Carbonization behavior of coal-tar pitch modified with lignin/silica hybrid and optical texture of resultant semi-cokes

Lin, Qilang; Tang, Haiyan; Li, Chuanhui; Wu, Liqian

doi:10.1016/j.jaap.2010.09.012

Cited by 13 publications

(3 citation statements)

References 31 publications

(38 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The inclusion of biomass leads to a diminution of the amount of coarse and medium mosaics. There is also a decrease in fine mosaics which is related to a modification of the coal plastic stage [45]. As a consequence, the optical anisotropy index changes from values in the range between 169-250 to 120-175 for the cokes from the briquettes with coal/BIOC/binder.…”

Section: Textural Composition Of the Cokes As Measured By Optical Microscopymentioning

confidence: 98%

Reactivity of biomass containing briquettes for metallurgical coke production

Florentino-Madiedo

Díaz-Faes

Barriocanal

2019

Fuel Processing Technology

View full text Add to dashboard Cite

Section: Textural Composition Of the Cokes As Measured By Optical Microscopymentioning

confidence: 98%

Reactivity of biomass containing briquettes for metallurgical coke production

Florentino-Madiedo

Díaz-Faes

Barriocanal

2019

Fuel Processing Technology

View full text Add to dashboard Cite

“…Physical separation can be used to separate components with different average molecular weights in CTP [5]. On the other hand, chemical modifications involve chemical reactions between CTP and polystyrene, rosin, lignin/silica hybrid, and so on [6][7][8][9][10][11][12]. Compared with physical separation, chemical modification has advantages in saving resources, reducing waste treatment, and simplifying the preparation process.…”

Section: Introductionmentioning

confidence: 99%

Effect of Different Catalysts on Properties of Coal Tar Pitch Modified by Cinnamaldehyde

Zhang

Tian

Song

et al. 2019

Journal of Spectroscopy

View full text Add to dashboard Cite

Cinnamaldehyde- (CMA-) modified coal tar pitches (CTPs) are prepared in the presence of acids. In this paper, the effect of boric acid and p-toluene sulfonic acid on the pyrolysis and graphitization process of CMA-modified CTP was studied. The pyrolysis process was studied by Fourier transform infrared spectroscopy, thermogravimetric analysis and derivative thermogravimetry, and polarized-light microscopy. In addition, the graphitization process was studied by X-ray diffraction and Raman spectroscopy. The results indicate the carbon yield of CMA-modified CTP with boric acid as catalyst (B7C10) is higher than that of CMA-modified CTP with p-toluene sulfonic acid as a catalyst (P7C10). In addition, under the same experimental condition (heated at 400°C and held for 1 h), the mesophase spheres of B7C10 are more regular than those of P7C10 and the largest diameter of the mesophase spheres can reach to 40 um. Further, after the graphitization process, the graphitization degree of B7C10 is higher than that of P7C10. So, it is more effective to modify CTP with boric acid as a catalyst.

show abstract

“…The application of coal tar pitch is limited with its low carbon yield. Therefore, people have done a lot of research about modification of coal tar pitch, the results show that the carbon yield of modified coal tar pitch can be greatly improved [4][5][6]. The rheological properties of coal tar pitch can provide theoretical basis for carbon materials production process parameters, the impregnating pitch selecting dipping temperature within the scope of the low viscosity is advantageous to the impregnating pitch smoothly go into the pores of carbon materials.…”

Section: Introductionmentioning

confidence: 99%

Study on the Variety of Rheological Properties and Thermal Analysis of Modified Coal Tar Pitch with 1,4-Benzenedimethanol

Shi

Dong

et al. 2014

KEM

View full text Add to dashboard Cite

Coal tar pitch (CTP) as carbon material was studied using 1,4-Benzenedimethanol (PXG) as modifier by p-toluene sulfonic acid (PTS) catalyst and the variety of rheological properties of modified coal tar pitch (MTP) was discussed. The apparent viscosity of CTP and MTP were measured using rotating coaxial-cylinder viscometer, and the relations between the apparent viscosity and temperature were studied. Thermal behaviors of CTP and MTP were analyzed with TG-DSC. The results showed that the viscosity of the MTP gradually decreased with the temperature rising and the viscous activation energy of the MTP is 72.92 kJ·mol-1, which was beneficial to the process for producing carbon materials and the carbon yield was greatly improved. Therefore, coal tar pitch modified with PXG was qualified to be an excellent carbon precursor.

show abstract

Carbonization behavior of coal-tar pitch modified with lignin/silica hybrid and optical texture of resultant semi-cokes

Cited by 13 publications

References 31 publications

Reactivity of biomass containing briquettes for metallurgical coke production

Reactivity of biomass containing briquettes for metallurgical coke production

Effect of Different Catalysts on Properties of Coal Tar Pitch Modified by Cinnamaldehyde

Study on the Variety of Rheological Properties and Thermal Analysis of Modified Coal Tar Pitch with 1,4-Benzenedimethanol

Contact Info

Product

Resources

About