References
- Agrafioti E, Kalderis D, Diamadopoulos E. 2014. Arsenic and chromium removal from water using biochars derived from rice husk, organic solid wastes and sewage sludge. J Environ Manage. 133:309–314. doi:https://doi.org/10.1016/j.jenvman.2013.12.007
- Aguiar MRMPd, Novaes AC, Guarino AWS. 2002. Remoção de metais pesados de efluentes industriais por aluminossilicatos. Quím Nova. 25(6b):1145–1154. doi:https://doi.org/10.1590/S0100-40422002000700015
- Ahmaruzzaman M, Gupta VK. 2011. Rice husk and its ash as low-cost adsorbents in water and wastewater treatment. Ind Eng Chem Res. 50(24):13589–13613. doi:https://doi.org/10.1021/ie201477c
- Ahmed I, Attar SJ, Parande MG. 2012. Removal of hexavalent chromium (Cr (VI)) from industrial wastewater by using biomass adsorbent (Rice Husk Carbone). Int J Adv Eng Res. I(II):92–94.
- Altun T, Kar Y. 2016. Removal of Cr(VI) from aqueous solution by pyrolytic charcoals. Xinxing Tan Cailiao/New Carbon Mater. 31(5):501–509. doi:https://doi.org/10.1016/S1872-5805(16)60028-8
- American Public Health Association. 1995. Standard Methods for the Examination of Water and Wastewater. 19th ed. New York: American Public Health Association.
- Attari M, Bukhari SS, Kazemian H, Rohani S. 2017. A low-cost adsorbent from coal fly ash for mercury removal from industrial wastewater. J Environ Chem Eng. 5(1):391–399. doi:https://doi.org/10.1016/j.jece.2016.12.014
- Babel S, Kurniawan TA. 2004. Cr(VI) removal from synthetic wastewater using coconut shell charcoal and commercial activated carbon modified with oxidizing agents and/or chitosan. Chemosphere. 54(7):951–967. doi:https://doi.org/10.1016/j.chemosphere.2003.10.001
- Bielicka A, Bojanowska I, Wiśniewski A. 2005. Two faces of chromium - Pollutant and bioelement. Polish J Environ Stud. 14:5–10.
- Burakov AE, Galunin EV, Burakova IV, Kucherova AE, Agarwal S, Tkachev AG, Gupta VK. 2018. Adsorption of heavy metals on conventional and nanostructured materials for wastewater treatment purposes: a review. Ecotoxicol Environ Saf. 148:702–712. doi:https://doi.org/10.1016/j.ecoenv.2017.11.034
- CONAMA. 2011. Resolução N° 430, de 13 De Maio De 2011.
- Costa TMH, Gallas MR, Benvenutti EV, Da Jornada JAH. 1997. Infrared and thermogravimetric study of high pressure consolidation in alkoxide silica gel powders. J Non-Cryst Solids. 220(2–3):195–201. doi:https://doi.org/10.1016/S0022-3093(97)00236-6
- da Silva Ries LA, Silveira JHd. 2019. Remoção de Cr(VI) por adsorção empregando carvão ativado comercial e carvão vegetal produzido a partir da casca de arroz. BJD. 5(6):6477–6494. doi:https://doi.org/10.34117/bjdv5n6-148
- Dehghani MH, Sanaei D, Ali I, Bhatnagar A. 2016. Removal of chromium(VI) from aqueous solution using treated waste newspaper as a low-cost adsorbent: kinetic modeling and isotherm studies. J Mol Liq. 215:671–679. doi:https://doi.org/10.1016/j.molliq.2015.12.057
- Della VP, Hotza D, Junkes JA, De Oliveira APN. 2006. Estudo comparativo entre sílica obtida por lixívia ácida da casca de arroz e sílica obtida por tratamento térmico da cinza de casca de arroz. Quim Nova. 29:1175–1179. https://doi.org/10.1590/s0100-40422006000600005.
