Coal Naphtha

Table 8 shows that the naphthas produced by the EDS process have higher concentrations of cycloparaffins and phenols than do petroleum-derived naphthas, whereas the normal paraffins are present in much lower concentrations. The sulfur and nitrogen concentrations in coal naphthas are high compared to those in petroleum naphthas. 

Presently, more than 98 % of the hydrogen gas consumed by the industries are provided by reforming coal, naphtha, and natural gas, and will be unable to bear the future demand [7], It is strongly required to supply the hydrogen produced from water by renewable energy... 

Synonyms AI3-00808 Annulene Benxole Benzin Benzine Benzol Benzol 90 Benzole Benzolene Bicarburet of hydrogen BRN 0969212 Bz Carbon oil Caswell No. 077 CCRIS 70 Coal naphtha Coal tar naphtha Cyclohexatriene EINECS 200-753-7 EPA pesticide chemical code 008801 Mineral naphtha Mineral naphthalene Motor benzol NC1-C55276 Nitration benzene NSC 67315 Phene Phenyl hydride Polystream Pyrobenzol Pyrobenzole RCRA waste number U019 UN 1114. 

H-Coal naphthas and distillates derived from Illinois No. 6 (Burning Star Mine) and Wyodak coals were supplied by Hydrocarbon Research, Inc. The naphthas and distillates were blended in the appropriate proportions to obtain a whole syncrude derived from each coal. Properties of these syncrudes are shown in Table I. For comparison, Table I also shows properties of the SRC-II syncrude used in the study described in the previous chapter. The SRC-II syncrude was derived from a West Virginia coal (Pittsburgh Seam, Blacksville No. 2 Mine of the consolidated Coal Company). The H-Coal and SRC-II syncrudes are not directly comparable because the coals used to derive these syncrudes differ. 

Figure 2. Hydrogen and liquid yield vs. octane for upgraded H-coal naphtha...

Feedstock Coal Naphtha Coal middistillate Shale oil... 

Synonym(s) Annulene, benzeen (Dutch), benzen (Polish), benzol, benzole benzolo (Italian), coal naphtha, cyclohexatriene, fenzen (Czech), phene, phenyl hydride, pyrobenzol, pyrobenzole HSDB 1996... 

SYNS (6)ANNULENE BENZEEN (DUTCH) BENZEN (POLISH) BENZIN (OBS.) BENZINE (OBS.) BENZOL pOT) BENZOLE BENZOLENE BENZOLO (ITALIAN) BICARBURET of HYDROGEN CARBON OIL COAL NAPHTHA CYCLO-HEXATRIENE FENZEN (CZECH) MINERAL NAPHTHA MOTOR BENZOL NCI-C55276 NITRATION BENZENE PHENE PHENYL HYDRIDE PYROBENZOL PYROBENZOLE RCRA WASTE NUMBER U019... 

Synonyms Cyclohexatriene Benzol Coal naphtha Benzole Phenyl hydride Chemical/Pharmaceuticae/Other Ceass Aromatic hydrocarbon... 

COAL NAPHTHA or COAL NAPHTHA, PHENYL HYDRIDE (71-43-2) see benzene. 

SYNONYMS Annulene, benzol, benzole, coal naphtha, cyclohexatriene, pyrobenzol... 

Preparation.—By heating a mixture of dry sodium carbonate, chalk, and charcoal to whiteness in iron retorts, connected with suitable condensers, in which the distilled metal collects, under a layer of coal naphtha. 

Synonyms Annulene Benzol Benzole Benzolene Bicarburet of hydrogen Carbon oil Coal naphtha Cyclohexatriene Mineral naphtha Motor benzol Nitration benzene Phene Phenyl hydride Pyrobenzol Pyrobenzole... 

The name paraffins was proposed for the hydrocarbons CnH2n+2 by H. Watts. Pentane was isolated from cannel-coal naphtha by Schorlemmer, who obtained hexane and heptane from the same source and from Pennsylvanian petroleum. T. E. Thorpe obtained heptane from another natural source. Hexane was obtained from cannel distillate by C. G. Williams, who thought it was free propyl. Octane and tetramethylethane (di-isopropyl) were synthesised by Schorlemmer. A spring of petroleum was first discovered in a disused coal mine by Lyon Playfair about 1847 and was worked by J. Young for three years, when it was exhausted. Young then began to manufacture paraffin from boghead coal (see p. 401). Petroleum was first obtained in Pennsylvania in 1859. ... 

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