Cargando…
Suppression of the environmental risks of lead in cropland soil using biomass ash and its modified product
In this work, modified biomass ash (MA), obtained through the hydrothermal treatment technique with biomass ash (BA) and alkaline phosphate as raw materials, was used as a useful soil amendment to reduce the environmental risk of lead and was compared with raw ash. In order to confirm the compositio...
Autores principales: | , , , , , , , |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
RSC
2019
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9417829/ https://www.ncbi.nlm.nih.gov/pubmed/36134240 http://dx.doi.org/10.1039/c9na00001a |
_version_ | 1784776810322460672 |
---|---|
author | Liu, Hongyu Zhou, Zhuangwei Zhang, Yujie Chen, Ningyi Kang, Jingyan Liu, Guijian Hosmane, Narayan S. Wu, Aiguo |
author_facet | Liu, Hongyu Zhou, Zhuangwei Zhang, Yujie Chen, Ningyi Kang, Jingyan Liu, Guijian Hosmane, Narayan S. Wu, Aiguo |
author_sort | Liu, Hongyu |
collection | PubMed |
description | In this work, modified biomass ash (MA), obtained through the hydrothermal treatment technique with biomass ash (BA) and alkaline phosphate as raw materials, was used as a useful soil amendment to reduce the environmental risk of lead and was compared with raw ash. In order to confirm the composition changes from BA to MA, the materials before and after modification were characterized by using transmission electron microscopy (TEM), energy dispersive spectroscopy (EDS), Fourier transform infrared (FT-IR) spectroscopy, and X-ray diffraction (XRD). Subsequently, the suppression of the environmental risks of lead in the contaminated cropland soil by MA and BA was systematically investigated through pH evaluation, toxicity-extraction, and fractional analysis. The results show that needle-like hydroxyapatite nanoparticles were generated during the modification process of BA. After incubation with 5% BA and 5% MA for 60 days, the pH of soil samples increased from 5.46 to 7.20 and 6.83, respectively; the lead concentration by TCLP extraction decreased by about 52.6% and 95.2%, respectively. And the content of lead bound to RES increased from 36.28% to 49.09% and 59.58%, respectively. MA showed higher immobilization efficiency, better immobilization stability, and less disturbance to the soil pH than BA, and it can suppress the environmental risk of lead below the standard toxicity level. These results undoubtedly demonstrate that BA has great potential in the practical application of remediation of lead contaminated soil, and its modified product may become a useful amendment to suppress and/or eliminate the high environmental risk of lead by transforming industrial waste into useful nanomaterials for green environmental chemistry. |
format | Online Article Text |
id | pubmed-9417829 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2019 |
publisher | RSC |
record_format | MEDLINE/PubMed |
spelling | pubmed-94178292022-09-20 Suppression of the environmental risks of lead in cropland soil using biomass ash and its modified product Liu, Hongyu Zhou, Zhuangwei Zhang, Yujie Chen, Ningyi Kang, Jingyan Liu, Guijian Hosmane, Narayan S. Wu, Aiguo Nanoscale Adv Chemistry In this work, modified biomass ash (MA), obtained through the hydrothermal treatment technique with biomass ash (BA) and alkaline phosphate as raw materials, was used as a useful soil amendment to reduce the environmental risk of lead and was compared with raw ash. In order to confirm the composition changes from BA to MA, the materials before and after modification were characterized by using transmission electron microscopy (TEM), energy dispersive spectroscopy (EDS), Fourier transform infrared (FT-IR) spectroscopy, and X-ray diffraction (XRD). Subsequently, the suppression of the environmental risks of lead in the contaminated cropland soil by MA and BA was systematically investigated through pH evaluation, toxicity-extraction, and fractional analysis. The results show that needle-like hydroxyapatite nanoparticles were generated during the modification process of BA. After incubation with 5% BA and 5% MA for 60 days, the pH of soil samples increased from 5.46 to 7.20 and 6.83, respectively; the lead concentration by TCLP extraction decreased by about 52.6% and 95.2%, respectively. And the content of lead bound to RES increased from 36.28% to 49.09% and 59.58%, respectively. MA showed higher immobilization efficiency, better immobilization stability, and less disturbance to the soil pH than BA, and it can suppress the environmental risk of lead below the standard toxicity level. These results undoubtedly demonstrate that BA has great potential in the practical application of remediation of lead contaminated soil, and its modified product may become a useful amendment to suppress and/or eliminate the high environmental risk of lead by transforming industrial waste into useful nanomaterials for green environmental chemistry. RSC 2019-04-08 /pmc/articles/PMC9417829/ /pubmed/36134240 http://dx.doi.org/10.1039/c9na00001a Text en This journal is © The Royal Society of Chemistry https://creativecommons.org/licenses/by-nc/3.0/ |
spellingShingle | Chemistry Liu, Hongyu Zhou, Zhuangwei Zhang, Yujie Chen, Ningyi Kang, Jingyan Liu, Guijian Hosmane, Narayan S. Wu, Aiguo Suppression of the environmental risks of lead in cropland soil using biomass ash and its modified product |
title | Suppression of the environmental risks of lead in cropland soil using biomass ash and its modified product |
title_full | Suppression of the environmental risks of lead in cropland soil using biomass ash and its modified product |
title_fullStr | Suppression of the environmental risks of lead in cropland soil using biomass ash and its modified product |
title_full_unstemmed | Suppression of the environmental risks of lead in cropland soil using biomass ash and its modified product |
title_short | Suppression of the environmental risks of lead in cropland soil using biomass ash and its modified product |
title_sort | suppression of the environmental risks of lead in cropland soil using biomass ash and its modified product |
topic | Chemistry |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9417829/ https://www.ncbi.nlm.nih.gov/pubmed/36134240 http://dx.doi.org/10.1039/c9na00001a |
work_keys_str_mv | AT liuhongyu suppressionoftheenvironmentalrisksofleadincroplandsoilusingbiomassashanditsmodifiedproduct AT zhouzhuangwei suppressionoftheenvironmentalrisksofleadincroplandsoilusingbiomassashanditsmodifiedproduct AT zhangyujie suppressionoftheenvironmentalrisksofleadincroplandsoilusingbiomassashanditsmodifiedproduct AT chenningyi suppressionoftheenvironmentalrisksofleadincroplandsoilusingbiomassashanditsmodifiedproduct AT kangjingyan suppressionoftheenvironmentalrisksofleadincroplandsoilusingbiomassashanditsmodifiedproduct AT liuguijian suppressionoftheenvironmentalrisksofleadincroplandsoilusingbiomassashanditsmodifiedproduct AT hosmanenarayans suppressionoftheenvironmentalrisksofleadincroplandsoilusingbiomassashanditsmodifiedproduct AT wuaiguo suppressionoftheenvironmentalrisksofleadincroplandsoilusingbiomassashanditsmodifiedproduct |