Plastic Pellet Accident in Hong Kong

Topics: Federal government of the United States, Plastic, Nurdle Pages: 6 (2123 words) Published: March 17, 2013
Energy
and Environment
Group Project
Is plastic pellet spill incident in HK waters solvable?

2012/2013 Sem 1
Class: 88-167-01-08
Cheung Hin Long(10548963)
Cheung Chi Cheung(10549999)
Mak Chi Kit Oscar(10550937)

Energy and Environment Project
Is plastic pellet spill incident in HK waters solvable?
Table of Content

1 Introduction……………………………………………………………3 2 Process……………………………………………………………………3 3 What is the plastic pellet…………………………………………4 4 Properties……………………………………………………………….5 5 Usage………………………………………………………………………5 6 Misconceptions……………………………………………………… 6 7 After photodegration………………………………………………7 8 The responsibility….…………………………………………………8 9 Suggestions……………………………………………………………..9 10 Conclusion…………………………………………………………….10

1. Introduction
The plastic pellet spill incident is no long something new in 2012, which is a hot issue for our citizens. We are not only going to discuss what happen it is , but the influence and this incident is solvable or not. When the strong typhoon, Vicente, passed south in Hong Kong, there were seven CSL containers fell into sea which are about 168 tons of polypropylene colloidal particles into the ocean. Therefore, Vicente not only provides a holiday for us, but also an ecological disaster. After that a multitude of Hong Kong people are worried about the plastic pellet are harmful for human being or not and is it solvable in our society. In our opinion, it is solvable and the reason will be presented in the following. 2. Process

To understand the situation behind this incident, we need to make clear the course first. During July’s typhoon, among the six containers filled by Chinese Petrochemical production of polypropylene colloidal particles, and after the storm these particles have drifted in the southern water of Hong Kong, which causes extensive ecological pollution and affects the local fishing industry. Then, some non-government organizations discovered and shared this message through the internet, when the mainstream media was basically no coverage. Besides, more organizations took part in the civil clean-up activities and invited more volunteers. After one week, Sinopec permits civil officers to count containers loss and to assess the number of colloidal particles falling into the sea. At the same time, Hong Kong government did not organize any action for the remedy in this incident at all. Two weeks ago, the government reports some relevant information about the incident finally. It is undeniable that Hong Kong is lack of education and common practice. This incident not only brings out a disaster for our society, but also enhances our sense of environmental protection. For instance, some parents took part in the clean-up action with their children can educate them to cherish our ecosystem. Nowadays, the clean-up action is still being. According to the data of Marine department in Hong Kong, the plastic pellets were cleaned up around 80% in October. 3. What is the plastic pellet?

The plastic pellet in the incident is called Polyproylene (聚丙烯), we may also call it PP. The molecular formula of it is (C3H6)n. It is actually very common is our daily lives, many of our daily utilities are made up of it.

There is a simple way to indicate whether the product is made up of PP of not, which is to look at the resin identification code. If the resin identification code that stated on the product is no.5, then it is made up of PP and the raw material of the polypropylene is propylene from oil cracking.

It has a high impact resistance, mechanical properties and tough, against a variety of organic solvents and acid corrosion. It is one of the usual common polymer materials and widely used in industry and the melting point is around 130 to 171°C. 4. Properties

Through observation, we can see that Polyproylene is transparent; this is because it is crystalline. In most of the time, we will mix it with another substance called ethylene, which will make PP...
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