Navi Mumbai municipal corporation wins award for solid waste management

NAVI MUMBAI: The civic body has topped the list for the Clean Earth Award for excellence in solid waste management under a nation-wide survey conducted by Andhra Pradesh Technology Development and Promotion Centre.

The award was given to the NMMC officials by the chief secretary of the Andhra Pradesh government at a function held in Hyderabad on Friday.
“For the award, strict evaluation guidelines were followed, which included daily data about collection of door-to-door solid waste, the logistic system, scientific disposal at the dumping ground etc,” Rajale said.

The award panel also visited the city’s landfill facility during the process of selection, he added.
The award was received by Dr Babasaheb Rajale, head of civic solid waste management, Dr Sanjay Pattiwar, additional civic commissioner and Poonam Patil, head of health committee.

“We scored the highest for our efficient solid waste management system, which was well appreciated at the award function. We have set a good precedent on this subject for civic bodies in other cities to follow,” said Rajale.
Madurai won the second spot in the nation-wide recognition, where several municipal corporations across the country were shortisted for the top honour.
Earlier, Navi Mumbai was declared the cleanest city in the state and came third in the national level.


Your School Needs Effective Solid Waste Management

The fact that solid waste in schools is fast increasing cannot be overemphasized. This is attributed to increased population in schools. If you are a school manager or a city-county waste management coordinator, discover simple yet effective procedures of managing solid waste in your school.

Teachers and students can also be part of these approaches to rid their environment of undesirable waste. After all, many states require that all schools manage their solid waste efficiently.

Requirements for recycling solid waste

Starting July 2012, the state of California demands that schools and institutions that produce more than four cubic yards of waste must implement recycling strategies. This requirement seeks to divert commercial waste into the state’s expanding recycling plan. The general objective is to cut greenhouse gas emissions.

To comply with the law, you can take advantage of three solid waste management options. The first is a self-haul system while the second is subscription to haulers to do the job for you. The other option involves entering into an arrangement where a company picks up all recyclable material at your institution.

Other regulations surrounding the management of solid waste in California include-

• Public Resources Code- sections 42620 to 42622
• California Integrated Waste Management Act
• Senate Bill 373
• California Education Code – sections 3170 to 3276

The above regulations recommend schools to manage solid waste by-

1. Buying recycled paper
2. Revisiting specifications on procurement to eradicate the bias against recycled paper
3. Buying paper with biggest postconsumer waste
4. Stop buying paper that is deemed as potential contaminant


Benefits of waste reduction

Educational institutions in California alone account for 562 442 tons of waste every year. If unchecked, the trend can cause unprecedented damage to the environment and huge threat to people’s health. While the statistics present a worrying loss of nature’s resources, you can play a pivotal role in reducing the effects.

You can start by enforcing a stringent waste reduction approach. In addition, let your school review its daily operations. Evaluate the educational, environmental, and socio-economic benefits of waste reduction. When you implement an effective approach, your students will learn environment-based lessons at the recycling plant. Some of the benefits of this re-evaluation include-

• Reduced costs of disposing solid waste
• Increased safety and health of students and staff
• Diminished liability and costs of purchasing materials
• Improved general efficiency of the school expenditure

The Trash Compactor- an easy option

The outdoor trash compactor is a simple yet effective device that could prove key in collecting and recycling common solid waste such as wrapping paper, plastic, and foodstuffs. It looks like the ordinary rubbish bin, only that it compacts the trash at the point of wastage.

You should invest in the trash compactor, as it eliminates the need for emptying the can. Interestingly, it reduces the
number of trash liners needed by eight times. It is ideal for use in cafeterias and other concession areas.
Other waste management options

Additional equipment that your school can use is:

1. SmartPack trash compactor- this stainless steel device is easily installed in all maintenance areas. Examples are points where families assemble for sporting activities and for meals.

2. Vertical baler-
this machine compacts cardboard effectively, making it easy for transportation and recycling. While it occupies a small area, it produces results fast. Schools can make money selling the recyclable cardboard to dealers.

3. Outdoor trash compactor-
this option eliminates the undesirable sight of dumpsters overflowing with stinking refuse. At the same time, you get to reduce the trips made by pickup trucks to haul trash from your school compound.

When you utilize the above management equipment, you will effectively rid your school of unsightly solid waste.


Science Behind Deonar Landfill Site Fire

Following satellite images dated January 2016 taken by NASA show the landfill site fire at Deonar, Mumbai. The landfill fire caused serious drip in air quality & smog around the city for several days.

landfill site smoke

Why Landfill Site Catches Fire?

A landfill fire occurs when waste dumped of in a landfill site ignites & fire spreads. In landfills that do not cover their waste with daily cover of soil, biological decomposition creates substantial heat & methane. This flammable combination of heat and methane gas cause materials in the landfills to spontaneously ignite.

landfill methane and fire

Landfill methane & fire

What most of us do not know is: Municipal Solid Waste disposed of in landfill generates 2 to 15 kg of “landfill gas” per metric ton of waste per year. Landfill gas generally contains 45-60% methane and 45-60% of Carbon Dioxide.[Source] Methane is 25 to 30 times more potent green house gas and contributes marginally to global worming. Methane generated from landfill sites is highly flammable. Typically the landfill site has about 100 to 300 feet height of garbage stacked over area of several hectors. Such a huge mass of garbage generates hundreds of kilograms of methane every day. Thousands of kilograms of methane remains trapped several feet below surface, waiting to ignite.

Large scale landfill fires indicate lack of following preventive measures:

  1. Scientific Waste Management: Effective segregation, material  recovery and composting of daily municipal solid waste. Government of India has established MSW Rules 2000 for effective management and handling of municipal solid waste. Machinery and Technology is now available to recycle up to 80% of municipal solid waste. This ensures that only 20% quantity of waste reaches landfill site & thereby reduce the fire risk and landfill emission by 80%.
    Municipal Solid Waste Management
  2. Cover the landfill with scientific layer of rock bed, geo-textile and soil. Drill methane capture wells in the landfill sites to collect underground methane to fire/explosion.landfill methane collection
  3. Methane Capture (and Flaring/ Waste to energy): The landfill gas must be captured using a scientifically proven methods to prevent landfill fires. Captured methane can be used for energy generation.
    Landfill gas methane capture
  4. Bio-remediation and scientific landfill site closure: Bio-remediation is the use of biological methods to degrade, disintegrate, transform and/or eliminate contaminants from municipal solid waste. Bio-remediation is a natural process that utilizes the normal life functions of bacteria, fungi & plants. Bio-remediation and scientific closure of landfill site is essential to prevent fire and emission of hazardous landfill gas.
    Landfill site closure

Every day millions of tons of solid waste is sent to landfill sites without scientific measures. In near future, lack of scientific waste management can lead to large scale fires similar to Deonar landfill site across India & globe.

About Author: Suhas Dixit is CEO & Director of Pyrocrat Systems LLP. Pyrocrat has established several waste management projects including 300TPD Municipal Solid Waste Management Facility at Navi Mumbai and Series of Waste Plastic/Tire to Diesel Projects 

Your School Needs Effective Solid Waste Management

The fact that solid waste in schools is fast increasing cannot be overemphasized. This is attributed to increased population in schools. If you are a school manager or a city-county waste management coordinator, discover simple yet effective procedures of managing solid waste in your school.

Teachers and students can also be part of these approaches to rid their environment of undesirable waste. After all, many states require that all schools manage their solid waste efficiently. Read more

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