mail.cwejournal.org Current World Environment en-us https://mail.cwejournal.org/vol1no2/distribution-and-concentration-of-some-mineral-elements-in-soil-sediment-ambient-water-and-the-body-parts-of-clarias-gariepinus-and-tilapia-quineensis-fishes-in-river-tammah-nasarawa-state-nigeria/ 2006-12-14 2018-12-13 Introduction Many heavy metals such as lead (Pb), Zinc (Zn), Manganese (Mn), Iron (Fe), Nickel (Ni) and Copper (Cu) occur in nature in ore deposits.1,2 These metals are released through leaching and weathering into the aquatic environment. Thus, areas characterized by metal bearing formation are expected to have elevated levels of metals in water and sediment. If mining operations are carried out in such areas, discharges and fallout from the industry would lead to further pollution.

..]]> An investigation into the concentrations and distributions of lead, magnesium, zinc, chromium, iron, manganese and copper in the soil sediment, river water and the organs of Clarias gariepinus and Tilapia quineensis was undertaken with a view to evaluating the interplay of these inorganic minerals in the various matrices. The fishes were of variable sizes while the organs investigated in them were head, intestine, gills and flesh. The lead, magnesium, zinc, chromium, iron, manganese and copper v

..]]> https://mail.cwejournal.org/vol1no2/impact-of-city-sewage-discharge-and-anthropofenic-activity-on-water-quality-at-different-ghats-of-river-godavari-at-nanded-maharashtra/ 2006-12-02 2018-12-13 Introduction Water plays a vital role in living organisms in river water. The discharge of pollutants in river water is beyond limit and more than the self-purification capacity of river. Almost all rivers in India are affected due to pollution and reached a crisis point, and Godavari is not escaped from it. Origin of Godavari river is Bramhagiri at Trimbakeshwar in Nashik District of Maharashtra and the river flows through the central part or the Naded District from west to east further of

..]]> Huge city sewage discharge, waste and various anthropogenic activities put heavy pollutional load on river water. The rapid urbanization, hospital waste, waste from slaughter houses, small scale industries, various drains, nallas population explosion deteriorate the water quality of river Godavari. The pollution was monitored during rainy, winter and summer season with the help of physio-chemical parameters and trace metals analysis such as pH, temp, turbidity, conductance, DO, chloride, sulphat

..]]> https://mail.cwejournal.org/vol1no2/inhibition-of-acidic-corrosion-of-iron-by-some-carrageenan-compounds/ 2006-11-27 2018-12-13 Introduction Iron is the most used of all the metals in several fields of industry. Iron and similar metals can be exposed to corrosion in connection with environmental conditions. The corrosion rate varies subject to structure of ions and molecules, kind of ion, concentration of ion, kind of solution and kind of materials.1,2 Especially in environments containing Cl- ions, corrosion of metals is unavoidable, as Cl- ion is an active one, it forces oxide formation on metal surface. Th

..]]> The corrosion inhibition of some sulfated water soluble natural polymer (carrageenan) compounds on the corrosion of iron in 1M HCl was studied using weight loss and galvanostatic polarization measurements. The percentage inhibition efficiency was found to increase with increasing concentration of inhibitor and with decreasing temperature. The inhibitive action of these compounds was discussed in terms of blocking the electrode surface by adsorption of the molecules. The adsorption process follow

..]]> https://mail.cwejournal.org/vol1no2/pollution-parameters-including-toxic-and-heavy-metals-contamination-studies-of-upper-lake-of-bhopal-india/ 1970-01-01 2018-10-31 Introduction Upper lake is naturally situated in the Bhopal, the capital city of Madhya Pradesh (India). Catchment area of Upper Lake is 31 sq.km. Fresh water is one of the most important and basic natural resources. The quality of any water body and suitability for drinking purpose can be assessed with the help of various water parameters. The concentration of these parameters are well explains the quality of water and the pollution level. The effect of heavy metal in aquatic system de

..]]> Upper Lake of Bhopal is among the biggest lakes of India and is a major source of drinking water for citizens of Bhopal. In the present study, water quality assessment was carried out with respect to the parameters like temp, total dissolved solids (TDS), conductivity, pH, hardness (Carbonate & Bicarbonate), alkalinity, BOD, COD, DO and heavy and toxic metals. The study reveals that the water of Upper Lake is partly polluted and requires suitable majors to check it.

