calcined petroleum coke making using method

Production of carbon anodes by high-temperature mould pressing

2000s, FENG et al [13] used the same method to produce carbon anodes. The density of the carbon anodes which were composed of calcined coke, green petroleum coke and coal pitch was up to 1.71 g/cm3, the specific

Carbon additive/Recarburizer_RUIHANG …

Graphitized petroleum coke is mainly used as the recarburizer during the steel making. The product is characterized by no residual, high availability, convenient operation, reduced production cost, extremely low content of phosphor and sulfur and stable performance. It can also be used in …

Petroleum Coke - an overview | ScienceDirect Topics

Most of the calcining of petroleum coke is carried out in rotary kilns. In this chapter, we provide some of the characteristics of petroleum coke calcination process in the rotary kiln and use this as a design case study for sizing a rotary kiln for the said appliion. View chapter Purchase book

Use of Thermally Desulfurized Shaft CPC for Anode Production - …

and RD of calcined petroleum coke (CPC) resulting from TDS has previously been attributed to an increase in micro-porosity [4]. The best analytical method to charac-terize this is high pressure mercury (Hg) intrusion porosimetry. The pore size distribution curves

Modeling and Simulation of Petroleum Coke …

The model can be divided into two main parts (1) heterogeneous reacting flow of petroleum coke calcination in the pot was simulated using a two-fluid model approach where the gas and solid phase

Method for calcining delayed coke - Conoco, Inc.

Delayed petroleum coke is calcined in an internally-fired vertical shaft kiln. A downwardly-moving bed of green coke is preheated in the top of the kiln by rising coustion gases, then heat soaked at calcining temperatures in the intermediate section of the kiln, and finally cooled by recycle gas moving upwardly from the lower part of the kiln.

US3664420A - Hydraulic fracturing using petroleum coke …

The method involves injecting a fluid containing suspended particles of petroleum coke into a fracture surrounding a wellbore, displacing the coke-laden fluid in the fracture until the coke

US4251323A - Method for calcining delayed coke - …

Partially cooled calcined coke is recovered from the bottom of the kiln. Delayed petroleum coke is calcined in an internally-fired vertical shaft kiln. A downwardly-moving bed of green coke is

Petroleum Coke - an overview | ScienceDirect Topics

Prebake anodes are manufactured by compressing a mixture of petroleum coke aggregates and coal tar pitch binder into blocks typically 40–60 cm wide by 120–150 cm long and 50–60 cm high. Petroleum coke is used because of its high purity.

(PDF) Digital image analysis of optical texture and …

method was developed to extract the boundaries of optical domains and pores in petroleum cokes. For semi-cokes, only the boundaries of optical domains were extracted

Modeling and simulation of petroleum coke …

A one-dimensional mathematical model was developed for the simulation of petroleum coke calcination in rotary kilns. The model is comprised of 14 ordinary differential equations derived from mass

Enpro Enterprises

It creates nuclei in the liquid metal and avoids carbide formation and hence improves machinability. We get Silicon recovery of 50 to 60% and Carbon recovery of 15 to 20% in various grades. It is most cost effective method to

Technical Support Document for the Titanium Dioxide Production Sector: Proposed …

the calcined petroleum coke. The IPCC Tier 1 method was used to determine process-related CO 2 emissions from the facilities presented in Table 1, because production capacity was the only facility-level data available (see

Modeling and Simulation of Petroleum Coke …

The model can be divided into two main parts (1) heterogeneous reacting flow of petroleum coke calcination in the pot was simulated using a two-fluid model approach where the gas and solid phase

US4251323A - Method for calcining delayed coke - …

Partially cooled calcined coke is recovered from the bottom of the kiln. Delayed petroleum coke is calcined in an internally-fired vertical shaft kiln. A downwardly-moving bed of green coke is

