Heavy Metals

Order of the National Green Tribunal regarding pollution of Godavari river, Telangana, 29/05/2025

Order of the National Green Tribunal in the matter of News Item titled "Telangana: Deepening pollution crisis in Godawari threatens lives livelihoods appearing in the Telangana Today dated 13.05.2025" dated 29/05/2025. The application was registered suo-motu on the basis of the news item titled Telangana: Deepening pollution crisis in Godawari …

Study of role of Na & Ca in polluting water of Rajendra Sarober at Chapra

Water becomes contaminated after use due to mixing of pollutants. The waste water goes into the rivers, lakes and ponds and results in eutrophication of water bodies. The ponds of Saran (Bihar) are rich repository of aquatic flora & fauna. Most of the ponds are becoming polluted due to different …

Study of human exposure to fine particulates and respiratory tract depositions in residents of an industrial environment

This paper estimates personal exposure to particulate matter (PM), deposition and status of selected toxic metals in respiratory tract washout samples obtained from 20 humans residing in township of an industrial environment in central India. All humans samples for personal PM exposure and respiratory tract depositions, collected during winter season, …

Removal of chromium by the activated charcoal derived from the leaves of Azadirachta Indica

The present work deals with the removal of chromium (VI) ion by the activated charcoal derived from the dry leaves of Azadirachta indica. The effect of removal of Cr(VI) ion on concentration, dosage, pH, contact time, the presence of surfactant and temperature have been studied.

Papers, talk to boost mine trade

Ghatshila chapter of Indian Institute of Metals would organise a daylong seminar on

Migration and total concentration of heavy metals in soil samples from the Zeta Valley, Montengro

The total and the migration concentration of lead (Pb), cadmium (Cd), copper (Cu), zinc (Zn), iron (Fe) and manganese (Mn) in 20 soil samples taken from the surrounding area of Aluminium Factory Podgorica, airports, asphalt plant and highroad in Zeta Valley (Montenegro) were determined.

Food for thought: issues of food safety

The Ministry of Food Processing Industries, GOI, has declared 2008-09 as Food safety and Quality Year. Food safety implies absence or safe levels of various of kinds of contaminants. Sources of food contamination include harmful chemicals, heavy metals, pesticides, preservatives, colouring agents, additives, adulterants etc. Food contamination leads of life-threatening …

Field science

Pali farmers teach state pollution body a few things technical Mahaveer Singh Sukarlai has no formal training in science. But he was able to test and tell a gathering of over 300 people that water from a dugwell in Phenkaria village contained arsenic and zinc in concentrations unfit for human …

Science & Technology - Briefs

biological sciences Water bears in space Life for a certain kind of tiny invertebrates is possible in space. About 1.5 mm long water bears were found to survive there, a European Space Agency (esa) experiment showed. This makes the eight-legged invertebrates, also called tardigrade, the first animals known to survive …

Science & Technology - Briefs

food Store bread without worry A new type of paper packaging made with cinnamon oil will preserve bread and other baked food by up to 10 days, say researchers of University of Zaragoza in Spain. Some scientists have earlier tried out various methods for fighting bread mold, a kind of …

Groundwater quality of Aligarh district of Uttar Pradesh, India, a 11 year study

The objective of this study was to investigate extent of contamination of groundwater (potable and irrigation) of Aligarh district by pesticides and heavy metals during last 11 years (1996-2006)

Seasonal variation of heavy metals in surface water samples of Upper Basin of Bhoj wetland, Bhopal

The paper deals with the determination of five heavy metals viz. Cu, Cd, Fe, Pb and Zn in surface water at different sites of upper basin of Bhoj wetland, Bhopal.

Studies on physico-chemical parameters of ground water of Sambher block of Jaipur district

An investigation has been carried out for the evaluation of fluoride contamination in Sambher block of Jaipur district. Results were compared with standards as prescribed by ISI and WHO. Groundwater samples from various hand pumps of twelve villages of Sambher block of Jaipur district were analyzed throughout the two years …

Changes in soil properties due to irrigation with paper industry wastewater

The effect of irrigation by the effluent of paper industry versus well water on properties of soils in three seasons was studied in Nagpur district, Maharashtra. The effluent had high total dissolved salts and biological oxygen demand than well water. pH, EC and availability of N, P, K, Zn, Cu, …

Fish mortality in Sukhna cause for worry

Around 15 dead fish were found floating in the Sukhna waters on Monday morning, causing concern about the safety of aquatic life in the lake. Preliminary investigations have revealed that the fish could have died because of deposition of sand in their gills. The dead fish were removed and their …

Britain dumps its garbage on Indian soil

Green Brigade Up In Arms TNN & AGENCIES London/New Delhi: Garbage is literally flying and hitting the roof thousands of kilometres away. A TV report about household waste collected weekly across Britain for recycling being shipped and dumped in India has the green brigade up in arms. As part of …

Application of microwave energy on the stabilization of copper containing industrial sludge

Because of the high concentration of heavy metals in the sediment sludge produced from industrial wastewater treatment, direct disposal of this sludge in landfill sites will cause serious soil and groundwater pollution. Traditionally, the industrial sludge in Taiwan is first solidified and the products need to pass through the toxicity …

Heavy metals removal from contaminated soil by Siam Weed and Vetiver Grass

The ability for heavy metals removal by C. odorata and V. zizanioides grown on contaminated soil and synthetic contaminated soil in experimental pots was investigated. Both contaminated and uncontaminated soils, for preparing the synthetic contaminated soil in this study, were obtained from Mae Sot district, Tak province.

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