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The project goal is to produce ultra-pure, salt-free water (Zero TDS) from highly saline or contaminated sources to combat water scarcity and prevent scaling in industrial equipment. The problem addressed is the high energy cost, membrane fouling, and inefficiencies of traditional pressure-driven systems. MethodologyPre-treatment: Raw saline water is filtered to remove suspended solids, organics, and debris that could clog the system. Heating: The feed water is heated to low temperatures using waste heat or solar thermal [login to view URL] Transport: The hot feed passes across a hydrophobic, microporous membrane. Liquid water is blocked, but water vapor passes through the pores. Condensation: The vapor condenses on the cooler side of the membrane, producing purified, mineral-free (salt-free) water. Key FeaturesThermal Driving Force: Operates via a temperature gradient (vapor pressure difference) rather than relying on high hydraulic [login to view URL] Solute Rejection: Delivers \(99.9\%\) pure water with essentially zero dissolved salts or contaminants. Low Operating Pressure: Eliminates the need for expensive high-pressure pumps. Zero Liquid Discharge (ZLD) Integration: Often paired with crystallization methods to extract valuable minerals and achieve complete recycling of [login to view URL] Purity: Yields laboratory-grade demineralized (DM) water suitable for sensitive applications like CPAP machines, humidifiers, inverters, and precision industrial equipment. Energy Efficiency: Can utilize low-grade industrial waste heat or renewable solar energy. Equipment Protection: Prevents scaling, residue buildup, and corrosion in appliances and battery cells. Sustainability: Drastically reduces liquid waste and reliance on localized freshwater sources by recycling saline/produced wastewater.
Project ID: 40489403
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5 freelancers are bidding on average ₹3,000 INR/hour for this job

Hello sir, I am Process/Chemical Engineer with 14 years' experience, I can provide a complete technical design and performance evaluation of the proposed membrane-based zero TDS water production system, including pre-treatment, thermal/vapor transport modeling, condensation analysis, and energy optimization using waste/low-grade heat. I also have experience in process simulation and separation systems and can deliver a clear, practical, and optimized solution addressing scaling, fouling, and ZLD integration requirements.
₹2,500 INR in 40 days
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Hello, I bring more than 35 years of experience in environmental engineering, with particular expertise in water and waste management systems, feasibility studies, technology evaluation, and project development across India and the GCC. I have prepared and reviewed technical feasibility studies, process evaluations, DPRs, technology assessments, cost analyses, and project reports for environmental and infrastructure initiatives. This work has included treatment systems, resource recovery, sustainability programmes, and industrial utilities, with a strong focus on technical viability, operational risk, scalability, energy requirements, and commercial feasibility. From your description, the concept appears to involve a low-temperature membrane distillation process that uses thermal energy to produce ultra-pure water with minimal pressure. I can help assess its technical merits, process feasibility, implementation challenges, energy balance, operating considerations, and overall practical viability. Clarifying the Expected Deliverable • Technical feasibility study • Project report, thesis, or dissertation • Research paper or literature review • Pilot plant or process design assessment • Commercialization or business viability report Understanding the intended outcome will help me recommend the most suitable approach and the appropriate depth of analysis. I would be glad to discuss the project further. Regards, Krishnan I.
₹2,500 INR in 40 days
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Hi, I am very much familiar with your project topic. I can help you write up a proposal with relevant references. The document tone can be tailored to the target audience.
₹2,500 INR in 10 days
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Advanced Water Purification Project I am writing to express my strong interest in collaborating on your project. With over 25 years of extensive experience in industrial chemistry, specializing in water treatment and complex chemical formulations, I am uniquely positioned to add significant value to your Zero TDS purification initiative. My career has been defined by a deep understanding of water treatment technologies, from industrial process optimization to developing advanced formulations for critical infrastructure, including successful bids and technical work for nuclear power plants. This experience has instilled in me a rigorous approach to system performance, scaling prevention, and material compatibility—factors that are paramount in high-purity water production. I am particularly excited about your focus on energy efficiency and sustainable waste recycling. I possess the technical depth to not only understand the theoretical framework of your project but also to anticipate and resolve the practical, field-level complications that arise in industrial applications. My commitment to delivering high-performance, cost-effective solutions aligns perfectly with your objectives. I am a highly proactive consultant, eager to apply my technical insights to ensure the success and scalability of your high-grade water production initiative.
₹5,000 INR in 40 days
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Subject: Expert Process Engineer for Membrane Distillation & ZLD Design Hi , As a Process Engineer specializing in advanced water treatment and desalination, I can help you design and optimize your Membrane Distillation (MD) system to achieve Zero Liquid Discharge (ZLD) and produce ultra-pure, zero-TDS water. Your thermal-driven approach using hydrophobic, microporous membranes perfectly addresses the high energy costs and fouling issues of traditional pressure-driven RO systems, especially for highly saline feeds. Here is how I can support your project: • Pre-Treatment Optimization: Designing robust filtration to protect the membrane from organic fouling and pore wetting. • Thermal & Hydraulic Design: Optimizing the low-temperature heating loop to maximize the vapor pressure gradient using industrial waste heat or solar thermal inputs. • P&ID Development: Creating precise Piping and Instrumentation Diagrams for the complete low-pressure system to ensure total solute rejection. • Dynamic Process Simulation: I build interactive DCS mimics and dynamic HMI simulations for desalination units. I can create a functional HTML/JavaScript simulation of your MD loop to test controls, heating, and condensation virtually before deployment. I look forward to discussing your exact deliverables and how we can bring this highly sustainable, energy-efficient system to life. Best regards, Ahmed Process Engineer | Water Treatment Specialist
₹2,500 INR in 40 days
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Surat, India
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