JPH10310777A - Decomposition reaction of coal - Google Patents
Decomposition reaction of coalInfo
- Publication number
- JPH10310777A JPH10310777A JP12074997A JP12074997A JPH10310777A JP H10310777 A JPH10310777 A JP H10310777A JP 12074997 A JP12074997 A JP 12074997A JP 12074997 A JP12074997 A JP 12074997A JP H10310777 A JPH10310777 A JP H10310777A
- Authority
- JP
- Japan
- Prior art keywords
- coal
- reaction
- decomposition reaction
- methane
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、石炭類の分解反応
方法に関する。[0001] The present invention relates to a method for decomposing coals.
【０００２】[0002]
【従来の技術】石炭類、とくに低品位炭を水素を添加し
ながら、マイクロ波を照射し分解反応させて炭化水素類
等を得る方法が検討されている。2. Description of the Related Art A method of obtaining hydrocarbons by irradiating microwaves to cause decomposition reaction while adding hydrogen to coals, particularly low-grade coals, has been studied.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、従来の
方法で得られる分解反応生成物は、Ｃ2 〜Ｃ3 の炭化水
素類を主成分とし、炭素数の大きい油状生成物の比率は
小さかった。そこで本発明者は、より低コストで油状生
成物の選択率がより大きい分解反応方法を見出すべく種
々検討を行ない、本発明に到達した。[SUMMARY OF THE INVENTION However, the decomposition reaction product obtained by the conventional method, the main component hydrocarbons C 2 -C 3, the ratio of large oily product carbon number was small. Therefore, the present inventors have conducted various studies in order to find a decomposition reaction method with lower cost and higher selectivity for oily products, and have reached the present invention.
【０００４】[0004]
【課題を解決するための手段】すなわち、本発明の要旨
は、石炭類に、メタン雰囲気下でマイクロ波を照射し
て、石炭類の分解反応を行なうことを特徴とする石炭類
の分解反応方法にある。That is, the gist of the present invention is to provide a method for decomposing coal by subjecting coal to microwave irradiation in a methane atmosphere to cause a decomposition reaction of coal. It is in.
【０００５】[0005]
【発明の実施の形態】以下、本発明を詳細に説明する。
まず、本発明において、出発原料となる石炭類として
は、特に制限されないが、コスト面から褐炭、亜炭、風
化炭等の低品位炭が好適に使用される。BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described in detail.
First, in the present invention, the coal used as a starting material is not particularly limited, but low-grade coal such as lignite, lignite, and weathered coal is preferably used in terms of cost.
【０００６】本発明においては、この石炭類に、メタン
雰囲気下でマイクロ波を照射する。メタンとしては、メ
タンを含有するガスであればよく、メタンガス、天然ガ
ス等が用いられる。これらのメタン含有ガスを反応に供
するに際しては、Ａｒ、Ｎ2 、Ｈｅ等の、該反応に不活
性なガスをキャリアガスとして用いるのが好適である。In the present invention, the coal is irradiated with microwaves in a methane atmosphere. The methane may be any gas containing methane, such as methane gas and natural gas. When supplying these methane-containing gases to the reaction, it is preferable to use a gas inert to the reaction, such as Ar, N 2 , He, or the like, as a carrier gas.
【０００７】マイクロ波を照射して、石炭類の分解反応
を行なうための反応装置はガス供給部、マイクロ波発生
部、反応部よりなる。ガス混合器で所定の成分比に調整
した供給ガスを、たとえば石英ガラス管のようなマイク
ロ波を吸収しない反応管からなる反応部に導入する。反
応管には石炭類が充填されるが、縦型とするのが、プラ
ズマ発生時の管内挙動の観察の点から好ましい。A reactor for irradiating microwaves to perform a decomposition reaction of coals includes a gas supply unit, a microwave generation unit, and a reaction unit. A supply gas adjusted to a predetermined component ratio by a gas mixer is introduced into a reaction section composed of a reaction tube that does not absorb microwaves, such as a quartz glass tube. The reaction tube is filled with coal, but it is preferable to use a vertical type from the viewpoint of observing the behavior in the tube when plasma is generated.
