Water/Waste water treatment
Water & Waste Water Solutions
Engineering Sustainable Water Infrastructure
Water is one of the world’s most critical resources, and efficient management of water and wastewater is becoming increasingly important for industries, municipalities, and infrastructure projects. Rigel Bioenviron Solutions provides engineering, project development, and implementation support for water treatment, wastewater treatment, water recycling, reuse, and associated infrastructure systems.
Our expertise spans the complete water cycle—from raw water intake and treatment to wastewater management, resource recovery, recycling, and reuse—helping clients improve operational efficiency, reduce environmental impact, and meet regulatory requirements.
Water Treatment Systems
We provide engineering and project support for a wide range of water treatment applications designed to deliver reliable process water, utility water, and high-purity water for industrial operations.
Key solutions include:
- Industrial Water Treatment Plants
- Water Softening Systems
- Reverse Osmosis (RO) Plants
- Demineralization (DM) Plants
- High-Purity Water Systems
- Process Water Treatment Solutions
- Raw Water Intake Systems
These systems are designed to improve water quality, reduce scaling and fouling, and support efficient industrial operations.
Wastewater Treatment & Resource Recovery
Industrial and municipal wastewater contains valuable resources that can be recovered while reducing environmental impact. Rigel supports the design and implementation of wastewater treatment systems that combine environmental compliance with resource recovery opportunities.
Our capabilities include:
- Industrial Effluent Treatment Plants (ETP)
- Sewage Treatment Plants (STP)
- Wastewater Recycling Systems
- Anaerobic Treatment Systems
- Wastewater-to-Biogas Solutions
- Zero Liquid Discharge (ZLD) Concepts
- Sludge Management and Resource Recovery
By integrating wastewater treatment with renewable energy and circular economy principles, wastewater can be transformed from an environmental challenge into a valuable resource.
Water Recycle & Reuse
As industries increasingly focus on water conservation and sustainability, water reuse is becoming a key component of modern infrastructure planning.
Rigel supports the development of water recycling systems that help organizations:
- Reduce freshwater consumption.
- Lower operating costs.
- Improve water security.
- Achieve sustainability targets.
- Comply with environmental regulations.
Advanced treatment technologies such as membrane filtration, reverse osmosis, and tertiary treatment enable treated wastewater to be reused for industrial processes, utilities, landscaping, and other non-potable applications.
Water Infrastructure Engineering
In addition to treatment systems, Rigel provides engineering services for large-scale water infrastructure projects.
Our experience includes:
- Raw Water Intake Systems
- Pumping Stations
- Cross-Country Pipelines
- Water Transmission Networks
- Utility Balance of Plant (BOP)
- Hydraulic Design & Engineering
- 3D Engineering and Infrastructure Modelling
These capabilities enable the development of integrated water systems that support industrial facilities, municipalities, and large infrastructure projects.
Engineering, Consulting & Project Development
Rigel combines engineering expertise with project management and consulting capabilities to support clients throughout the project lifecycle.
Services include:
- Feasibility Studies
- Detailed Project Reports (DPR)
- Basic & Detailed Engineering
- Owner’s Engineering
- Environmental Assessment Support
- Project Management Services
- EPC Support and System Integration
Our multidisciplinary approach allows us to deliver technically robust and commercially practical solutions tailored to project-specific requirements.
Delivering Circular Water Solutions
The future of water management lies in resource efficiency, reuse, and recovery. By integrating water treatment, wastewater management, recycling, and energy recovery, Rigel helps industries and communities move towards more sustainable and resilient water infrastructure systems.
Through innovative engineering and integrated project execution, we support clients in transforming water challenges into opportunities for efficiency, sustainability, and long-term value creation.
Selected executions
In Water/ Wastewater systems, Rigel is having experience working with renowned consultants like CET (SAIL), MECON, M.N. Dastur, DCPL, TCE, Mott McDonalds, etc. and system integrators/ specialists like Ion Exchange, Waterleau, GE Water/ SWEZ, World Water Works, USA, Premier Tech, Canada, ECOTEX, Mexico, to name a few. RIGEL on its own capacity have designed and engineered 480 MLD Water Pumping & 5 KM Cross Country Pipeline project for H.N. Construction Pvt. Ltd., Bokaro for their project at Bokaro Steel Plant.
RIGEL is also in Environmental Impact Assessment & Management Study, Detailed Project Report (DRP) preparation works. We are part of a prestigious water balance study project for Allahabad City, along with Geovale Services, Kolkata, contributing for analysis of impact of nutrient and metabolic water quality parameters and energy balance in the water supply and distribution system. This is one of the pioneering works in India for water quality assessment.
Executed Industrial ETP Recycle & Waste to Wealth Project
- Project for Zero Liquid Discharge WWTP of 800 KLD for a 100% Export oriented slaughter house at Vishakhapatnam with state of the art MBR, UF and RO systems.
End User: Vizac Food Pvt. Ltd., Vishakhapatnam
The scope includes:
- Complete process and basic engineering for the Effluent Recycle System,
- Studying existing ETP and short comings of the same, feasibility report for optimum Recycle.of the treated wastewater.
- Flow measurement and water balance analysis.
- Upgradation and optimization of existing UASB System
- Upgradation and optimization of the existing aeration tanks with nutrient removal system.
- Revamping of the existing filtration system tanks for New MBR and RO system implementation.
- Comparison of MBR system vs UF system
- Switchgears, panels, automatic control systems,
- Preparation of tender and selection of suitable vendor for project implementation.
Waste to Energy treating 12 MT per day
Waste to Energy treating 12 MT per day of cow-dung and abattoir waste producing 900 Nm3/hr of biogas consisting 65% of methane to be used for boiler firing.
- End User: Vizac Food Pvt. Ltd., Vishakhapatnam
- Raw material: Cow dung
The scope includes:
- Complete process and basic engineering for the biogas generation,
- Feasibility Study with respect to existing UASB and utilization of biogas
- New cowdung digester design
- Gas storage, cleaning and utilization system design.
- Furnace retrofitment design
- Switchgears, panels, automatic control systems,
- Preparation of tender and selection of suitable vendor for project implementation.
Yuksom Breweries Ltd., Sikkim, India, Rigel scope is recycling and reuse of wastewater from the ETP in process. (Under Execution)
Revamping of Large STPs & associated Biogas plants.
- Domestic Sewage Treatment Plant (70 MLD) treating wastewater with UASB technology.
- Domestic Sewage Treatment Plant (35 MLD) treating sewage sludge by anaerobic digestion.