..]]> https://mail.cwejournal.org/vol1no2/controlling-technologies-of-so2-by-adsorption-techniques/ 2006-11-15 2018-12-11 Introduction SO2 and its derivatives produce strong irritation on the eyes and nasal passage ways. It causes intense irritation even at 2.5 ppm levels to the eyes and respiratory tract.1-3 It is absorbed by the nasal system leading to swelling and stimulated mucus secretion and it causes lung cancer.4-6 The accumulation of transport vehicles such as automobiles at the signal points on the main arteries of the city and the consequent emission of exhaust of considerable quantity is e

..]]> The present studies deals with the adsorption of SO2 by manganese oxide i.e., Pyrulusite ore. Pyrulusite is used as an adsorbent for the present studies. It is found that the percentage removal of SO2 increases with the increase in contact time, follows first order kinetics and a unimolecular layer is formed during the process. The percentage removal of SO2 increases with increase in dosages and decreases with increase in concentration. Thermodynamic parameters such as enthalpy, entropy and free

..]]> https://mail.cwejournal.org/vol1no2/comparative-study-of-different-agro-based-adsorbents-for-the-treatment-of-wastewater/ 2006-11-29 2018-12-13 Introduction The continually increasing demand for water for beneficial purposes has forced man to assess and examine water reuse technologies more seriously than ever. Regardless of origin, industrial wastewater, after proper treatment, represents another ample and reusable water source. Water pollution due to toxic heavy metals has been a major cause of concern to scientists and engineers. Several mishaps due to heavy metal contamination in aquatic environment increased the awareness a

..]]> In the present study attempts have been made to remove hexavalent chromium from the wastewater by agro based waste materials. The removal efficiency of the Cr (VI) has been determined at different dosage, concentration of metal and pH. It was found that agricultural waste adsorbents are superior to activated carbon. Since they are relatively cheaper and locally available. The isotherm data obtained is more closely to Freundlich adsorption isotherm for coconut shell and neem bark. Sugar cane baga

..]]> https://mail.cwejournal.org/vol1no2/assessment-of-the-air-quality-in-some-egyptian-asphalt-laboratories/ 2006-11-01 2018-12-11 Introduction Petroleum Compounds are considered among the most serious environmental threats to human health. Laboratory personnel that deal with cutback asphalt in asphalt paving operations are exposed to a wide range of potentially harmful hazardous substances. Their exposure is caused by either or both inhalation and dermal contact (Burstyn et al., 2000; Reink et al., 2000). These vapours and fumes produced from Bitumen samples, consist essentially of Polyaromatic hydrocarbons (PAHs) and

..]]> Indoor air pollution studies have became the focus of increasing regulatory public and research concerns due to the negative impact of their components on the human health and the environment. In the field of road construction, laboratory personnel are exposed to different types of air pollutants; Foremost of which are the asphalt vapours, fumes and dust that have a negative effect on their health. The aim of this research is to monitor the indoor air quality and working conditions in some aspha

..]]> https://mail.cwejournal.org/vol1no2/physico-chemical-analysis-of-river-ganga-at-vindhyachal-ghat/ 2006-12-21 2018-12-13 Introduction Vindhyachal is the holy place of Hindus due to the temple of the Goddess Vindhyachal and it is situated at the bank of river Ganga at a distance of about 5-6 km. Form Mirzapur city. Ganga is one of the important components of the water resources at Mirzapur district. Water of river Ganga is used for domestic, agricultural and residential purpose. But unfortunately it is being polluted through a number of polluting sources such as sewage, carpet industries, metal industries, met

..]]> Here an attempt has been made to assess the pollution by physico-chemical analysis and concentration level of some trace metals in water of river Ganga at Vindhyachal ghat during Navratri Pooja. The study evaluates physico-chemical properties of water of the river covering sampling during September to November 2005 and March to May 2006. The result indicates that the river Ganga at Vindhyachal ghat is in a serious grip of water pollution during Navratri Pooja due to huge gathering of population.

..]]> https://mail.cwejournal.org/vol1no2/assessment-of-ground-water-quality-for-physico-chemical-heavy-metals-bacteriological-coliform-contamination-in-and-around-raigarh-city/ 2006-12-20 2018-12-11 Introduction Groundwater serves as a major resource for drinking,irrigation and industrial use .It is generally considered to be cleaner than surface water.However, several factors like discharge of industrial,agricultural and domestic wastes,land use practices,geological formations,rainfall patterns and infiltration rate affect the quality of ground water in an area and once contamination of groundwater aquifers occurs,it persists for hundreds of years because of very slow movement of wate

..]]> Ground-water quality of Raigarh city in Chattisgarh state was assessed for drinking water purpose based on physico-chemicals, heavy metals & bacteriological (Coliform) parameters. The samples were analysed as per methods specified by Bureau of Indian Standards/standard methods. Physico-chemical analysis reveals that fluoride,nitrate and iron are higher than BIS specified limit at some sampling sites . The samples with high Iron content & other heavy metals pollution was found in

