Entrepreneurship in solid waste management can be instrumental in environment protection, decentralization, economic restructuring and job creation. Entrepreneurial opportunities in solid waste planning are available in the areas of waste collection, waste handling, waste sorting, waste storage, waste transport, waste transformation and energy recovery from waste.
Entrepreneurship begins with the generation of an idea and culminates in realization of the project objectives. Historically, the improvement of waste management services by the public sector has been hampered by lack of funds in both developed and developing nations.
Waste materials destined to be processed to generate electricity
Entrepreneurs can not only invest money in solid waste management sector, but also infuse new ideas, technologies and skills which can transform waste from being a liability into an asset. The efficiency of solid waste management increases with the involvement of entrepreneurs. Infact, it has been observed that involvement of entrepreneurs in solid waste management planning can reduce the service cost by half in Latin American cities with higher employment generation and vehicles productivity.
Entrepreneurial ventures in solid waste management can range from a one-man project to a mega-scale project involving thousands of skilled and unskilled workers. It has been observed that solid waste management is a labour-intensive process with tremendous potential to generate new jobs, depending on the type of project and the level of creativity. The major areas of entrepreneurial involvement include waste collection, transportation, reuse and recycling, upcycling and power generation.
Basic safety equipment is essential to minimize health risks to informal recycling sector.
According to the World Bank, municipalities in developing countries typically spend 20 to 50 per cent of their annual budget on solid waste management, but only 40 to 70 per cent of solid waste is collected and less than 50 per cent of the population has access to municipal waste collection services.
Solid waste planning is an integral component of urban development as it contributes to public health, resource conservation and environment protection. Scientific disposal of domestic waste can prevent environmental degradation and harmful public health impacts while recycling can help in conservation of precious natural resources and energy.
Entrepreneurial activities in solid waste collection can not only increase waste collection efficiency but also improve waste management services for the marginalized sections of the society. An excellent example is the case of Nigeria-based Wecyclers which is aiming to building a low-cost waste collection infrastructure in Lagos by offering cheap and convenient domestic waste recycling services using a fleet of cargo bikes.
Waste management is an inelegant subject to discuss, but a crucial one when thinking about national infrastructure. With a growing population, and a finite volume of resources, cities across the US begin to buckle.
Waste collection and disposal is a small but essential part of a larger societal puzzle, and a vital discussion when sustainability measures are more important than ever before. But change is afoot, as the following emergent trends in recycling and waste management effectively illustrate.
Zero Waste Programs
Zero waste programs are the bread and butter of contemporary waste management solutions, being agitated for by sustainability activists and local communities and receiving widespread corporate support. Big businesses are increasingly on-board to re-evaluate their business’ waste practices – and to seek ways to bring excess waste down to zero.
More importantly, US cities are getting on board, with municipal waste programs that promote recycling and re-use techniques to citizens and businesses alike.
Technological Advancements
1. Tech-Enabled Waste Receptacles
There are many ways in which technological is having a positive impact on waste management, but some smaller developments are set to have a significant effect on urban waste collections and cleanliness. One specific scheme has seen compactors installed in larger city waste containers, allowing a much larger amount of waste to be stored.
Sensors are used in tandem with new compactor technology to alert waste removal services when an area is ready for collection. This cuts down on fuel costs and logistical issues, through cutting down the number of waste trucks and visits needs to clear an area.
AI-based waste management systems can help in route optimization and waste disposal
2. Domestic 3D Printing
Developments beyond the world of waste management could provide their own unique solutions to domestic waste management, as evidenced by the possibilities created by the 3D printer. 3D printers have become a commercial success at rapid speed, enabling consumers to ‘print’ their own designs and products out of a plastic compound. With the help of firewire cables and basic CAD software, product design has been effectively democratized.
But more innovation is on the way, as the prospect of directly recycling plastics into new products becomes a reality. Waste plastics could be ground up in the home and used to feed 3D printers, in order to create new items and effectively eliminate plastic landfill waste from that household.
Harvesting Energy
Energy harvesting from organic sources is nothing new; water treatment facilities frequently harvest methane from solid waste extracted from sewage supply, for re-sale to the energy industry. But the methods used to harvest energy from organic processes are only getting more efficient.
The result is a concerted effort to create renewable energy from organic waste sites, through the creation of bioenergy-producing waste disposal locations that receive biodegradable waste to transform into energy.
E-Waste
But, even with real leaps forward in sustainable waste measures and new technological implementations, there are new challenges on the horizon when it comes to waste management. The key challenge relates to the safe disposal of ‘e-waste’, a.k.a. disposed items of electronics – of which there is a steady-growing volume.
Electronic waste items contain dangerous materials, from toxic rare-earth minerals to corrosive substances that toxify the local environment. Recycling efforts are ongoing, but there is no easy way out for recycling circuitry. This illustrates the ongoing need for urgency in the fight against unsustainable waste.
