Some of you may have heard that the conflicts between Hong Kongers and Chinese (mainland Chinese) are escalating day by day. This is a massive topic. There are numerous reasons for this intensive conflict, and I wish I could list them all out. I will try to post them as detailed as I could, hopefully very soon.
Netizens from Hong Kong and China debate, often argue, over who provides more to the other – mainly on the economic benefits. Often, Chinese would accuse Hong Kongers for not being grateful about what China has been doing for Hong Kong. One famous (or infamous?) line Chinese often say is “without China’s help, Hong Kong would have died long time ago”.
Many believe that without Guangdong’s water supply, Hong Kong will not be able to survive. Hong Kong buying water from Guangdong is a pure economic transaction. It is, however, unfair:
(1) the price Hong Kong pay for the water from Guangdong is extremely high
(2) Hong Kong has no right to reduce the purchase quantity (there’s a minimum quantity per year)
Let’s see if Hong Kong would really die without the Guangdong water, just like what many Chinese (unfortunately, many Hong Kongers too) believe!
In 2011, average water usage per day in Hong Kong; 2.53 million cubic meter square – meaning average annual water usage is 9.2335 million cubic meter square
Let’s look at water wastage in Hong Kong:
– Water wasted as flushing water – 82 million cubic meter square per year
If all flush water facilities are modified to use sea water (some parts of Hong Kong is already doing so), and repair work of the pipe system is done properly, water wastage can be cut down by 312 million cubic meter square per year!
This also represents a massive reduction of fresh water wastage from 923.35 million cubic meter square to 611.35 million cubic meter square!
Besides reducing fresh water wastage, the Hong Kong government should build (and should have built) a reverse osmosis desalination plant (RO). Given the available technology, the planned RO plant in Tseung Kwan O is estimated to produce 93 million cubic meter square of fresh water annually in the second phase.
We’ve got the number that can match Hong Kong’s consumption, this is pretty close to self-supply, isn’t it?
Of course there are other emergency means to deal with the beginning of this plan:
– Suspend all non necessary fresh water facilities, for example public pools
– Pan Hong Kong campaign to reduce water consumption
– Speed up the construction of the trial RO plants in Tuen Mun and Ap Lei Chau (the RO technology allows RO plants to be expanded quite easily and quickly)
– Acquire small scale RO machines from other countries
The amount saved from not purchasing Guangdong water is approximately HK$3.54 billion per year. This can be used to acquire numerous 3M DWS2500T water purifying systems (HK$5,680 each) which can filter 2839L of water effectively.