Removal Potential of Basic Dyes and Lead from Water by Brewer's Yeast Biomass

被引：6

作者：

Lin, Han-Hui ^{[1
]}

Inbaraj, B. Stephen ^{[1
]}

Kao, Tsai-Hua ^{[1
]}

机构：

[1] Fu Jen Catholic Univ, Dept Food Sci, New Taipei, Taiwan

来源：

JOURNAL OF THE AMERICAN SOCIETY OF BREWING CHEMISTS | 2019年 / 77卷 / 01期

关键词：

Basic dye; bioadsorbent; Brewer's yeast biomass; lead; HEAVY-METALS; SACCHAROMYCES-CEREVISIAE; AQUEOUS-SOLUTION; EQUILIBRIUM; BIOSORPTION; ADSORPTION;

D O I：

10.1080/03610470.2018.1561794

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

The brewing by-product brewer's yeast biomass (BYB) was evaluated as a bioadsorbent for removal of basic dyes and lead from aqueous solutions. The functional groups including the hydroxyl group and cyano group are the major sources of adsorption by BYB. The adsorption of dyes on BYB was negatively correlated with temperature, whereas with lead, it was positively correlated with temperature. The adsorption kinetic of methylene blue (MB), malachite green (MG), and lead on BYB were identified as pseudo-second order, whereas safranin O (SO) was identified as pseudo-first order. A low dosage of BYB effectively adsorbed four adsorbates and reached equilibrium in 3-5 min. The maximum monolayer adsorption capacities of BYB for MB, MG, SO, and lead were 212.05, 212.05, 76.77, and 106.88 mg/g, respectively.

引用

页码：30 / 39

页数：10

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