Bioresource Technology 160 (2014) 1–2

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Bioresource Technology journal homepage: www.elsevier.com/locate/biortech

Preface

Biosorption can be generally defined as a passive physiochemical adsorption process in which biomass or biomaterials (either natural or man-made) are used as an adsorbent for separation, purification, or concentration purposes. This is a relatively broad and well developed R&D area with various technological challenges in biosciences and engineering. Biosorption has wide industrial and environmental applications, particularly in removing harmful heavy metals for wastewater treatment and bioremediation. The special issue represents a collection of 25 pioneer research and review articles in biosorption addressing relevant technological topics, including biosorption fundamentals (such as mechanism and thermodynamics), biosorbent design, biosorption operation, bioremediation, wastewater treatment, agricultural applications, and biosorption modeling, etc. While reviewing existing technologies in biosorption, we also intend to identify certain key areas for which more future innovations can be developed. On biosorption fundamentals, Fomina and Gadd (2014) discussed the current perspectives of concept, definition, and applications of biosorption. Huang and Wang (2014) provided an overview on chemical interactions between metal ions and biomass solids. Li and Yu (2014) reviewed the role of extracellular polymer substances in biomass on metal sorption. Liu and Lee (2014) and Birungi and Chirwa (2014) discussed thermodynamics and kinetics aspects, respectively, for biosorption. A new insight to the physical interpretation of activated carbon and iron doped carbon material and its sorption affinity towards organic dye has also been presented (Shah et al., 2014). On biosorbents, the use of biomass or biomass waste was a focus (Abdolali et al., 2014a; Chen et al., 2014a,b; Cobas et al., 2014; He and Chen, 2014; Hossain et al., 2014; Podstawczyk et al., 2014; Wang and Chen, 2014) Also, the pretreated natural materials were used as biosorbents (Dong et al., 2014; Mohan et al., 2014). Surface modification of biomass was discussed in Elwakel et al. (2014) and Won et al. (2014b). Song et al. (2014) reported the adsorption of Hg(II) onto goethite with or without extracellular polymer substances. Abdolali et al. (2014b) proposed a new biosorbent with high metal binding capacity. On applications, use of biosorbents for removing hazardous metals was discussed (Liu et al., 2014; Tan and Ting, 2014). In particular, the use of biosorbent to recover high-value metals was reviewed (Lo et al., 2014; Won et al., 2014a). Witek-Krowiak et al. (2014) and Wang and Chen (2014) commented on the use of simulation tools for adsorption processes. The guest editors appreciate the contributions from all authors, reviewers, colleagues of Elsevier during the preparation of this special issue. In addition, special thanks to the Editor-in-Chief, Professor Ashok Pandey, for providing a valuable publication venue to http://dx.doi.org/10.1016/j.biortech.2014.04.061 0960-8524/Ó 2014 Published by Elsevier Ltd.

