Real-Time Monitoring and Remote Access Systems for STP/ETP

The non- availability of manpower to operate the STPs/ETPs, with the higher operating cost of the same with lower efficiency, and lack of proper feedback or monitoring system always has been a challenge to the customers for the STPs/ETPs. With the help of the growing number of available sensors and monitoring tools and technologies, we have developed a solution with which the above problems can be addressed properly.

RTM is an Internet of Things (IoT) enabled smart water, air, energy & environmental management solution. The key focus of the solution is to help customers get real-time data, predict faults & provide troubleshooting insights, with the power of data science to achieve assured returns (ROI) & lifecycle support for utilities/treatment plant investments.

Operating in real-time, the system generates a wealth of valuable and actionable data by remotely and continuously monitors water networks and quality in STP/ETP. RTM consists of a number of smart sensors and control systems to monitor flow rates, equipment power consumption, treated water quality, etc. With the help of data received from these sensors, we can manage network efficiency using real-time performance indicators. Remote access of the equipment in the STP can be provided through a PLC controlled panel and dedicated SCADA system. Thus we can monitor and operate the plant remotely with minimal use of manpower and with higher efficiency, effectively reducing manpower cost since the plant can be operated by any technician from the maintenance/control room and minimal manpower is required for STP alone.


An STP/ETP is a system that requires full-time supervision to ensure consistent operation with minimum energy consumption. It needs to employ an engineer/supervisor/operator to monitor the STP/ETP, which is costly, time-consuming, and lesser efficient. We provide remote, real-time monitoring of the STP/ETP status, allowing for a sudden response if any abnormality is detected within the system. Sensor data is streamed continuously to the cloud.

The RTM provides real-time data on the quality of treated water (COD, BOD, TSS, etc.), flow rates and status of various equipment, our backend analytics can quickly detect anomalous readings triggering an alert to the concerned party. These alerts can be used to deploy maintenance crews immediately before complete failure, improving efficiencies. Further, the alerts can minimize costly equipment failures (pumps, blowers) and prolonged downtimes which can occur if critical issues are not detected in real-time.

Sensors RTM Analytics
pH sensor Real-Time Data Visualisation
TDS sensor Automated alerts
Chlorine/ ORP sensor Actionable insights
Conductivity sensor Trend analysis
Dissolved Oxygen Sensor Efficiency matrix
Pressure Sensor Water and Energy balance
Flow sensor Fault detection
Energy meters Remote access
Variable Frequency Device Tank level
Turbidity sensor Production rates and run time

Key Features:

  • Dashboard for hydraulic and water quality performance with indicators based on flow, pressure, and quality parameters.
  • Continuously updated lists of process events and system events detected by statistical methods, including automatic estimation of missing invalid data.
  • Reduced operation cost (energy, manpower, consumables, equipment failure)
  • Improved transparency and accountability, reduced reliance on labor
  • Quality monitoring view with specific quality indicators, map display of multi-parameters probes, accurate quality event detection, sampling points with associated lab analysis data.
  • Increased STP/ETP uptime by enabling better preventative maintenance
  • Automatic chorine dosing, energy monitoring, and tank level monitoring.
  • Graphs showing the historical performance of the STP/ETP.
  • The dashboard can also generate daily reports and site updates with photos
  • PLC-based remote control of equipment (Additional system as per customer request)

Water Quality

  • Manage network efficiency using real-time performance indicators
  • Follow the status of water quality throughout the network accurately and continuously.
  • Improve understanding of local water quality requirements: such as water origin, water blending, chlorine injection.
  • Quantify water losses.

Operational Effectiveness

  • Deliver reliable operations across the network through global hydraulic and water quality analysis.
  • Reduces the reliance on unskilled operators on-site to detect and correct issues.
  • Respond and prioritize actions more effectively in the event of an incident.
  • Optimize water production or water purchase policy through improved network efficiency.

Membrane Bio Reactor(MBR) System

Membrane bioreactor (MBR) is the combination of a membrane process like microfiltration or ultra-filtration with a biological wastewater treatment process, the activated sludge process. It is now widely used for municipal and industrial wastewater treatment.

It is possible to operate MBR processes at higher mixed liquor suspended solids (MLSS) concentrations compared to conventional settlement separation systems, thus reducing the reactor volume to achieve the same loading rate. Two MBR configurations exist: internal/submerged, where the membranes are immersed in and integral to the biological reactor; and external / side-stream, where membranes are a separate unit process requiring an intermediate pumping step.