- Ding D, Ma X, Shi W, Lei Z, Zhang Z. 2016. Insights into mechanisms of hexavalent chromium removal from aqueous solution by using rice husk pretreated using hydrothermal carbonization technology. RSC Adv. 6(78):74675–74682. doi:https://doi.org/10.1039/C6RA17707G
- Dotto GL, McKay G. 2020. Current scenario and challenges in adsorption for water treatment. J Environ Chem Eng. 8(4):103988. doi:https://doi.org/10.1016/j.jece.2020.103988
- El Halal SLM, Colussi R, Deon VG, Pinto VZ, Villanova FA, Carreño NLV, Dias ARG, Zavareze EDR. 2015. Films based on oxidized starch and cellulose from barley. Carbohydr Polym. 133:644–653. doi:https://doi.org/10.1016/j.carbpol.2015.07.024
- Enniya I, Rghioui L, Jourani A. 2018. Adsorption of hexavalent chromium in aqueous solution on activated carbon prepared from apple peels. Sustain Chem Pharm. 7:9–16. doi:https://doi.org/10.1016/j.scp.2017.11.003
- Fernandes IJ, Calheiro D, Santos ECAd, Moraes CAM, Rocha TLAdC, Kieling AG, Brehm FA. 2018. Tratamento de Cinza de Casca de Arroz por Lixiviação Ácida, in: ABM Proceedings. Editora Blucher, São Paulo, pp. 2209–2216. doi:https://doi.org/10.5151/1516-392x-27067.
- Fidalgo A, Ilharco LM. 2001. The defect structure of sol-gel-derived silica/polytetrahydrofuran hybrid films by FTIR. J Non-Cryst Solids. 283(1–3):144–154. doi:https://doi.org/10.1016/S0022-3093(01)00418-5
- Foletto EL, Hoffmann R, Hoffmann RS, Portugal UL, Jahn SL. 2005. Aplicabilidade das cinzas da casca de arroz. Quím Nova. 28(6):1055–1060. doi:https://doi.org/10.1590/S0100-40422005000600021
- Food and Agriculture Organization. 2018. Food and agriculture organization of the united nations - Production of rice paddy [WWW Document]. http://www.fao.org/faostat/en/#data/QC/visualize. Accessed 2018 July 30.
- Georgieva VG, Tavlieva MP, Genieva SD, Vlaev LT. 2015. Adsorption kinetics of Cr(VI) ions from aqueous solutions onto black rice husk ash. J Mol Liq. 208:219–226. doi:https://doi.org/10.1016/j.molliq.2015.04.047
- Ghosh R. 2013. A review study on precipitated silica and activated carbon from rice husk. J Chem Eng Process Technol. 4(4):1–7. doi:https://doi.org/10.4172/2157-7048.1000156.
- Gregg S, Sing K. 1982. Adsorption, surface area and porosity, 2nd ed. London: Academic Press.
- Hamadi NK, Chen XD, Farid MM, Lu MGQ. 2001. Adsorption kinetics for the removal of chromium(VI) from aqueous solution by adsorbents derived from used tyres and sawdust. Chem Eng J. 84(2):95–105. doi:https://doi.org/10.1016/S1385-8947(01)00194-2
- Ho YS, McKay G. 2000. The kinetics of sorption of divalent metal ions onto sphagnum moss peat. Water Res. 34(3):735–742. doi:https://doi.org/10.1016/S0043-1354(99)00232-8
- Kannan N, Sundaram MM. 2001. Kinetics and mechanism of removal of methylene blue by adsorption on various carbons - A comparative study. Dye Pigment. 51(1):25–40. doi:https://doi.org/10.1016/S0143-7208(01)00056-0
