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Findings implicate that indiscriminate discharge of mining effluents into these farms have contributed immensely to acidic pH as observed from the study. Low acidic pH has also been reported by...
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Zinc is naturally present in the soil, however, its concentrations increase uncharacteristically, owing to industrial/anthropogenic activities like mining, coal, waste combustion, and steel processing. It helps in the formation of growth hormones, enhances heat and frost resistance and acts as catalyst in chlorophyll formation.
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Biology 2022, 11, 1306 22 of 47 4. Bioremediation of Contaminated Sites by Native Microorganisms Coal remains the largest fuel source for power generation worldwide, comprising around 40% of global energy production [96].Mining activities produce a high volume of mine discards and tailings, causing soil erosion, heavy metal contamination, and acid mine drainage.
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Microbiological and Physicochemical Characteristics of the soils of waste collection sites in Port Harcourt city, Nigeria. Nigeria Journal of Soil Science 16,162 - 167. Ogbonna DN, Kii BC, Youdeowei PO. 2009. Some physicochemical and heavy metal levels in soils of waste dump sites in Port Harcourt municipality and environs.
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ments, seawater physicochemical parameters and the influence of nutrient and physicochemi-cal parameters on oxidative stress in Avicennia marina. Antioxidant enzymes such as , GST, and SOD are among the basic stress enzymes [25]. They can modulate plants' growth and physiological activities under environmentally
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Sep 2, 2020The SA final effluent discharge guidelines outline the limits for physical and chemical parameters . Studies have reported that physicochemical parameters have synergetic effects on each other, which have some impact on the water quality [23,46,47,48]. The outcome of the physical parameters (pH, electrical conductivity and suspended solids ...
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Table 3 shows the physicochemical characteristics of soil and effluent samples. There is increase of the physicochemical parameters of the contaminated soil when compared with the control. The mean pH values recorded for contaminated soil and control were 6.1 ± 0.2 and 5.5 ± 0.3 respectively and 7.2 ± 0.5 for the effluent.
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Sep 15, 2022The average values of physicochemical factors in sewage and TSE of the Zabol sewage treatment plant in three months of summer are presented in Table 2. Table 2 Seasonably values of physicochemical ...
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From their findings on the physical and chemical analysis, they observed that water temperature, turbidity, alkalinity, hardness, calcium and magnesium were significantly higher at the effluent discharge point than other section of the stream.
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The physicochemical properties of water from Igun gold mine reservoir in Southwestern, Nigeria were ... Enzyme activities were determined using standard methods. Results show that dissolved oxygen (3.82±0.23 ... Young, 1993). The mining industry, and in particular the gold mining industry, has been using cyanide in its production process for ...
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Rhodanese is a possible enzyme marker for cyanide environmental stress on aquatic life Okonji E ... gold-mining facilities, oil refineries, power plants, and solid waste combustion (Eisler, 1991). ... (Okonji et al., 2010), effluent from industries and poor sewage disposal by the locals and also the climatic changes that brings along with it, ...
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soil enzyme activities are commonly influenced by soil pH, and the relation between soil pH and enzyme activities also has control on SOC (Bueis et al., 2018). In general, soil physico-chemical properties and soil enzymes do great effort on SOC dynamics together. Previous studies about
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A range of physical processes during mining operation that require water include grinding, flotation, gravity concentration, dense medium separation and hydrometallurgical processes. Further, to leach the gold-containing soil, large quantity of water is used in an open-pit gold mining system [ 16 ].
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[1] The industrial activities led to substantial release of toxic metal into the environment. Heavy metals constitute a major hazard for the human health & ecosystem.[2]The heavy metal are defined as ions with partially or completely filled d-orbital some including ions, zinc, copper & manganese are micro-nutrient used in the redox processes
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enzyme, the immobilized laccase showed high residual activities over a broad range of pH and 28 temperature. The GAC-bound laccase efficiently removed four micropollutants, namely, 29 sulfamethoxazole, carbamazepine, diclofenac and bisphenol A, commonly detected in raw 30 wastewater and wastewater-impacted water sources.
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Physicochemical treatments of heavy-metal pollution in waste water have several environmental and structural disadvantages. This Article shows that sulfide-producing yeasts are able to remove ...
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The physicochemical characteristics of nickel electroplating effluent was determined and was found to contain pH (6.5), temperature (33°C), electrical conductivity (15.1ms), total solids (2309mg ...
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Soil is an important system of terrestrial ecosystem. There is a direct impact of pollutants on minerals, organic matter and microbial community of soil (Lowry et al., 1951). The discharge of industrial effluents especially without treatment may have profound influence on physio-chemical and biological industries (David shyam Babu, 2010).
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Oct 11, 2021This study corroborated with that of Adewole and Adesina and Edema et al. who reported similar findings on physicochemical properties in mining soil. Soil moisture ranged from 0.14 to 0.82, which was low. This result was indicative of the extensive mining activity in the soil, which resulted in a decrease in groundwater and vegetative cover.
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The use of biomarkers in bivalves has gained significance as a reliable method for the assessment of the presence and effect of contaminants in aquatic ecosystems. However, it is important to note that the biomarkers respond not only to contaminant loadings and bioavailability but also to environmental stress. Therefore, the association between biomarkers and contamination/pollution should be ...