In just a few decades plastics have become omnipresent in our society. But, unfortunately, the consequences of their use last far beyond their useful lifetime. Everyone is aware of their overwhelming dispersion in our landscapes. The situation in the oceans is not better [1]. As a reaction, a few thoughts spring to my mind.
First of all, it is clear that the industry is assuming very little responsibility, and that Public Administrations are complicit with this. Extended Producer Pesponsibility (abbreviated as EPR) only affects –and only partially– those plastics used as light packaging, in vehicles, in tyres or as part of electric and electronic equipment, not any of the others. Also, recycling levels are not sufficiently high, as a result of poor separate collection systems and inefficient treatment facilities. As a consequence, society has to face not only the problems created by those materials which are not recycled, but also has to assume a high share of the costs of managing them as waste.
Secondly, it illustrates the importance of the quality of the materials that we aim to recycle, and thus the importance of separate waste collection; for all materials, but particularly for biowaste. Although most composting and anaerobic digestion facilities have the capacity to separate some of the impurities (of which around 40% can be plastics), this separation is far from perfect.
Two recent studies confirm that the quality of compost is influenced by the presence of impurities in biowaste [2] and that, in turn, the presence of impurities is influenced by several factors [3], among which particularly the type of separate collection scheme, door to door separate collection models being those presenting better results.
Thirdly, it makes clear the urgency to adopt measures that address the root of the problem. High quality separate collection and sound waste treatment are necessary, and allow enormous room for improvement, but they are end-of-pipe solutions. It is also important to promote greener consumption patterns through environmental awareness campaigns, but this is not enough either.
We have to address the problem where it is created. And this requires measures of higher impact, such as taxes on certain products (e.g. disposable ones) or on certain materials, compulsory consideration of eco-design criteria, generalisation of the extended producer responsibility or prohibition of certain plastics (e.g. oxo-degradable ones) or of certain uses (e.g. microplastic beads in cosmetics).
One can think that these measures are a bit too hard, but honestly, after wandering around beaches and mountains, and finding plastics absolutely everywhere, I am bit disappointed with the outcome of soft solutions.
On 16th January 2018 the European Strategy for Plastics in a Circular Economy was adopted [4]. A number of measures will need to be applied by the European Union (listed in Annex I of the Strategy), by Member States and by the industry (Annex II), but also by Regional Governments and Local Authorities. No doubt that implementing the Strategy will bring about significant advances, but only time will say if it is sufficient to address the huge challenge we face.
The European Union has also recently adopted the much-awaited Directive 2019/904 of the European Parliament and of the Council of 5 June 2019 on the reduction of the impact of certain plastic products on the environment[5], which introduces several bans and restrictions on different uses and materials. This is indeed a huge step, which needs to be followed by others, both in Europe, but also elsewhere, as this is truly a global challenge.
[2] Campos Rodrigues, L., Puig Ventosa, I., López, M., Martínez, X. (2016) Anàlisi de la incidència dels impropis de la FORM sobre la qualitat del compost de les plantes de compostatge de Catalunya https://tinyurl.com/y37ncton
[3] Puig-Ventosa, I., Freire-González, J., Jofra-Sora, M. (2013) Determining factors for the presence of impurities in selectively collected biowaste, Waste Management and Research, 31: 510-517.
[5] Directive 2019/904 of the European Parliament and of the Council of 5 June 2019 on the reduction of the impact of certain plastic products on the environment.
Waste management systems can be divided into a number of steps from collection, storage, transportation, processing, treatment, recycling and final disposal. Integrated solid waste management refers to this entire process and aims to maximise resource use efficiency, with minimal amounts ending up in final disposal sites. During Practical Action’s recent work in the South Asia region, we have gained particular experiences in terms of waste collection, storage and transportation; and secondly waste processing in particular of organic waste.
Waste Collection and Transportation
In many cities, waste collection services fail to reach all areas of the town or city. People are left to manage their own waste, which they do by burning and burying it, or dumping on open spaces. Sometimes large bins or skips are provided but they may be irregularly emptied, and also overflow when the contents is picked over by waste pickers and animals.
In Bangladesh, in order to help increase the overall capacity for collecting household waste, Practical Action has promoted a door-to-door collection service run by local NGOs. Residents pay a service charge in addition to their municipal rates, but in return they receive a regular service, leading to a cleaner neighbourhood.
In Faridpur, the local NGO, WORD, with technical backstopping from Practical Action serves more than 5,000 customers with waste collection. There are three main types of customer, non-slum households, slum households and institutions. Slum-based households are charged the lowest tariffs (minimum BDT 10) while the institutional rate is highest (minimum BDT 150).
