effect of vcm and hgi on green coke properties

Technical Data Sheet: Corrosion and Its Effects

Technical Data Sheet Online Only 00816-0100-3045, Rev CA May 2003 Corrosion and Its Effects INTRODUCTION The potential for damage due to corrosion is an important concern in the des ign of instrumentation for


Process for the preparation of super needle coke - Nippon ...

Then, the green coke is recovered. The yield of the green coke based on the original starting material and the VCM contents amount to 21.0 percent and 8.5 percent, respectively. The green coke is then calcined as conventionally at 1400° C. for 1.0 hour and crushed and pulverized.


US6039791A - Fused calcined petroleum coke and method of ...

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 ...


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Medicinal Plants List - Medicinal Plants of India. Database on Medicinal Plants Used in Ayurveda & Siddha Volume 5 by Central Council for Research in Ayurveda and Siddha and a great selection of similar Used, New and Collectible Books available now at AbeBooks.com.


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


Dr. Sateesh Daggupati - AVP and Group Lead, Refining R&D ...

• Advanced trouble shooting activities for the reliability improvements in the Delayed Coker Unit by developing various non-linear multi-variable regression models for coke properties such as HGI, coke fines, VCM, sulfur content and bulk density etc. and various process parameters.


Chlorine | Cl2 - PubChem

Chlorine is a commonly used cleaner and disinfectant. Chlorine is a potent irritant to the eyes, the upper respiratory tract, and lungs. Chronic (long-term) exposure to chlorine gas in workers has resulted in respiratory effects, including eye and throat irritation and airflow obstruction. No information is available on the carcinogenic effects of chlorine in humans from inhalation ...


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Study on physical-chemical properties of petroleum cokes

Coke properties evaluated are: moisture, volatile carbon matter, ash and metals (Mo, Ni, Cu, Zn). The results of investigation showed that all coke contains the highest content of nickel (625 to ...


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


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 ...


HI High-Impact PVC-U Pipes and Fittings

VCM 0.0015 mg/L↓ Immersion Test Distilled Water ±0.20mg/cm2 10% Sodium Chloride Solution 30% Sulfuric Acid Solution 40% Sodium Hydroxide Solution 40% Nitric Acid Solution HI High Impact PVC-U Fitting (Water Supply) Chemical and Physical Properties of HI high impact 2 PVC-U Pipe and Fitting


Corrosive Effects of Chlorides on Metals

Corrosive Effects of Chlorides on Metals Fong-Yuan Ma Department of Marine Engineering, NTOU Republic of China (Taiwan) 1. Introduction 1.1 Introduce of pitting corrosion Alloying metallic elements added during the making of the steel increase corrosion resistance, hardness, or strength. The metals used most commonly as alloying elements in


coal utilization | Volatile Matter & Chemistry | Britannica

Coal utilization, combustion of coal or its conversion into useful solid, gaseous, and liquid products. By far the most important use of coal is in combustion, mainly to provide heat to the boilers of electric power plants. Metallurgical coke is the major product of coal conversion. In addition, techniques for gasifying and liquefying coal into fuels or into feedstocks for the chemical ...


DC-SIM User Guide.pdf | Microsoft Excel | Installation ...

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Vinyl Handbook - Occidental Petroleum

Vinyl Resin Property Effects on Rigid & Flexible Applications OxyVinyls suspension grade resins are used in a wide range of rigid and flexible applications. The physical properties described below determine many of the important bulk handling, processing, health/ safety and end use characteristics a vinyl customer requires. Inherent Viscosity (IV)


US4666585A - Disposal of petroleum sludge - Google Patents

US4666585A US06/764,451 US76445185A US4666585A US 4666585 A US4666585 A US 4666585A US 76445185 A US76445185 A US 76445185A US 4666585 A US4666585 A US 4666585A Authority US United States Prior art keywords coke drum sludge petroleum coking Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.


APCAC XVII TECHNICAL CONFERENCE

Oct 20, 2000· 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°C to remove the volatile part and is usually used in the ...


New Technologies in Ethylene Cracking Furnace Design

Oct 31, 2017· 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


Prediction of Calcined Coke Bulk Density | SpringerLink

· The vibrated bulk density (VBD) is one of the most important calcined coke properties. 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 ...


