Use of asphalts for formcoke briquettes

Paul, Steven A; Hull, Ashley S.; Plancher, H; Agarwal, Pradeep K.

doi:10.1016/s0378-3820(02)00027-9

Cited by 25 publications

(12 citation statements)

References 19 publications

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“…This process, called hardening or curing, results in solidification. There is a linear relationship between curing time and mechanical strength (Paul, Hull, Plancher, & Agarwal, ). Increasing both the residence time and the curing temperature has a beneficial effect on the mechanical strength of briquettes (Blesa et al., ; Muazu & Stegemann, ).…”

Section: Pelletizing Of Mixtures Of Organic Materialsmentioning

confidence: 99%

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A preliminary experimental feasibility case study of energy upgrade of pellets of lignite and plastic waste mixtures

Lasithiotakis

Zoumboulakis

Soulis

et al. 2019

Environmental Quality Mgmt

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The calorific value enhancement of lignite by briquetting with novolac resin and plastic wastes is discussed in this work. Mixtures of several types of lignite with novolac as binder, with or without polypropylene, were manufactured in the form of pellets by curing. Pellets were pyrolyzed at 300 • C and 500 • C, and weight losses were determined. Chemical transformations during curing were studied by Fourier-transform infrared spectroscopy, and the corresponding changes in the microstructure of the pellets were investigated by optical microscopy. Specimens of cured pellets were tested for their impact resistance index (IRI) and water resistance index (WRI).The incorporation of polypropylene in the pellets leads to an increase of IRI and a decrease of WRI. The calorific value was measured for both cured and pyrolyzed pellets. All pellets exhibit increased lower calorific value compared with raw lignite, indicating an upgrade of their energy content. K E Y W O R D Scuring, Fourier-transform infrared spectroscopy (FTIR), lignite, novolac, pellets, pyrolysis

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Section: Pelletizing Of Mixtures Of Organic Materialsmentioning

confidence: 99%

“…Various materials have been researched in the manufacturing of briquettes. Industry and refinery wastes were used as parent materials or binders (Paul et al., ; Yang, Holmberg, & Björkman, ; Zarringhalam‐Moghaddam, Gholipour‐Zanjani, Dorosti, & Vaez, ). Blesa et al.…”

Section: Pelletizing Of Mixtures Of Organic Materialsmentioning

confidence: 99%

A preliminary experimental feasibility case study of energy upgrade of pellets of lignite and plastic waste mixtures

Lasithiotakis

Zoumboulakis

Soulis

et al. 2019

Environmental Quality Mgmt

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“…Additions of coal and petroleum origin can be used for co-carbonisation with coal to improve the properties of coke [1][2][3][4]. Studies into the use of these additives are mainly performed in two directions: for the production of formed coke [5][6][7] or the improvement of the plastic properties of coals in the process of carbonisation [8,9].…”

Section: Introductionmentioning

confidence: 99%

“…To produce briquettes coal tar [1,7], its heavier fractions [3,4], lignite char [5], petroleum pitch [4] and asphalt [3] may be used. Researchers underline the importance of porosity of the tar added that affects the porosity of briquettes [10]; no less important is its fluidity and ability to penetrate into pores [3,7]; the interaction of complex blends of coal and pitch is also of a great significance [4].…”

Section: Introductionmentioning

confidence: 99%

“…Researchers underline the importance of porosity of the tar added that affects the porosity of briquettes [10]; no less important is its fluidity and ability to penetrate into pores [3,7]; the interaction of complex blends of coal and pitch is also of a great significance [4]. While the content of a binder in formed coke can reach 20% [3,5] its optimal level for the strength of final briquettes is 12-15% [5,6].…”

Section: Introductionmentioning

confidence: 99%

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Influence of coal tar–water emulsion on carbonisation of caking coals

Tramer

Zubkova

Prezhdo

et al. 2007

Journal of Analytical and Applied Pyrolysis

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Particle Size Enlargement

Darcovich

2008

Kirk-Othmer Encyclopedia of Chemical Technology

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Size enlargement concerns those processes that bring together fine powder particles into larger masses to improve the properties of the powders. Many diverse industries benefit from size enlargement processes. Examples discussed herein include fertilizer granulation, iron ore pelletization, tablet feeds for pharmaceuticals, instant food products, and the processing of mineral and chemical products. This article primarily considers those processes in which the creation of coarse granular material from fines is the objective. The characteristics of individual agglomerates are important only in their effect on the properties of the bulk granular product. Following an initial discussion of particle‐bonding mechanisms and the theory and measurement of agglomerate strength, size enlargement processes and equipment, including principal design parameters, are described. These processes are considered on the basis of the principal mechanism used to bring the particles together into agglomerates. The categories used are agglomeration by tumbling and other agitation methods, pressure compaction and extrusion methods, heat reaction, fusion, and drying methods, and agglomeration from liquid suspensions by competitive wetting.

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Use of asphalts for formcoke briquettes

Cited by 25 publications

References 19 publications

A preliminary experimental feasibility case study of energy upgrade of pellets of lignite and plastic waste mixtures

A preliminary experimental feasibility case study of energy upgrade of pellets of lignite and plastic waste mixtures

Influence of coal tar–water emulsion on carbonisation of caking coals

Particle Size Enlargement

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