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CN106573859A - 化学品制造装置及化学品制造方法 - Google Patents

化学品制造装置及化学品制造方法 Download PDF

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CN106573859A
CN106573859A CN201580037695.3A CN201580037695A CN106573859A CN 106573859 A CN106573859 A CN 106573859A CN 201580037695 A CN201580037695 A CN 201580037695A CN 106573859 A CN106573859 A CN 106573859A
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小间聪
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Sekisui Chemical Co Ltd
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Abstract

本发明提供一种可以提高制造化学品时的能量效率的化学品制造装置。化学品制造装置1具有合成气化部11、合成部16和转化部12。合成气化部11使碳源进行部分氧化而生成合成气。合成部16通过使合成气进行催化反应而合成化学品。转化部12将在合成气化部11及合成部的至少一者生成的烃转化成一氧化碳和氢，并供给至合成部16。转化部12利用来自合成气化部11的废热进行烃的转化。

Description

化学品制造装置及化学品制造方法
技术领域
本发明涉及化学品的制造装置及化学品的制造方法。
背景技术
目前，已知一种通过使用催化剂使由生物质合成的合成气进行反应，从而制造乙醇(参照专利文献1)的方法。在使合成气进行催化反应的情况下，不仅生成作为目标的乙醇，而且还可生成甲烷、乙烷、乙烯等烃等的副生成物。专利文献1中记载了，将这些副生成物转化成一氧化碳和氢。
现有技术文献
专利文献
专利文献1：日本特开2012-149089号公报
发明内容
发明所要解决的课题
期望提高制造生物乙醇等化学品时的能量效率。
本发明的主要目的在于，提供一种可以提高制造醇等化学品时的能量效率的化学品制造装置及化学品制造方法。
用于解决课题的方案
本发明提供一种化学品制造装置，其具有合成气化部、合成部和转化部。合成气化部使碳源进行部分氧化而生成合成气。合成部通过使合成气进行催化反应而合成化学品。转化部将在合成气化部及合成部的至少一者中生成的烃转化成一氧化碳和氢，并供给至合成部。转化部利用来自合成气化部的废热进行烃的转化。
本发明的化学品制造装置中，转化部可以对由合成气化部及合成部这两者排出的烃进行转化。
本发明的化学品制造装置中，转化部可以对碳原子数为1～6的烃进行转化。
本发明的化学品制造装置中，转化部可以对甲烷进行转化。
本发明提供一种化学品制造方法，使碳源进行部分氧化而生成合成气。在合成部，通过使合成气进行催化反应来合成化学品。将在碳源的部分氧化工序及化学品的合成工序中生成的烃转化成一氧化碳和氢，并供给至合成部。利用碳源的部分氧化时的废热进行烃的转化。
发明的效果
根据本发明，可以提供制造化学品时的能量效率能够得到提高的化学品制造装置。
附图说明
图1是第一实施方式的化学品制造装置的示意图；
图2是第二实施方式的化学品制造装置的示意图。
标记说明
1 制造装置
11 合成气化部
12 转化部
13 除去部
14 脱硫部
15 二氧化碳分离部
16 合成部
17 气液分离部
18 气体分离部
具体实施方式
以下，对实施本发明的优选的方式的一个例子进行说明。但是，下述的实施方式仅仅为示例。本发明不受下述实施方式任何限定。
图1是第一实施方式的化学品制造装置的示意图。图1所示的制造装置1是用于利用有机性废弃物或生物质等制造乙醇等化学品的装置。
制造装置1具有合成气化部11。向合成气化部11供给有机性废弃物或生物质等非化石有机性资源(碳源)。合成气化部11对碳源进行部分氧化而生成合成气。通常，通过碳源的部分氧化，生成作为副生成物的烃及二氧化碳等。因此，合成气通常含有一氧化碳及氢，并且含有烃及二氧化碳等。合成气化部11将生成的合成气供给至转化部12。此外，作为副生成物的烃中含有碳原子数为1～6的烃。特别是烃中大量含有甲烷。
转化部12将合成气所含的烃转化成一氧化碳和氢。转化部12将转化的合成气供给至除去部13。
除去部13除去合成气中的杂质。具体而言，通过使合成气中的杂质溶解于液体中等，从而除去合成气中的杂质。除去部13将除去了杂质的合成气供给至脱硫部14。
脱硫部14对合成气中的硫黄成分进行分离除去。脱硫部14将经过脱硫的合成气供给至二氧化碳分离部15。
二氧化碳分离部15对合成气所含的二氧化碳进行分离除去。二氧化碳分离部15将除去了二氧化碳的合成气供给至合成部16。
合成部16通过使合成气进行催化反应而合成化学品。具体而言，合成部16通过使合成气中的一氧化碳和氢进行催化反应，从而合成醇等化学品。作为用于催化反应的催化剂，例如可举出由铑、锰、锂及镁形成的4元催化剂等。通常，通过使合成气进行催化反应，生成作为副生成物的烃等。合成部16将醇等化学品、副生成物等供给至气液分离部17。
气液分离部17将供给的物质分离成气体成分和液体成分。由此，得到含有醇等化学品的液体。气液分离部17可以与利用含有醇等化学品的液体对醇等化学品进行提纯的提纯部连接。
分离出的气体成分中含有未反应的一氧化碳及氢、以及烃等。气液分离部17将该气体成分供给至转化部12。
转化部12将气体成分所含的烃转化成一氧化碳和氢。因此，通过气体成分所含的烃进行转化从而生成的一氧化碳及氢、未反应的一氧化碳及氢供给至合成部16，供于醇等化学品的合成。
在转化部12进行的转化反应是吸热反应。因此，需要向转化部12供给热。制造装置1中，将来自合成气化部11的废热供给至转化部12。转化部12利用来自合成气化部11的废热进行烃的转化。因此，可减少应从外部向转化部12供给的热量。因此，能够提高制造醇等化学品时的能量效率。
以下，对本发明优选的实施方式的另一个例子进行说明。在以下的说明中，以共同的符号参照具有实质上与上述第一实施方式共同功能的部件，并省略说明。
(第二实施方式)
图2是第二实施方式的化学品的制造装置的示意图。本实施方式中，将气体分离部18与气液分离部17连接。向气体分离部18供给由气液分离部17所分离出的气体成分。气体分离部18将气体成分分离成烃和烃以外的成分。气体分离部18将烃供给至转化部12。气体分离部18将含有未反应的一氧化碳及氢的烃以外的成分供给至合成部16。这样本实施方式中，由气液分离部17分离出的气体成分中，可以仅将烃供给至转化部12。因此，可以更有效地进行烃的转化。

