去除废水中重金属离子的多孔复合材料的制备

IF 3.8 4区环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES

Water, Air, & Soil Pollution Pub Date : 2025-05-02 DOI:10.1007/s11270-025-08066-z

Zhongwei Liu, Ning An, Xingwu Qiu, Chi Hu

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引用次数: 0

摘要

以普通硅酸盐水泥、粉煤灰和植物蛋白发泡剂为原料，加入吸附剂，调节水胶比和发泡剂稀释比，采用物理发泡法制备开孔泡沫混凝土。当水胶比为0.50，发泡剂稀释比为1:45时，可制得开口孔隙率为53.36%，干密度为309 kg/m3的开孔泡沫混凝土。用NaOH对氧化石墨烯（GO）和泡沫混凝土基体进行改性；这增加了复合材料表面官能团和吸附位点的数量，提高了复合材料的吸附性能。复合材料对Ni（II）的去除率达到96.03%。

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Preparation of a Porous Composite for Removal of Heavy Metal ions from Wastewater

Open-cell foam concrete can be prepared by using ordinary Portland cement, fly ash and vegetable protein foaming agents as raw materials, adding adsorbents, adjusting the water‒binder ratio and the dilution ratio of the foaming agent, and adopting a physical foaming method. When water-binder ratio is 0.50 and the dilution ratio of the foaming agent is 1:45, open-cell foam concrete with an opening porosity of 53.36% and a dry density of 309 kg/m³ can be prepared. Graphene oxide (GO) and the foam concrete matrix were modified with NaOH; this increased the number of surface functional groups and adsorption sites on the composite material and improved its adsorption performance. The removal rate of Ni(II) by the composite material reached 96.03%.

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来源期刊

Water, Air, & Soil Pollution 环境科学-环境科学

CiteScore

4.50

自引率

6.90%

发文量

448

审稿时长

2.6 months

期刊介绍： Water, Air, & Soil Pollution is an international, interdisciplinary journal on all aspects of pollution and solutions to pollution in the biosphere. This includes chemical, physical and biological processes affecting flora, fauna, water, air and soil in relation to environmental pollution. Because of its scope, the subject areas are diverse and include all aspects of pollution sources, transport, deposition, accumulation, acid precipitation, atmospheric pollution, metals, aquatic pollution including marine pollution and ground water, waste water, pesticides, soil pollution, sewage, sediment pollution, forestry pollution, effects of pollutants on humans, vegetation, fish, aquatic species, micro-organisms, and animals, environmental and molecular toxicology applied to pollution research, biosensors, global and climate change, ecological implications of pollution and pollution models. Water, Air, & Soil Pollution also publishes manuscripts on novel methods used in the study of environmental pollutants, environmental toxicology, environmental biology, novel environmental engineering related to pollution, biodiversity as influenced by pollution, novel environmental biotechnology as applied to pollution (e.g. bioremediation), environmental modelling and biorestoration of polluted environments. Articles should not be submitted that are of local interest only and do not advance international knowledge in environmental pollution and solutions to pollution. Articles that simply replicate known knowledge or techniques while researching a local pollution problem will normally be rejected without review. Submitted articles must have up-to-date references, employ the correct experimental replication and statistical analysis, where needed and contain a significant contribution to new knowledge. The publishing and editorial team sincerely appreciate your cooperation. Water, Air, & Soil Pollution publishes research papers; review articles; mini-reviews; and book reviews.