Waste Water Filter Wins Ticket To Sweden

Dinh Tran
Vu An, an 11th grader at SA Dec High School in Dong Thap province, will go to Sweden to take
part in the final of the Stockholm Junior Water Prize for students.
    This is the fifth year the contest on
improving and protecting water resources for high-school students has been held
in Vietnam.
The contest received 2,761 works, the highest number so far.
    After four
rounds, the jury chose ten best works and authors were invited to take part in
the interview round in Hanoi.   
the first prize was presented to Dinh Tran Vu An’s work, entitled “Filter
system for household waste water”.
    An’s work
can help treat waste water from families before it is discharged into the
environment. The work was tested for nine days, proving that after being
treated, waste water is quite clean, with few impurities, no soap, oil or toxic
chemicals. Animals like fish and worms can live on this kind of water.
    This work
is highly practical. It can be applied any place and its production cost is
only VND100,000/unit or $6.
    The prize
changes the student’s dream
    An is the
only son of a couple in Sa Dec Town, who are both state employees. His life
would have been normal if he hadn’t heard about the contest on improving and
protecting water resources for students.
    As Sa Dec
Town was building a road near his house, the waste water draining near An’s
house was always stuck so local people had to live with the bad smell from the
    An thought of designing a waste water
treatment drain for households. “If each family discharged treated waste water,
even when drains were stuck, water would not be so smelly,” An said. He said he
applied very simple knowledge that he learnt at school to design this filter.
    An dreamt
of becoming a businessman or a pharmacist but since he won the prize, he has
changed his dream. “Becoming a biotechnology researcher or an environmental
activist may be appropriate for me,” he said.




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