what is wate harvesting
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the collection of water from rain by diff methosd like roof collection rainwater harvest system etc is water harvesting
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water harvesting means capturing rain where it falls or capturing the run off in your own village or town. And taking measures to keep that water clean by not allowing polluting activities to take place in the catchment.
water harvesting can be undertaken through a variety of ways
Capturing runoff from rooftops
Capturing runoff from local catchments
Capturing seasonal floodwaters from local streams
Conserving water through watershed management
Advantages:
Provide drinking water
Provide irrigation water
Increase groundwater recharge
Reduce stormwater discharges, urban floods and overloading of sewage treatment plants
Reduce seawater ingress in coastal areas.
Water Harvesting Methods:
The harvested water can also be used as drinking water, longer-term storage and for other purposes such as groundwater recharge. It can be done in various ways
Solar Powered MOF Water Harvester - Pulling Drinkable Water out of dry Air
A solar-powered water harvester was constructed at the Massachusetts Institute of Technology using a special material — a metal-organic framework, or MOF — produced at the University of California, Berkeley.
This water harvester uses only ambient sunlight to pull liters of water out of the air each day in conditions as low as 20 percent humidity, a level common in arid areas.
Rooftop tests at MIT confirmed that the device works in real-world conditions.
Making Simple xylem filter from Pine tree for providing safe drinking water.
Researchers at MIT have designed a simple water filter by peeling the bark off a small section of white pine, then inserting and securing it within plastic tubing.
So, If you’ve run out of drinking water during a lakeside camping trip, there’s a simple solution: Break off a branch from the nearest pine tree, peel away the bark, and slowly pour lake water through the stick to get the safe drinking water.
Many countries especially those with an arid environment use rainwater harvesting as a cheap and reliable source of clean water.
Desalination methods
We are use various methods are used to convert sea water into drinkable water. That is called desalination process. Desalination is a process that extracts minerals from saline water. Here are some methods below,
Graphene can filter common salts from water to make it safe to drink
A new research shows graphene can filter common salts from water to make it safe to drink.The new findings could lead to affordable desalination technology.
Turning Salt water into Drinking water using Solar power
The MIT team's this new desalination technology "electrodialysis" is comparatively less expensive.
MIT team invents efficient shockwave-based process for desalination of water.
According to the researchers, this approach is a fundamentally new and different separation system.
water harvesting can be undertaken through a variety of ways
Capturing runoff from rooftops
Capturing runoff from local catchments
Capturing seasonal floodwaters from local streams
Conserving water through watershed management
Advantages:
Provide drinking water
Provide irrigation water
Increase groundwater recharge
Reduce stormwater discharges, urban floods and overloading of sewage treatment plants
Reduce seawater ingress in coastal areas.
Water Harvesting Methods:
The harvested water can also be used as drinking water, longer-term storage and for other purposes such as groundwater recharge. It can be done in various ways
Solar Powered MOF Water Harvester - Pulling Drinkable Water out of dry Air
A solar-powered water harvester was constructed at the Massachusetts Institute of Technology using a special material — a metal-organic framework, or MOF — produced at the University of California, Berkeley.
This water harvester uses only ambient sunlight to pull liters of water out of the air each day in conditions as low as 20 percent humidity, a level common in arid areas.
Rooftop tests at MIT confirmed that the device works in real-world conditions.
Making Simple xylem filter from Pine tree for providing safe drinking water.
Researchers at MIT have designed a simple water filter by peeling the bark off a small section of white pine, then inserting and securing it within plastic tubing.
So, If you’ve run out of drinking water during a lakeside camping trip, there’s a simple solution: Break off a branch from the nearest pine tree, peel away the bark, and slowly pour lake water through the stick to get the safe drinking water.
Many countries especially those with an arid environment use rainwater harvesting as a cheap and reliable source of clean water.
Desalination methods
We are use various methods are used to convert sea water into drinkable water. That is called desalination process. Desalination is a process that extracts minerals from saline water. Here are some methods below,
Graphene can filter common salts from water to make it safe to drink
A new research shows graphene can filter common salts from water to make it safe to drink.The new findings could lead to affordable desalination technology.
Turning Salt water into Drinking water using Solar power
The MIT team's this new desalination technology "electrodialysis" is comparatively less expensive.
MIT team invents efficient shockwave-based process for desalination of water.
According to the researchers, this approach is a fundamentally new and different separation system.
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