Leaching of indium from end-of-life LCD panels via catalysis by synergistic microbial communities

Xie, Yaling; Wang, Shuhua; Tian, Xiangjun; Che, Liming; Wu, Xuee; Zhao, Feng

doi:10.1016/j.scitotenv.2018.11.141

Cited by 27 publications

(18 citation statements)

References 23 publications

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“…Recently, the world's indium reserves are around 12,000-13,000 tons, representing only 1/6 of the gold reserves; access to 0.03% indium content is considered a mining value [87,88]. The binary (a) (…”

Section: Recovery Of Indium Tin Oxidementioning

confidence: 99%

Recovery of Metal Oxide Nanomaterials from Electronic Waste Materials

El-Maghrabi

Nada

Soliman

et al. 2021

Topics in Mining, Metallurgy and Materials Engineering

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The exploitation of spent battery and electronic waste for the recovery and preparation of metal oxide nanomaterials (MONMs) is vital for technology, economical, sustainable, and environmental research. The recovery of MONMs through recycling waste materials reduces environmental pollutions and saves the primary resources due to industrial consumption. However, the economic benefits of recycling electronic waste for the recovery of these high-value MONMs have still been debated because of the low purity and stability of recovered materials restricting their commercial use. In this chapter, we discuss the motivation and importance of waste recycling for the recovery of nanomaterials, focusing on the possible techniques that can be applied for the efficient synthesis of commercial-grade MONMs (e.g., ferrites, zinc oxides, indium oxides, tin oxides, etc.) with high purity at a minimal cost. Besides, the profit of recovered MONMs in potential applications for wastewater remediation and renewable energy production are addressed.

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Section: Recovery Of Indium Tin Oxidementioning

confidence: 99%

Recovery of Metal Oxide Nanomaterials from Electronic Waste Materials

El-Maghrabi

Nada

Soliman

et al. 2021

Topics in Mining, Metallurgy and Materials Engineering

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“…They can obtain the oxidizing energy both reduced sulfur compounds and the ferrous ion. There is an increasing amount of new results on the utilization of acidophilic microorganisms in the bioleaching of various types of metal-bearing wastes (Printed Circuit Boards -PCBs, Ni-Cd batteries, Li-ion batteries, spent refinery catalysts) with high efficiency of metals bioleaching (> 90%) (Sedlakova-Kadukova et al, 2017;Willner and Fornalczyk, 2013;Nagar et al, 2021), including valuable In extraction from LCD (Willner et al, 2018;Jowkar et al, 2018;Xie et al, 2019;Rezaei et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

“…Previously, both pure and mixed cultures of Acidithiobacillus tiooxidans and Acidithiobacillus ferrooxidans were used in the recovery of indium, which derive energy from the chemical oxidation of elemental sulfur (they produce sulfuric acid) or oxidation of iron (II) (Jowkar et al, 2018;Xie et al, 2019). Indium bioleaching has been shown to have a good metal recovery potential from spent LCD compared to chemical leaching.…”

Section: Introductionmentioning

confidence: 99%

“…Indium bioleaching has been shown to have a good metal recovery potential from spent LCD compared to chemical leaching. Indium was recovered from waste LCD at 100% in 15 days, with adapted A. thiooxidans (LCD density 1.6% w/v) (Jowkar et al, 2018) or even shorter -in 6 days (Xie et al, 2019) using adapted sulfur Acidithiobacillus (LCD density 1.5% w/v) while the chemical leaching was 74% and 8% respectively. It was also found that 100% efficiency was achieved when adapted A. ferrooxidans (LCD density 2.5% w/v, 10 days) was used, however Xie et al found that they did not obtain any leaching of indium in the presence of A. ferrooxidans.…”

Section: Introductionmentioning

confidence: 99%

“…Previous literature analysing the possibility of recovering metals from LCD material using bacterial leaching is significantly limited. The works relating to bioleaching (Jowkar et al, 2018;Rezaei et al, 2018, Xie et al, 2019 did not take into account the presence of tin, which in 10% as SnO2 is a component of ITO (another 90% is In2O3) in the LCD material. Jowkar et al focused on the recovery In and Sr from LCD screen sources from laptops, where Sr constituted 0.2% of the material.…”

Section: Introductionmentioning

confidence: 99%

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LCD panels bioleaching with pure and mixed culture of Acidithiobacillus

Willner¹,

Fornalczyk²,

Saternus³

et al. 2021

Physicochem. Probl. Miner. Process.

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The influence of pure and mixed culture of A. ferrooxidans and A. tiooxidans as well as different pulp density (1 and 2%) of LCD panels on the In and Sn bioleaching efficiency was investigated. Pulp density is one of the factors affecting the metals extraction efficiency during biological leaching. It has been shown that lower pulp density results in higher indium and tin dissolution. The A. ferrooxidans bioleaching system showed better metal extraction results than A. thiooxidans, especially for tin, indicating the special role of iron and A. ferrooxidans in tin recovery. The highest leaching rate of both indium (94.7%) and tin (98.2%) was obtained using iron and sulfur medium inoculated with mixed bacteria and a pulp density of 1% w/v.

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