coke calcination in switzerland

LUKOIL - Coke

PJSC LUKOIL manufactures coke at the following refineries: OOO LUKOIL-Volgogradneftepererabotka, ООО LUKOIL-Permnefteorgsintez and S.C. PETROTEL-LUKOIL S.A. (Romania).The products of LUKOIL-Volgogradneftepererabotka are represented by electrode calcined coke, grade KEP-2, and electrode aggregate coke for the aluminum industry, grade KZ.LUKOIL …

US4160814A - Thermal desulfurization and calcination of …

238000001354 calcination Methods 0.000 title claims abstract description 23 230000003009 desulfurizing Effects 0.000 title claims abstract description 23 239000002006 petroleum coke Substances 0.000 title claims description 25 238000006477 Methods 0.000

Calcinations of Petroleum coke

Keywords—Calcination, green coke, petroleum coke, rotary kiln I. INTRODUCTION RUDE oil is a complex mixture of hydrocarbons, sometimes characterized as "a useless mixture of useful products." Petroleum coke is, essentially, the "bottom of the wt% of

Coke calcination levels and aluminum anode quality …

1996/10/1· Abstract. The calcination temperature of petroleum coke for aluminum anode appliions has been generally increased during the past 10 years. This change by coke suppliers has often been done at the request of anode manufacturers (smelters) who seek special quality requirements for the calcined coke. Such an increase in calcining temperatures

Calcination - Wikipedia

The kiln system provides the gradual heating and extended retention time (normally ~30 minutes) needed to effect the conversion on large particles. Conversely, a gas suspension calciner (GSC) is best suited for spodumene concentrate that has a PSD less than 1mm, which is common for concentrates produced via the floatation process.

Lead smelting - Wikipedia

Lead is usually smelted in a blast furnace, using the lead sinter produced in the sintering process and coke to provide the heat source. As melting occurs, several layers form in the furnace. A coination of molten lead and slag sinks to the bottom of the furnace, with a layer of the lightest elements referred to as speiss , including arsenic and antimony floating to the top of the molten material.

Development and Testing of the Advanced CHP System …

2013/8/15· However, coke calcination in an electrothermal fluidized bed (EFB) opens up a nuer of potential benefits for the production enhancement, while reducing the capital and operating costs. The increased usage of heavy crude oil in recent years has resulted in higher sulfur content in green coke produced by oil refinery process, which requires a significant increase in the calcinations

Influence of Coke Calcining Level on Anode Real Density, LC and …

kiln calcined coke, calcination levels typically range from an RD of 2.04 to 2.07 g/cm3 and L C of 24 to 29 Å. Due to the different technology of a shaft calciner, the residence times are much longer, and it is not uncommon to see shaft cal-cined product with a3 C

LUKOIL - Coke

PJSC LUKOIL manufactures coke at the following refineries: OOO LUKOIL-Volgogradneftepererabotka, ООО LUKOIL-Permnefteorgsintez and S.C. PETROTEL-LUKOIL S.A. (Romania).The products of LUKOIL-Volgogradneftepererabotka are represented by electrode calcined coke, grade KEP-2, and electrode aggregate coke for the aluminum industry, grade KZ.LUKOIL …

Calcined Petroleum Coke Manufacturer Supplier in …

The Calcination (of Raw Coke) involves controlled heating of the Raw Coke to the temperature in the range of 1250 C to 1350 C. This process drives off moisture, hydrocarbons and other volatile matter present in the Raw Coke is burnt off.

India Carbon Limited

The Calcination (of Raw Coke) involves controlled heating of the Raw Coke to the temperature in the range of 1250 C to 1350 C. This process drives off moisture, hydrocarbons and other volatile matter present in the Raw Coke is burnt off - thereby densified the particles and changes the electrical properties from insulating to conducting.

WTL | Westport Trading Europe Limited

The method for producing petroleum needle coke by delayed coking, characterized by premixing heavy gas oil of alytic cracking with an extract of furfural treatment from oil production in an amount of 20-30% of the mixture. Light and heavy coking gas oils are

Calcination - Wikipedia

Calcination refers to heating (thermal treatment of) a solid chemical compound (e.g. carbonate ores) to high temperatures in absence or limited supply air or oxygen (O 2), generally for the purpose of removing impurities or volatile substances and/or to incur thermal decomposition.

Magnesium Production by the Pidgeon Process Involving Dolomite Calcination and MgO Silicothermic Reduction: Thermodynamic and Environmental Analyses

eq 7 and assuming solar process heat, 49.58 MJ of coke (or Figure 1. Equilibrium composition vs temperature for the calcination of CaMg(CO3)2 at 1 bar. MgO + Si f Mg(g) + SiO(g) (4) 2SiO(g) + 2CaO f Ca2SiO4(s) + Si (5) CaMg(CO3)2 f CaO + MgO + 2CO2 (6)

WTL | Westport Trading Europe Limited

The method for producing petroleum needle coke by delayed coking, characterized by premixing heavy gas oil of alytic cracking with an extract of furfural treatment from oil production in an amount of 20-30% of the mixture. Light and heavy coking gas oils are

Modeling and Simulation of Petroleum Coke Calcination …

2015/10/13· Calcination of petroleum coke is the first process of prebaked anode preparation.1,2 Green petroleum coke needs be calcined to remove moisture and volatiles, and to obtain an appropriate crystalline structure.3 The class of calcined petroleum coke directly

Part VII - Papers - Structural Changes in Petroleum Coke …

Flash calcination was carried out by dropping 100 g of the green coke into the graphite dish preheated to the calcination temperature. Because of the small heat capacity of the furnace the coke was introduced in 20-g portions at a time.

