Sekisui Chemical Co., Ltd.

Sekiguji Chemical Co., Ltd.

Kazuto Natsuyama

Kokoro Hamachi

Noritoshi Yagihashi

Haruka Nishiyama

Kanetomo Sato

Tomoya Hasegawa

Satoshi Shimizu

Provided are a method for producing a purified gas, which, when a valuable material is generated from a waste-derived raw material gas, can efficiently remove a phase transitioning impurity contained in the raw material gas, a method for producing a valuable material, a gas purification apparatus, and an apparatus for producing a valuable material. A method for producing a purified gas, comprising removing an impurity in a waste-derived raw material gas, the method comprising: a solid-phased impurity removing step Sof passing the raw material gas through a phase transitioning impurity removing unit to remove a solid-phased phase transitioning impurity in the raw material gas; and an impurity removing step Sof passing the raw material gas after the solid-phased impurity removing step through a pressure swing adsorption apparatus combined with a vacuum pump to remove an impurity in the raw material gas.

Method for producing purified gas, method for producing valuable material, gas purification device, and device for producing valuable material

The present disclosure provides a novel and practical alcohol and derivatives thereof which have more industrial value than existing petrochemical raw materials. The present disclosure further provides ethanol, characterized in that a peak in gas chromatography measured by gas chromatograph mass spectrometry (GC/MS) has at least one peak with a retention time selected from (A) a peak of 5 minutes 25 seconds to 5 minutes 35 seconds and two peaks of 2 minutes 55 seconds to 3 minutes 5 seconds; (B) a peak of 12 minutes 30 seconds to 12 minutes 40 seconds; (C) a peak of 6 minutes 36 seconds to 6 minutes 45 seconds; and (D) a peak of 15 minutes 00 seconds to 15 minutes 15 seconds.

Ethanol

The object is to provide a control device, an operation control device, a server, a management server, a recording medium, a neural network system model, a control method and an operation control method that enable reuse of combustible waste as industrial raw materials with high efficiency. A control device comprises a gas information acquisition unit that acquires gas information on gas converted by a gasifying furnace for converting collected waste to gas; a control information acquisition unit that acquires control information controlling the gas purification device for purifying gas converted by the gasifying furnace; a feature information acquisition unit that acquires feature information including information on purified gas purified by the gas purification device; and a creation unit that creates a learning model by machine learning based on the gas information, the control information and the feature information.

Control device and control method

[Problem to be Solved] Provided is a method for producing a non-petrochemical-derived conjugated diene polymer using an alcohol derived from a non-petrochemical raw material. [Means to Solve the Problem] In the present invention, the method is characterized in that a non-petrochemical-derived conjugated diene polymer is produced using an alcohol derived from a non-petrochemical raw material having an iron content of 0.0001 mg/L to 2 mg/L.

Method for producing conjugated diene polymer

Provided is a method for reusing an adsorbent which can stably exhibit purification ability by regenerating a used absorbent, in order to keep the composition of a purified syngas constant. The present invention concerns a method for regenerating a zeolite adsorbent which adsorbs a carbon dioxide gas from a syngas comprising the carbon dioxide gas and reduces the concentration of the carbon dioxide gas in the syngas, comprising: a step of recovering a used zeolite adsorbent; a step of calcining the used zeolite adsorbent at a temperature of 300° C. to 600° C. in an oxygen atmosphere to produce a regenerated zeolite adsorbent; and a step of reusing the regenerated zeolite adsorbent.

Method for reusing zeolite adsorbent and regenerated adsorbent

Generation of bubbles in an organic-substance production apparatus is suppressed. A gas treatment method including: an adsorption step of passing a source gas containing at least carbon dioxide and nitrogen through an adsorption unit for adsorbing carbon dioxide to reduce a carbon dioxide concentration in the source gas; a supply step of supplying the source gas whose carbon dioxide concentration has been reduced by the adsorption step to an organic-substance production apparatus; and a monitoring step of monitoring a carbon dioxide concentration and a nitrogen concentration in the source gas; wherein the adsorption step has an ability regulation step of enhancing an ability of the adsorption unit to reduce a carbon dioxide concentration in the source gas, when a total concentration of the carbon dioxide concentration and the nitrogen concentration monitored in the monitoring step exceeds a threshold value.

Gas treatment method and gas treatment apparatus

Provided is a method for producing an organic substance from a syngas by microbial fermentation, wherein only the solid component can be efficiently separated from an organic substance-containing liquid obtained by microbial fermentation to reduce the content of microorganisms, etc. Disclosed is a method for producing an organic substance from a syngas containing carbon monoxide by microbial fermentation, which comprises a microbial fermentation step wherein the syngas is fed to a microbial fermenting vessel and a liquid containing an organic substance is obtained by microbial fermentation, a solid-liquid separation step wherein the organic substance-containing liquid is separated into a solid component containing microorganisms and a liquid component containing an organic substance, and an extraction step wherein the organic substance-containing liquid is extracted from the liquid component, wherein the organic substance-containing liquid is heated to 40&#xb0; C. or higher and then subjected to a centrifugal separation operation.

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Tsukuba, Japan

Kazuto Natsuyama