Design of quaternary ammonium type-ionic liquids as desiccants for an air-conditioning system

被引：13

作者：

Maekawa, Sho ^{[1
]}

Matsumoto, Ryo ^{[1
]}

Ito, Kenta ^{[1
]}

Nokami, Toshiki ^{[1
,2
]}

Li, Jian-Xin ^{[3
]}

Nakayama, Hiroshi ^{[4
]}

Itoh, Toshiyuki ^{[1
,5
]}

机构：

[1] Tottori Univ, Grad Sch Engn, Dept Chem & Biotechnol, Tottori, Japan

[2] Tottori Univ, Ctr Res Green Sustainable Chem, 4-101 Koyama Minami, Tottori 6808552, Japan

[3] Nanjing Univ, Sch Chem & Chem Engn, State Key Lab Analyt Chem Life Sci, Nanjing, Peoples R China

[4] Chubu Elect Power Co Inc, Res & Dev Div, Adv Res & Innovat Ctr, 20-1 Kitasekiyama Ohtaka Cho,Midori Ku, Nagoya 4598522, Japan

[5] Toyota Phys & Chem Res Inst, 41-1 Yokomichi, Nagakute City, Aichi 4801192, Japan

来源：

GREEN CHEMICAL ENGINEERING | 2020年 / 1卷 / 02期

关键词：

Dehumidi fication; Liquid desiccant; Choline type ionic liquid; Air -conditioner system; VAPOR-PRESSURE MEASUREMENT; THERMODYNAMIC PROPERTIES; BINARY-MIXTURES; 1-ETHYL-3-METHYLIMIDAZOLIUM ACETATE; THERMAL-STABILITY; CHOLINE LACTATE; PLUS WATER; DEHUMIDIFICATION; WORKING; ENERGY;

D O I：

10.1016/j.gce.2020.09.016

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The liquid desiccant air-conditioning system allows reducing energy consumption compared to the conventional compressor-type air conditioners. In order to develop desiccant materials for air conditioners, we have investigated the dehumidification capability of quaternary ammonium Ionic Liquids (ILs) and the equilibrium water vapor pressure of aqueous solutions of these ammonium salts. Among the seven tested types of ILs, 2-hydroxy-N,N,N-trimethylethan-1-aminium dimethylphosphate ([Ch][DMPO4]) displayed the best dehumidification capability and the lowest equilibrium water vapor pressure. Furthermore, the 80% aqueous solution of [Ch][DMPO4] exhibited a less corrosive effect on four types of metals, i.e., steel (hot dip zinc-aluminum alloy plated steel), copper (C1100P), aluminum (A5052), and stainless steel (SUS: SUS304). It should be noted that this [Ch] [DMPO4] is not only non-toxic but also exhibits a stable nature; the aqueous solution produced no odor after storing for over 1 year under ambient conditions.

引用

页码：109 / 116

页数：8

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