Sewage Treatment Technology

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 …

Plant closure creating health hazards

Some 29 million gallons of untreated sewage is being dumped daily into the Mehmoodabad nullah as the Karachi Water and Sewerage Board

Clean up your act

Dhanya Matsa | ENS Chennai, THE Chennai Metropolitan and Sewerage Board has asked all commercial buildings to install a filter system to prevent solid material from entering the sewerage system. Else their sewage connection will be disconnected, the board has warned. THE 7 COMMANDMENTS Do not open manhole doors to …

Coir geotextile-packed conduits for the removal of biodegradable matter from wastewater

Majority of residential units and small-scale commercial operators in India dispose wastewater either onsite or into the public drainage systems, without paying any attention to the public health and environmental impacts. Need for high investments and the requirement for large operational space are the reasons often quoted against the installation …

Ecorestoration of ponds, lakes and rivers using BIOSANITIZER ecotechnology

Nature knows better how to keep the water sources clean and nourishing. Our traditions, also could maintain their water sources for the past 10,000 years. Water quality problems and water scarcity- both are due to pollution of air, caused by increase in the use of fossil fuels. This produces rain …

Nutrient removal by root zone treatment systems: A review

The Root Zone Treatment System (RZTS) has been used widely for nutrient removal in European countries. In spite of having its more adaptability in tropical region like India its use to address nutrient induced issues in the country is very less. The lack of widely accepted data, non consensus of …

Feasibility of constructed wetland treatment system for septic tank effluent

The septic tank is commonly accepted as sewage treatment unit in isolated areas even if its performance is not consistent. The methods employed for disposal of such effluent are unsafe and needs careful attention to avoid risk to the public health. Constructed Wetland Treatment Systems (CWTS) have been used extensively …

Municipal sewage treatment using reed bed

Experiments were carried out in laboratory using small reed bed to treat municipal sewage.

Optimum size of granite filter media for the maximum treatment of domestic sewage in upflow anaerobic biofilters

Laboratory studies were conducted to assess the influence of media related factors such as particle size, porosity, pore size and specific surface area on performance of upflow anaerobic biofilters (AnBFs). Three simple models of 8 litres capacity upflow anaerobic biofilters packed with support media granite of size 40 mm, 20 …

Application of UV in wastewater treatment

Ultraviolet light kills bacteria in wastewater without the use of chemicals. This reliable and environment friendly method was used in the project Clean Isar in Germany.

Water and sanitation get priority

For parched Delhiites, the budget this time promises a more comfortable year, even if the summer months may not be its target. With outlay of Rs 1,507 crore the government hopes to improve water supply and sanitation in the city. However, several of the schemes and plans mentioned in the …

Performance evaluation of UASB reactor for sewage treatment at Nashik

The aim of this work was to evaluate the performance of UASB reactor for treating municipal wastewater. The study has been conducted for the UASB reactor installed at Tapovan, Nashik in Maharashtra during the year 2005.

Science and technology for water purification in the coming decades

One of the most pervasive problems afflicting people throughout the world is inadequate access to clean water and sanitation. Problems with water are expected to grow worse in the coming decades, with water scarcity occurring globally, even in regions currently considered water-rich. Addressing these problems calls out for a tremendous …

Sewage treatment plants to be ready by next month

Two under-construction treatment plants for treating sewage and enabling it to be used for irrigating lands instead of discharging into the River Indus and Phulelli Canal, would be ready by next month, District Nazim Kanwar Naveed Jamil said. He said in response to journalists' queries after laying foundation stone for …

Metrowater to train technical staff involved in operating sewage treatment plants in other States

Chennai Metrowater will soon impart training to technical staff and engineers of various government agencies involved in operation and maintenance of sewage treatment plants in a few other States. The training would be part of the

GMADA tests Sec-83 sewage treatment plant

The Greater Mohali Area Development Authority has started the testing of a 10 million gallon per day capacity sewage treatment plant constructed in the proposed Sector 83 of SAS Nagar. This is the first sewage treatment plant developed in SAS Nagar that will cater to the residential as well as …

Third generation membrane bio-reactors

Membranes are key components in the majority of plants treating waste water for recycle. These days there are not only relatively small scale plants recycling waste water in factories but also large scale plants treating waste water from cities for recycle. Oct-Dec 2007

Sewage plant raises stink in Outer Delhi

Over two lakh residents of five villages in Outer Delhi have a stinking problem: living with a sewage treatment plant (STP) as their neighbour. The plant is part of the Capital's initiative to sanitise 189 villages with an "appropriate sewage disposal mechanism' by the end of 2009. The villagers moved …

Japanese technology to be used for sewage treatment

Eco Bio Blocks being used in the treatment of sewage water as part of a pilot project launched in Alandur Municipality on Monday.

Of technology, efficiencies, and human dignity

Attempting to create jobs through inefficiencies, thus forming an illusion of social development, will only amount to seeking to maintain the status quo. It is just over two decades since I left the public-sector Hindustan Photo Films (HPF) in Udhagamandalam in Tamil Nadu. HPF is now struggling to survive as …

Biological treatment of sewage water by reed bed technology - A case study of corporate sector of India

Treatment of waste water like industrial effluents and sewage is a major problem being faced by corporate sector in India. Of the late, due to major policy shift in industrial licensing policy, corporate sector have now started treatment of industrial waste before releasing the same in rivers. Gagal unit of …

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