- Karthikeyan T, Rajgopal S, Miranda LR. 2005. Chromium(VI) adsorption from aqueous solution by Hevea Brasilinesis sawdust activated carbon. J Hazard Mater. 124(1–3):192–199. doi:https://doi.org/10.1016/j.jhazmat.2005.05.003
- Khandaker S, Kuba T, Kamida S, Uchikawa Y. 2017. Adsorption of cesium from aqueous solution by raw and concentrated nitric acid-modified bamboo charcoal. J Environ Chem Eng. 5(2):1456–1464. doi:https://doi.org/10.1016/j.jece.2017.02.014
- Kieling AG, Mendel T, Caetano MO. 2019. Efficiency of rice husk ash to adsorb chromium(VI) using the Allium cepa toxicity test. Environ Sci Pollut Res Int. 26(28):28491–28499. doi:https://doi.org/10.1007/s11356-018-3722-3
- Lin C, Luo W, Luo T, Zhou Q, Li H, Jing L. 2018. A study on adsorption of Cr (VI) by modified rice straw: characteristics, performances and mechanism. J Clean Prod. 196:626–634. doi:https://doi.org/10.1016/j.jclepro.2018.05.279
- Liu SX, Chen X, Chen XY, Liu ZF, Wang HL. 2007. Activated carbon with excellent chromium(VI) adsorption performance prepared by acid-base surface modification. J Hazard Mater. 141(1):315–319. doi:https://doi.org/10.1016/j.jhazmat.2006.07.006
- Lopes MFdL, Lopes AdM. 2008. Aspectos Qualitativos e Nutricionais do Arroz. ENCONTRO TÉCNICO “TECNOLOGIAS PARA A PRODUÇÃO ARROZ NO SUDESTE PARAENSE”, 1., 2008, São Geraldo do Araguaia. An. Artig. e palestras. Belém, PA: Embrapa Amaz. Orient. 2008. p. 105–120.
- Martini S, Afroze S, Ahmad Roni K. 2020. Modified eucalyptus bark as a sorbent for simultaneous removal of COD, oil, and Cr(III) from industrial wastewater. Alex Eng J. 59(3):1637–1648. doi:https://doi.org/10.1016/j.aej.2020.04.010
- Mitra T, Bar N, Das SK. 2019. Rice husk: green adsorbent for Pb(II) and Cr(VI) removal from aqueous solution—column study and GA–NN modeling. SN Appl Sci. 1(5):1–15. doi:https://doi.org/10.1007/s42452-019-0513-5
- Moayedi H, Aghel B, Abdullahi MM, Nguyen H, Safuan A Rashid A. 2019. Applications of rice husk ash as green and sustainable biomass. J Clean Prod. 237:117851. doi:https://doi.org/10.1016/j.jclepro.2019.117851
- Mor S, Chhoden K, Ravindra K. 2016. Application of agro-waste rice husk ash for the removal of phosphate from the wastewater. J Clean Prod. 129:673–680. doi:https://doi.org/10.1016/j.jclepro.2016.03.088
- Nascimento RFd, Lima ACAd, Vidal CB, Melo DdQ, Raulino GSC. 2014. Adsorção: Aspectos teóricos e aplicações ambientais, 1st ed. Fortaleza: Imprensa Universitária.
- Paraginski RT, Ziegler V, Talhamento A, Elias MC, Oliveira Md. 2014. Propriedades tecnológicas e de cocção em grãos de arroz condicionados em diferentes temperaturas antes da parboilização. Braz J Food Technol. 17(2):146–153. doi:https://doi.org/10.1590/bjft.2014.021
- Ponou J, Kim J, Wang LP, Dodbiba G, Fujita T. 2011. Sorption of Cr(VI) anions in aqueous solution using carbonized or dried pineapple leaves. Chem Eng J. 172(2–3):906–913. doi:https://doi.org/10.1016/j.cej.2011.06.081
- Rahaman MA, Akther N, Patwary MAM. 2015. Comparative adsorption study on rice husk and rice husk ash by using amaranthus gangeticus pigments as dye. Eur Sci J. 11:254–265.
