Phytoextraction and the economic perspective of phytomining of heavy metals

Ali, Akbar; Guo, Di; Mahar, Amanullah; Ping, Wang; Wahid, Fazli; Shen, Feng; Li, Ronghua; Zhang, Zengqiang

doi:10.5194/se-2017-75

Cited by 8 publications

(11 citation statements)

References 3 publications

(3 reference statements)

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“…Meanwhile, Au is insoluble in the soil. This fact has made Au agromining has bigger limitations than Ni agromining technology (Shooran et al, 2013;Ali et al, 2017). So, on Au extraction, a chemical fluid is needed to inject Au into the foliage, but the addition of fluid induction has the potential to affect the soil characteristic, including pH, microbial life and potentially cause destructive of soil quality Grčman et al, 2001).…”

Section: Gold Agromining Cultivation Techniquesmentioning

confidence: 99%

“…A number of chemical liquids have been considered to be the potential induction fluids, as shown in Table 1 (Gardea-Torresdey et al, 2005;Wilson-Corral et al, 2012). However, the safety control for the environment has to get more attention because some fluids injection have a high level of toxicity, such as potassium cyanide (MacDonald, 2015;Ali et al, 2017;Jaszcczak et al, 2017).…”

Section: Gold Agromining Cultivation Techniquesmentioning

confidence: 99%

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Future direction of Au agromining on how to solve artisanal and small scale gold mining problems

Hamdan

Rahmi

Hafidz

et al. 2021

J.Degrade.Min.Land Manage.

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Indonesia is one of the countries with the largest Au deposited. Gold mining has been the backbone of Indonesia’s economy. However, Indonesia also faces huge problems of Artisanal and Small Scale Gold Mining (ASGM) in a number of areas of Indonesia. A number of problems follow this Au mining method, including environmental, social and economic problems. Green innovation and technologies are needed to solve the problems. To date, Au agromining has been considered as a technology that can solve the numerical problems of Au conventional mining in the sector mentioned before. Gold agromining also has been proposed as a solution for the ASGM problem in Indonesia. However, until now, there have been no reports on the use of Au agromining technology in Indonesia. In fact, agromining research has been very advanced and is considered very prospective. This paper outlines the potentials of Au agromining to be implemented in Indonesia to overcome the social and environmental problems of ASGM.

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Section: Gold Agromining Cultivation Techniquesmentioning

confidence: 99%

Section: Gold Agromining Cultivation Techniquesmentioning

confidence: 99%

Future direction of Au agromining on how to solve artisanal and small scale gold mining problems

Hamdan

Rahmi

Hafidz

et al. 2021

J.Degrade.Min.Land Manage.

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“…However, anthropogenic activities over the years have added large amounts of heavy metals to the environment, and thus they have clearly exceeded the previously low quantities in which they were encountered. Heavy urbanization and industrialization, intensive mining and smelting activities, and the overuse of pesticides and other chemical additives in the agricultural sector have had a huge Agriculture 2022, 12, 238 2 of 19 input into the degradation of vast areas by heavy metal contamination [6,7]. According to a review article by Panagos et al [8], an impressive number of 1,170,000 European sites were suspected as being contaminated until 2011.…”

Section: Introductionmentioning

confidence: 99%

“…However, phytoremediation research is required as the effectiveness of the technique is highly dependent on the plant species used. Identifying the correct species, specifically adapted and tolerant to the environmental conditions of the contaminated site, among other factors, is one of the core parameters that will determine the success of phytoremediation projects [6,15,16].…”

Section: Introductionmentioning

confidence: 99%

Utilizing Mediterranean Plants to Remove Contaminants from the Soil Environment: A Short Review

Solomou¹,

Germani

Proutsos³

et al. 2022

Agriculture

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The use of contaminated soils in food production imposes the need for the reduction in heavy metals concentrations, using various techniques, in order to eliminate the toxic effects of pollution and ensure safety in the consumption of agricultural products. Phytoremediation is a promising, effective, and publicly acceptable method to remove soils’ toxicity. This study aims to investigate the current knowledge on plants’ metal tolerance mechanisms, the use of Mediterranean plants in phytoremediation, and the economic perspective for its application on large scales. A total of 166 research studies were systematically reviewed, based on the Preferred Reporting Items for Systematic Review and Meta-Analysis (PRISMA) guidelines. The findings indicate that phytoremediation has more advantages compared to other techniques. It can be a sustainable and affordable option, especially for developing countries, due to the relatively low application and maintenance costs. Many hyperaccumulating plants have been identified that can be used in soil cleansing, enhancing the applicability and replicability of the method. The selection of the appropriate plant species is based on their specific physiological characteristics to remove undesirable elements from the soils and, in certain cases, there is a preference for use of non-native species. However, such species may exhibit invasive behaviors, introducing high uncertainties and risks in the preservation of local ecosystems, especially in the Mediterranean zone, since they can have a serious impact on the environmental and ecological dynamics of the local plant communities. The use of native plants is generally more advantageous since they are better acclimated, have no effects on the local ecological balance, and can eliminate the legal restrictions for their use (seed availability, planting, etc.).

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“…As discussed previously by Chaney et al (2010), addition of chelating agents to promote plant uptake of soil metals is neither cost effective nor environmentally acceptable. Nowack et al (2006) provides a thorough review of the environmental risks of using chelating agents to induce phytoextraction: ultimately, more metals are leached than are absorbed by plants. We obtained information to make a new estimate of the cost of applying EDTA for induced phytoextraction.…”

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confidence: 99%

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Anonymous

2017

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Phytoextraction and the economic perspective of phytomining of heavy metals

Abstract: Abstract:The world rapid growing population, expanding economics and anthropogenic 13 activities contribute to heavy metals pollution, which are non-biodegradable, persistent and

Cited by 8 publications

References 3 publications

Future direction of Au agromining on how to solve artisanal and small scale gold mining problems

Future direction of Au agromining on how to solve artisanal and small scale gold mining problems

Utilizing Mediterranean Plants to Remove Contaminants from the Soil Environment: A Short Review

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