Vietnam's coal power waste increases

Vietnam's coal power waste increases

While the amount of ash discharged by coal-fired power plants has increased
in Vietnam, the country still lacks guidance and policies to support
enterprises in managing this waste, experts said.

Tran Dinh Sinh of the Green Innovation and Development Centre (Green ID)
told a recent seminar in Hanoi, discussing opportunities and challenges
created by ash waste from coal-fired power plants, that Vietnam ranks second
in the world, after China, in terms of ash and cinder density, with 45.5
tonnes per sq.km.

Studies conducted by Green ID indicate that as many as 15 million tonnes of
ash and cinder were emitted annually by the nation's 19 coal-fired power
plants. Further, this volume of ash was forecast to double by 2023.

Since 2014, the Prime Minister has issued decisions on taking measures to
treat ash, cinder and gypsum from thermal power, fertilizer and chemical
companies in the production of building materials.

Under the Decision, coal-fired power plants are requested to invest in
installing equipment to treat ash and cinder that can meet technical
regulations and standards for building material production and bring these
into operation by 2020. The Ministry of Construction was assigned to work
with agencies in creating regulations and technical standards for ash
treatment by the end of last year. However, no regulations or standards on
the management of ash and cinder have been issued, or preferential policies
to support enterprises that engage in recycling this waste.

Nguyen Van Nhon, Deputy Head of Binh Thuan province's Department of Science
and Technology, said the current waste treatment method - burying ash and
cinder - was not only wasteful, but also had a negative affect on the
environment.

In April last year, thousands of residents living near the Vinh Tan 2 plant
in Binh Thuan province gathered to protest pollution at its cinder landfill.
The protest happened after strong winds blew large amounts of coal dust from
the plant into residents' homes over a period of several days.

The province's agencies have urged the Vinh Tan Electricity Complex, which
consists of four thermal plants, to take measures to reduce pollution, and
even fined the company 1.5 billion VND (66,900 USD), though the complex has
still done nothing to address the ash issue.

According to Kieu Van Mat, General Director of Song Da Cao Cuong Joint Stock
Company - which specialises in producing building materials, although ash
and cinder from coal-fired thermal power plants were not now a resource,
they could be considered a cheap source for construction materials in the
future.

He also said his company was the first in the country to study and install
production lines to handle ash and cinder waste from thermal plants.

The company's prominent product, fly ash, has been used in making cement at
a number of cement companies, including Hoang Thach, Nghi Son, Holcim, But
Son and Tam Diep. Fly ash was used effectively in producing roller-compacted
concrete, helping speed construction and reducing production costs, he said.

Mat proposed that agencies inspect and make an evaluation of the company's
production technology and its products, such as fly ash and artificial
gypsum, which are made from residues of thermal and fertiliser plants. If
they meet quality standards and their prices are less expensive, compared
with imported materials, they should be allowed to be used on a large scale,
he said.

Participants at the seminar have suggested that ministries, agencies and
localities soon issue guiding documents on the implementation of the Prime
Minister's decision. They also called for the early creation of preferential
policies for enterprises that engage in waste treatment, and those that were
using and would use recycling products, in order to encourage them to
utilise waste and reduce the exploitation of natural resources.

Participants urged the Government to strengthen inspections and strictly
deal with companies, organisations and individuals that violate regulations
on waste management and waste treatment, especially those emitted by
coal-fired power plants.

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John Diecker
APT Consulting Group Co., Ltd.

www.aptthailand.com