Remote Water Quality monitoring
Since the field of operations is out in the rivers, water treatment plants, pools and open sea it is not humanly possible to take reliable , real time water quality status. manpower.
Water Quality Management
Water Management activity affects multiple sectors: agriculture, farming, industry, services, cities Monitoring potable water, detecting chemical leakages in rivers, controlling realtime leakages in the sea, tracking pressure variations along pipes and checking water quality in facilities such as fish farms or measuring cleanliness and chlorine value in swimming pools are some examples.
Key Challenges
Impossible to take 24/7 reading in open water situations
Inaccurate readings
Not realtime
Skilled manpower required
Data analysis
Following are the typical interventions or combinations of them to address a particular use case for creating an autonomous monitoring and delivery system.
Dependable measurements
Typically the sites for water quality measurements are harsh for human beings and subjected to tough conditions posed by weather, temperature, rough turbulent water.
Compliance and Regulations
Sustainability of natural resources is in focus nowadays because of realization by industry and consumers and strict government regulations around it.
Automated water treatment
Automated water treatment based on multiple conditions based on contaminant detected, Power, temperature, weather and other conditions can be triggered by the system resulting in process efficiency.
Revca integrates industrial class hardware to address the water level management solutions
Turbidity
Turbidity is the amount of individual suspended particles in water. There are several factors which provoke water turbidity: Phytoplankton and/or algae presence or Effluent water or wastewater discharge. The smart Turbidity sensor ensures real time data and interventions in the process flow. Due to the presence of these particles, the water seems to be cloudy or hazy in appearance.
pH
pH is normally associated with acidic levels of the water.The pH of pure water is 7, however, pH can vary based on the topological and geographical conditions. Measuring pH or content of hydrogen, Oxidation-Reduction Potential (ORP) and
Dissolved Oxygen (DO) tells if the water is acidic or basic in nature.
Temperature
The temperature of the water plays a crucial role in sustaining aquatic life and their habitat. Water temperature and the volume of moving water can affect dissolved oxygen levels. Oxygen dissolves easier in cooler water than in warmer water. For industrial applications too, the temperature of the water is essential to be monitored for efficient operations and increased production rate.
Dissolved Oxygen
Oxygen enters the water by direct absorption from the atmosphere, by rapid movement, or as a waste product of plant photosynthesis. Dissolved oxygen levels that drop below a threshold cause stress to aquatic life. Lower concentrations
cause greater stress. BOD or biological oxygen demand is a parameter that is rudimentary for the fragmentation of organic compounds present in the water by various micro-organisms.
Conductivity and TDS
Usually suspended solids are salts. Total suspended solids can be “controlled” with conductivity.Generally the conductivity of a solution increases with temperature, as the mobility of the ions increases. The high concentration of TDS (total dissolved salts) in water increases its conductivity which affects the breeding and growth of aquatic life.
Salinity
High salt strengths in water also increase salinity. Saline water cannot be used for potable purposes and also isn’t appropriate for domestic, industrial, or agricultural usage. These parameters when measured through water quality monitoring devices allow an IoT system to perform real-time water quality monitoring that can be used to develop useful insights and take informed actions.
Applications of Automatic Water Quality Monitoring Systems
The technology of Internet of Things has enabled the creation of smart water quality monitoring solutions that are evolving the modus operandi of different industries. Below is a list of some sector that can benefit from the implementation of these systems.
Use cases
Water Utilities
The core mission of Water suppliers and utilities is to provide efficient, effective, and reliable water to its consumers that can use for drinking and other purposes. By implementing IoT based solutions of water quality measurement, the utilities can monitor the quality of the distributed water in overhead tanks and even in pipelines.
Agriculture
Optimum water quantity and nutrient rich quality is a pre requisite for high yield of crop production. Based on the moisture and other parameters like crop specific water and nutrient requirement, the sensors and probes can be used to enhance their irrigation practices and ensure a high yield of healthy crops.
Fisheries
Fisheries involve a very specific temperature, nutrient and medicines requirement to enhance the breeding and well being of fishes. In addition there are regulatory requirements for fishes grown in controlled environment to be certified as fit for human consumption. IoT system helps in maintaining in real time all the control parameters.
Swimming pools
An IoT based smart salt chlorinator enables chlorine level management. It tests the levels in the water and ensures the right amount of chlorine is added at all times, keeping your pool water, hygienic and maintaining a safe pH balance, so you can enjoy swimming in your pool without having to worry.
Wastewater Treatment
Wastewater generated is to be treated and managed before it is discharged into a freshwater body. Parameters like pH, temperature, turbidity, and TDS are hence to be monitored to make sure that the water is treated properly before it is secreted. Smart water quality monitoring system using IoT optimize the inspection processes and hence reduce the need for manual interference.
Manufacturing Units
Production and manufacturing based companies often discharge chemicals and other harmful fluids in rivers. Strict regulations are hence imposed on them to make sure that no harm is made to aquatic life. Factories can hence use real time water quality monitoring to make sure that compliance is confirmed as per the imposed regulations.
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