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62 巻, 11 号
選択された号の論文の9件中1～9を表示しています
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坂部 孜1983 年 62 巻 11 号 p. 863
発行日: 1983/11/20
公開日: 2010/06/28
ジャーナル フリーPDF形式でダウンロード (228K) -
池田 米一1983 年 62 巻 11 号 p. 864-873
発行日: 1983/11/20
公開日: 2010/06/28
ジャーナル フリーThe new gasification process to be developed should realize high efficiency comparable to the top level of the world, in addition to increase of pressure and enlargement in capacity.
From the above view point, this investigation was focused on the previous techniques concerning the entrained bed gasifiers in Japan and two developing process oversea.
The investigation resulted in some considerable proposition concering improvement factors for the high efficient gasifier, and for an example, the two staged gasifier was suggested.抄録全体を表示PDF形式でダウンロード (1139K) -
宮谷 和夫1983 年 62 巻 11 号 p. 874-881
発行日: 1983/11/20
公開日: 2011/02/23
ジャーナル フリーThis report describes a new method for heat recovery in entrained gasifier process. The method adopts a wet coal supply system of high dense coal water slurry (CWS) at the stage of coal feed, then through fluidized bed tube type heat exchanger, CWS is heated rapidly by raw gas that has high sensible heat. This process converts a wet type coal feed into a dry type one by super heated steam and makes low specific oxygen demand. The driving power for oxygen generation plant is also obtained from recovered steam which is produced by making use of sensible heat of the raw gas. These methods will produce a high integrated thermal efficiency.抄録全体を表示PDF形式でダウンロード (1002K) -
石田 愈, 鈴木 孝弘1983 年 62 巻 11 号 p. 882-888
発行日: 1983/11/20
公開日: 2010/06/28
ジャーナル フリーThe fundamental aspects of entrainment coal gasification was summarized from the viewpoint of thermodynamics and kinetics. Furthermore, the exergyloss diagrams for the pulverized coal combustion, the entrainment gasification, and the direct liquefaction were compared with each other and the exergy loss and the driving force in each stage of the process were visualized. Especially, the effect of the total pressure was discussed in detail.抄録全体を表示PDF形式でダウンロード (947K) -
平戸 瑞穂, 鈴木 明夫, 二宮 善彦1983 年 62 巻 11 号 p. 889-900
発行日: 1983/11/20
公開日: 2010/06/28
ジャーナル フリーThe coal gasification for the synthetic gas needs high temperature reaction more than 1, 100°C. But at that high temperature, the ash in the coal is shown complicate behavior from soild phase to liquid phase.
The authors are considered on the behavior of the ash at high temperature in this paper.
As rising the ash temperature, first, the compounds in the ash which has low melting points, begin to melt and to show sticky property.
Next, the ash is change to slurry, and last, melt all over the ash and change to liquid phase.
When add some CaO to the ash, the melting point of the ash is more higher than the original ash. When add some Fe2O3, liquidus slag viscosity of the ash is down remarkably.抄録全体を表示PDF形式でダウンロード (1390K) -
柄沢 隆夫, 帰山 晴行, 倉林 俊雄1983 年 62 巻 11 号 p. 901-912
発行日: 1983/11/20
公開日: 2010/06/28
ジャーナル フリーIn order to get a device able to determine droplet sizes with high accuracy and reliability, liquid nitrogen freezing method has been developed since 1971 and this time the seventh and final setup was built.
The cooling chamber is air-proved to avoid generation of cloud in the chamber. Liquid nitrogen fed in the double wall space vaporizes and forms cooling atmosphere. Liquid to be tested is injected downwards through the nozzle and its frozen particles fall onto the film set on the bottom end plate. In order to avoid the severe problem on frosting and optical difficulty, simple photogram method was adopted to get shadows of particles. Prior to construction of the device, distanCe necessary for drops to freeze was computed and the influences of temperature shock and long time contact with fuel and metal on photographic emulsion were investigated. Using the device thus constructed adequate exposure time and temperature gradient in the chamber were searched by trial and error method.
The achieved device can provide well photographs of frozen particles even for gasoline and alcohol. The comparison of the results thus obtained with those by immersion liquid method was also performed. These test results have revealed that this device would be usable not only for conventional measurement but also for calibration of other method.抄録全体を表示PDF形式でダウンロード (2764K) -
触媒を使用した場合中田 善徳, 上田 成, 前河 涌典1983 年 62 巻 11 号 p. 913-922
発行日: 1983/11/20
公開日: 2010/06/28
ジャーナル フリーFor commercialization of coal liquefaction processes, blending of various types of raw coal will be an important consideration. In this report, Shin-Yubari coal, Taiheiyo coal, Sohyakoishi coal and Yallourn brown coal were blended in various ratios to investigate the effects of a mixture of two types of coal on the hydrogenation reaction. The conversion of the blended coals were compared to conversion obtained for each pure coal. A blend of Yallourn brown coal and Shin-Yubari coal exhibited a clear deviation from additivity and a positive synergism was observed. Brown coal requires hydrogen donor solvent to enhance its hydrogenation capability. It is considered that hydroaromatics derived from Shin-Yubari coal promote the hydrogenation reaction of Yallourn brown coal.抄録全体を表示PDF形式でダウンロード (840K) -
脱硫廃液からのスルフジミン酸アンモニヴム製造佐藤 利雄, 浜村 欣次, 神原 定良1983 年 62 巻 11 号 p. 923-930
発行日: 1983/11/20
公開日: 2010/06/28
ジャーナル フリーIn the production of coke, substantial volumes of effluent are generated from a liquid redox desulfurization plant of coke oven gas. The effluent typically contains NH4SCN and (NH4) 2S2O3 in high concentrations, and has generally been converted into H2SO4, (NH4) 2SO4 or CaSO4·2H2O by means of burning or wet oxygen oxidation under severe conditions.
A method was developed for production of NH4SO3NH2 from the effluent.
1. The effluent is treated with wet oxygen oxidation under mild neutral conditions where (NH4) 2S2O3 is selectively oxidized to NH4SO3NH2 and (NH4) 2SO4. The ratio of NH4SO3NH2 to (NH4) 2SO4 is changed with the concentration of NH3 and S2O32-.
2. The resulting solution is oxidized again under more intensive conditions to transform NH4SCN into (NH4) 2SO4.
3. After the oxidation of effluent, the solution is concentrated to saturation point of NH4SO3NH2 under reduced pressure at 70-80t in order to crystallize (NH4) 2SO4. The crystallized (NH4) 2SO4 is filtered and washed with water at the same temperature.
4. The filtrate is cooled to crystallize NH4SO3NH2, which is separated by filtration.
5. The purity of NH4SO3NH2 obtained is about 97%, and the recovery is about 98%. This process affords a commercial procedure for the preparation of NH4SO3NH2 from the desulfurization effluent.抄録全体を表示PDF形式でダウンロード (769K) -
社団法人燃料協会石炭液化油分析評価小委員会1983 年 62 巻 11 号 p. 931-941
発行日: 1983/11/20
公開日: 2010/06/28
ジャーナル フリーPDF形式でダウンロード (1408K)
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