promote the achievements of the biosorption professionals from all over the world. References Abdolali, A., Guo, W.S., Ngo, H.H., Chen, S.S., Nguyen, N.C., Tung, K.L., 2014a. Typical lignocellulosic wastes and by-products for biosorption process in water and wastewater treatment: a critical review. Bioresour. Technol. 160, 57–66. Abdolali, A., Ngo, H.H., Guo, W.S., Lee, D.J., Tung, K.L., Wang, X.C., 2014b. Development of evaluation of a new binding biosorbent. Bioresour. Technol. 160, 98–106. Birungi, Z.S., Chirwa, E.M.N., 2014. The kinetics of uptake and recovery of lanthanum using freshwater algae as biosorbents: Comparative analysis. Bioresour. Technol. 160, 43–51. Chen, B.Y., Chen, C.Y., Guo, W.Q., Chang, H.W., Chen, W.M., Lee, D.J., Huang, C.C., Ren, R.Q., Chang, J.S., 2014a. Fixed-bed biosorption of cadmium using immobilized Scenedesmus obliquus CNW-N cells on loofa (Luffa cylindrical) sponge. Bioresour. Technol. 160, 175–181. Chen, Y.L., Hong, X.Q., He, H., Luo, H.W., Qian, T.T., Li, R.Z., Jiang, H., Yu, H.Q., 2014b. Biosorption of Cr(VI) by Typha angustifolia: Mechanism and responses to heavy metal stress. Bioresour. Technol. 160, 89–92. Cobas, M., Sanroman, M.A., Pazos, M., 2014. Box–Behnken methodology for Cr(VI) and leather dyes removal by an eco-friendly biosorbent: F. vesiculosus. Bioresour. Technol. 160, 166–174. Dong, X.D., Wang, C., Li, H., Wu, M., Liao, S.H., Zhang, D., Pan, B., 2014. The sorption of heavy metals on thermally treated sediments with high organic content. Bioresour. Technol. 160, 123–128. Elwakel, K.Z., Atia, A.A., Guibal, E., 2014. Fast removal of uranium from aqueous solutions using tetraethylenepentamine modified magnetic chitosan resin. Bioresour. Technol. 160, 107–114. Fomina, M., Gadd, G.M., 2014. Biosorption: current perspectives on concept, definition and application. Bioresour. Technol. 160, 3–14. He, J.S., Chen, J.P., 2014. A comprehensive review on biosorption of heavy metals by algal biomass: materials, performances, chemistry, and modelling simulation tools. Bioresour. Technol. 160, 67–78. Hossain, M.A., Ngo, H.H., Guo, W.S., Nghiem, L.D., Hai, F.I., Vigneswaran, S., Nguyens, T.C., 2014. Competitive adsorption of metals on cabbage waste from multimetal solutions. Bioresour. Technol. 160, 79–88. Huang, C.P., Wang, J.M., 2014. Specific chemical interactions between metal ions and biological solids exemplified by sludge particulates. Bioresour. Technol. 160, 32–42. Li, W.W., Yu, H.Q., 2014. Insight into the roles of microbial extracellular polymer substances in metal biosorption. Bioresour. Technol. 160, 15–23. Liu, X., Lee, D.J., 2014. Thermodynamic parameters for adsorption equilibrium of heavy metals and dyes from wastewaters. Bioresour. Technol. 160, 24–31. Liu, X., Chen, G.R., Lee, D.J., Kawamoto, T., Tanaka, H., Chen, M.L., Luo, Y.K., 2014. Adsorption removal of cesium from drinking waters: a mini review on use of biosorbents and other adsorbents. Bioresour. Technol. 160, 142–149. Lo, Y.C., Cheng, C.L., Han, Y.L., Chen, B.Y., Chang, J.S., 2014. Recovery of high-value metals from geothermal sites by biosorption and bioaccumulation. Bioresour. Technol. 160, 182–190. Mohan, D., Sarswat, A., Ok, Y.S., Pittman Jr., C.U., 2014. Organic and inorganic contaminants removal from water with biochar, a renewable, low cost and sustainable adsorbent – a critical review. Bioresour. Technol. 160, 191–202. Podstawczyk, D., Witek-Krowiak, Chojnacka, K., Sadowski, Z., 2014. Biosorption of malachite green by eggshells; mechanism identification and process optimization. Bioresour. Technol. 160, 161–165. Shah, I., Adnan, R., Wan Ngah, W.S., Mohamed, N., Taufiq-Yap, Y.H., 2014. A new insight to the physical interpretation of activated carbon and iron doped carbon material: Sorption affinity towards organic dye. Bioresour. Technol. 160, 52–57.

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Preface / Bioresource Technology 160 (2014) 1–2

Song, W.J., Pan, X.L., Mu, S.Y., Zhang, D.Y., Yang, X., Lee, D.J., 2014. Biosorption of Hg(II) onto goethite with extracellular polymeric substances. Bioresour. Technol. 160, 119–122. Tan, W.S., Ting, A.S.Y., 2014. Alginate-immobilized bentonite clay: adsorption efficacy and reusability for Cu(II) removal from aqueous solution. Bioresour. Technol. 160, 115–118. Wang, J.L., Chen, C., 2014. Chitosen-based biosorbents: modification and application for biosorption of heavy metals and radionuclides. Bioresour. Technol. 160, 129–141. Witek-Krowiak, A., Chojnacka, K., Podstawczyk, D., Dawiec, A., Pokomeda, K., 2014. Application of response surface methodology and artificial neural network

methods in modelling and optimization of biosorption process. Bioresour. Technol. 160, 150–161. Won, S.W., Kotte, P., Wei, W., Lim, A., Yun, Y.S., 2014a. Biosorbents for recovery of precious metals. Bioresour. Technol. 160, 203–212. Won, S.W., Kwak, I.S., Yun, Y.S., 2014b. The role of biomass in polyethyleniminecoated chitosan/bacterial biomass composite biosorbent fiber for removal of Ru from acetic acid waste solution. Bioresour. Technol. 160, 93–97.

C. Perry Chou Duu-Jong Lee

Preface. Special issue on biosorption.

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