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. 2016 Aug 12;6(2):167. doi: 10.1007/s13205-016-0481-z

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© The Author(s) 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 2 — a Scanning electron microscopy (SEM) of the coffee pulp waste (CPW) surface. A Untreated CPW; B pre-treated with NaOH, corncob (CC) surface. C untreated CC; D pre-treated with NaOH, b FTIR of the coffee pulp waste (CPW). A untreated CPW; B pre-treated with NaOH, corncob (CC); C untreated CC; D pre-treated with NaOH

Fig. 2 — a Scanning electron microscopy (SEM) of the coffee pulp waste (CPW) surface. A Untreated CPW; B pre-treated with NaOH, corncob (CC) surface. C untreated CC; D pre-treated with NaOH, b FTIR of the coffee pulp waste (CPW). A untreated CPW; B pre-treated with NaOH, corncob (CC); C untreated CC; D pre-treated with NaOH