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Algae-Based Wastewater Oxidation Pond System (AIWPS) to Treat Ganga Water in Varanasi

September 15th, 2009 | 1 Comment | Posted in Algae-Cultivation-Sewage, Algae-Wastewater-Treatment

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Sankat Mochan Foundation (SMF) plans to use AIWPS(Algal Based Wastewater Oxidation Pond System) for cleaning the Ganga under the second phase of the Ganga Action Plan (GAP) in Varanasi.

Veer Bhadra Mishra, President of SMF and a member of the National Ganga River Basin Authority (NGRBA) said “The engineering fraternity has a role to play in neutralising the adverse effects on the climate by applying green technologies, phasing out GHG-producing sources and combating the existing effects on climate to save the Earth,”


His tireless advocacy for the application of Advanced Integrated Wastewater Oxidation Pond System (AIWPS) technology for the treatment of sewage resulted in its inclusion in the second phase of GAP in Varanasi.

He claims that unlike other technologies used in GAP, the AIWPS technology is carbon negative. According to him, the technology is based on research involving physical, chemical and microbiological laboratory, pilot plant and field study. It has established the most efficient way to use solar energy for algal photosynthetic oxygen release from the supporting water and discovering the special design requirements to foster pond methane formation. According to him, this technology has been successfully used at many places in California and elsewhere.

Mishra says AIWPS is a series of four ponds – advance facultative pond (AFP), high rate pond (HRP), algal settling pond (ASP) and maturation pond (MP). The wastewater is screened and de-gritted before it is allowed to go through the AIWPS. In this technology, produced methane gas is purified 85-88 per cent and collected in the submerged gas collectors. The greenhouse gas emission is minimised and carbon dioxide generated during fermentation and electricity generation is absorbed in the pond. The system is designed to grow crop of algae and release a maximum amount of free molecular oxygen in dissolved state (DO) to the surrounding water under controlled conditions. The DO in soluble form goes to bacteria, which break down organic waste.

Source: Times of India

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One Response to “Algae-Based Wastewater Oxidation Pond System (AIWPS) to Treat Ganga Water in Varanasi”

  1. Shubham India Says:

    sewage treatment plant

    Sewage treatment plant, or domestic wastewater treatment, is the process of removing contaminants from wastewater and household sewage, both runoff (effluents) and domestic. It includes physical, chemical, and biological processes to remove physical, chemical and biological contaminants. Its objective is to produce an environmentally-safe fluid waste stream (or treated effluent) and a solid waste (or treated sludge) suitable for disposal or reuse (usually as farm fertilizer).

    http://www.sewagetreatmentplant.in/

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