In Goa
Panaji Corporation
Description of activity: A comprehensive city revitalization campaign.
Process adopted:
- Source segregation into eight clear waste streams (wet, paper, plastic bags, metals or glass, non-recyclable, tetrapacks, cardboard, and plastic bottles) with designated colour coding.
- Decentralized composting units for converting wet waste into manure for community usage.
- Mechanical transfer of garbage from trolley to truck without manual intervention.
- Material recycling stations within colonies for further segregation of dry waste.
Financial aspects:
- User charges levied.
- Revenue from sale of compost.
- Revenue from sale of segregated waste to recyclers for recycling.
Outcome:
- 100% Collection of segregated waste from households and sorted into 8 streams.
- Segregated wastes transported to recycling units and compost units for further processing.
- Waste to landfill minimized.
M/S Hindustan Waste Treatment Pvt. Ltd., Saligao
Description of activity:
- Jointly set up by Goa waste management corporation and HWTPL.
- Old dumping yard converted into scientific integrated solid waste management.
- Wet Waste-Biogas-Energy.
- Segregation of dry waste.
- Compacting of dry waste.
Process adopted:
- Capacity: 100 TPD move to description of activities
- Fully automated unit for processing, except for the sorting of dry waste which is a manual process.
- Transfer of Mixed waste from garbage truck to the tipping floor to conveyor belt, where manual monitoring and sorting is performed by trained workers.
- Segregated dry waste is sold to recyclers.
- RDF is sent to Cement and brick kiln industries to be used as fuel.
- Reject is compacted and sent to sanitary landfill site within the premises.
- Wet waste is converted to biogas which is used to generate electricity which is partially self-consumed and rest is sold to the grid.
- The slurry from Biogas plant plant is subjected to In vessel composting, compost generated is sold to Zuari Agro Industries.
- Waste water treatment plant for treatment and reuse of water within premises.
- The full plant is controlled and monitored via a SCADA system and CCTV Cameras.
- Employment of rag pickers.
Financial aspects:
- 456 crores investment by HWTPL
- Land given by Government of Goa
- Sale of compost
- Sale of recyclables
- Sale of electricity to the grid
Outcome:
- The plant generates 340kW an hour, over 7,000kW on a daily basis.
- 4000kW is self-consumed and 3,000kW is sold to the grid at the rate of Rs 2.4 per unit.
- Scientific management of 100 TPD of solid waste
Source: Visit by IIHS team and http://www.dbcegoa.ac.in/report-on-field-visit-to-hindustan-waste-treatment-pvt-ltd-saligao/
| Integrated SWM facility of Hindustan waste treatment Pvt. Ltd. Locate on reclaimed landfill site | Conveyer belt for hand sorting of dry waste |
| Conveyer belts for transfer of waste | CCTV camera footage |
Trial run on Calangute beach
Description of activity:
- Rewarding tourists who collected and deposited waste
Process adopted:
- Students from the Goa Institute of Management (GIM) conducted a train run on the Calangute beach to collect waste from the beach
- they were successful in collecting a sizeable amount of plastic during this trail run
- they had tie up with 16 restaurants around the beach to give discounts coupons to tourists who collected and deposited waste.
Outcome:
- It was a win-win situation for all. The people bringing waste received coupons, Restaurants benefit from an increase in footfall, panchayats are happy that their beaches are kept clean.
CITAG 