Bioinspired paddy-soil-like superior purification materials for sewage treatment
Bioinspired paddy-soil-like superior purification materials for sewage treatment
复制标题
用于污水处理的仿生稻土优质净化材料
DOI：
10.1016/j.matlet.2019.07.045
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发表时间：
2019-11
影响因子：
3
通讯作者：
Zhenzi Jing
中科院分区：
文献类型：
--
作者：
Yi Li;Fangming Jin;Lili Pan;Mingzhao Cheng;Wenqi Zhang;Zhenzi Jing
受水稻土吸附/降解一体化净化性能的启发，以天然沸石为原料，采用水热法合成了一种仿生水稻土型上级净化材料。托贝莫来石和羟基磷灰石的形成使其抗弯强度高达12 MPa，并具有对污染物的吸附性能。在污水处理实验中，沸石基材料对COD和NH 4+的饱和吸附去除率分别为34.6%（364 ~ 238 mg/L）和26.3%（46.6 ~ 34.3 mg/L）。生物负荷后，COD和NH 4+的去除率分别达到93.4%（从364 mg/L提高到24 mg/L）和81.1%（从46.6 mg/L提高到8.8 mg/L），反映了吸附和进一步降解的综合作用。NO3-/NO2-的变化表明，基质中的各种微生物确实有助于连续有效的净化性能。
Inspired by the integrated adsorption/degradation purification performances of paddy soil, a biomimetic paddy-soil-like superior purification material has been hydrothermally synthesized from natural zeolites. The formations of tobermorite and hydroxyapatite benefited the flexural strength up to 12 MPa and adsorptive properties to contaminants. In sewage treatment experiments, the zeolite-based materials achieved the limited removal rates of 34.6% (from 364 to 238 mg/L) and 26.3% (from 46.6 to 34.3 mg/L) respectively for COD and NH4+due to saturation adsorption. After bioburden, the removal rate of COD and NH4+increased significantly to 93.4% (from 364 to 24 mg/L) and 81.1% (from 46.6 to 8.8 mg/L), reflecting the integrated function of adsorption and further degradation. The variations of NO3−/NO2−showed that various microorganisms within the matrix did contribute to the continuous and efficient purification performance.
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影响因子：
12.8
作者：
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通讯作者：
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