100 TPD Integrated Solid Waste Management Facility at Cacora, South Goa

Goa Waste Management Corporation

26 Jul 202306:25

Summary

TLDRGoa's second Integrated Waste Treatment Facility, located in Kakura, South Goa, processes 100 tons of waste daily, addressing the needs of local bodies. Supported by NABARD's Rural Infrastructure Development Fund, the project remediated a former waste dump site and now handles both wet and dry waste through advanced segregation and biogas generation. The facility produces electricity, compost, and RDF, contributing to the local energy grid. Equipped with modern safety and monitoring systems, it is a sustainable initiative promoting clean energy and environmental responsibility, aligning with the goal of a 'clean and green Goa.'

Takeaways

♻️ Goa's second Integrated Waste Treatment Facility in Kakura, South Goa, was established by GWMC and Wasselda Waste Treatment Pvt. Ltd. with a capacity of 100 tons per day.
🏦 Financial assistance for the project was provided by NABARD under the Rural Infrastructure Development Fund (RIDF), which started in 1995-96.
🌿 The facility supports sustainable rural development through Solid Waste Management, which has become a priority under RIDF.
🚛 Around 25,000 cubic meters of previously dumped waste was remediated in 2019 to clear the land for the waste treatment facility.
🏘️ The Kakura facility processes waste from 30 local bodies, including 4 municipal councils, following an integrated treatment process for wet and dry waste.
⚖️ Waste is separated into heavy, medium, and light fractions, with recyclable materials weighed, sorted, and sent to recyclers, while light fractions are used as RDF (Refuse-Derived Fuel).
💡 The facility generates electricity through biogas engines (800 kW capacity), with excess biogas flared off. The electricity powers the plant, with surplus energy sent to the grid.
🌱 Wet waste is processed into compost after undergoing various treatments, including thermophilic digestion and solar drying.
🚮 Residual waste, less than 10% of the total waste, is scientifically disposed of in a lined landfill designed to prevent contamination.
🏭 The facility is fully automated with a PLC SCADA system, monitored by cameras, and includes safety features like firefighting systems and biofilters to control odors.

Q & A

What is the capacity of the Integrated Waste Treatment Facility in Kakura, South Goa?
-The facility has a capacity of 100 tons per day.
Which organization provided financial assistance for the waste treatment facility?
-The financial assistance was provided by NABARD (National Bank for Agriculture and Rural Development).
What was the primary goal of the Rural Infrastructure Development Fund (RIDF) when it started?
-The RIDF was initially aimed at providing loans to state governments for completing incomplete projects related to irrigation, flood protection, and watershed management.
What transformation has occurred in the scope of RIDF over the years?
-The scope of RIDF has expanded to include activities such as Solid Waste Management, which are essential for holistic rural development.
What was the state of the land before the Kakura Solid Waste Management Facility was set up?
-The land had been used for dumping waste collected by neighboring local bodies, and about 25,000 cubic meters of dumped waste was remediated and disposed of scientifically in 2019.
How many local bodies will the Kakura facility serve, and which areas are included?
-The facility will serve around 30 local bodies, including 4 municipal councils.
How is the waste processed at the Kakura facility?
-Waste is brought by panchayats, weighed at a station, and unloaded into an infeed bunker. It is then sorted into heavy, medium, and light fractions, with recyclable materials separated, weighed, and stored for recycling.
What happens to the wet waste at the facility?
-Wet waste is homogenized by screw conveyors, processed in an organic extrusion press, and sent to a thermophilic digester, where it ferments to generate biogas.
How is biogas used at the facility?
-The biogas generated is scrubbed of H2S and used to power 800-kilowatt engines, with excess biogas being flared off. The generated electricity runs the processing facility, with any surplus exported to the grid.
How is the solid waste managed after the digestion process?
-The digested sludge is dewatered using a screw press and centrifuge, dried in solar drying sheds, and converted into granulated compost.
How is environmental safety ensured at the facility?
-Effluent from the facility is treated in an Effluent Treatment Plant (ETP), air quality is maintained using filters and cooling systems, and the plant is equipped with firefighting systems. The facility is monitored via cameras and a PLC SCADA system.
What are the main outputs of the Kakura Solid Waste Management Facility?
-The main outputs include electricity, compost, recyclables, and Refuse-Derived Fuel (RDF).

Outlines

00:00

🏗️ Goa's Second Integrated Waste Treatment Facility and Financial Assistance

The paragraph introduces Goa's second Integrated Waste Treatment facility in Kakura, South Goa, with a capacity of 100 tons per day. The project, supported by financial assistance from NABARD through the Rural Infrastructure Development Fund (RIDF), aims to improve waste management. The RIDF, launched in 1995-96, initially focused on infrastructure for irrigation and flood protection but has expanded to include waste management, recognizing its importance for rural development. The Kakura site was previously a waste dump, remediated in 2019, clearing 25,000 cubic meters of waste for this new facility.

05:01

♻️ Sustainable Waste Processing for 30 Local Bodies

This paragraph explains how the Kakura facility handles waste from around 30 local bodies, including four municipalities. The facility employs an integrated treatment approach, with separate processing lines for wet and dry waste. Waste is brought to the facility by trucks, weighed, and processed through conveyors. Waste is sorted into recyclable fractions, which are then weighed, stored, and sent for recycling. Light fractions are sent to the RDF storage area for co-processing in cement companies. The facility adopts advanced segregation techniques to maximize recycling and resource recovery.

