Industrial Waste Treatment

Order of the National Green Tribunal in the matter of Futala lake pollution, Nagpur, Maharashtra, 05/06/2025

Order of the National Green Tribunal in the matter of In Re: News Item titled "Futala Lake’s charm fades amid neglect and poor maintenance appearing in ‘The Times of India’ dated 25.05.2025". The original application was registered suo-motu based on the news item titled "Futala Lake’s charm fades amid neglect …

Cuddalore flouts rules

On the night of March 7, a thick pall of smoke enveloped Kudikadu village near Cuddalore. It made people ill; over 120 persons had to be hospitalised after they complained of nausea, giddiness and eye irritation. The white smoke was bromine gas and its source: pharma company Shasun Pharmaceuticals, which …

Suitability of Rhizopus Stolonifer for removal and recovery of Cr (T) from dilute tannery effluent

Contamination of aquatic resources by a variety of heavy metals is of growing concern because of health risk posed by the exposure to flora and fauna as well as human being. The vast majority of toxic metals are the waste products/by products of industrial and metallurgical processes. Other possible sources …

Studies on the removal of reactive Orange 16 from aqueous solution using cocoa shell carbon as an adsorbent

The objective of this study was to investigate the removal of reactive orange 16 (RO16) dye from synthetic wastewater by the adsorption on cocoa (Theobrama cacao) shell activated carbon (CSAC).

Activated charcoal (neem oil cake) treatment of spent sulphite liquor wastewaters in three-phase fluidized-bed reactor

The aerobic pollution load (COD and BOD) removal of spent sulphite liquor using activated porous spherical charcoal prepared from neem oil cake both as an adsorbent and fluidizing particle was studied in a fluidized-bed reactor.

Reusing industrial effluents contaminated with heavy metals

A spiral wound membrane is a unique configuration that provides excellent structural integrity. The design is completely rigid, and no stress is placed on the membrane surface.

Thermax looks to buy up to $100-m water treatment company

Company will spend . 400 crore on capital expenditure in FY12 Thermax is scouting overseas to buy a company worth up to $100 million in industrial waste water treatment space, said Managing Director MS Unnikrishnan. "Our target market for water treatment projects in India is worth . 4,000-4,500 crore. Within …

Japan plant workers remove toxic water

Workers at a quake-hit nuclear plant in Japan on Tuesday began removing highly radioactive water from a reactor turbine building, a key step towards restoring cooling systems, the government said. The magnitude 9 earthquake and tsunami that hit the northeast coast of Japan on March 11 knocked out power systems …

Waste to wealth -Cross sector waste recycling opportunity and challenges

Increase in the global greenhouse gases emission drastically increases the hot weather. Due to mismanagement of waste and natural resources, we have already experienced several warning from global warming and climate change. Waste are indeed wasted resources, at this juncture, it is imperative to leverage the R&D; organizations expertise, technologies …

Transforming waste into green energy

Global Water Engineering (GWE) has partnered with Chokyuenyong Industrial in Thailand to cut effluent COD pollution levels at its cassava production plant by more than 95% while extracting gas from its wastewater to power its boilers and generate electricity for its own use and to sell back to the provincial …

Common effluent treatment plant helps industrial sectors to treat effluents

The treatment techniques used to treating wastewater are based on the knowledge and design application of the treatment process required. This varies depending on the kind of wastewater being treated.

Cleaner technology concept through micro particle - To control pitch/stickies, retention/drainage aid and effluent treatment

To achieve the sustainability, many paper mills are shifting from pollution control to pollution prevention through cleaner technology-recycling/reuse water and solid waste and thus reducing pollutants and also to save the energy. Cleaner technology concept starts from pulp mill/deinking plant by controlling pitch/stickies, paper machine to control colloidal, dissolved materials …

Anaerobic treatment of wheat straw wash water

Black liquor management for small and medium mills based on agri-residues is still a problem, though several technologies are developed. One of the non conventional technologies being practiced by many of the mills is Modified Copeland Process.

Strategy for reduction in water consumption and achieving zero discharge

Total water and environment management in a paper mill is the need of the hour to ensure that the dual needs of lower water consumption as well as eliminating waste discharge are met. This is made possible by having an holistic approach to the problem rather than looking at end …

Zero discharge to river from an integrated pulp and paper mill - An OPM Amlai, initiative

Orient Paper Mills, Amlai is an old integrated pulp and paper mill. There is a continuous effort to reduce water consumption per ton of paper produced. The plant is a pioneer in effectively using the treated effluent for its own plantation through HRTS and do not discharge any coloured effluent …

Take & report green steps, cos told

THE government will make it mandatory for companies to report measures taken to prevent environmental damage as it steps up drive to encourage cleaner production methods. The ministry of corporate affairs is revising the guidelines on corporate social responsibility (CSR) issued last year to add detailed norms on environmental sustainability. …

ONGC asked to stop drilling

THE Tripura State Pollution Control Board has ordered public sector company, Oil and Natural Gas Corporation (ONGC), to suspend exploratory drilling at Aralia village near Agartala in mid- September. The move follows site inspection by the Central Pollution Control Board (CPCB) that found ONGC flouting environmental norms. The company is …

Ecofriendly and cost effective treatment of herbal and bulk drug pharmaceutical wastewaters using Spirulina

An attempt has been made to study the feasibility of pharmaceutical (both herbal and bulk drug) wastewater treatment using saline water alga Spirulina platensis. Results showed good reduction in COD/BOD/ sulphates and chlorides.

Toxicity evaluation of ozonation treated textile dyeing wastewater

Toxicity evaluation is an important parameter in wastewater quality monitoring as it provides the complete response of test organisms to all compounds in wastewater. Grab samples of raw and ozonated textile dyeing wastewater was collected from the textile mill in Erode, Tamil Nadu.

Thermal plant on clean-up drive

Bokaro, Aug. 19: Bokaro Thermal Power Station is on a serious mission to clean up its act and ensure zero-discharge of harmful effluents into the open and nearby river with the management now hopeful of achieving its target by early 2011. In the face of a continuing public outcry, including …

Solidification and stabilization of chromium laden wastes in cementitious binders

Solidification/stabilization (S/S) technology was applied to a simulated sludge containing chromium. Leaching tests such as toxicity characteristic leaching procedure (TCLP), ANS 16.1 and multiple TCLP tests conducted on stabilized blocks showed that chromium was immobilized by the binder studied. A linear relationship was obtained between the cumulative fraction of chromium …

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