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author:

Ye, Wenyuan (Ye, Wenyuan.) [1] | Lin, Jiuyang (Lin, Jiuyang.) [2] | Borreg, Ricard (Borreg, Ricard.) [3] | Chen, Dong (Chen, Dong.) [4] | Sotto, Arcadio (Sotto, Arcadio.) [5] | Luis, Patricia (Luis, Patricia.) [6] | Liu, Minghua (Liu, Minghua.) [7] | Zhao, Shuaifei (Zhao, Shuaifei.) [8] | Tang, Chuyang Y. (Tang, Chuyang Y..) [9] | Van der Bruggen, Bart (Van der Bruggen, Bart.) [10]

Indexed by:

EI Scopus SCIE

Abstract:

In digital printing, a high salt content in dye solutions is detrimental, which calls for effective strategy for dye/salt fractionation. In this study, a loose nanofiltration (NF) membrane Sepro 2A was employed to desalinate diverse dye species (2 reactive dyes and 4 cationic dyes). This membrane, with a molecular weight cutoff of 490 Da, showed consistently high rejections to all the reactive and cationic dyes (>97.7%). Operational conditions such as dye concentrations and applied pressures have limited effects on the rejection of the membrane. An integrated NF-diafiltration process, involving a pre-concentration and a diafiltration step, was specifically designed for the fractionation of dye/NaCl mixtures. This loose NF membrane showed >99.7% rejection to reactive dyes (reactive blue 2 and reactive orange 16) and ca. 99.3% salt removal with ca. 2.0% dye loss after 5.0 diavolumes. However, the NF membrane experienced a 15.9% loss to methylene blue due to the lower rejection to this model cationic dye (97.2%). The current study provides important insights into dye/salt fractionation by loose NF membranes for digital ink-jet printing.

Keyword:

Diafiltration Digital printing Dye/salt mixture Fractionation Loose nanofiltration membrane

Community:

  • [ 1 ] [Ye, Wenyuan]Fujian Agr & Forestry Univ, Fujian Prov Key Lab Soil Environm Hlth & Regulat, Coll Resources & Environm, Fuzhou 350002, Fujian, Peoples R China
  • [ 2 ] [Lin, Jiuyang]Fuzhou Univ, Sch Environm & Resources, Qi Shan Campus,2 Xueyuan Rd, Fuzhou 350116, Fujian, Peoples R China
  • [ 3 ] [Liu, Minghua]Fuzhou Univ, Sch Environm & Resources, Qi Shan Campus,2 Xueyuan Rd, Fuzhou 350116, Fujian, Peoples R China
  • [ 4 ] [Borreg, Ricard]Univ Rovira & Virgili, Dept Chem Engn, Tarragona 43207, Spain
  • [ 5 ] [Chen, Dong]Sun Yat Sen Univ, Ctr Canc, Dept Urol, Guangzhou 510060, Guangdong, Peoples R China
  • [ 6 ] [Sotto, Arcadio]Rey Juan Carlos Univ, Dept Chem & Environm Technol, Madrid 28933, Spain
  • [ 7 ] [Luis, Patricia]Catholic Univ Louvain, Mat & Proc Engn iMMC IMAP, B-1348 Louvain, Belgium
  • [ 8 ] [Zhao, Shuaifei]Macquarie Univ, Dept Environm Sci, Fac Sci & Engn, Sydney, NSW 2109, Australia
  • [ 9 ] [Tang, Chuyang Y.]Univ Hong Kong, Dept Civil Engn, Pokfulam HW619B, Hong Kong, Peoples R China
  • [ 10 ] [Van der Bruggen, Bart]Katholieke Univ Leuven, Dept Chem Engn, Proc Engn Sustainable Syst Proc, Celestijnenlaan 200F, B-3001 Leuven, Belgium

Reprint 's Address:

  • 林久养 刘明华

    [Lin, Jiuyang]Fuzhou Univ, Sch Environm & Resources, Qi Shan Campus,2 Xueyuan Rd, Fuzhou 350116, Fujian, Peoples R China;;[Liu, Minghua]Fuzhou Univ, Sch Environm & Resources, Qi Shan Campus,2 Xueyuan Rd, Fuzhou 350116, Fujian, Peoples R China

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Source :

SEPARATION AND PURIFICATION TECHNOLOGY

ISSN: 1383-5866

Year: 2018

Volume: 197

Page: 27-35

5 . 1 0 7

JCR@2018

8 . 2 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

ESI HC Threshold:209

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 138

SCOPUS Cited Count: 144

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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