Calculation Xls Screw Conveyor Crusher Quarry

Valve Seat Grinder Stones Kwik Way Design Calculation For. mining equipments and crusher plant Cvhrketelnl grinder rock slabs conveyor belt jointer effect of vcm and hgi on green coke properties electric motor for crusher ultimate compressive strength of concrete Coal Feeder Flow Calculation heat balance in ballmill sadeeqpny saudi arab crusher plant picture why crush the iron ore bearing rock ...


ClaudioNevesBorgesCorr16.pdf | Craqueamento (Química ...

The delayed coke unit is a thermal conversion process, ... naphtha and gasoil) and green coke. A small increase in the net yield in the delayed coke unit results in considerable economic benefits, particularly in the liquid distillates. ... O HGI do coque verde do tipo shot-coke varia de 28 a 50, ...


Delayed Coking Operational Optimization

– High fouling tendency or high VCM coke operations – Sudden shutdown of burners and relighting ... – Tendency to reduce Coke Drum life 28 Effect of Coking Cycle Time Rules of Thumb ... HGI – Fuel / anode grade 31 Coke Morphology Delayed Coking Operational Optimization • Needle time Delayed Coking Operational Optimization.


US5007987A - Method for producing needle coke - Google Patents

US5007987A US07/274,622 US27462288A US5007987A US 5007987 A US5007987 A US 5007987A US 27462288 A US27462288 A US 27462288A US 5007987 A US5007987 A US 5007987A Authority US United States Prior art keywords needle coke green needle coke green heated Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.


Impact of Feed Properties and Operating Parameters on ...

Petroleum Coke General Properties: Volatile Combustible Matter (VCM) • VCM is unconverted pitch – Target 12% Max, fuel coke 9% to 10% – 14% VCM is very high; Coke will be soft • Increases green coke hydrogen content • Rules of thumb for control in fuel coke – Increase heater outlet 5-7 °F for 1% decrease in VCM


US7347052B2 - Methods and systems for processing ...

Methods and systems for processing uncalcined coke are provided. The methods and systems provide for combusting effluent gas from a refinery unit and a stream of uncalcined coke. The refinery unit effluent gas may be the offgas from a rotary kiln calciner. The refinery unit effluent gas and the uncalcined coke stream are combusted in an integrated gas/solids incinerator.


Size reduction and specification of granular petrol coke ...

coke grain strength in the entire size distribution. On the other hand, established measuring methods for calcined coke, HGI (ASTM D5003-95) and grain stability (ISO 10142), determine only the mechanical strength in a specific size range, +0.6-1.18 mm and +4-8 mm, respectively. In other words, both methods give limited information


Mercury-bearing wastes: Sources, policies and treatment ...

Sep 15, 2020· Its properties and chemical behavior depend on the oxidation state, with Hg 0 and Hg 2+ being the most prevalent. Hg 0 is of particular importance because of its relatively low water-solubility as well as its high volatility and mobility in the atmosphere (Gonzalez-Raymat et al., 2017). Methylation-demethylation as well as oxidation-reduction ...


STUDY ON PHYSICAL-CHEMICAL PROPERTIES OF …

process streams and residues. 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, volatile carbon matter, ash and metals (Mo, Ni, Cu, Zn). The results of investigation showed that all coke contains the


Influence of Coke Calcining Level on Anode Real Density ...

Pilot anode testing Anode baking Coke L C Anode L C Introduction To control the calcination level of calcined petroleum coke (CPC) during production, real density (RD) and crystallite size (L C) are key measures for coke calciners [1]. For rotary kiln calcined coke, calcination levels typically range from an RD of 2.04 to 2.07 g/cm3 and L C of ...


Petroleum coke - Wikipedia

Petroleum coke, abbreviated 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 takes place in units ...


Siddharth Saxena - Head Indian Operations - Founder, Green ...

In the financial year 2014-15, after handling 10 coal & coke Vessels in India, we raised our… Green Energy Resources (GER) by its name, supplies clean coal and other Minerals to its end users on time. GER presently has involved in supplying clean Indian coal to end users.


COAL CHARACTERISTICS

CCTR Indiana Center for Coal Technology Research 6 COAL RANK Anthracite coal is a dense, hard rock with a jet- black color & metallic luster. It contains between 86% and 98% carbon by weight, & it burns slowly, with a pale blue flame & very little smoke


Two examples (1 cause-and-effect; 1 [almost certainly ...

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 B.F. Goodrich plant, Louisville, Kentucky and liver cancer (angiosarcoma of the liver) 2. …