Distribution of organochlorine pesticide pollution in water, sediment, mollusk, and fish at Saguling Dam, West Java, Indonesia

Oginawati, Katharina; Susetyo, Septian Hadi; Rahmawati, Sri Intan; Kurniawan, Setyo Budi; Abdullah, Siti Rozaimah Sheikh

doi:10.1007/s43188-021-00094-1

Cited by 21 publications

(13 citation statements)

References 39 publications

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“…Organochlorines have been widely used as pesticides and wood treatment chemicals. ,, Their contamination of soil, water, and food products are of concern. − Advanced oxidation processes such as photocatalysis are quite effective in the remediation of such organochlorines . In order to utilize the photocatalytic oxidation, we employed a model pollutant, 4-chlorophenol (CP), in the CEL compartment along with NP solution in the AEL compartment.…”

Section: Resultsmentioning

confidence: 99%

A Bipolar CdS/Pd Photocatalytic Membrane for Selective Segregation of Reduction and Oxidation Processes

2021

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A photocatalytically active bipolar membrane consisting of a CdS photocatalyst and Pd electrocatalyst has been constructed to carry out environmentally relevant oxidation and reduction processes. The ion exchange property of a bipolar membrane (BPM) has allowed us to load the CdS photocatalyst on one side and Pd electrocatalyst on the other side. By inserting the photocatalytic BPM-CdS/Pd membrane between the two compartments of an H-cell, we can separate the reduction and oxidation processes. Following visible light excitation of CdS in the BPM-CdS/Pd membrane, we can induce vectorial electron transfer from CdS to Pd and to an electron acceptor (4-nitrophenol). The holes generated at CdS are scavenged by ethanol or 4-chlorophenol. The photocatalytic reduction rate dependence on the Pd loading in the membrane as well as its effect on modulating the rates of electron and hole transfer processes are discussed. The design of a semiconductor and metal loaded membrane paves the way for improving selectivity and efficiency of photocatalytic processes.

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Section: Resultsmentioning

confidence: 99%

A Bipolar CdS/Pd Photocatalytic Membrane for Selective Segregation of Reduction and Oxidation Processes

2021

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“…Heavy metals and trace elements can bioaccumulate in edible portion of plant or livestock feeding on grasses or scavenging animals like local pigs, which can later make their way into the food chains (30, 88). Furthermore, farmers in permanent contact with the soil are exposed to inhalation and dermal contact (89). As heavy metals and trace elements contamination even in minimal concentration can cause serious health risks, efficient and regular monitoring as well as regulations enforcement measures are eminent in urban and peri-urban agro-systems in Nairobi city catchment.…”

Section: Discussionmentioning

confidence: 99%

Heavy metals and trace elements contamination risks in peri-urban agricultural soils in Nairobi city catchment, Kenya

et al. 2023

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IntroductionWith urbanization and industrialization in the developing world, urban and peri-urban agriculture is increasingly contributing to urban food systems, employment, and income generation opportunities. However, urbanization and industrialization may release harmful pollutants, including heavy metals and trace elements into agricultural soils, posing ecological, environmental and public health concerns. This paper assessed the potential risks of soil contamination with heavy metals and trace elements in peri-urban farmlands in Nairobi city catchment in Kenya. MethodsA total of 60 soil samples were collected from ten vegetable farming zones (S1-S10) and processed following standard protocols. The concentrations of As, Cd, Co, Cr, Cu, Fe, Hg, Mn, Ni, Pb, V and Zn were analyzed in the samples using inductively coupled plasma-mass spectrometry (ICP-MS). Results and discussionResults revealed that the soil samples have elevated concentrations of As, Cd, Co, Cr, Cu, Fe, Hg, Mn, Ni, Pb, V and Zn, with some elements including As (1.7%), Cd (13.3%), Mn (80%), Pb (1.7%) and Zn (11.7%) exceeding the permissible thresholds for agricultural soils. The spatial distribution of the elements exhibited three similar distribution patterns with slight variations between the hotspot sites of the different elements: (i) Co and Mn, (ii) Cu and Cr and (iii) As, Cd, Fe, Hg, Pb and Zn, while Ni and V exhibited singular spatial distributions compared to other elements. Elements such as As, Cd, Co, Fe, Hg, Mn, Pb and Zn appeared to be of anthropogenic enrichment, while Cr, Cu, Ni and V appeared to originate mainly from lithogenic and natural sources. The elements As, Cd, Hg and Pb exhibited high ecological risks, with Cd contributing about 46-66% of the overall ecological risk. The sampling sites S1, S5, S7, S9 and S10 depicted the highest ecological risks of 145, 103, 146, 121 and 146, respectively. The findings call for proper zoning of suitable agricultural areas and sound waste management protocols in urban and peri-urban landscapes. Further, remediation of contaminated soils and farmers’ sensitization are recommended for ecological and public health risk alleviation.

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“…HAA and THM are the by-products of chlorination as hypochlorous acid interact with natural organic matter in the sea/brackish water ( de Vera et al., 2016 ; Huang and Shah, 2018 ). These chemicals are listed as toxic compounds, which may affect the ecosystems in the receiving port during the discharge of ballast water ( Oginawati et al., 2021a , 2021b ; US-EPA, 1998 ).…”

Section: Potential Release and Accumulation Of Dbps In The Receiving ...mentioning

confidence: 99%

Ecological impacts of ballast water loading and discharge: insight into the toxicity and accumulation of disinfection by-products

Kurniawan

Pambudi

Ahmad³

et al. 2022

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Distribution of organochlorine pesticide pollution in water, sediment, mollusk, and fish at Saguling Dam, West Java, Indonesia

Cited by 21 publications

References 39 publications

A Bipolar CdS/Pd Photocatalytic Membrane for Selective Segregation of Reduction and Oxidation Processes

A Bipolar CdS/Pd Photocatalytic Membrane for Selective Segregation of Reduction and Oxidation Processes

Heavy metals and trace elements contamination risks in peri-urban agricultural soils in Nairobi city catchment, Kenya

Ecological impacts of ballast water loading and discharge: insight into the toxicity and accumulation of disinfection by-products

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