32 Effects tube characteristics by impact on creep properties ductility thermal fatique thermal expansion coefficient Creep ductility exhaustion Each cycle small amount of creep until creep ductility reached radiant coil has a limited lifetime...

5 EXPERIMENTAL8

effect on its density easier to determine 517 Graphitisation High-ash Waxy Oil green coke was obtained from the commercial delayed coker at Secunda South Africa The green coke was dried and separated into size fractions The size fractions were recombined to produce a composite sample 2 200 g for graphitisation The weights of...

tky new free way asymmetric split screen effect

The only effect that it will have on your side is that other accounts on your ps4 will not be able to make use of PS Anything online for your personal account will remain the same so this is only an issue if you want to split screen an online game or something like that Effect Of Vcm And Hgi On Green Coke Properties duolangch...

Vertical Shaft Calcination Process Description Coke

Green Coke with high volatile matters 12 can be calcined without having negative effect on the coke quality this cannot be achieved in a rotary kiln technology Even green Cokes with 14 can be calcined by adding Calcined material to the green coke feed This naturally has a negative impact on productivity but not the quality...

Study on physical

Green coke undergoes additional thermal processing to produce calcined coke Various properties of calcined cokes from several refineries were analyzed Coke properties evaluated are moisture...

PVC Polyvinyl chloride Chemical Compatibility Chart

PVC Polyvinyl chloride Chemical Compatibility Chart Check the chemical compatibility of Polyvinyl chloride / PVC with various chemicals solvents alcohols and other products Shop PVC Please Note The information in this chart has been supplied by reputable sources and is to be used ONLY as a guide in selecting equipment for appropriate chemical compatibility...

US6039791A

Certain physical properties chemical composition and a content of volatile carbonaceous materials define the limits of the use of coke by-products of crude oil refining as green cokes for use in the manufacture of calcined cokes suitable in the production of anodes for the reduction processes in the aluminum industry These limits render large quantities of green coke unusable for the purpose...

THE EFFECT OF AN IRON OXIDE CATALYST Fe3O4 THE

The study further evaluates the effect of increasing the catalyst concentration on both the real density and the carboxy reactivity of the calcined coke Experimental Waxy Oil green coke Four samples of high ash Waxy Oil green coke were obtained from the Synfuels delayed coker in Secunda South Africa The samples 30-60 mm were crushed...

Bench Mark Prebaked Anode Production with Russian Raw

The properties are predicted by using well established correlations on the impact of impurities present in the coke 8 9 and of its relevant green physical properties like the VCM and HGI on rotary kiln calcined coke 10 For the calcination degree a moderate real density target is chosen to avoid...

Delayed Coking Process1 Cracking Chemistry Oil Refinery

Properties of Green Coke resulting in the formation pitch or high VCM coke Above a specific temperature the coke formed will be excessively hard and difficult to remove from the drum with the hydraulic decoking equipment A decrease in pressure has the effect of...

Coke production

The green coke which was obtained in run D contained a lot of pitchy substance in the upper portion It melted and foamed during calcining and had a very poor appearance The green coke obtained in run E was a spongy one having a lot of foam As is clear from Table 3 the cokes obtained by the process of this invention had very high quality...

Delayed Coker Coke Characterization Correlation between

Delayed coking is the technology most used to upgrade vacuum residue into high-value products but in this process secondary reactions produce coke It is already known that the chemical and physical properties and composition of the feedstock and processing conditions affect coke morphology Recently a new type of morphology called transition coke has been described but this morphology...

Two examples 1 cause

Environmental chemicals and Cancer clusters Cause and effect or coincidence Laura Green page 1 Two examples 1 cause-and-effect 1 almost certainly coincidence 1 Vinyl chloride at BF Goodrich plant Louisville Kentucky and liver cancer angiosarcoma of the liver 2...

Heavy Oils Processing Cracking Chemistry Coke Fuel

Temperature is used to control the volatile combustible material VCM content of the coke product In general produce coke is produced with a VCM ranging between 60 and 80 wt This results in a harder coke and if structure and impurity levels are acceptable in a more desirable aluminum-grade coke...

MATERIAL SAFETY DATA SHEET

Product Name PETROLEUM COKE Revision Date 26 Feb 2015 Page 4 of 9 _____ temperatur Do not store in open or unlabelled containers SECTION 8 EXPOSURE CONTROLS / PERSONAL PROTECTION Substance Name Form Limit/Standard Note Source COKE PETROLEUM as V2O5 TWA 005 mg/m3 Supplier COKE PETROLEUM Respirable fraction...

petroleum coke specifications petroleum coke

high carbon low sulfur GPC/Graphitized petroleum coke/CPC Calcined Petroleum Coke Product characteristics and application scope high content of fixed carbon low sulfur content stable carburetion effect and high absorptivity of carbon best degree of graphitization improve the nucleation of melted iron it is mainly applied to the carburetion of various electrode smelting cast steel and...

Prediction of Calcined Coke Bulk Density SpringerLink

The vibrated bulk density VBD is one of the most important calcined coke properti In the context of changing green coke quality a reliable forecast of the calcined coke VBD from small samples of green coke is required To a certain extent the VBD can be predicted from green coke properties such as the Hardgrove Grindability Index HGI...

DESIGN OPERATION FACTORS CAN UP COKER LIQUID YIELDS

Controlling VCM content of the coke is important to maximizing liquid yields-coke VCM translates to lost liquid product Current practice is to target fuel coke VCM contents of 810 wt PRESSURE...

The History and Future Challenges of Calcined Petroleum

Dec 20 2014 0183 32 Calcined petroleum coke is used for the production of carbon anodes in the Hall-Héroult aluminum smelting process due to a combination of low impurity levels ready availability and relatively low cost This article provides a review of the history and use of calcined petroleum coke for anode production and describes the different calcining technologies used by the industry...