Benefits of MBR:

  • • Crystal clear permeate water.
  • • Can operate at higher sludge volume index.
  • • Minimum operating space.
  • • Continuous output.

Ultra Filtration(UF) System

Ultra-filtration (UF) is a variety of membrane filtration in which forces like pressure or concentration gradients lead to a separation through a semi-permeable membrane. Suspended solids and solutes of high molecular weight are retained in the so-called retentate, while water and low molecular weight solutes pass through the membrane in the permeate (filtrate).


  • • Drinking Water
  • • Protein concentration.
  • • Filtration of effluent from paper pulp mill
  • • Cheese manufacture
  • • Removal of some bacterias from milk
  • • Process and waste water treatment
  • • Enzyme recovery
  • • Fruit juice concentration and clarification
  • • Dialysis and other blood treatments
  • • Desalting and solvent-exchange of proteins
  • • Laboratory grade manufacturing
  • • Radiocarbon dating of bone collagen

Reverse Osmosis(RO) Systems

Reverse osmosis (RO) is a water purification technology that uses a semi-permeable membrane to remove ions, molecules and larger particles from drinking water. In reverse osmosis, an applied pressure is used to overcome osmotic pressure, a colligative property that is driven by chemical potential differences of the solvent, a thermodynamic parameter. Reverse osmosis can remove many types of dissolved and suspended species from water, including bacteria, and is used in both industrial processes and the production of potable water.

The typical single-pass sea water reverse osmosis system consists of:

  • • Intake
  • • Pre-treatment
  • • High pressure pump
  • • Membrane assembly
  • • Remineralisation and pH adjustment
  • • Disinfection
  • • control panel

Uv. Sterilizer

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Pressure Sand Filter

These filters are the most popular method for removal of turbidity from water. The Pressure Sand Filter consists of a multiple layer of sand with a variety in size and specific gravity. These Filters are designed to remove turbidity and suspended particles present in the feed water with minimum pressure drop. These Filters are custom designed to suit the process requirement. These filters are offered in Mild Steel, FRP or SS construction with face piping and associated Valves.

Construction: The Pressure sand filter consists of a pressure vessel either vertical or horizontal, with a set of frontal pipe work and valves, graded silica quartz sand supported by layers of graded under bed consisting of pebbles and gravels, a top distributor to distribute the incoming water uniformly throughout the cross section of the filter, and an under drain system to uniformly collect the filtered water.

Water Softners

We call water "hard" if it contains a lot of calcium, magnesium or other minerals. Groundwater acquires these metals by dissolving them from surrounding soil and rock. Industry measures water hardness in terms of milligrams per litre (mg/L). If water tests at 2-20 mg/L or less, then you have soft water. Water around 20-60 mg/L occupies a gray zone between soft and slightly hard water and 60-120 mg/L is moderately hard. Hard water is around 120 - 180 mg/L, and very hard water is above that.

How do all those number affect you? Hard water causes two problems: 1) Dissolved calcium and magnesium precipitate out of hard water as scale, which builds up on the insides of pipes, water heaters, tea kettles, coffee makers and industrial machinery. Scale reduces flow through pipes and is a poor conductor of heat. Eventually, pipes can become completely clogged. 2) Hard water reduces soap's ability to lather, whether in the shower, sink, dishwasher or washing machine, and reacts with soap to form a sticky scum.

Process: Water softening Plants are based on the proven ion exchange process. The Water Softeners are simple in operation, highly efficient and compact units designed to produce soft water efficiently and economically. The Water Softeners are available in different sizes and materials, manually operated or fully Automatic, & ready to install. The Water Softening Plants are available as standard models or custom built versions for specific needs.

Activated Carbon Filter

The Activated carbon Filters are designed to remove free chlorine, organic matter, odour and Colour present in the raw water and waste water. Due to its high degree of micro porosity, activated carbons provide a huge surface area. Activated carbon filter operates through adsorption. Adsorption is directly related to the surface area of the media. This great surface area furnishes a huge adsorption area for organic as well as chlorine molecules to attach themselves.

The Activated Carbon Filters consist of Activated carbon granules supported by very fine quartz filter media. Various grades of carbon are available for specialized treatments. Filtration is the most frequently used, robust method to remove suspended solids from water. The Filter consists of a multiple layer of sand/ Filter Media with a variety in size and specific gravity. The Filters are designed to remove turbidity and suspended particles present in the feed water with minimum pressure drop. Fluid Systems offers a wide range of filters for varying applications with single/multiple media options to meet specific process requirements.