Waste Treatment

Judgment of the National Green Tribunal regarding plywood factories operating in Yamuna Nagar, Haryana, 27/05/2025

Judgment of the National Green Tribunal, May 27, 2025 in the matter of Sumit Saini Vs Shree Ram Steel Industries & Others. Sumit Saini, resident of village Damla, District Yamuna Nagar, Haryana had sent a letter petition dated May 14, 2022 to the NGT. The application said that around 25 …

Burning waste to make cement

Aasha Khosa / New Delhi ACC uses cow dung, old shampoo, soap, paint sludge and even municipal waste in five plants. Cow dung, old shampoo, soap, paint sludge and even municipal waste are fed into furnaces that burn lime into cement at the plants of India's leading cement manufacturer, ACC. …

How To Go Green

Reduce, Reuse, Recycle, Renew. This was once the eco-warrior's credo, recommended to consumers in Europe. Today, however, environmentalists say that more critical than the 4 Rs is a simple word that ought to become a slogan: deconsume. Deconsume sounds like Mahatma Gandhi's mantra: Live simply, so that others may simply …

Not enough water? Manufacture some, says Israel

India could learn a thing or two from Israel when it comes to supplying municipal water to meet ever-rising demands. "Manufactured water' is probably the ideal solution, says Mo Provizor, director of the Israeli Water Authority. Speaking to The Indian Express on the sidelines of WATECH 2008, an international conference …

MLA threatens to stop dumping at Sonsodo

The situation at the Sonsodo garbage dump yard is slowly but surely heading towards unmanageable proportions, even as Curtorim MLA Reginaldo Lourenco has threatened to stop garbage dumping at the site if the government fails to work out a solution immediately. A month have gone since Hyderabad-based Hyquip Project signed …

Physicochemical characterization of rice straw pretreated with sodium hydroxide in the solid state for enhancing biogas

The biogas yield of rice straw during anaerobic digestion can be substantially increased through solid-state sodium hydroxide (NaOH) pretreatment. This study was conducted to explore the mechanisms of biogas yield enhancement.

Report of the task force on environmentally sound management of mercury in fluorescent lamps

Ministry of Environment & Forests (MoEF) in the Government of India constituted a Task Force, under the chairmanship of Sh. R H Khwaja, Additional Secretary in MoEF; in August, 2007 in view of the exigency for ensuring environmentally sound disposal of the used mercury-bearing lamps, particularly, with the exponential rise …

Big savings from less rubbish

A typical product on a supermarket shelf will have had about one hundred times its own volume of waste created before it reaches the consumer, according to Forum for the Future, an environmental charity. Meeting the demand for food, water, timber and fuel has caused a terrifying spike in the …

Student designs car made from junk

A student of CT Institute of Engineering, Management and Technology, Jalandhar, (CTIEMT) demonstrated a car designed by him made from recycled waste parts collected from a junkyard. After one and a half month's hard work, what emerged was a full fledged car named Blitz. The mastermind behind the design is …

Bioremediation of ammonia, nickel and hexavalent chromium from synthetic solutions by non-pathogenic microorganisms

Bioremediation seems to be a good alternative to conventional clean-up technologies. Bioremediation has advantage over conventional physical and chemical methods such as precipitation, adsorption, electrodialysis and reverse osmosis. The aim of this work was to remove ammonia, nickel and hexavalent chromium from synthetic solutions by bioremediation technique.

One persons waste, anothers resource (editorial)

Waste not, want not, is a maxim many of us were brought up on. It's a saying that we tend to forget in today's throwaway society, and though we are urged daily to save energy, when it comes to smaller things, it's surprising how lax we can become. One look …

Indian Railways" experimentation with eco friendly toilets

If you happen to travel in Rewa Express, you will notice a slight change in its coaches: small steel tanks fitted between the wheels. These are part of environment-friendly toilets, where the excreta is treated and stored. Coaches in Rewa Express, running between Delhi and Rewa in Madhya Pradesh, are …

Air treatment

Toilets in aircraft do not flush with water; suction removes the waste into a collection bin below. When one flushes the toilet, it opens a valve in the sewer line, and the vacuum in the line sucks the contents out of the bowl and into a tank. Since vacuum does …

BMC gets grant to purchase space for disposing waste

The Government has sanctioned a grant of Rs 35 lakh to Bicholim Muncipal Council (BMC), to purchase space for the disposal of garbage at Lakherim in Bordem-Bicholim. Speaking to reporters, BMC Mayor Satish Gaonkar stated that the garbage disposal site selected by BMC belongs to Bordem Comunidade. "The Bordem Comunidade …

City Corp facing waste crisis, says Joaquim

Urban Development Minister Joaquim Alemao today said that the Corporation of City of Panaji (CCP) is currently facing crisis in collecting and disposing municipal solid waste due to non-availability of a dumping site. Replying to fears raised by the Panjim MLA Manohar Parrikar and Curtorim MLA Aleixo Reginaldo, Alemao stated …

Three ultra-modern sanitary landfill sites coming up

To counter the growing problem of waste disposal in the Capital, the Municipal Corporation of Delhi is developing ultramodern sanitary landfill sites at three locations in Jaitpur, Narela-Bawana and Bhatti Mines. In a statement on Tuesday, MCD Standing Committee Chairman Vijender Gupta said Delhi was one of the most populated …

Residents protest fire at Deonar dumping ground

Around 40 residents from the Chembur area resorted to a hunger strike on Monday to protest against the frequent fire and smoke at the Deonar dumping ground. Residents, including some doctors, claimed that the daily fire in the dumping ground has resulted in respiratory diseases like bronchitis and asthma among …

Tapered fluidized bed reactors for waste water treatment - A critical review

Anaerobic treatment of industrial waste water has gained considerable importance in the past decade. Research and development programme has been pursued by both engineers and microbiologists resulting in a better understanding of the microbiology of anaerobic reactions and reactor design.

Muncipal solid waste management in Ujjain

The study is to analyse the solid waste disposal system and suggest suitable modification in the present solid waste management practice in city and find out the gap and deficiencies and suggest the remedial measure in the form of solid waste management plan to have safe and clean environment in …

Now, AMC will burn waste to generate power

One of the country's largest landfill sites, being readied at Gyaspur-Pirana on the outskirts of the city, will soon see a captive power plant in the coming months. The Ahmedabad Municipal Corporation (AMC) plans to burn "organic' waste collected from various domestic and commercial sources to run a generator running …

Soiled notes reborn as fine paper

Shredded notes in the process of transformation to fine paper at Kumarappa National Handmade Paper Institute in Jaipur. It may look alchemy working in reverse order. Nevertheless it is alchemy turning waste into wealth once again. Soiled currency notes undergo metamorphosis in Jaipur's Kumarappa National Handmade Paper Institute (KNHPI) to …

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