🌱 Organic Waste Treatment and Biogas Generation

This paragraph details the treatment of wet waste at the Kakura facility. Wet waste is homogenized by screw conveyors and processed through an organic extrusion press. The organic pulp is transferred to a thermophilic digester, where it ferments and generates biogas. The biogas is scrubbed to remove H2S and used in biogas engines with an 800-kilowatt capacity. Excess biogas is flared off, and the generated electricity powers the facility, with the surplus exported to the grid. The remaining sludge undergoes dewatering and drying in solar sheds, producing high-quality compost.

🛠️ Final Waste Disposal and Environmental Safeguards

This section covers the final steps in waste management. The residual waste, less than 10% of the total, is disposed of in a scientifically constructed landfill, lined with HDPE and geotextile materials. Effluent from the facility is treated in an Effluent Treatment Plant (ETP) to reduce pollution before reuse. The treated water is used for gardening and fire safety. Odor control is maintained through biofilters, and air quality in sorting stations is regulated with air filters and cooling systems. The entire facility is monitored through a SCADA-based system and equipped with safety features, including a firefighting system.

🌍 Positive Environmental and Community Impact

This final paragraph highlights the outputs of the Kakura Solid Waste Management Facility, which include electricity, compost, recyclables, and RDF. The facility supports both village panchayats and municipal councils, contributing significantly to a cleaner and more sustainable environment in South Goa. The project is celebrated as one of the best practices in waste management in Goa, making a visible difference in the area. The paragraph concludes with a congratulatory message to the team for their role in driving Goa's green campaign and waste-to-energy initiatives.

Mindmap

Keywords

💡Integrated Waste Treatment Facility

An Integrated Waste Treatment Facility refers to a plant designed to manage and process both wet and dry waste through various treatment methods. In the video, the facility in Kakura, South Goa, processes 100 tons of waste per day and is equipped with systems for separating, recycling, and generating energy from waste, showcasing a holistic approach to waste management.

💡Solid Waste Management

Solid Waste Management involves the collection, treatment, and disposal of solid materials that are discarded as waste. The video emphasizes the facility's role in managing waste from 30 local bodies, including municipal councils, using advanced techniques to separate and process the waste into recyclable materials, compost, and energy.

💡NABARD

NABARD, or the National Bank for Agriculture and Rural Development, provides financial assistance for infrastructure projects in rural India. The video mentions how NABARD supported the establishment of Goa's Integrated Waste Treatment Facility, highlighting its importance in funding sustainable development initiatives like solid waste management.

💡Brownfield Project

A Brownfield Project refers to the redevelopment or reuse of previously contaminated or underused land. In this context, the Kakura waste treatment facility was built on land that had previously been used as a dumping ground for waste, which was remediated before the new facility was constructed.

💡Biogas

Biogas is a type of renewable energy produced from organic waste through anaerobic digestion. In the video, the wet waste processed at the facility is fermented to generate biogas, which is used to produce electricity. This energy not only powers the facility but also contributes excess electricity to the grid.

💡Refuse-Derived Fuel (RDF)

RDF refers to combustible waste materials used as fuel, typically in industrial processes like cement manufacturing. The Kakura facility separates lighter waste fractions to produce RDF, which is then sent to cement companies for co-processing, demonstrating a waste-to-energy approach.

💡Effluent Treatment Plant (ETP)

An Effluent Treatment Plant treats wastewater to remove pollutants before it is released or reused. The video describes how effluent from the Solid Waste Management Facility is treated through various processes like filtration and disinfection, ensuring that water is safe for purposes such as gardening.

💡Thermophilic Digester

A Thermophilic Digester is a system that processes organic waste at high temperatures to accelerate the production of biogas. In the facility, wet waste undergoes digestion in this system, producing biogas that powers engines, further contributing to sustainable energy production.

💡Composting

Composting is the process of breaking down organic waste into nutrient-rich soil additives. The Kakura facility dewaters sludge from its digestion process, which is then composted in solar drying sheds, creating a high-quality granulated compost that is sold or used for agricultural purposes.

💡SCADA System

SCADA (Supervisory Control and Data Acquisition) is an automated system used to monitor and control industrial processes. In the Kakura facility, a SCADA-based system is used to manage the waste treatment process, providing real-time data and ensuring efficient operation of the plant.

Highlights

Goa's second Integrated Waste Treatment Facility in Kakura, South Goa, processes 100 tons of waste per day.

The project is financially assisted by NABARD under the Rural Infrastructure Development Fund (RIDF), established in 1995-96.

Solid Waste Management, considered a key element of rural infrastructure, is financed under RIDF to support sustainable development.

Around 25,000 cubic meters of waste dumped at the facility site was remediated in 2019 before setting up the waste management plant.

The facility serves about 30 local bodies, including four municipal councils, by treating their waste at a common site.

The waste is segregated into three fractions: heavy, medium, and light, with recyclable materials separated and stored for processing.

Refuse-Derived Fuel (RDF) from light waste fractions is used for co-processing by cement companies.

The facility generates biogas from wet waste through thermophilic digestion, which powers an 800 kW biogas engine.

Excess electricity produced by the facility is exported to the grid, further contributing to sustainable energy.

The facility produces high-quality compost from dewatered sludge, which undergoes solar drying and composting processes.

Less than 10% of the waste is sent to a scientific landfill, lined with bentonite, HDPE, and geotextile for safe disposal.

The Solid Waste Management Facility also has an effluent treatment plant (ETP) for treating water used in the waste management process.

Ambient air in the sorting station is filtered and cooled to ensure a clean environment for workers and waste treatment.

The entire facility is monitored and controlled through a SCADA-based system from a central control room with visual contact of key areas.

The project contributes to Goa's 'Clean and Green' initiative, serving as a model for waste-to-energy solutions in the region.