The numbers of slum households is small because the alternative option of localized composting (with a barrel system) was widely taken up. This is easier than collection through vans and is useful for slum people as they can use the compost later. Waste collectors use small rickshaw vans for the collection service. Recently we have also introduced small small rickshaw vans and small motorized versions for the collection service.
The waste is taken to a composting facility where it is sorted and the organic portion is separated for composting, and in some cases for generating biogas. In 2008, WORD started the waste collection business with only 525 customers. In the last 8 years, the number has increased more than tenfold (5,100 customer per month) making the solid waste management a viable business. It has not only contributed to a better living environment, but also generated green and dignified jobs for 21 waste workers.
The municipal conservancy department continues to play a regulatory and coordinating role through the Waste Management Steering Committee. This meets regularly to discuss any emerging issues and review the progress of door-to-door collection services. The conservancy department continues to manage the sweeping of streets and drains, and collection of waste from some areas of the town, from vegetable markets and slaughter houses. The only recycling and reuse of organic waste is done by WORD, as all municipal waste for now continues to be disposed at an open dumping site where no further treatment, sorting or reuse takes place.
In Nepal, Practical Action has facilitated organic waste management under a public-private partnership model. For example, in Butwal Municipality, a private firm, Marry Gold Concern, collects and manages wastes from 400 households with a monthly service fee of NPR 50 (GBP 0.33) in an area called Ramnagar. The company employs three operators for collecting and managing waste from low income communities. A compost plant has been set up which processes up to 10 metric tonnes of organic waste and generate 5 metric tonnes of compost per month. In addition, recyclable waste, mainly plastic, is sold to scrap dealers, creating another source of income.
Recycling and Disposal by Forming Associations and Enterprises
In Bangladesh, collection services have been organised through existing local NGOs. In Nepal, Practical Action has instead helped to form different groups of Informal Waste Workers (IWW) such as street waste pickers, waste segregators, pheriya (dry waste pickers), scrap owners and door to door collectors.
We have worked intensively with IWW from five municipalities of Kathmandu Valley. We have facilitated the establishment of a IWWs association called Samyukta Safai Jagaran (SASAJA), and the first waste workers’ cooperative with the same name. These organisations have distributed identity cards to members to increase their recognition as an ‘official’ part of the waste management system. We provided basic safety equipment to 5,622 IWWs, including rain boots/shoes, gloves, masks, raincoats, windcheaters with trouser and wrapper, aprons, cap etc. to minimize health risks.
Basic safety equipment is essential to minimize health risks to informal recycling sector.
Following capacity building and skill enhancement training from Practical Action, many of the IWW group members have established waste-based enterprises. For example, plastic tearing (PET bottle and carton crushing or pressing) for recycling and reuse; paper recycling and mechanical composting of organic waste. This approach has been scaled up in other municipalities in Chitwan and Rupadehi districts reaching around 350 IWWs there.
Reducing Waste through Home Composting
In Nepal and Sri Lanka, and in some slum communities in Bangladesh, we have promoted barrel composting of organic waste. This has the dual benefit of producing compost locally which can be used for home gardening, and reducing the amount of waste that needs to be collected and disposed of elsewhere.
It can reduce the amount of organic waste coming in to the waste collection stream by about 20-30%. It requires community involvement in waste management system as well as frequent monitoring and troubleshooting. This process ensures source segregation of waste, a necessary condition for proper implementation of the 3R system (reuse, reduce and recycle).
Practical Action has distributed more than 2,000 compost bins in Sri Lanka. Especially in Galle, Kurunegala and Akkaraipattu cities where we have distributed about 1,500 home composting bins from 2006 to 2016. More than 65% of the bins are being regularly used.
Our experience shows that once a locality is provided with home composting, the volume of organic waste into the municipal collection system is reduced around 20-30%. However, this varies greatly by locations. If the local authority strictly monitors the compost bin usage and provides troubleshooting support, waste reduction can reach up to 30%.
Both Kurunegala and Galle municipal councils have upscaled the distribution of bins city-wide with the support of national government funding. This technology was taken up by the private sector and other municipal councils. It has been used widely in the country as a solution for reducing organic waste coming in to the waste collection system. For example, Kandy municipal council has adopted the technology with strict restriction on organic waste collection in the municipality collection system.
The Provincial Agriculture department in Kurunegala and the Coconut cultivation board in Akkaraipattu are both promoting organic agriculture with the usage of composting and are using Practical Action’s work as examples for expansion. The central government has provided seeds and fertilizer to city dwellers, including the urban poor, to promote home gardening.
This has been further expanded by Kurunegala municipal council which has distributed potted plants. Some of the vertical gardening structures promoted by Practical Action are now included in urban gardening models of the Western Province Urban Agriculture unit.
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