【０００８】この反応部には、マイクロ波発生部、たと
えば、２．４５ＧＨｚのマイクロ波発振器で発生させた
マイクロ波を水平に設置した導波管を通して照射して反
応させるのが好適である。本発明においては、この反応
を行なうに際し、マイクロ波出力を５０Ｗ以上とするの
が好ましい。通常１００〜２００Ｗから選ばれる。The reaction section is preferably irradiated with a microwave generated by a microwave generator, for example, a microwave oscillator of 2.45 GHz, through a horizontally installed waveguide to cause a reaction. In the present invention, when performing this reaction, the microwave output is preferably set to 50 W or more. Usually selected from 100 to 200W.
【０００９】メタンの供給は、通常０．１〜１０ｍｍｏ
ｌ／ｍｉｎ程度で行なわれ、反応圧は、通常２〜１０ｋ
Ｐａ程度から選ばれる。また、反応時間は、１〜３０分
（被照射時間）程度から選ぶのが一般的である。反応部
より導出された反応生成物は、常法により、目的物を分
離される。The supply of methane is usually 0.1 to 10 mmo.
1 / min, and the reaction pressure is usually 2 to 10 k
It is selected from about Pa. The reaction time is generally selected from about 1 to 30 minutes (irradiation time). The target product is separated from the reaction product derived from the reaction section by an ordinary method.
【００１０】本発明によれば、油状生成物の選択率の大
きい、石炭類の分解反応方法を提供しうる。According to the present invention, there can be provided a method for decomposing coals having a high selectivity for oily products.
【００１１】[0011]
【実施例】以下、実施例により本発明を説明する。 実施例１ 褐炭として２００ｍｅｓｈパスのヤルーン炭（Ｙａｌｌ
ｏｕｒｎ炭）（オーストラリア）を使用した。灰分
（２．０％）を除く乾量基準の元素分析値はＣ：５６．
７％、Ｈ：３．６％、Ｎ：０．５％、比表面積は６．２
ｍ2 ／ｇである。原料ガスは市販のメタンを使用した。The present invention will be described below with reference to examples. Example 1 Yaloon charcoal (Yall) with 200 mesh pass as brown coal
(own coal) (Australia). The elemental analysis value on a dry basis excluding ash (2.0%) is C: 56.
7%, H: 3.6%, N: 0.5%, specific surface area is 6.2
m 2 / g. The raw material gas used was commercially available methane.
【００１２】内径２５ｍｍ、長さ４００ｍｍの石英管を
用い、褐炭１．５ｇ（層厚み５ｍｍ）をグラスウールで
保持した。マイクロ波は２．４５ＧＨｚを用い、水平に
設置した導波管（縦５４．５ｍｍ、横１０８．７ｍｍ）
を通じて、垂直に設置した反応管の中央部にプラズマが
発生するように照射した（出力３００Ｗ）。メタンは反
応管上部から下方へ連続供給を行った（２０リットル／
ｍｉｎ）。Using a quartz tube having an inner diameter of 25 mm and a length of 400 mm, lignite 1.5 g (layer thickness 5 mm) was held with glass wool. The microwave uses 2.45 GHz, and the waveguide installed horizontally (54.5 mm in height, 108.7 mm in width)
Through the reactor so that plasma was generated at the center of the vertically installed reaction tube (output 300 W). Methane was continuously supplied downward from the top of the reaction tube (20 liters /
min).
【００１３】乾燥褐炭を反応管内に充填した後、系内を
真空ポンプで減圧した。所定流量のメタンを流通させ、
出力を調節したマイクロ波プラズマを発生させ充填層に
直接照射される状態にして２分間反応を行った。反応圧
は４．０ｋＰａであった。After filling the dry lignite into the reaction tube, the pressure in the system was reduced by a vacuum pump. Circulates a certain amount of methane,
The reaction was carried out for 2 minutes while generating microwave plasma whose output was adjusted and directly irradiating the packed layer. The reaction pressure was 4.0 kPa.