Claims (5)

1.一种化学品制造装置，其具有：
合成气化部，其使碳源进行部分氧化而生成合成气；
合成部，其通过使所述合成气进行催化反应，从而合成化学品；
转化部，其将在所述合成气化部及所述合成部的至少一者中生成的烃转化成一氧化碳和氢，并供给至所述合成部，
其中，所述转化部利用来自所述合成气化部的废热来进行所述烃的转化。
2.如权利要求1所述的化学品制造装置，其中，
所述转化部对从所述合成气化部及所述合成部这二者排出的烃进行转化。
3.如权利要求1或2所述的化学品制造装置，其中，
所述转化部对碳原子数为1～6的烃进行转化。
4.如权利要求3所述的化学品制造装置，其中，
所述转化部对甲烷进行转化。
5.一种化学品的制造方法，其包括：
对碳源进行部分氧化而生成合成气的工序；
在合成部，通过使所述合成气进行催化反应来合成化学品的工序；
将在所述碳源的部分氧化工序及所述化学品的合成工序中生成的烃转化成一氧化碳和氢，并供给至所述合成部的工序，
其中，利用所述碳源的部分氧化时的废热进行所述烃的转化。
CN201580037695.3A 2014-07-30 2015-07-24 化学品制造装置及化学品制造方法 Pending CN106573859A (zh)

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