Effects of Coke Calcination Level on Pore Structure in …

Effects of coke calcination levels on pore structure of carbon anodes have been investigated. Bench anodes were prepared by 3 types of cokes with 4 calcination temperatures (800°C, 900°C, 1000°C and 1100°C). The cokes and anodes were characterized using hydrostatic method, air permeability determination, mercury porosimetry, image analysis and confocal microscopy (CSLM). The cokes with

Introduce oxygen vacancies into CeO2 alyst for …

2020/7/15· CeO 2, RCeO 2 and ARCeO 2 alysts were obtained by the modifiion of raw CeO 2, including directly calcination, redox calcination, redox calcination with steam treatment, respectively.As shown in Fig. 1a–c, TEM images of the three samples exhibit the ordered texture with macropores (120 nm) and uniformly sized walls interconnected with small windows.

A review of Coke and Anode Desulfurization | Springer …

During calcination, petroleum coke desulfurizes depending on the sulfur content and final temperature. This has a negative effect on coke properties such as real density, porosity, and reactivity. Additional sulfur loss occurs during anode baking and this can further deteriorate anode properties such as …

Modeling and Simulation of Petroleum Coke …

The aim of this work was to establish a mathematical model for the analysis of calcining process of petroleum coke in a 24-pot calciner via computational fluid dynamics (CFD) numerical simulation method. 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

Petroleum coke calcining Unit - КазМунайГаз

During calcination there is a complete removal of moisture and volatile matter, seeming and real density increases, electrical conductivity and mechanical density increases . Coke calcining is carried out in the drum rotating furnace with length 59,5 m long, …

LUKOIL - Coke

PJSC LUKOIL manufactures coke at the following refineries: OOO LUKOIL-Volgogradneftepererabotka, ООО LUKOIL-Permnefteorgsintez and S.C. PETROTEL-LUKOIL S.A. (Romania).The products of LUKOIL-Volgogradneftepererabotka are represented by electrode calcined coke, grade KEP-2, and electrode aggregate coke for the aluminum industry, grade KZ.LUKOIL …

Green Coke Calcination company ( GCC co) – Pegi …

Green Coke calcination company ( GCC co) was established on 2001 in Iran, in view of the growing demands of the Aluminum and steel industry, both in Iran and the Middle East. GCC co with a manufacture capacity of 240,000 MT of Calcined Petroleum Coke (CPC) is the first and only plant in Iran and the second largest in Asia, using the latest

Lead smelting - Wikipedia

Lead is usually smelted in a blast furnace, using the lead sinter produced in the sintering process and coke to provide the heat source. As melting occurs, several layers form in the furnace. A coination of molten lead and slag sinks to the bottom of the furnace, with a layer of the lightest elements referred to as speiss , including arsenic and antimony floating to the top of the molten material.

Calcined Petroleum Coke - Oxbow

Calcined petroleum coke is a critical ingredient in the production of aluminum. It is created by placing high quality raw "green" petroleum coke into rotary kilns, where it is heated to temperatures between 1200 to 1350 ˚C (2192 to 2460 ˚F). The high temperatures

Calcined Petroleum Coke - Oxbow

Calcined petroleum coke is a critical ingredient in the production of aluminum. It is created by placing high quality raw "green" petroleum coke into rotary kilns, where it is heated to temperatures between 1200 to 1350 ˚C (2192 to 2460 ˚F). The high temperatures

Comparative study of the carbonization process and …

2021/6/1· During the preparation of needle coke, the aromatic rich compositions go through the following stages: carbonaceous precursor, mesophase pitch, green needle coke and calcined needle coke. In 1965, Taylor and Brooks [ 4 ] first proposed that a kind of intermediate phase with an anisotropic structure would be formed during the cracking and polycondensation of coal tar pitches and petroleum pitches.

LUKOIL - Coke

PJSC LUKOIL manufactures coke at the following refineries: OOO LUKOIL-Volgogradneftepererabotka, ООО LUKOIL-Permnefteorgsintez and S.C. PETROTEL-LUKOIL S.A. (Romania).The products of LUKOIL-Volgogradneftepererabotka are represented by electrode calcined coke, grade KEP-2, and electrode aggregate coke for the aluminum industry, grade KZ.LUKOIL …

India Carbon Limited

The Calcination (of Raw Coke) involves controlled heating of the Raw Coke to the temperature in the range of 1250 C to 1350 C. This process drives off moisture, hydrocarbons and other volatile matter present in the Raw Coke is burnt off - thereby densified the particles and changes the electrical properties from insulating to conducting.