Integrated Solid Waste Management

Mailhem’s Integrated Solid Waste Management (ISWM) solutions provide a modern and systematic approach to solid waste management. We handle all aspects of complete waste reduction, collection, composting, recycling and disposal systems for our clients. At Mailhem, we strongly believe that ISWM is only effective when it offers viable ways to reduce, reuse, recycle and manage waste in a way that protects human and environmental health. It also involves evaluating the local conditions and needs to choose the best waste management solutions.

We are able to deliver smart and sustainable Integrated Solid Waste Management by investing in the latest technologies, professional manpower and a passion to reduce the waste in the world. We have the expertise in ISWM plants ranging from 10 (ton per day)TPD to 1000 TPD.

Mailhem offers end-to-end solutions for Integrated Solid Waste Management which, includes:

Mechanical Recycling Facility – Presorting

One of the basic problems in India is source segregation of waste. Since source segregation is not successful in India, Presorting of Waste is a big challenge in waste management. Mailhem has the experience of handling 500TPD Mixed Municipal Solid Waste in Nashik.
After large objects are sorted manually, they are fed to the mechanized sorting trommel. Materials above the size of 100 mm are sent for RDF, while those below 100 mm, generally high in organic content are transferred to the composting yard for windrow preparation.

Our presorting facility helps in segregating the waste and then converting it into compost, energy or fuel as per the waste size and type. This mechanical facility reduces manpower and human intervention and delivers excellent results.

Composting

Materials below 100 mm are unloaded in the composting yard where they undergo microbial culture. Windrows (heaps) are formed every week, and these are then mixed thoroughly to homogenize the material using excavators. The degraded material is vibro screened to produce fine quality compost, which is supplied to fertilizer companies including RCF & Zuari, and local farmers as well.

Composting helps reduce kitchen waste and landfill waste and is a technique that’s great for the environment.

Refuse Derived Fuel (RDF)

RDF is produced from combustible components, also known as MSW or Municipal Solid Waste. Mailhem takes this waste from industrial or commercial sites and converts MSW into RDF using processes like homogenizing, drying, segregation, size reduction, densification.

RDF is a renewable energy source to ensure that waste doesn’t get dumped into a landfill but is instead put to good use. Mailhem uses a primary crushing system to homogenize combustible materials above 100mm. It is then shredded in a secondary shredder to produce fluff. Many industrial leaders use this fluff as a boiler fuel instead of coal to ensure a greener and sustainable approach.

Caracas (Dead Animal) Incineration

Dead animals are incinerated using both RDF fluff, and the oil generated from the plastic pyrolysis project. Mailhem’s incineration facilities incorporate all the processes like waste storage and handling, processing to prepare waste, combustion, residue (ash) handling and air-pollution control.

Controlled incineration is a highly effective method to reduce the volume and weight of solid waste. It reduces the volume of uncompacted waste by almost 90%. In our modern incinerators, the waste is incinerated under carefully controlled conditions and a well-designed furnace.

We can build waste-to-energy systems with RDF as a substrate.

Bioreactor Landfill

Mailhem designs and operates bioreactor landfills in which liquids are added to help bacteria break down the waste. We offer different types of bioreactor landfills – aerobic, anaerobic and hybrid (aerobic-anaerobic). A bioreactor accelerates the decomposition and stabilization of waste. It also helps to stimulate the natural biodegradation process.

Mailhem provides optimized bioreactor landfill solutions wherein the technology we use relies on maintaining optimal moisture content near field capacity. This moisture content, when combined with the biological activity of naturally occurring microbes helps in decomposing the waste.

Our bioreactor landfills ensure low toxicity and mobility of waste due to the aerobic and anaerobic conditions. It also increases the landfill space due to the increase in density of waste mass.

We’re experts in all types of bioreactor landfill design and construction. Contact us for your project today!

Plastic to Fuel

Mailhem converts plastic to granules and fuel to reduce the waste plastic and also offers a renewable energy source to keep the planet green and clean. The waste plastic is converted into usable fuel by the process which is well known as Thermal Depolymerisation. In this, waste plastic is introduced in reactor vessels at elevated temperatures of 400°C to 450°C in absence of oxygen and in presence of catalysts. This leads to the cracking of long hydrocarbon chains of plastics into smaller molecular weight hydrocarbon vapours. When these vapours are condensed, we get desired hydrocarbon liquid fuel the non-condensable hydrocarbon vapours are used to maintain the elevated temperature of the reaction.

Since plastic waste generation has rapidly increased over the past 30 years, recycling techniques of waste plastic and conversion to fuel avoid the negative impacts of plastic pollution. It also provides an alternative fuel for diesel engines, reducing the demand on fossil fuels. We also convert plastic to granules after agglomeration, which is used for plastic roads construction.

Scientific Landfill (SLF)

A scientific landfill is given this name because of the scientific design during construction. The biggest challenge with ordinary landfills is seeping of solid waste into the underlying soil and water, contaminating both. At Mailhem, we have the expertise in designing and constructing scientific landfills over 10000 square meters, for a 5-year period. Thereafter, it is capped with liners and soil cover with a green top, and a new scientific landfill will be constructed for the next 5 years.

Waste rejects like stones, grit, broken glass, road sweepings are disposed of in a SLF and it is an inert component of the ISWM process. SLF also eliminates the risk of waste seeping underground as it is constructed of 90 m of clay, arresting any seepage or leakage within the landfill. The key advantages of a scientific landfill include controlled extraction of methane gas, no risk of pollutants going underground and complete waste treatment at disposal.

Capping of Existing Dumpsite

At Mailhem Environment, we also offer services to cap existing dumpsites or landfills and legacy waste for scientific closure. It involves placing a cover over contaminated material like landfill waste as the cover (also known as caps) isolate the contaminants and keep them in place to avoid contamination. We also conduct regular inspections to ensure that the weather, plant roots and human activity do not damage the cap.

We have completed the biomining of 1.90 lakh tonnes of legacy waste and capping for old dumping sites at our Nashik project. Capping is the traditional method to isolate landfill wastes and contaminants.

Contact us to experience this simple yet effective technique for existing dumpsites / legacy waste in your city.

Waste to Energy

At Mailhem, we specialize in converting waste to energy and it also resonates with our name and our vision of converting waste to gold! Waste to energy is the most crucial and beneficiary aspects of ISWM. By processing large carbon-based materials like compost, shredded tires, chipped wood and more, Mailhem can provide energy for multiple manufacturing processes. We also create energy from solid waste at our multiple biogas plants in the country.

Our waste to energy solutions are core to smart cities in India and our energy generation is powering many cities for a brighter and greener future.

The process of turning waste to energy involves sorting, screening, compressing, shredding and blending waste to convert it into energy that is used in various industrial boilers, power plants, gas facilities, and combustion energy plants.

We start our projects with a consultancy to assess the strategies and define goals for waste to energy conversion. Our waste to energy plants are often called model plants by the government in India and we continue to inspire the world with our innovative solutions for the future.

Mini ISWM Facilities

Mailhem has a vast experience in designing Mini Integrated Solid Waste Management facilities for gated communities/townships/small villages capacity ranging from 5TPD to 30TPD. Mailhem also specialises in the collection and transportation of waste.

With the mini integrated solid waste management facilities, everyone can ensure that their waste is treated correctly and it doesn’t cause pollution or landfill problems. These are affordable solutions to promote a cleaner and greener tomorrow and we have many clients who consider this facility a boon in their premises.

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