Wastewater

Greening the blue report 2023

The annual Greening the Blue Report – The UN system’s environmental footprint and efforts to reduce it shows the progress both at the UN system-wide level and entity level of implementing the Strategy for Sustainability Management in the United Nations System 2020-2030, Phase I: Environmental Sustainability in the Area of …

Order of the National Green Tribunal regarding the flow of contaminated water from the industrial unit of SON Ankur Exports Pvt. Ltd., Solapur, Maharashtra, 02/12/2015

Order of the National Green Tribunal (Western Zone Bench, Pune) in the matter of Manoj Jalamchand Oswal Vs. SON Ankur Exports Pvt. Ltd. & Ors. dated 02/12/2015 regarding the flow of contaminated water from the industrial unit of SON Ankur Exports Pvt. Ltd as a result of which the water …

Economic valuation of wastewater: the cost of action and the cost of no action

This report presents the results of an analytical study on the economic valuation for wastewater, comparing the cost of no action versus the cost of effective wastewater management. Although economic valuation of wastewater management is complex, it remains an important tool to guide policymakers and investors to take informed decisions. …

Consumer perceptions of fruit and vegetable quality: certification and other options for safeguarding public health in West Africa

With increasing change of traditional diets and the emergence of new supply and marketing chains, urban food consumers in low-income countries are faced with multiple food safety challenges, among which microbial contamination and pesticides are key concerns for vegetables sold on urban markets in West Africa. Although consumers have a …

Good practices for regulating wastewater treatment: legislation, policies and standards

This UNEP publication presents a critical analysis of successful cases for regulating wastewater treatment and management in six countries - Argentina, Austria, Finland, Jordan, Singapore and South Africa. It reviews procedures and processes in the implementation of wastewater legislation and may be useful for other countries in addressing the global …

Persistence of Ebola virus in sterilized wastewater

In the wake of the ongoing 2014/2015 Ebola virus outbreak, significant questions regarding the appropriate handling of Ebola virus-contaminated liquid waste remain, including the persistence of Ebola virus in wastewater. To address these uncertainties, we evaluated the persistence of Ebola virus spiked in sterilized domestic sewage. The viral titer decreased …

Draft notification on the various standards for cement plant with co-processing of wastes

The following draft notification, which the Central Government proposes to issue under the Environment (Protection) Act, 1986 (29 of 1986), is hereby published for the information of public likely to be affected thereby; and the notice is hereby given that the said draft notification shall be taken into consideration on …

Draft notification on the various standards for paint industry

The following draft notification, which the Central Government proposes to issue under the Environment (Protection) Act, 1986 (29 of 1986), is hereby published for the information of public likely to be affected thereby; and the notice is hereby given that the said draft notification shall be taken into consideration on …

Question raised in Rajya Sabha on waste water and sewage treatment plants, 11/05/2015

Question raised in Rajya Sabha on waste water and sewage treatment plants, 11/05/2015. State-wise, the capacity of sewage treatment plants in Class-I & Class-II towns as per Central Polution Control Board report published in 2009 is at Annexure-1.

Market opportunities for decentralized wastewater treatment systems in South-East Asia

The report on Market Opportunities for Decentralised Wastewater Treatment Systems (DEWATS) in South-East Asia (SEA) is prepared within the frame of the joint project of ESCAP and UN-Habitat on “Strengthening capacity of policymakers in SEA to promote policies and developing plans for improved wastewater treatment and reuse in urban and …

Contribution of sewage treatment to pollution abatement of urban streams

In this study, we assessed the efficiency and effectiveness of the Vrishabhavathy Valley Treatment plant (VVTP) in Bengaluru city, which is the oldest STP in the city. Since VVTP treats both raw sewage and polluted river water, with the latter constituting 80% of the influent, we sampled water quality at …

Validated predictive modelling of the environmental resistome

Multi-drug-resistant bacteria pose a significant threat to public health. The role of the environment in the overall rise in antibiotic-resistant infections and risk to humans is largely unknown. This study aimed to evaluate drivers of antibiotic-resistance levels across the River Thames catchment, model key biotic, spatial and chemical variables and …

Performance evaluation of prevailing biological wastewater treatment systems in West Bengal, India

The present study has been undertaken to evaluate the performance of wastewater treatment systems (WWTS) in three different districts (Kolkata, Howra and Hugli) in West Bengal, India. Performance of these wastewater treatment plants are essential parameter to be monitored as the treated effluent is discharged into River Ganga which is …

Surfactants pose minimal risk to environment

A new study has revealed that the most common soaps, shampoos and detergents do not harm the environment. Senior researcher Hans Sanderson, Department of Environmental Science, Aarhus University, said that humans use several million tons of surfactants a year on a global scale, which amounts to billions of kilos, so …

Najafgarh drain-Sampling and analysis

Over the past years, due to rapid industrialization and advanced agricultural activities environmental deterioration is becoming a major concern. Water is one of the most important and basic natural resource which is being used in industries, agricultural activities as well as for the domestic and commercial purpose. These activities leads …

Building competitive green industries: the climate and clean technology opportunity for Developing Countries

Much of the emphasis on climate change has been on urging countries to act to avoid environmental catastrophe. This new report, “Building Competitive Green Industries: the Climate and Clean Technology Opportunity for Developing Countries”, frames responding to climate change as an extraordinary economic opportunity, particularly in developing countries. The report, …

The IBNET water supply and sanitation blue book 2014

Well-run water utilities play an important role in ending poverty and boosting shared prosperity. Consumers need reliable access to high quality and affordable water and sanitation services. To deliver these basic services efficiently and effectively requires high-performing utilities that are able to respond to urban growth, to connect with the …

Pollution Board asks hospitals to follow norms

The State Pollution Control Board (SPCB) has asked hospitals having more than 100 beds to adhere to guidelines on discharge of waste water. “As per a decision taken in a SPCB meeting, in the initial phase, the health care establishments (HCEs) having 100 beds and above are required to take …

Fracking Fears Grow as Oklahoma Hit by More Earthquakes Than California

Squinting into a laptop perched on the back of his pickup, Austin Holland searches for a signal from a coffee-can-sized sensor buried under the grassy prairie. Holland, Oklahoma’s seismology chief, is determined to find the cause of an unprecedented earthquake epidemic in the state. And he suspects pumping wastewater from …

RO 38m wastewater projects for Amerat

MUSCAT — Oman Wastewater Services (Haya Water) yesterday signed contracts for the third and fourth packages of wastewater network project in the Wilayat of Al Amerat (A3, A4). Those RO 38 million contracts included establishment of networks for water treatment in the northern and eastern areas of the wilayat. Mohsen …

On-farm treatment options for wastewater, greywater and fecal sludge with special reference to West Africa

This paper focuses on the on-farm treatment of waste water, particularly in West Africa, and argues that while although it can hardly replace conventional treatment, it can contribute to risk reduction, especially if combined with other barriers such as safe irrigation practices and post-harvest crop washing. It argues that ‘small-scale’ …

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