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5 days agoWe recently developed a novel Tartary buckwheat variety, 'Manten-Kirari', with trace-rutinosidase activity. The use of 'Manten-Kirari' enabled us to make rutin-rich food products with low bitterness. This study was intended to evaluate the physicochemical properties and in vitro digestibility of starch isolated from 'Manten-Kirari'. For comparison, the ...
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3.1. Physicochemical parameters and heavy metals in canal water. Physicochemical characteristics and heavy metal load of river water is given in Table 1. The estimated heavy metals were recorded in the order Fe > Cu > Zn > Mn > Ni > Co > Cr. Physicochemical analysis of water has long been employed to assess its quality.
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Laccase-catalysed degradation is a promising technology for the degradation of trace organic contaminants (TrOCs). However, depending on their physicochemical properties (e.g., chemical structures), non-phenolic TrOCs appear to be resistant to laccase-catalysed degradation, thus requiring an additional treatment process.In this study, the performance of an integrated laccase and persulfate (PS ...
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A. G. Benibo (Department of Chemistry and Centre for Agrochemical Technology & Environmental Research (CATER), Federal University of Agriculture, Makurdi, Nigeria) R. Sha'Ato (Dep
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The study was conducted to determine the soil pollution from the downstream area of the waste dumping site in relation to changes in soil quality as well as chemical characteristics and heavy metals concentrations in Konabari industrial area of Bangladesh, during the period from July to December 2011. Soil samples were collected from five different points at a distance of 10 m from each other.
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This review focuses on the effects of heavy metal wastes generated from gold mining activities on the environment and the various mechanisms used by bacteria to counteract the effect of these heavy metals in their immediate environment. ... Biomining is known to be more environmentally friendly than many physicochemical extraction processes ...
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Abstract Soil physicochemical parameters and enzymatic activities of mining effluent contaminated soil of Ishiagu, Ebonyi State Nigeria were evaluated. Effluents of Crush Rock, Crush Stone and Ezza quarry sites in Ishiagu were used for the study.
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The 96-h LC value of 10% of the mining effluent for O. 1987). The metals Zn and the Pb could reach 10 times higher mykiss is very low compared to 96-h LC values for single concentrations in the effluent than the background levels metals such as Pb (1.17 mg/L at pH 6.7-7.3) or Cu (0.06 mg/L) reported for freshwater (Jørgensen et al. 1991).
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ments of several enzymatic activities have been used to establish indices of soil biological activity. Cellulase and Urease are the two important enzymes which play a sig-nificant role in soil environment. Cellulase is a core en-zyme which contains exo, endo and β-glucosidases. This enzyme synergistically acts on cellulose, the most abun-
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The effect of transgenic rice on rhizospheric soil enzymes, DHA, alkaline phosphatase, urease and nitrate reductase, enzyme assay were performed. On the basis of above enzymatic assay it was found that PDH 45 transgenic rice plant did not show a significant difference when compared with its WT counterpart both in the presence and absence of salt.
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Apr 6, 2022Besides, soil enzyme activity is affected by abiotic factors such as pH, temperature, moisture content, and soil cultural management, which is largely affected by anthropogenic pollutants (such as zinc) and commercial fertilizer [ 2 ]. Catalase is a hydrogen peroxide oxidoreductase and is deemed an intracellular enzyme [ 3 ].
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Although numerous studies have addressed the influence of exogenous pollutants on microorganisms, the effect of long-term industrial waste effluent (IWE) pollution on the activity and diversity of soil bacteria was still unclear. Three soil samples characterized as uncontaminated (R1), moderately contaminated (R2), and highly contaminated (R3) receiving mixed organic and heavy metal pollutants ...
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Soil physicochemical properties, heavy metals and bacteria bioload in mining waste contaminated soil in Ishiagu, were evaluated. The physicochemical properties measured showed that the pH varied...
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The mining industry generates refractory compounds as water pollutants because of its extractive and refining operations. ... (XG) obtained from recycled potato peels, which are by-products of their industrial processing. In addition, physicochemical parameters and heavy metals were analyzed and quantified to determine the XG efficiency and ...
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Sep 21, 2020the results showed the following: (1) the mining effluent is acid mine drainage (amd) and is highly toxic to zebrafish with a 96-h median lethal concentration (lc 50) of 3.80% (volume percentage) of the raw effluent; (2) sublethal concentrations of the raw effluent (1/50, 1/10, and 1/2 96-h lc 50) induced oxidative stress and osmoregulatory .
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The impact of a former sulphur mines on the some the physico-chemical properties soil. • The method of sulfur extraction influenced the efficiency and dynamics of the soil phosphorus and the activity of study enzymes. • Phosphorus content was higher in areas next to Machów mine (the sites of longer reclamation). •
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Sep 3, 2021These higher concentrations could be explained by mining industries or activities near the water sources. Excess copper induces oxidative stress, DNA damage, and reduced cell proliferation leading ...
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jordan journal of biological sciences The effects of effluent on soil microbial and physicochemical properties were studied using culture-dependent and standard analytical methods. Soil samples were collected from sites polluted with effluent and from adjacent sites that were not impacted with the effluent pollution.
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