Sewage Treatment Plants (STP)

First food: business of taste

Good Food is First Food. It is not junk food. It is the food that connects nature and nutrition with livelihoods. This food is good for our health; it comes from the rich biodiversity of our regions; it provides employment to people. Most importantly, cooking and eating give us pleasure. …

Studies on the possibilities of waste water irrigation of the sewage effluent from the designed sewage treatment system

In this modern world of advanced techniques, sewage treatment works are considered to be one of the most popular procedures carried out to use the treated wastewater for agricultural purposes or to dispose off on to the land. The primary objective of this study is to design a Sewage Treatment …

Activated sludge process treatability studies on combined tannery and domestic wastewaters

In the present study, an attempt has been made to evaluate the treatability of a combined tannery and domestic wastewater using lab-scale activated sludge reactor under extended aeration. Studies on the efficiency of the activated sludge reactor were carried out by varying the hydraulic retention time of 15, 20, 25 …

Global phosphorus flows and environmental impacts from a consumption perspective

Human activities have significantly intensified natural phosphorus cycles, which has resulted in some serious environmental problems that modern societies face today. This article attempts to quantify the global phosphorus flows associated with present day mining, farming, animal feeding, and household consumption. Various physical characteristics of the related phosphorus fluxes as …

Chemical water management and cost recovery issues: Case studies of Sivas and Fethiye in Turkey

In this paper, the economic impact of having a wastewater treatment plant (WWTP) for medium sized towns (Sivas and Fethiye) in Turkey with the objective of environmental pollution prevention is assessed by taking investment and operation costs, required tariff levels, affordability and willingness to pay of the users into account.

Yamuna keeps waiting, plans pile up

Cleaning The River By 2010 Is A Tall Order, Environmentalists Sceptical Of Govt Claims. If the government's claims are anything to go by, the Yamuna will be

Delhi Jal Board: Unfiltered

Arun Mathur, CEO DJB is confident that the DJB will go from strength to strength What are the noteworthy water management projects launched in the city and what is the potential for improving supply and distribution? DJB has, through a variety of management initiatives, ensured availability of safe and potable …

Wait for sewage treatment plant may get longer for Mohali residents

Sas Nagar: The Greater Mohali Area Development Authority (GMADA) recently tested its sewage treatment plant. But there is neither an approach road to the plant, nor any arrangement to transport the sewage water to the main treatment plant. According to sources in GMADA, the work for the approach road has …

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 …

PMC has a sewage job on hand

The general body meeting of Pune Municipal Corporation witnessed a row over the effluents and sewage water being released into the Mutha-Mula Rivers on a large-scale. However, Municipal Commissioner Praveensinh Pardeshi admitted that at present the PMC only has half the number of sewage treatment plants (STP) needed for the …

Proposed sewage treatment plant at Thiruvananthapuram: initial environmental examination

Kerala Sustainable Urban Development Project (KSUDP) has been launched in Kerala with the assistance of Asian Development Bank (ADB) covering 5 major cities in Kerala namely Thiruvananthapuram, Kollam, Kochi, Kozhikode & Thrissur. The 5 cities have been grouped into two packages, namely Package-1 comprising Thiruvananthapuram & Kollam and Package-2 comprising …

Evaluation of operation and maintenance of sewage treatment plants in India-2007

Discharge of untreated sewage is single most important cause for pollution of surface & ground water since there is a large gap between generation and treatment of domestic wastewater in India. The problem is not only of adequacy of treatment capacity but also operation and maintenance of treatment plants. Several …

Rehabilitation of wastewater treatment aeration systems

The city of Bridgeport, Connecticut, employed different technologies to increase both the quality and efficiency of the West Side wastewater treatment plant.

Guidelines for water quality management

This guidelines attempt to summarize, legal and policy matter related to water quality management, the step-wise activities required for formulation of action to restore water quality, the options that may be considered for action plan, the formats for inventory of polluting activities and various water conservation measures.

Coliform MPN counts of municipal raw sewage and sewage treatment plant in relation to the water of Buckingham Canal at Kalpakkam

Water being a good solvent, is prone to physico chemical and microbial contamination. Municipal sewage, both treated and untreated is often released into the receiving water bodies, which influence water quality.

Delhi to get interceptor sewers

The Delhi government has cleared a Rs 1,950-crore project to tap drains carrying sewage from colonies not connected to the city sewers. Interceptor sewers to be used for tapping is seen by the government as a temporary solution to the problem of untreated water reaching the Yamuna. The government plans …

Kolkata reconnects with its riverfront

An ambitious riverfront development project has been drawing many visitors in Kolkata. The Millennium Park runs along Strand Road, for a kilometre on the eastern bank of the Hooghly river and has been a successful attempt to bring it back to the forefront of the city's landscape. Two sections of …

Bangalore lakes on lease

civil rights groups have protested against privatising lakes in Bangalore. The Lake Development Authority (lda) of Bangalore has leased out a few lakes, including the Hebbal lake

Excreta's economy: a true experience

Every society must understand how the excreta it produces is managed. It teaches us many things about water, about waste, about technologies to clean, economics and politics: of who is subsidised to defecate in our societies. But, most importantly, it teaches us humility. We know so little about our own …

Stench of Failure

Whether it is the quality of water or air, pollution levels in Maharashtra have crossed the danger mark and the state Government has done precious little to clean up its act------- Next time you are seated in an aircraft, don't miss the glow on Mumbai's surface. The corona, recognisable from …

Determination of ofloxacin, norfloxacin, and ciprofloxacin in sewage by selective solid-phase extraction, liquid chromatography

A solid-phase extraction (SPE) and liquid chromatographic (LC) method was developed for the determination of selected fluoroquinolone (FQ) drugs including ofloxacin, norfloxacin, and ciprofloxacin in municipal wastewater samples. Extraction of the FQs was carried out with a weak cation exchanger SPE cartridge, the Oasis WCX. The cartridge was washed with …

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