摘要:
The present invention provides a hydrogenation catalyst precursor which does not bring about a problem of environmental pollution involved in copper-chromium catalysts and has a high activity, a high durability and a high selectivity as compared with those of conventional copper-iron-aluminum catalysts, a hydrogenation catalyst obtained by reducing the same, and a production process for alcohols using the above hydrogenation catalyst. The hydrogenation catalyst precursor described above comprises copper, iron and aluminum and containing as a principal component a compound oxide of copper, iron and aluminum in which an atomic ratio Cu:Fe:Al is 1:(0.02 to 0.4):(1.0 to 4.0) and which has a copper-aluminum spinel structure.
摘要:
The present invention provides a method of obtaining highly pure phytosterols practically and efficiently from crude phytosterol compositions derived from vegetable fats and oils. That is, the present invention provides a method of saponifying fatty esters contained in crude phytosterol compositions with an alkali in a mixed solvent of an lower alcohol and water, as well as a process for producing phytosterols, which comprises, after this saponifying method, cooling the reaction solution to precipitate crystals of phytosterols, and separating the obtained crystals.
摘要:
The present invention provides a process for producing a highly pure phytosterol, at high yield in particular, by an easy treatment from a crude fatty acid ester derived from a vegetable fat and/or oil. That is, the present invention provides a process for producing phytosterol, which comprises (A) bringing a crude fatty acid product derived from a vegetable fat and/or oil including phytosterol into contact with a mixed solvent of an organic solvent and water to crystallize the phytosterol and separating the crystals from the mixed solvent; or (B) mixing a crude fatty acid ester derived from a vegetable fat and/or oil including the phytosterol and a fatty acid ester with a lower alcohol, allowing the mixture to stand at a temperature of 1 to 40° C. to precipitate crystals including the fatty acid ester and separating the crystals to take the lower alcohol solution including the phytosterol.
摘要:
A method for distributing advertisement data to display terminal devices from a distribution server via a relay server. The relay server receives status notifications of the display terminal devices and transmits a tenor of receipt of the status notifications to the display terminal devices. The distribution server receiving status notifications and transmits the tenor of receipt of the status notifications to the relay server. The distribution server determines whether the reproduction schedule of the advertisement data has been changed and transmits a notification on a change. If the distribution server receives a request for acquisition of the as-changed reproduction schedule, the distribution server sends the as-changed reproduction schedule to the relay server. If the relay server determines that the reproduction schedule acquired from the distribution server has been changed, the relay server transmits the notification on the change of the reproduction schedule.
摘要:
A method for distributing advertisement data to display terminal devices from a distribution server via a relay server. The relay server receives status notifications of the display terminal devices and transmits a tenor of receipt of the status notifications to the display terminal devices. The distribution server receiving status notifications and transmits the tenor of receipt of the status notifications to the relay server. The distribution server determines whether the reproduction schedule of the advertisement data has been changed and transmits a notification on a change. If the distribution server receives a request for acquisition of the as-changed reproduction schedule, the distribution server sends the as-changed reproduction schedule to the relay server. If the relay server determines that the reproduction schedule acquired from the distribution server has been changed, the relay server transmits the notification on the change of the reproduction schedule.
摘要:
The present invention provides a solid acid catalyst developing high activity and exhibiting high durability in various organic reactions. That is, the present invention provides a solid acid catalyst having the structure (A) in which a hydrogen atom is eliminated from at least one of OH groups contained in an inorganic phosphorus acid, the structure (B) in which a hydrogen atom is eliminated from at least one of OH groups contained in an organic phosphorus acid represented by the formula (1) or (2) and at least one metal atom (C) selected from aluminum, gallium and iron and a method for producing an ester, a ketal or an acetal by using the solid acid catalyst; wherein each of —R1 and —R2 is selected from —R, —OR, —OH and —H in which at least one of —R1 and —R2 is —R or —OR, given that —R is an organic group having 1-22 carbon atoms.
摘要:
A voltage controlled oscillator including a resonator which generates an oscillation signal, a frequency of which is in response to a control signal, and an amplifier which amplifies the oscillation signal. Also included is a frequency adjusting mechanism, as well as a voltage control sensitivity mechanism. In one example, the resonator includes an input terminal to which the control signal is applied, a variable capacitance diode and a main inductor. The oscillation frequency adjusting mechanism includes a first variable capacitor, arranged in parallel with the main inductor of the resonator. In addition, the voltage control sensitivity adjusting mechanism includes a second variable capacitor arranged between the input terminal and the amplifying mechanism, and also arranged between a hot terminal of the variable capacitance diode and a hot terminal of the main inductor.
摘要:
A method for preparing a copper-containing hydrogenation reaction catalyst includes the step of reducing a formed precursor of a copper-containing hydrogenation reaction catalyst with hydrogen gas or a mixture of hydrogen and inert gas by liquid phase reduction in a stream of a solvent. The reductive activation is carried out by the two steps of performing the first stage of liquid phase reduction by which the catalyst precursor is activated in the temperature range of from 20.degree. to 140.degree. C. so that at least 10% by weight of the copper oxide contained in the catalyst precursor can be reduced by the time when the temperature passes 140.degree. C., and then performing the second stage of liquid phase reduction by which the catalyst precursor is further activated in the temperature range of from 140.degree. to 250.degree. C. The catalyst thus obtained has markedly improved catalytic activity and selectivity. An alcohol of high quality can be obtained at a high productivity using the catalyst in a fixed bed continuous reaction system.
摘要:
A process for producing desulfurized fats and oils or fatty acid esters is disclosed, which comprises treating fats and oils or fatty acid esters under hydrogen or a mixture of hydrogen and an inert gas atmosphere at a pressure of from 0.1 to 500 kg/cm.sup.2 in the absolute pressure at a temperature of from 100.degree. to 350.degree. C. in the presence of a catalyst of the following formula (I):Cu.multidot.X.sub.x .multidot.Y.sub.y .multidot.O.sub.z (I)wherein all symbols are defined in the disclosure. A process for producing an alcohols using desulfurized fats and oils or fatty acid esters is also disclosed. According to the process for producing an alcohol of the present invention, an alcohol of a high purity and good qualities can efficiently and effectively be produced.
摘要翻译:公开了一种生产脱硫脂肪和油或脂肪酸酯的方法,其包括在氢气或氢气和惰性气体气氛下以0.1-500kg / cm 2的压力下在脂肪和油或脂肪酸酯中的处理 在下式(I)的催化剂存在下,在100℃至350℃的温度下的绝对压力:其中所有符号在本公开中定义的CuxXxxYyxOz(I)。 还公开了使用脱硫脂肪和油或脂肪酸酯制备醇的方法。 根据本发明的醇的制造方法,可以有效且高效地制造纯度高,品质好的醇。
摘要:
Disclosed is a display terminal device including a display operating unit (12), a first communication unit (22), a reader/writer circuit (24) and a controller (26). The display operating unit is provided on a main body unit (11) to display advertisement data, and the first communication unit communicates with a host device. The reader/writer circuit is provided on the main body unit (11) and communicated with the memory from the display operating unit (12) side to write and/or read out data relevant to the advertisement data. The controller allows advertisement data received by the first communication unit (22) to be displayed on a display operating unit (12). The controller causes data written and/or read out by the reader/writer circuit (24) to be transmitted to or received from a host device or another device via the first communication unit (22). Since the display operating unit (12) side may communicate with a memory, such as an IC card, the data relevant to the advertisement data may be exchanged extremely readily.