..]]> https://mail.cwejournal.org/vol1no2/morphology-physico-chemical-properties-and-classification-of-some-vertisols-of-jabalpur-madhya-pradesh/ 2006-11-03 2018-11-02

..]]> There Vertisol pedons in Jabalpur district, were morphologically studied, characterized and classified. The soils are very deep, colour ranges from dark brown (10YR3/1) to very dark grey (10YR4/3) in different horizons. The texture of deep soils clay of all pedons throughout the profile. Crack of 2-3 cm wide extends beyond one meter. Slickensides, wedge shaped aggregates, Fe Mn, and calcrets are observed in all this soils pedons. The soils are imperfectly drained. The soils are calcareous and pH

..]]> https://mail.cwejournal.org/vol1no2/a-study-on-the-ground-water-quality-around-dhalai-beel-area-adjacent-of-dhaka-export-processing-zone/ 2006-11-11 2018-12-13 Introduction Ground water is still the most preferred water source in the third world countries. Once believed to be safe from contamination as it resides many strata below the surface, has now been proved to be prone to pollution by several researches across the world. The contamination of groundwater may be due to improper disposal of domestic and industrial wastewaters. In urban centers the ground water is exposed to more threat than in rural areas. The main source of drinking water arou

..]]> The paper present the physiochemical characteristics and suitability of the ground water body as potable water sources accurring around Dhalai beel area adjacent to Dhaka Export Processing Zone (DEPZ), Savar, Bangladesh. Several parameters including Temperature, pH, Electrical Conductivity, Dissolved Oxygen, Total Hardness, Total Dissolved Solids, Total Alkalinity and quantity of dissolved anions Hardness, Total Dissolved Solids, Total Alkalinity of Dissolved Solids, Total Alkalinity and quantit

..]]> https://mail.cwejournal.org/vol1no2/a-comparative-study-of-water-quality-parameters-of-ground-water-among-the-three-regions-of-kalol-taluka-gujarat/ 2006-09-25 2018-12-13 Introduction Water is the basic necessity of life, not only for human beings, but also for plants and animals. Scientists estimate that water covers nearly three fourth of earth’s surface in the form of oceans, rivers, lakes, snow, glaciers and ground water. Though this seems an inordinately huge amount; in actual fact, less than one percent is fresh and usable found in lakes, ponds, rivers and ground water. There are some ways in which bodies of water get polluted; discharge of u

..]]> A study of water quality parameters of ground water of North, Central and South regions of Kalol Taluka in Gandhinagar district of Gujarat state, India have been carried out during May-2006. The observed values of various physico-chemical parameters of water samples were compared with standard recommended by World Health Organization (WHO). The analysis of variance (ANOVA) and t-test have been applied for the comparative study of water quality parameters among various regions of Kalol Taluka. Th

..]]> https://mail.cwejournal.org/vol1no2/graphical-representation-and-classification-of-surface-water-in-the-lower-alluvial-plains-of-narmada-valley-between-khalghat-and-harinphal/ 2006-10-31 2018-12-13 Introduction Water is essential for all living for their existence. Water is needed not only for domestic use but also for the growing needs of any nation for its better agricultural growth. On the surface of the earth, the largest available sources of fresh water are lakes, streams and groundwater. In India, specially in Madhya Pradesh the farmers mostly depend on rainwater and surface water for irrigational purpose. In M.P. lower alluvial plains of Narmada Valley is the most important among

..]]> The present study mainly concerns the classification and graphical representation of surface water in the lower alluvial plains of Narmada Valley between Khalghat and Harinphal in Madhya Pradesh. In all 18 (Eighteen) surface water samples have been collected from the ferry points and analysed by using the methods proposed by APHA (1985). The chemical analysis data have been graphically represented in Piper’s trilinear diagram, Modified Trilinear diagram and Wilcox diagram. On the basis

..]]> https://mail.cwejournal.org/vol1no2/assesment-of-ground-water-quality-of-pali-district-rajasthan/ 2006-09-22 2018-12-10 Introduction Water, next to air is a vital natural resource responsible for the existence and development of life on the earth, even though our country is one of the wettest country of the world and has substantial fresh water resource, there is a chronic shortage of safe water specially in some of major towns where urbanization has taken place. The shortage varies from mild to acute depending upon the geographical, topographical, climate, hydrogeological and other factors. The area chosen

