Coal Coke Method

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Generation and characterization of coal-based needle

网页2022年9月12日  Thus, the use of coal liquefaction pitch and anthracene oil as raw materials to generate high-quality needle coke is a considerable method to realize the clean and

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Technology of Producing Petroleum Coking Additives to

网页(DG), lean caking coal (TS), and low-caking coal (SS) that are second to coking coals in quality and degrade the charge, which finally affects the coke quality.15,16 In general,

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Coal to Coke Conversion ScienceDirect

网页1989年1月1日  Coking is undoubtedly one of the oldest coal conversion processes and it developed with very little dependence on the understanding of the mechanism of coal to

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Models of coke quality prediction and the relationships to

网页2018年5月1日  Coal is a critical part of the ironmaking process, as either coke or as an injectant. In the form of coke, it provides physical support for the ferrous materials

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Preparation of Activated Coke by One-Step Activation

网页2021年10月28日  Coal and biomass are regularly used in the preparation of activated coke. In this , coal and biomass (poplar bark) were co-pyrolyzed, and activated coke was

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Ultimate analysis of coals and cokes using instrumental

网页1983年9月1日  The precision was determined for samples of coal, char and coke, and although for coal that for the automatic method was slightly less than that of the standard

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Methods of coke quality prediction: A review ScienceDirect

网页2018年5月1日  The prediction of coke quality from global coal basins is critical to coke producers and steel makers for both the selection and effective utilisation of coals. This

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Guide to ASTM Test Methods for the Analysis of Coal and

网页This guide includes brief descriptions of all 56 ASTM test methods that cover the physical, chemical, and spectroscopic analytical techniques to qualitatively and quantitatively

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Generation and characterization of coal-based needle

网页2022年9月12日  In this study, we studied the feasibility of preparing high-quality needle coke from coal liquefaction pitch. Nine types of blending pitch (coal liquefaction pitch and anthracene oil mixed with different ratios) were used as raw materials to generate needle coke via the co-carbonization method. Optical microscopy, X-ray diffraction, Raman

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Variability in Metallurgical Coke Reactivity Index (CRI) and

网页2022年1月6日  The coke reactivity index and coke strength after reaction are critical parameters for the efficient operation of a blast furnace. Therefore, maintaining desired qualities of the produced coke as p Variability in Metallurgical Coke Reactivity Index (CRI) and Coke Strength after Reaction (CSR): An Experimental Study ACS Omega ACS

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Coal to Coke Conversion ScienceDirect

网页1989年1月1日  Summary This Chapter is principally concerned with the major topics associated with the conversion of coal to coke. Only a limited range of coal rank i.e. the bituminous coals, produce acceptable metallurgical cokes. The history of coke making is briefly reviewed followed by description of a coke battery and the by-products of coking.

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Technology of Producing Petroleum Coking Additives to

网页(DG), lean caking coal (TS), and low-caking coal (SS) that are second to coking coals in quality and degrade the charge, which finally affects the coke quality.15,16 In general, the Gray−King coke method is used for the determination of the caking power.22 This indicator character-izes the caking power of coal by the type and characteristics of

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ISO 17247:2020(en), Coal and coke ? Ultimate analysis

网页This document was prepared by Technical Committee ISO/TC 27, Coal and coke, Subcommittee SC 5, Methods of analysis. This third edition cancels and replaces the second edition ( ISO 17247:2013 ), of which it constitutes a minor revision. This edition includes the following changes compared to the previous edition:

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ISO 18283:2022 Coal and coke — Manual sampling

网页This document provides the basic terms used in manual sampling of coal and coke and describes the general principles of sampling. It provides procedures and requirements for establishing a manual sampling scheme, methods of manual sampling, sampling equipment, handling and storage of samples, sample preparation and a sampling report, and applies

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Preparation of Activated Coke by One-Step Activation

网页2021年10月28日  Abstract. Coal and biomass are regularly used in the preparation of activated coke. In this , coal and biomass (poplar bark) were co-pyrolyzed, and activated coke was prepared by physical “one-step activation,” followed by ammonization and additional activation by potassium carbonate (K2CO3). The activation temperature

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Models of coke quality prediction and the relationships to

网页2018年5月1日  1.4. Method of review. This review focusses on regression based coke quality prediction models for coke strength after reaction (CSR) and coke reactivity index (CRI). These parameters are selected due to their prevalence within recent literature and their importance for coal marketing.

