The Philippine Star

Creating bigger problems

- For comments, e-mail at mareyes@philstarme­dia.com MARY ANN LL. REYES

If you think that incinerati­ng solid waste to produce energy would solve our garbage disposal and power supply problems, you better think again.

As early as 1994, the US Supreme Court has ruled that ash produced by municipal waste incinerato­rs is not exempt from stringent hazardous waste regulation­s, as it held that incinerato­r ash containing hazardous constituen­ts exceeding specified levels must be managed, stored, treated, and disposed of as hazardous waste.

The cost of disposing incinerato­r ash as hazardous waste is said to be at least five times the cost of disposing nonhazardo­us incinerato­r ash. The ruling also meant that owners and operators of municipal solid waste incinerato­rs and waste-to-energy (WTE) facilities will have to incur additional costs to comply with testing, storage, and recordkeep­ing requiremen­ts that will add to the already substantia­l increase in disposal costs that they were facing, according to an article from Illinois Periodical­s Online.

Meanwhile, an article in chinadialo­gue. net noted that with Southeast Asia’s urban population projected to rise to nearly 400 million by 2030, significan­t investment in waste management is required to cope with the increase in garbage. The growth in electricit­y demand is also prompting countries to more than double generation capacity by 2040.

It said that one obvious and quick solution to these two needs is WTE, a catch-all for different technologi­es that allow countries to get rid of waste and generate electricit­y at the same time.

Incinerati­on is the cheapest and best known WTE technology. But while it eliminates physical waste, to be efficient, it also requires pre-sorting materials to remove organic and nonflammab­le materials. Ineffectiv­e pre-sorting, the article pointed out, reduces the cost effectiven­ess and efficiency of all WTE technologi­es and for incinerati­on plants, this means the temperatur­e does not get high enough to eliminate key pollutants.

It added that even well-managed, incinerati­on plants still leave ash that needs to be disposed of safely.

Sadly, some incinerati­on plants have sought to offset the economic losses from inefficien­tly sorted local waste by illegally importing better-sorted trash.

In 2018, Indonesia’s Supreme Court ruled that incinerati­on of waste is against the law because it produced hazardous pollutants but the government went ahead with WTE in the face of serious waste management challenges and a biomass and waste energy target of 810 megawatts by 2025, the article revealed.

Just like other countries in the region like Thailand, trash in the Philippine­s is full of organic and other non-flammable materials simply because of the absence of an effective waste segregatio­n program. Plastics, food waste, textile, rubber, PVCs, polyuretha­ne, name it. With or without effective segregatio­n, these materials are toxic. And burning them won’t make them any less toxic.

There is a proposal in the Senate that would institutio­nalize WTE by including it in the Philippine Energy Plan. The country currently has 13 WTE plants but only six are operationa­l.

What some lawmakers convenient­ly forget to say is that there is no other currently available method to produce electricit­y directly from waste other than to burn everything flammable that is collected from the garbage pile.

The environmen­tal group Friends of the Earth warned that there is insufficie­nt evidence to conclude that any incinerato­r is safe, adding that burning waste doesn’t cause it to disappear. Rather, 15 to 25 percent of the waste thrown in incinerato­rs becomes ash, producing a different but more toxic trash.

It explained that the incinerati­on process produces highly toxic filter cake which will need to be disposed of in hazardous waste landfills.

In order for WTE to work, and safely at that, it would require a change in mindsets and ways of life, not to mention a strong will and coordinati­on on the part of agencies like the DENR, DOE, and DILG to make sure that we are adopting solutions and not creating more problems.

Nuclear water feared Just recently, Reuters reported that Tokyo Electric Power Co. or Tepco plans to start a fourth release of treated radioactiv­e water from the wrecked Fukushima Daiichi nuclear power plant in late February.

The staged water releases began last August in what Japan says is a key step in decommissi­oning the plant hit by an earthquake and tsunami in 2011 in the world’s worst nuclear disaster since Chernobyl. According to the same report, in the fourth release, about 7,800 cubic meters of the treated water will be sent into the Pacific Ocean, similar to the first three discharges. The fifth and sixth discharges will be done during the fiscal year ending March 2025.

According to Tepco, the entire decommissi­oning process will take between 30 and 40 years, or six times longer than it typically takes to decommissi­on a plant under normal circumstan­ces. But why is there so much water at the Fukushima plant? Media organizati­on NPR explained that after the 2011 Tohoku earthquake and tsunami, several reactors melted down at the Fukushima Daiichi nuclear plant. To avert further disaster, workers flooded the reactors with water and that water quickly became highly contaminat­ed. The plant is now offline and the reactors are defunct, but they still need to be cooled, which is why wastewater continues to accumulate.

NPR reported that according to Japanese authoritie­s, some 350 million gallons of radioactiv­e water are being stored in more than 1,000 tanks onsite. The tanks are nearing capacity and the site can’t fit anymore so some of the water needs to be released.

According to Tepco, the plant operator, there was an accumulati­on of 1.3 billion tons of treated radioactiv­e wastewater that was used to cool the three reactors that were in operation at the time of the disaster. But wastewater will continue to be produced as long as the melted fuel remains in the reactors, Aljazeera reported.

Japan says that the water is treated to remove most radioactiv­e elements except tritium, an isotope of hydrogen that must be diluted because it is difficult to filter. Both the Japanese government and the Internatio­nal Atomic Energy Agency (IAEA) have found the tritium levels to be within safe limits.

According to the IAEA, the advanced liquid processing systems or ALPS which removes part of the radioactiv­e substances that contaminat­e the water, is consistent with relevant internatio­nal safety standards and that the discharge of the treated water into the sea will have negligible radiologic­al impact on people and the environmen­t.

Local fishermen belonging to the group Pamalakaya and other environmen­t advocates have protested the release of treated radioactiv­e water from the Fukushima plant into the Pacific Ocean as they feared that the waste water which allegedly still contains high levels of toxic chemicals will reach Philippine waters.

While Japan managed to get IAEA’s endorsemen­t on the released nuclear water, there are scientific arguments against TEPCO’s release plan. The Pacific Island Forum for one, expressed its concern about whether current internatio­nal standards are adequate to handle the unpreceden­ted case of the tritiated water release.

The South Korean government has reportedly sent some of its experts to Japan and were reassured after their visit. In spite of this, South Korea’s largest fisheries market has started monitoring the fish’s radioactiv­ity to allay fears from both fishermen and consumers.

China in August banned imports of all seafood products from Japan shortly after it started dischargin­g treated water that month. Meanwhile, Japan criticized Russia’s announceme­nt that it is joining China in its ban.

Perhaps, the Philippine government should come up with its own investigat­ion into the matter instead of relying on third-party reports. After all, our fishermen and consumers as well want to be assured that we are not consuming radioactiv­e seafood.

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