After the field trip to Bintaro Lama, this time we went to the Water Treatment Plant with our math and science teacher, Ms.Marrello. We jumped into the bus in7.30. All
of our class was so excited, that we all sang the most popular songs during the way. I guess it took about an hour to reach there. Next to the Treatment Plant was a river covered with muddy colour. It was so dirty, that everyone said oh's and ew's. When the bus stopped and all of us dropped down, we got a guide and went to the first station.
of our class was so excited, that we all sang the most popular songs during the way. I guess it took about an hour to reach there. Next to the Treatment Plant was a river covered with muddy colour. It was so dirty, that everyone said oh's and ew's. When the bus stopped and all of us dropped down, we got a guide and went to the first station.The first station was 'Garbage Removal through Course&Fine Filters'. The first step of this station is to get the big garbages out from the river with the Course Filter by putting the picker deep inside, grab the garbages and pull it up to the trash can. The final step is to get the small garbages out from the river, which was taken out from the Course Filter. This station is one of the steps that removes the main garbages from the murky river.
The second station was 'Add in chemicals and stir to make floc'. They first add chemicals and stir it like the station says. After they stirred enough, there you could see all garbages sticking together with small bubbles and slimes, that bubbles and slimes are called floc. Floc is important to make the garbages stick together, making it heavier for the next station.
The third station was 'Allow sediment and floc to settle at the bottom'. Making the garbages heavier wasn't a waste of time. It actually made sediment and floc to settle at the bottom way quicker. This station is usually green and 8m deep.
The fourth station was 'Water is filtered through 1m of sand'. This station uses a special sand which also has to be the same size. Because the condition is so bad in Jakarta, they have to change the sand each hour.
The fifth station will be 'Chemical disinfected are added'. They put Chlorine to kill the bacterias, living in the river. This station will disadvantage to get sick by drinking the water.
The final station was 'Testing is done to make sure water is clean and safe'. ScientistS check if the water is potable by putting colored chemicals inside the sample water.
The trip was fun, but the day was hot, so was quite tiring too.
1 comment:
Nice work on the water cleaning process, Jane. You seem to have the stations all pretty clearly in mind.
The concluding paragraph?
mh
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