..]]> An assessment of physico-chemical characteristics of ground water samples from the bore wells and dug wells of different 22 locations of Pali district in Rajasthan . Totally 18 parameters were analysed .In many locations maximum parameters within the permissible limit and about 59% samples sites showed higher concentration of fluoride content than the permissible limit and 36 % of the water samples showed higher range of total dissolved solids than the permissible limit. The hydro-chemical facts

..]]> https://mail.cwejournal.org/vol1no2/biochemical-investigations-on-monocrotophos-exposed-fish-channa-gachua-ham/ 2006-09-23 2018-12-13 Introduction Monocrotophos is a broadspectrum organophosphorus insecticide used against a wide range of insect pests of a variety of crops. It is one of the highly toxic agricultural chemicals with wide variation in toxicity between different species of fishes (Janardhan et al., 1986). The widespread use of monocrotophos results in extensive aquatic contamination by its application intentionally for control of insects and unintentionally by drift of aerial spray, watershed drainage or accid

..]]> The freshwater fish, Channa gachua was exposed to sub-lethal concentrations of an organophosphorus pesticide, monocrotophos. The fish was exposed to acute toxicity of monocrotophos for 16, 24 and 48 hours while for chronic toxicity it was exposed for 15, 30 and 45 days. The monocrotophos was found to be toxic to the fish, which was found to be increasing with the increase of its concentration. Alterations in various biochemical parameters of fish were observed. The exposure of 0.072 ppm concentr

..]]> https://mail.cwejournal.org/vol1no2/effect-of-rainwater-harvesting-on-the-amounts-of-some-heavy-metals-in-the-ground-water-of-east-dwarka-subcity-of-delhi/ 2006-12-20 2018-12-13 Introduction Heavy metals are integral components of drinking water and have an important role in ascertaining the quality of drinking water for the drinking purpose. The amounts of the heavy metals should be adequately and as per the guidelines values provided by World Health Organization. Among the heavy metals Iron is an essential element.1,2 It is contained in a number of biologically significant proteins, for example, hemoglobin and cytochromes, and also in many oxidation-r

..]]> In the present study water samples, from various societies of East Zone of Dwarka subcity of New Delhi have been collected where rainwater-harvesting systems are installed. The impact of rainwater harvesting on the amounts of heavy metals in ground water has been studied by collecting water samples from these selected sites in the months before and after the rain. In study the difference between the values of some of the heavy metals in ground water, collected before and after rain, has been fou

..]]> https://mail.cwejournal.org/vol1no2/sustainable-development-a-solution-to-environmental-crisis-a-review/ 2006-11-21 2018-12-11 Human beings have created a world of social institutions and infra structure using science, technology and political organizations. Both of these are essential for survival of human beings. Throughout the history of civilization, humans have degraded and depleted; as well as restored and replenished the environmental resources. His activities have created both beneficial as well as adverse impacts on the economy as well as environment .Today it is an indisputable fact that environmental degrad

..]]> Human beings have created a world of social institutions and infra structure using science, technology and political organizations. Both of these are essential for survival of human beings. Throughout the history of civilization, humans have degraded and depleted; as well as restored and replenished the environmental resources. His activities have created both beneficial as well as adverse impacts on the economy as well as environment .Today it is an indisputable fact that environmental degradat

..]]> https://mail.cwejournal.org/vol1no2/qualitative-abundance-of-zooplankton-of-bishleri-stream-of-banihal-doda-jammu-kashmir-state/ 2006-11-20 2018-12-13 The knowledge of plankton, available in an ecosystem, is of fundamental importance. Zooplankton are the microscopic free-swimming animal components of aquatic systems. They are represented by a wide array of taxonomic groups, of which the members belonging to protozoa, rotifera, cladocera and copepoda are most common and often dominate the entire consumer communities. In all the aquatic ecosystems, zooplankton plays an important role in the transfer of energy at the secondary trophic level. Stud

..]]> The main drainage of the Distt. Doda is the river Chenab formed by the confluence of Chandra and Bhaga streams. The other tributaries of the river Chenab are Neeru stream, Kalnei streams, Chatroo stream, Bishleri stream with a number of their tributaries. The present study was carried for a period of two year from January, 2003 to December, 2004 on Bishleri stream by dividing the stream into different stations. A total of 16 genera of zooplankton were recorded from the stream, out of them, 08 be

..]]> https://mail.cwejournal.org/vol1no2/qualitative-abundance-of-phytoplankton-of-bishleri-stream-of-banihal-doda-jammu-kashmir-state/ 2006-12-07 2018-12-13 Introduction The knowledge of plankton, available in an ecosystem, is of fundamental importance. Phytoplankton are the chlorophyll bearing suspended microscopic organisms consisting of algae with representatives from all major taxonomic phyla; majority of the members belong to chlorophyceae, cyanophyceae and bacillario-phyceae. The quality and quantity of phytoplankton and their seasonal succession patterns have been utilized to assess the quality of water. Phytoplankton encountered in a wa

