The demand of water across various sectors is on the rise.
This lack of availability of water to fulfil the need makes India move towards the category of water stressed nations by 2020.
The sector estimates that 77% of industries mention easy availability of water as one of the key requirements needed for their daily operations.
This urgency in gradual shortage of availability of water for industries calls for a smart solution.
A solution that comes to the rescue of the budding industries as well as the existing ones; and which doesn’t add to the pressure on the business.
*Source – Water use in Indian Industry Survey by FICCI
Wastewater is water that has before been used either by industries or households.
To reuse the wastewater needs to do water treatment.
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Waste water treatment plant is in high demand in those industries which are in need of clean water.
They are used to work with wastewater i.e., water which cannot be again put to use or is not required again.
They can be again released into nature by converting them into bilge water.
A waste water treatment plant helps in showering, washing, utilizing the container and spilling over of the water.
Waste water is full of various kinds of contaminants like microscopic organisms, chemicals and poisons.
A treatment plant helps in reducing the effect of these contaminants and makes the water suitable for releasing into nature.The plants basically use clariflocculators are meant for primary treatment of the effluent water, chemically.
Greater efficiency and constant innovation are the primary areas of development for water and wastewater management solutions.
The manufacturers of the equipment aim on developing innovative and highly effective products to resolve the major issue of water scarcity.
The process of water recycling involves numerous kinds of equipment such as removal of impurities and sediments.
Let’s look at the latest trends in management of wastewater:1.Reduced Groundwater PumpingBecause of the high awareness of the importance of water reuse, the Industries are expected to reduce the use of underground aquifers.
The expectations are set with the water and wastewater treatment sectors to head the efforts.
Raised budget for emergency situations is expected to create business opportunities for important manufacturers.
The increased pressure from pollution regulatory of India – CPCB (Central Pollution Control Board) and water scarcity have led many industries to re-visit the need for greener process technologies, adopt efficient wastewater treatment systems and to strictly monitor adherence to discharge norms.
While there are various ways and methods that industries use to treat their wastewater, ZLD aims for total reuse of water resources and zero polluting discharge.Adherence to ZLDThe most important aspect for including ZLD in the wastewater treatment process, is the decreasing availability of freshwater.
It is creating a compulsion for the manufacturing industries to recycle wastewater and therefore to choose the most effective treatment of wastewater, out of scarcity.Industries are now moving towards ZLD as the preferred wastewater treatment method because of its reduced impact on the environment.
The aim of ZLD is to retain and recycle as much water as possible and produce solid waste at the end of the process.Typical course of ZLDTypical ZLD system, despite the varying recovery rate come loaded with operating costs and operational limitations.
However, there also exist customized and specialized solutions that use state-of-the-art membrane equipment such as high-recovery reverse osmosis systems to obtain specific treatment goals while achieving high water recovery rate.Another reason that makes ZLD preferable, is that it allows extraction of important resources back from the waste.
Some of the industries opt for ZLD, so that they can also trade or reuse the solids that are separated (product recovery).