- Raposo F, De La Rubia MA, Borja R. 2009. Methylene blue number as useful indicator to evaluate the adsorptive capacity of granular activated carbon in batch mode: influence of adsorbate/adsorbent mass ratio and particle size. J Hazard Mater. 165(1–3):291–299. doi:https://doi.org/10.1016/j.jhazmat.2008.09.106
- Roisnel T, Rodríquez-Carvajal J. 2001. WinPLOTR: a windows tool for powder diffraction pattern analysis. MSF. 378–381:118–123. doi:https://doi.org/10.4028/www.scientific.net/MSF.378-381.118
- Salas J, Gómez G, Veras J. 1986. Hormigones con ceniza de cascara de arroz (R.H.A.). Inf Constr. 38(385):31–41. doi:https://doi.org/10.3989/ic.1986.v38.i385.1692
- Sharma DC, Forster CF. 1994. A preliminary examination into the adsorption of hexavalent chromium using low-cost adsorbents. Bioresour Technol. 47(3):257–264. doi:https://doi.org/10.1016/0960-8524(94)90189-9
- Singha B, Das SK. 2011. Biosorption of Cr(VI) ions from aqueous solutions: kinetics, equilibrium, thermodynamics and desorption studies. Colloids Surf B Biointerfaces. 84(1):221–232. doi:https://doi.org/10.1016/j.colsurfb.2011.01.004
- Singh SR, Singh AP. 2012. Treatment of water containing chromium (VI) using rice husk carbon as a newlow cost adsorbent. Int J Environ Res. 6:917–924. doi:https://doi.org/10.22059/ijer.2012.562.
- Singh V, Singh J, Mishra V. 2021. Development of a cost-effective, recyclable and viable metal ion doped adsorbent for simultaneous adsorption and reduction of toxic Cr (VI) ions. J Environ Chem Eng. 9(2):105124. doi:https://doi.org/10.1016/j.jece.2021.105124
- Song M, Wei Y, Cai S, Yu L, Zhong Z, Jin B. 2018. Study on adsorption properties and mechanism of Pb2+ with different carbon based adsorbents. Sci Total Environ. 618:1416–1422. doi:https://doi.org/10.1016/j.scitotenv.2017.09.268
- Srivastava V, Weng CH, Sharma YC. 2013. Application of a thermally modified agrowaste material for an economically viable removal of Cr(VI) from aqueous solutions. J Hazard Toxic Radioact Waste. 17(2):125–133. doi:https://doi.org/10.1061/(ASCE)HZ.2153-5515.0000168
- Wan Ngah WS, Hanafiah MAKM. 2008. Removal of heavy metal ions from wastewater by chemically modified plant wastes as adsorbents: a review. Bioresour Technol. 99(10):3935–3948. doi:https://doi.org/10.1016/j.biortech.2007.06.011
- Weidinger A, Hermans PH. 1961. On the determination of the crystalline fraction of isotactic polypropylene from x‐ray diffraction. Makromol Chem. 50(1):98–115. doi:https://doi.org/10.1002/macp.1961.020500107
- Wright AF, Leadbetter AJ. 1975. The structures of the β-cristobalite phases of SiO2 and A1PO4. Philos Mag. 31(6):1391–1401. doi:https://doi.org/10.1080/00318087508228690
- Wu Y, Ming Z, Yang S, Fan Y, Fang P, Sha H, Cha L. 2017. Adsorption of hexavalent chromium onto Bamboo Charcoal grafted by Cu2+-N-aminopropylsilane complexes: optimization, kinetic, and isotherm studies. J Ind Eng Chem. 46:222–233. doi:https://doi.org/10.1016/j.jiec.2016.10.034
- Xiong L, Sekiya EH, Sujaridworakun P, Wada S, Saito K. 2009. Burning temperature dependence of rice husk ashes in structure and property. J Met Mater Miner. 19:95–99.
- Yi Y, Tu G, Zhao D, Tsang PE, Fang Z. 2019. Biomass waste components significantly influence the removal of Cr(VI) using magnetic biochar derived from four types of feedstocks and steel pickling waste liquor. Chem Eng J. 360:212–220. doi:https://doi.org/10.1016/j.cej.2018.11.205
- Zeljkovic S, Penavin-Skundric J, Jelic D, Sladojevic S, Vasiljevic L. 2015. Interaction of hexavalent chromium and BSCF perovskite in water solutions. Zas Mat. 56(3):340–344. doi:https://doi.org/10.5937/ZasMat1503340Z
- Zhao N, Wei N, Li J, Qiao Z, Cui J, He F. 2005. Surface properties of chemically modified activated carbons for adsorption rate of Cr (VI). Chem Eng J. 115(1–2):133–138. doi:https://doi.org/10.1016/j.cej.2005.09.017