ArticleEnvironmental science and pollution research international2017
Removal of Cr(VI) by surfactant modified Auricularia auricula spent substrate: biosorption condition and mechanism.
Article in Environmental science and pollution research international, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 34 citations in OpenAlex.
- Mushrooms in climate change mitigation: a comprehensive review.Frontiers in microbiology · 2025Review
- Removal of yttrium from rare-earth wastewater by Serratia marcescens: biosorption optimization and mechanisms studies.Scientific reports · 2022Article
- Microwave-Assisted Rapid Synthesis of Reduced Graphene Oxide-Based Gum Tragacanth Hydrogel Nanocomposite for Heavy Metal Ions Adsorption.Nanomaterials (Basel, Switzerland) · 2020Article
- Spent mushroom substrate combined with alkaline amendment passivates cadmium and improves soil property.Environmental science and pollution research international · 2020Article
- Phytostabilization of Pb-Zn Mine Tailings withMolecules (Basel, Switzerland) · 2020Article
- Chromium (VI) biosorption by Saccharomyces cerevisiae subjected to chemical and thermal treatments.Environmental science and pollution research international · 2018Article
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10 authors at 1 institution in 1 country.
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Abstract
Auricularia auricula spent substrate (AASS) modified by didodecyldimethylammonium bromide(DDAB) was used as adsorbent to remove Cr(VI) from aqueous solution. Based on a single-factor experiment and response surface methodology, the optimal conditions were adsorbent dosage of 1.5 g/L, pH value of 4.0, initial Cr(VI) concentration of 19 mg/L, temperature of 25 °C, biosorption time of 120 min, rotational speed of 150 r/min, respectively, under which biosorption capacity could reach 12.16 mg/g compared with unmodified AASS (6.058 mg/g). DDAB modification could enlarge the specific surface area and porous diameter of the adsorbents, and supply hydrophilic and hydrophobic groups capable of adsorbing at the interfaces. In addition, DDAB increased ionic exchange and complex formation demonstrated by variations of elemental contents, shifts of carboxyl, amine groups, hydroxyl, alkyl chains, and phosphate groups as well as the crystal structure of the Cr-O compounds. Variations of peaks and energy in XPS analysis also testified the reduction of Cr(VI) to Cr(III).The biosorption behavior of modified AASS was in line with Langmuir and Freundlich isotherm equation. The final regeneration efficiency was 62.33% after three biosorption-desorption cycles. Apparently, DDBA is a eximious modifier and DDBA-modified AASS was very efficient for Cr(VI) removal.
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