Invitation for Collaboration : Impact of Lockdown and Urbanization on Water Filter Production

The "Impact of Lockdown and Urbanization on Water Filter Production" can be one of the most important topic of research  related to water reuse in the coming decade. According to Falkenmark's Water Stress Indicator,a region is said to be water scarce if per capita water availability is less than 1700 cubic m.Again availability of water will imply not only the quantity but also the quality of water available.The water must be qualitatively suitable for consumption.Otherwise, it will not be added to water resources potential of a region.    

In the last few years due to large scale and rapid urbanization, there is an immense stress on the "available water".

Not only urbanization, recent lock-down measures are also influencing the quality of water to be changing. Although impact of urbanization will be detrimental to the environment,lock-down affects can act as beneficial to the environment.

In case of lock down citizens can not go out and pollute different bodies of surface water. But amount of water available for consumption is constant.Thus it will be interesting to see the variation in quality of water in between pre and post lock-down scenario.

Based on the surface water or ground water or waste water quality decisions may be adopted for the utilization of supplied water by recycling or reused resources of water.

Hence,the interrelationship between rate of urbanization, lock-down and quality of the surface-water will be an interesting aspect to determine.The potential of urban population in degrading the quality of water in one hand and the beneficial effect from Lock down due to CORONA is also another potential area of research which can enlighten us to determine the amount of water we have and can reclaim for reuse. The results of the study can be utilized not only for decision making by the city managers but also for the common man who want to procure a filter and based on the results he/she may take their decisions. 

If you are interested to do research in this field kindly collaborate with me by replying to this blog post.

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Edit 1 : Thanks mithan for identifying the mistake.I have corrected the threshold value.

How to reduce your room temperature without any AC or other cooling machines ?

You can reduce the temperature of your room if you have the following : 

1.An Aquarium full of fish and live plants 

2.Silica Gel 

3.Dwarf Bamboo Tree 

When you put the above three items in your room just under the window, room temperature will be reduced drastically.

When you put the above three items in your room just under the window, room temperature will be reduced drastically .

Logic :

Heat will always flow from higher to lower temperate region. In summer, outside temperature is more than room temperature. So, heat enter our room and increase the temperature so that an equilibrium can be achieved. But in turn this incoming heat raise the temperature of the room.

During summer air is full of moisture. When the relative humidity is very high we face a sultry condition. 

So to reduce the incoming heat we will need something more cooler than our room. And to reduce the moisture we need something that  can absorb it.

Aquariums are much cooler than our room. The fish in the aquarium cools it further as they are cold blooded. Thus making the adjacent places cooler. You can feel this phenomena by visiting any gift shop.

You will feel that places where the fish tanks are kept are more cooler than the places far away from them, in the same gift store.

Generally our rooms are not as big as the gift store. So a simple rectangular glass tank with some live plants are enough to reduce the room temperature.

If your room is big you need a big aquarium and if small ,general aquariums will serve the purpose.

Silica Gel will absorb the moisture in your room.Place 250 grams of silica gel just beside the aquarium.

More oxygenated air in your room will increase the CI (Comfortability Index) of your room. More Carbon di Oxide will do the opposite. Any plant will consume Carbon di Oxide to make food and release Oxygen as the byproduct. So  a plant in your room will always increase oxygen and reduce Carbon di Oxide and thus increasing the CI.(But the problem is at nighttime plant will absorb Oxygen and release Carbon di Oxide )

Dwarf Bamboo trees can provide release large amount of oxygen in the room.So keep 2 dwarf bamboo tree just beside the aquarium.

So,

Moisture : Absorbed by Silica Gel

Heat : Reduced by Aquarium

CI : Increased by the Dwarf Bamboo Tree.

Even after you place all these, your room will not be as cool as an A.C room . But you will not face the ill effects of the scorching heat and humid conditions that are common in Summer .As moisture is absorbed and the thermo-stat like cooling is done by aquariums ,you can keep A.C out of your house.

Harmful Effects of A.C

• Freon is a fluorocarbon gas which is nonflammable but releases CFC(reacts with Carbon die Oxide of air) in air which is extremely degradable for our environment.
• Increase the electricity bill drastically.
• Creates Noise Pollution.
• Constant exposure to this artificial cooling can disturb heat balance of our body and often causes cold and coughs.

How do ancient human cool their house ?

Sprout waters on the roof and when the water evaporates it cools the rooms below.It is followed even today in the villages of Rajasthan,Jaipur.

Kings of Jaipur uses jewels and mirrors in the walls and ceiling of their palace to regulate temperature. 'Mirrored and bejeweled ceilings and walls retain warmth or render a room cool as the season demands.'(from Travel Photo Essay: Dreaming of Rajasthan, India by Sujatha Bagal)

An earlier form of air cooling, the wind-catcher (Bâd gir), was invented in Persia (Iran) thousands of years ago in the form of wind shafts on the roof, which caught the wind and passed it through water and blew the cooled air into the building.

The ancient Egyptians were known to circulate aqueduct water through the walls of certain houses to cool them. As this sort of water usage was expensive, generally only the wealthy could afford such a luxury.

Medieval Persia had buildings that used cisterns and wind towers to cool buildings during the hot season: cisterns (large open pools in a central courtyards, not underground tanks) collected rain water; wind towers had windows that could catch wind and internal vanes to direct the airflow down into the building, usually over the cistern and out through a downwind cooling tower. Cistern water evaporated, cooling the air in the building.

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Innovate for Sustainability

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How to select your own water filter ?

How to remove pollutants from rural water ? 

A filter can be used to treat urban as well as rural water. The most common contaminants of rural surface water are impurities released from the fertilizers and pesticides used for unhindered growth of crops and plants . To know how to select a filter which can remove contaminants specific to rural water, a presentation was prepared which can be accessed from here.

How to remove pollutants from urban water ? 

If you use a filter to produce drinking water, it is better to evaluate the source of water and available types of filters before its application.This power point will show the process of selection of a filter configuration for urban water sources....Click here.

How to select the best water filter for your daily use ?

Water filter is solely responsible for maintaining the health of its consumer.There are various types of filters which is developed in combination of different types of purification materials.The type and function of the materials will decide the efficacy and cost of the arrangement.The desired type of efficacy can only be achieved if filter materials are optimally arranged.This presentation shows you how ?

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