Global Journal of Energy and Environment


Assessment heavy metal ions and toxic metal ions in ground water

Research article of Global Journal of Energy and Environment Assessment heavy metal ions and toxic metal ions in ground water Baby AbrarUnnisa Begum*, Dr. N. Devanna N**, Dr. P. Ramesh Chandra*** 1*Associate Professor, Chemistry Department, SWCET, Hyderabad, Telangana, India 2Professor & Head, Chemistry Department, JNTUA, Anantapuram, A.P., India The present study was carried out to determine various physico-chemical parameters and water quality index of the Patancheru in Medak District of Telangana state to examine the quality of water for public consumption, recreation and other purposes. This study deals with the influence of environmental factors as well as domestic activities in the water quality in the related area. Keywords: heavy metal ions, toxic metal ions, ground water ...

DPPH Free Radical Scavenging Activity of Ethanolic Extracts of Twenty two Medicinal Species From South Algeria (Laghouat region)

Research article of Global Journal of Energy and Environment DPPH Free Radical Scavenging Activity of Ethanolic Extracts of Twenty two Medicinal Species From South Algeria (Laghouat region) Boulanouar BAKCHICHE* , Hadjira GUENANE, Maria REZZOUG and Abdelaziz GHERIB Laboratoire de Génie des Procédés, Université Amar Telidji, Laghouat, Algeria Free radicals scavenging Activity, total phenolic and flavonoids contents of Twenty two ethanolic extracts, from the botanical families Asteraceae, Lamiaceae, Amaranthaceae, Chenopodiaceae, Cupressaceae, Ericaceae and Rhamnaceae, collected from the Laghouat region (Algeria Sahara) were investigated. The 2,2-diphenyl-1-picrylhydrazyl radical assay was used to determine the antioxidant activity of the plant extracts, while the Folin–Ciocalteu method was used to determine the total phenolic content and flavonoids using AlCl3 method . The antioxidant capacity expressed as IC50 values ranged from 20 µg/ml for O. basilicum to 650 ± 8.60 µg/ml for A. iva. The total phenolic content ranged from 2.72 to 87.11 mg/g of dry weight of extract, expressed as gallic acid equivalents. The total flavonoid concentrations varied from 1.48 to 12.59 mg/g, expressed as rutin equivalents. The results of this study showed that there is no significant correlation between antioxidant activity and phenolic content of the studied plant materials and phenolic content could not be a good indicator of antioxidant capacity. Keywords: Medicinal plants; Phenolic content; flavonoid content ; Antioxidant; DPPH ...

INFLUENCE OF CASSAVA MILL EFFLUENT ON THE GROWTH RATE OF TWO SELECTED ARABLE CROP SPECIES (Zea Mays And Vigna Unguiculata L.)

Research article of Global Journal of Energy and Environment INFLUENCE OF CASSAVA MILL EFFLUENT ON THE GROWTH RATE OF TWO SELECTED ARABLE CROP SPECIES (Zea Mays And Vigna Unguiculata L.) C.E., Igwe and J.N.,* Azorji Department of Biological Sciences, Hezekiah University, Umudi-Imo State Department of Environmental Resource Management, Michael Okpara University of Agriculture, Umudike, Abia State Hydrogen cyanide is the dominant element in cassava mill effluent with several toxicological implications. Physiochemical analysis was carried out on the soil samples gotten from three different cassava tuber processing mills located at Amaoba, Umuarigha I, and Umuarigha II in Ikwuano Local Government area of Abia state. The parameters investigated were pH, nitrogen, phosphorous, organic carbon, organic matter; others were the sodium, calcium, potassium and magnesium contents. All the afore-mentioned parameters were also analyzed for control sample. The result showed that there was an increase in soil pH, nitrogen and magnesium content of the cassava mill soils. The effect on plant growth rate was studied using maize and cowpea as test crops. The number of leaves, stem girth and length was recorded for a period of eight (8) weeks. The result after eight (8) weeks showed that the growth rate of seedlings on the soil of the three different cassava mills was rapid more than that of the control. This research shows that the cyanide content of the cassava mill effluent had a stimulatory effect on the parameters measured and could serve as an efficient source of nutrient to the soil and thus to crops, making it an alternative to mineral fertilisers. Keywords: Cassava effluent, Hydrogen cyanide, Zea mays, Vigna unguiculata L ...

DEPLETION IN THE BIOMASS OF FLORAL WASTE-CATTLE DUNG MIXTURES DURING VERMICOMPOSTING

Research article of Global Journal of Energy and Environment DEPLETION IN THE BIOMASS OF FLORAL WASTE-CATTLE DUNG MIXTURES DURING VERMICOMPOSTING *Praveesh Bhati1 Ph.D., Shobha Shouche2 Ph.D.and Sudhir Kumar Jain3 Ph.D. 1Ex Faculty, Govt. Madhav Science College, Dewas road Ujjain (M.P.) 456010, India:2 Assistant Professor, Govt. Madhav Science College, Affiliated to Vikram University Dewas road Ujjain (M.P.) 456010, India; 3 Reader, SOS in Microbiology, Affiliated to Vikram University Dewas road Ujjain (M.P.) 456010, India Vermicomposting of different proportion of floral waste (FW)-cattle dung (CD) mixtures were carried out under aerobic condition in a plastic bins to find the rate of depletion of biomass. The initial substrate depth of five different compositions viz. 100% FW, 75% FW, 50% FW, 25% FW and 100% CD were 25cm, 16 cm, 13 cm, 11 cm and 8 cm respectively. The rate of biomass reduction was high in 100% FW which was decreased with increasing the quantity of cattle dung. The time for substrate stabilization during vermicomposting was also found to be lesser in summer as compared to rainy season. The substrate depth variation with respect to time followed a declined curve. Keywords: Biomass reduction, floral waste, cattle dung, vermicomposting, earthworm ...

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Global Journal of Energy and Environment

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