..]]> The main drainage of the Distt. Doda is the river Chenab formed by the confluence of Chandra and Bhaga streams. The other tributaries of the river Chenab are Neeru stream, Kalnei streams, Chatroo stream, Bishleri stream with a number of their tributaries. The present study was carried for a period of two year from January, 2003 to December, 2004 on Bishleri stream by dividing the stream into different stations. A total of 19 genera of phytoplankton were recorded from the stream, out of them, 07

..]]> https://mail.cwejournal.org/vol1no2/education-of-environmental-toxicity/ 2006-09-09 2018-12-13 Introduction Chemicals are used increasingly in domestic and non-technical environments, where their safe handing is no longer solely the concern of qualified chemists. For instance, consider the use of domestic cleaners, solvents and detergents, weed killers and pesticides and proprietary medicines. There are a no. of chemicals in the environment, some of these are toxic and rest are non-toxic. The toxic chemicals are discharged by industries into air, water and soil. They get into the hum

..]]> With the ever increasing use of materials like soaps detergents, cosmetics, dyes and drugs etc. and with the urbanization, the use of various chemicals is increasing day by day in laboratories, industries and in domestic cleaning purposes. With the awareness of science of chemicals and the study of their harmful and toxic effects, it has become the need of time to have detailed knowledge about the various of chemicals we are using and the knowledge of their safe use, so as to minimize the risk o

..]]> https://mail.cwejournal.org/vol1no2/effect-of-ph-on-the-removal-of-victoria-blue-by-adsorption/ 2006-12-08 2018-12-10 Introduction Through various method viz. chemical oxidation, Froth flotation and coagulation have been employed for colour removal, adsorption offers the best for removal of wide ranging pollutants such as dissolved solids, heavy metals and organic dyes, Activated carbons was widely used as an adsorbent, though it is quite expensive which resuscitates to explore low cost adsorbents. The aim of this paper is to use cheaper adsorbent i.e. china clay to its high efficiency, easy handling and les

..]]> The removal of Victoria blue dye form water and waste water by adsorption on China clay is greatly influenced by the pH of the medium. The pH of the adsorbate solution effect the nature of the surface properties of adsorbents the degree of ionization and speciation of aqueous adsorbate species and ultimately the rate and extent of the adsorption. The initial concentration of the dye taken was 1.0 × 10-6 M and the China were agitated at 30° C (±°C). The pH of

..]]> https://mail.cwejournal.org/vol1no2/lead-a-toxic-substance-its-effect-and-removal/ 2006-12-02 2018-12-11 Introduction Lead (Plumbum) Pb-82, a bluish-grey metal, mp 3270 C. It is so soft and can be cut easily with a knife. When heated with air or oxygen it forms litharge and red lead. With water it forms slightly soluble lead hydroxide which is poisonous in nature. Several brands of shampoos contain lead sulphide to give hair a dark hue. Worley etal (1968) reported 88% PbS in mascara, face powder, pastes and liquids also contain 65% lead, paints, welding stainless steal, glass, fabr

..]]> Lead is a relatively abundant metal in nature, occurring in lead minerals. The major source of lead is the combustion of leaded petrol. The most lead intake by a big city dweller is from diet 200-300 µg per day, air and water adding a further 10-15 µg per day, each of this total intake, approximately 200 µg of lead is exerted while 25 µg is stored in the bones every day. The present work deals the effect of lead on human health and its removal by Dithiazon

..]]> https://mail.cwejournal.org/vol1no2/assessment-of-water-quality-near-chopan-river-raghogarh-district-guna-m-p/ 2006-10-27 2018-12-11 Introduction Water is one of the most important commodities which man has exploited than any other resources for the sustenance of his life. Most of our demands for water is fulfilled by rainwater which gets deposited in surface and ground water resources. Though, water is continuously purified by evaporation and precipitations, pollution of water has emerged as one of the most significant environmental problems of recent times. The cause of such a situation is many but the quality of water

..]]> The study of the contamination level of drinking water used and effect of fertilizer industry of aquatic biota in Raghogarh was conducted at 6 stations in Chopan River and 4 stations of surrounding tube wells in year (2004). In the water samples, temperature, pH, conductivity, TDS, hardness, calcium, Magnesium, DO chloride, free ammonia-N were evaluated through analysis. Ii is found that the values of total dissolved solids and free ammonia-N are higher. Total dissolved solids in excessive cause

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