A review on fabricating functional materials by heavy metal–containing sludges

Hou, Hao; Liu, Zixing; Zhang, Jia; Zhou, Jizhi; Qian, Guangren

doi:10.1007/s11356-020-10990-y

Cited by 13 publications

(6 citation statements)

References 157 publications

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“…And, when this product was immersed in water or placed in moist gas, it reconstructed and the process is called "memory effect." Conversely, if the calcination temperature was too high, the spinel will become unrecoverable [13].…”

Section: Pyrolysismentioning

confidence: 99%

“…For example, lekage of heavy metal and organics from the landfill potentially contaminates soil and groundwater; waste incineration reduces only the volume of waste polluting the air; high waste stabilization costs. According to the "3R" rules (Reduce, Reuse, and Recycle), it is urgently necessary to find a method for the utilization of industrial waste [13]. From a long term perspective, landfill is not environmentally benign method and may cause loss in huge amount of valuable resources and leaching of metals resulting serious secondary pollution.…”

Section: Introductionmentioning

confidence: 99%

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Synthesis of nanomaterial from industrial waste and its application in environmental pollutant remediation

Judith

Vasudevan

2021

Environmental Engineering Research

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Increased productions of waste from industries have persuaded in sustainable and naturally stable methods to reuse the waste. Utilization of wastes for the synthesis of nanomaterial is of significant importance due to its extensive variety of uses in various industrial sectors. This review focuses on potential options available for nanomaterial synthesis from waste produced by industrial activities and manufacturing processes. Possible application of industrial waste derived nanomaterial for the expulsion of organic and inorganic contaminants is discussed. Furthermore, the future opportunities and challenges in this emerging research area of converting industrial waste to nanomaterials are addressed.

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Section: Pyrolysismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Synthesis of nanomaterial from industrial waste and its application in environmental pollutant remediation

Judith

Vasudevan

2021

Environmental Engineering Research

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“…The so-called additional metal could be supplied by either a pure reagent or another metal-rich ISW. 102 In order to increase the electrochemical properties, ISWderived Me was embedded in biowaste-derived carbon to form MeC by following two routes to regulate the components and structures. On the one hand, a metal solution was leached from ISW.…”

Section: Hybrid Electrochemical Materialsmentioning

confidence: 99%

“…If one ISW only contained a high content of Si and Ca, such as metallurgical slag, additional metal should be used as a supplement. The so-called additional metal could be supplied by either a pure reagent or another metal-rich ISW …”

Section: Hybrid Electrochemical Materialsmentioning

confidence: 99%

Fabrication of a Sustainable Closed Loop for Waste-Derived Materials in Electrochemical Applications

Zhao

Cui

Zhang

et al. 2021

Ind. Eng. Chem. Res.

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Innovation in the field of electrochemistry usually depends on the development of new electrodes, which are still based on natural resource consumption. Until recently, little work focused on the green and sustainable development of electrochemical materials. In this work, we put forward a closed-loop strategy for utilization of biowastes and industrial solid wastes in electrochemical applications. In order to obtain effective electrochemical catalysts, waste components and structures had to be regulated. If one biowaste was used to produce the electrode, the focus was generally put on controlling a specific surface area, pore size distribution, graphitization degree, and surface chemical characteristics. As for one industrial solid waste, controlling factors were metal doping and morphology/crystallinity. After one metal–carbon hybrid was combined by the above two wastes, it was transformed to metal oxide again by thermal treatment. Similarly, the obtained oxide combined with biowaste again to form another hybrid. A closed loop was thus fabricated. After all, waste-derived materials showed reasonable electrochemical performances, which were in favor of developing a “zero-waste” concept.

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“…These metals will cause groundwater contamination by leachate (Valavanidis et al 2008;Agamuthu 2009;Ozturk et al 2011;Anastasiadou et al 2012;Jawaid & Kaushik 2012;Krishnamurthy & Chella purushothaman 2019). Our culture is gradually conscious of the appropriate ways to treat bio-medical waste, applied to the development of various engineering structures (Al-Rawas et al 2004;Hou et al 2020).…”

Section: Introductionmentioning

confidence: 99%

Reduction of hazardous incinerated bio-medical waste ash and its environmental strain by utilizing in green concrete

Kumar

Muthukannan

Devi

et al. 2021

Water Science and Technology

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Incinerated Bio-Medical Waste Ash (IBWA) is toxic waste material with broad potential (cancer, genetic risk, premature death, permanent disease) to inflict severe health damage for the atmosphere and humans. This waste is disposed of as landfills which contaminate the underground water and environment. The effective way of disposal of IBWA is by utilizing it as a building material which can reduce the hazardous toxic materials. The use of Geopolymer Concrete (GPC) combined with IBWA as a substitute for Ground Granulated Blast Furnace Slag (GGBS) has been researched for its ability to create a new type of Green Concrete. The physical and chemical properties were observed for the raw materials. IBWA was used at 0, 5, 10, 15, 20, 25, 30, 35, 40, 45 and 50% replacement by weight for GGBS. Mixing proportions were 1:2.21:3.48 respectively for GGBS, Manufacturing Sand (M-sand), and coarse aggregate. Fresh properties and Mechanical properties were examined on all specimens. The findings show an increase in the setting time and flow of concrete and a decrease in density with improved utilization of IBWA. On the other hand, IBWA replacement for GGBS enhanced the mechanical properties. These results revealed that IBWA could be partially replaced as source material for Geopolymer Concrete. This research may contribute to the reduction of dangerous IBWA as a building material.

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A review on fabricating functional materials by heavy metal–containing sludges

Cited by 13 publications

References 157 publications

Synthesis of nanomaterial from industrial waste and its application in environmental pollutant remediation

Synthesis of nanomaterial from industrial waste and its application in environmental pollutant remediation

Fabrication of a Sustainable Closed Loop for Waste-Derived Materials in Electrochemical Applications

Reduction of hazardous incinerated bio-medical waste ash and its environmental strain by utilizing in green concrete

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