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Guide to ASTM Test Methods for the Analysis of Coal and

网页This guide includes brief descriptions of all 56 ASTM test methods that cover the physical, chemical, and spectroscopic analytical techniques to qualitatively and quantitatively identify over 40 chemical and physical properties of coal, coke, their products, and by-products. ASTM Committee D05 leads the worldwide efforts to standardize the test

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Methods of coke quality prediction: A review ScienceDirect

网页2018年5月1日  As previously stated, this review focusses on the statistical and data mining based methods for prediction of coal or coke properties presented within the collected s. Predominantly, this work focuses on the coke quality measures of CSR and CRI (defined in the following section), due to their prevalence in the literature.

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Generation and characterization of coal-based needle

网页2022年9月12日  In this study, we studied the feasibility of preparing high-quality needle coke from coal liquefaction pitch. Nine types of blending pitch (coal liquefaction pitch and anthracene oil mixed with different ratios) were used as raw materials to generate needle coke via the co-carbonization method. Optical microscopy, X-ray diffraction, Raman

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Technology of Producing Petroleum Coking Additives to

网页To produce the high-quality coal coke, the charge shouldmeet the following requirements of main indicators: the ashcontent should not exceed 8−10%, the volatile-matter yield volatile-matterplastometric FSI

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ISO 334:2020(en), Coal and coke ? Determination of total

网页The objective of this document is to provide a reference method for determining the total sulfur content in coal and coke with Eschka method. Instrumental methods for a more rapid determination of total sulfur are now available. If such a method is to be used, it is important to demonstrate that the method is free from bias, when compared to

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ISO 17247:2020(en), Coal and coke ? Ultimate analysis

网页This document was prepared by Technical Committee ISO/TC 27, Coal and coke, Subcommittee SC 5, Methods of analysis. This third edition cancels and replaces the second edition ( ISO 17247:2013 ), of which it constitutes a minor revision. This edition includes the following changes compared to the previous edition:

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Preparation of Activated Coke by One-Step Activation

网页2021年10月28日  Abstract. Coal and biomass are regularly used in the preparation of activated coke. In this , coal and biomass (poplar bark) were co-pyrolyzed, and activated coke was prepared by physical “one-step activation,” followed by ammonization and additional activation by potassium carbonate (K2CO3). The activation temperature

Contact

Variability in Metallurgical Coke Reactivity Index (CRI) and

网页2022年1月6日  The coke reactivity index and coke strength after reaction are critical parameters for the efficient operation of a blast furnace. Therefore, maintaining desired qualities of the produced coke as p Variability in Metallurgical Coke Reactivity Index (CRI) and Coke Strength after Reaction (CSR): An Experimental Study ACS Omega ACS

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ISO 18283:2022 Coal and coke — Manual sampling

网页This document provides the basic terms used in manual sampling of coal and coke and describes the general principles of sampling. It provides procedures and requirements for establishing a manual sampling scheme, methods of manual sampling, sampling equipment, handling and storage of samples, sample preparation and a sampling report, and applies

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Standard Test Method for Sulfur in the Analysis Sample

网页2021年10月2日  1.1 This test method covers the determination of sulfur insamples of coal or coke by high-temperature tube furnacecombustion. 1.1.1 Two analysis methods are described. 1.2 When automated equipment is used, either method canbe classified as an instrumental method. 1.3 The values stated in SI units are to be regarded asstandard.

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Guide to ASTM Test Methods for the Analysis of Coal and

网页This guide includes brief descriptions of all 56 ASTM test methods that cover the physical, chemical, and spectroscopic analytical techniques to qualitatively and quantitatively identify over 40 chemical and physical properties of coal, coke, their products, and by-products. ASTM Committee D05 leads the worldwide efforts to standardize the test

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Standard Test Method for Gross Calorific Value of Coal

网页2019年8月8日  1.1 This test method pertains to the determination of the gross calorific value of coal and coke by either an isoperibol or adiabatic combustion calorimeter. 1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents;

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