The History and Future Challenges of Calcined Petroleum Coke Production and …

2014/12/20· The History and Future Challenges of Calcined Petroleum Coke Production and Use in Aluminum Smelting LES EDWARDS1,2 1.—Rain CII Carbon, Covington, LA 70433, USA. 2.—e-mail: [email protected] Calcined petroleum coke is used for the production of

Prediction of contact angle of coke-pitch system from raw material properties using …

The wettability of calcined coke by molten pitch drop can be characterized with the contact angle formed between the molten pitch drop and a coke bed. The contact angles were measured using the sessile-drop method. In this method, a drop of liquid pitch is

The History and Future Challenges of Calcined Petroleum Coke …

2014/12/20· The History and Future Challenges of Calcined Petroleum Coke Production and Use in Aluminum Smelting LES EDWARDS1,2 1.—Rain CII Carbon, Covington, LA 70433, USA. 2.—e-mail: [email protected] Calcined petroleum coke is used for the production of

Utilization of Biocoke as Raw Material for Carbon Anode Production

Abstract: Calcined biocokeswere successfully produced from wood precursors through pyrolysis high at temperature (1200 C). The resultant material mimics the microstructure of calcined petroleum coke and presents high carbon content, making them

petroleum coke

2016/9/29· The blend of petroleum coke and coal tar pitch, with some coke fines, is mixed, milled and transported to a charging hopper. Charging is usually carried out through a hole in the top of the oven. The leveling is carried out manually.

Utilization of Biocoke as a Raw Material for Carbon …

2018/7/20· Calcined biocokes were successfully produced from wood precursors through pyrolysis at high temperature (1200 °C). The resultant material mimics the microstructure of calcined petroleum coke and presents high carbon content, making them a potential raw material for carbon anodes used for the production of aluminum.

US Patent for Pelletization and calcination of green coke …

2011/2/23· A method of calcining green petroleum coke which includes separating the green coke having a particle size of between 0.1 mm and 50 mm into undersized and oversized fractions, pelletizing the undersized fraction with a binder to form pelletized coke, coining the oversized fraction and the pelletized coke to form a feed mixture, and calcining the

Petroleum Coke - an overview | ScienceDirect Topics

1 Introduction. Petroleum coke (“petcoke”) is regularly produced as a by-product of crude oil refining, especially from heavy crudes commonly produced in Canada. While some forms of petcoke are useful for steel making or other speciality purposes, it is often stockpiled in large quantities as a waste product.

Influence of coke structure on coke quality using …

2018/11/22· The image analysis method shows total area, length, perimeter, roundness, pore-wall thickness and porosity (vol%) of each sample. Porosity values of coke samples varied from 45.5 to 52.9% with standard deviation between 5.8 and 9.9 (Table 5) was observed in image analysis method.

INVESTIGATION OF COUSTION AND THERMAL-FLOW INSIDE A PETROLEUM COKE …

which is coming from the discharge end loed at calcined coke zone. Tertiary air injections at calcining zone provide a coustion boost to utilize the volatiles coming off the petcoke and generate the heat required for the calcining process. Green Coke Feed

Carbon for Steel Making - SlideShare

2014/6/24· Calcined Petroleum Coke ( CPC ) – There are 2 methods for CPC Production Method One Byproduct of the oil refining process. Heavy Crude Oil (bottoms) are put into a “Delayed Coking Unit” – DCU, Coker – in order to “drive” off the lighter fractions (jet fuel, gasoline, kerosene) contained in the Heavy Crude Oil.

(PDF) GREY RELATION ANALYSIS METHODOLOGY …

The first step of the optimization procedure using Taguchi-Grey method is the normalization of S/N ratio. The formula for normalizing the output characteristic with "larger the better" as below

US4251323A - Method for calcining delayed coke - …

Delayed petroleum coke is calcined in an internally-fired vertical shaft kiln. A downwardly-moving bed of green coke is preheated in the top of the kiln by rising coustion gases, then heat soaked