Study for Development of the Coal Liquefaction Process by 150 t/d Coal Liquefaction Pilot Plant (I). Operational Technology and Effect of Reaction Conditions on Product Yields.

Ishibashi, Hidemi; Kouzu, Masato; Hayashi, Takashi; Kamei, T.; OI, Shouichi; ENDO, Motoji; MIYAKE, Manjiro; Nishibayashi, Takahiro; ASANO, Souji; Kobayashi, Masatoshi; Kano, Takuo; Imada, Kunihiro; Inokuchi, Kenji

doi:10.3775/jie.77.1201

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“…Properties of Feedstock. Experiments were conducted using naphtha fractions derived from Tanito Harum coal liquid, which was produced in a 150 t/d NEDOL process pilot plant operated in the Sunshine Project. , Operating conditions of the plant and properties of feedstock are summarized in Table .…”

Section: Methodsmentioning

confidence: 99%

Methanol-Mediated Extraction of Coal Liquid (5). Conceptual Design and Mass Balance of a Continuous Methanol-Mediated Extraction Process

et al. 2002

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A total process for methanol-mediated extraction was designed. The process consisted of (1) methanol-mediated extraction, (2) neutral oil removal, (3) methanol recovery, (4) water treatment, and (5) washing. The recovery ratio of each process was determined with the naphtha fraction derived from Tanito Harum coal produced in a 150 t/day NEDOL coal liquefaction pilot plant under the conditions of a feedstock/methanol/water ratio of 1:1:1. The mass balance of the total system was calculated from the recovery ratios. In the total process, slight losses were found in methanol, water, heptane, and toluene, requiring 2−21 g of addition per 1000 g of feedstock, which were insignificant compared to the amount of feedstock. Based on the results, the entire extraction process was mostly closed. Overall, 197 g of crude phenol containing 138 g of phenols and 877 g of product oil were recovered from 1000 g of feedstock containing 206 g of phenols.

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Section: Methodsmentioning

confidence: 99%