【００１４】反応生成物の分析は、ガスクロマトグラフ
により行なった。反応生成物の収率は次のとおりであっ
た。 収率３２．２％ 気体状生成物 １４．５％ （ＣＨ4 ５７．３％、Ｃ2 Ｈ6 ５．３％、Ｃ2 Ｈ4
１３．６％、Ｃ2 Ｈ2 ２３．９％） 油状生成物 １７．７％ （Ｃ10〜Ｃ30）The analysis of the reaction product was performed by gas chromatography. The yield of the reaction product was as follows. 32.2% gaseous products 14.5% yield (CH 4 57.3%, C 2 H 6 5.3%, C 2 H 4
13.6%, C 2 H 2 23.9 %) oily product 17.7% (C 10 ~C 30)
【００１５】比較例１ 実施例１において、メタンガスの代わりに水素ガスを用
い、出力２００Ｗとした以外は同様の方法で褐炭の分解
方法を行なった。 収率１４．２％ 気体状生成物 １０．２％ 油状生成物 ４．０％Comparative Example 1 A lignite was decomposed in the same manner as in Example 1 except that hydrogen gas was used instead of methane gas and the output was set to 200 W. Yield 14.2% Gaseous product 10.2% Oily product 4.0%
Claims (1)
を照射して、石炭類の分解反応を行なうことを特徴とす
る石炭類の分解反応方法。1. A method for decomposing coals, which comprises irradiating coals with microwaves in a methane atmosphere to decompose the coals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12074997A JPH10310777A (en) | 1997-05-12 | 1997-05-12 | Decomposition reaction of coal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12074997A JPH10310777A (en) | 1997-05-12 | 1997-05-12 | Decomposition reaction of coal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10310777A true JPH10310777A (en) | 1998-11-24 |
Family
ID=14794043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12074997A Pending JPH10310777A (en) | 1997-05-12 | 1997-05-12 | Decomposition reaction of coal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10310777A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015026940A1 (en) * | 2013-08-20 | 2015-02-26 | H Quest Partners, LP | Multi-stage system for processing hydrocarbon fuels |
| US9044730B2 (en) | 2013-08-20 | 2015-06-02 | H Quest Partners, LP | System for processing hydrocarbon fuels using surfaguide |
| US9095835B2 (en) | 2013-08-20 | 2015-08-04 | H Quest Partners, LP | Method for processing hydrocarbon fuels using microwave energy |
| US9623397B2 (en) | 2013-08-20 | 2017-04-18 | H Quest Partners, LP | System for processing hydrocarbon fuels using surfaguide |
-
1997
- 1997-05-12 JP JP12074997A patent/JPH10310777A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015026940A1 (en) * | 2013-08-20 | 2015-02-26 | H Quest Partners, LP | Multi-stage system for processing hydrocarbon fuels |
| US9044730B2 (en) | 2013-08-20 | 2015-06-02 | H Quest Partners, LP | System for processing hydrocarbon fuels using surfaguide |
| US9095835B2 (en) | 2013-08-20 | 2015-08-04 | H Quest Partners, LP | Method for processing hydrocarbon fuels using microwave energy |
| US9623397B2 (en) | 2013-08-20 | 2017-04-18 | H Quest Partners, LP | System for processing hydrocarbon fuels using surfaguide |
| US9682359B2 (en) | 2013-08-20 | 2017-06-20 | H Quest Partners, LP | Method for processing hydrocarbon fuels using microwave energy |
| US10363542B2 (en) | 2013-08-20 | 2019-07-30 | H Quest Partners, LP | Multi-stage system for processing hydrocarbon fuels |
| US11471851B2 (en) | 2013-08-20 | 2022-10-18 | H Quest Partners, LP | Multi-stage system for processing hydrocarbon fuels |
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