Process Senior Lead Manager

Larsen & Toubro; Chennai; On-site; INR 1,200,000 - 2,400,000; Full time

Job summary

Larsen & Toubro Limited seeks a Process Engineer with expertise in Sea Water Desalination and conventional Water Treatment Plant design. The candidate should hold a Bachelor's or Master's degree in Chemical or Environmental Engineering with hands-on design experience in desalination projects.

The role covers complete process design, including intake, pretreatment, RO, energy recovery, remineralization, brine and sludge management, plus conventional WTP design with disinfectation and

Qualifications

• Master or Bachelor in Chemical or Environmental Engineering with design experience in desalination plants.
• Experience in designing desalination and conventional water treatment plants.

Responsibilities

• Design desalination plant components: intake, pretreatment, UF/RO, remineralization and brine management.
• Develop conventional WTP schemes with clarifier, filtration and disinfection.
• Prepare design deliverables including PFDs, MBDs, layouts and equipment lists.

Skills

Desalination design

Water treatment design

Process engineering

Vendor evaluation

Cyanobacteria handling

Education

Bachelor's in Chemical Engineering

Master's in Chemical Engineering

Tools

P&ID software

Process simulation

Mass balance tools

Job description

Process Engineer with expertise in Desalination Plant and conventional Water Treatment Plant The candidate should be with a Master degree or Bachelor degree in Chemical Engineering or Environmental Engineering with a experience of design the Desalination Plant. The person may be engaged in a Water Treatment Company with hands on experience in designing a Desalination Plant and conventional water treatment plant

Complete process design of the following:

Sea Water Desalination Plant (SWDP)

• Design of Desalination Plant with Intake, Pretreatment, Ultra-filtration, Reverse Osmosis, Remineralization, Brine management and sludge treatment.


• 1.1 Sea Water Intake system: Various types of Intake System


• 1.2 Pretreatment system: including Dissolved Air Floatation (DAF); media filtration like DMF (Dual Media Filter), MMF (Multi Media Filter); membrane filtration like UF (Ultra Filtration) etc.


• 1.3 Reverse Osmosis system: including sea water reverse osmosis with , brackish water reverse osmosis.


• 1.4 Energy recovery system: including system design with ERT (Energy Recovery Turbine), Pressure Exchanger and Work Exchanger


• 1.5 Remineralization: including Limestone Bed Filtration with carbon dioxide dosing.


• 1.6 Brine management system: including intermittent brine storage, utilization of brine in the process scheme and disposal of brine back to sea.


• 1.7 Sludge management system: including separation, dewatering and disposal of sludge generated in the process scheme.


• 1.8. Metalloid removal: including removal of Boron by Ion exchange technology.

Conventional Water Treatment Plant (WTP)

• 2.1 Conventional WTP with clarifier, filtration and disinfection.


• 2.2 Process plant WTP with demineralization, electro-deionization (EDI), condensate polishing unit (CPU, both high pressure & low pressure)


• 2.3 Design and selection of processes for handing cyanobacteria and cyanotoxin.


• 2.4 Design and selection of processes for removal of color, odor, heavy metal, micropollutants etc.

Design Deliverables

• Process Design Calculation


• Hydraulic Calculation


• Mechanical Equipment List


• Civil Unit List


• Electrical Load List


• Input for Instrument range


• Process Flow Diagram


• Mass Balance Diagram


• Hydraulic Flow Diagram


• Process & Instrumentation Diagram


• Plant Layout


• General Arrangement Drawing


• Hazardous Area Classification Drawing


• Chemical, Power and Utility Guarantee including calculation of SPC (Specific Power Consumption) for the plant.


• Preparation of RFQ Vendor offer Evaluation & Selection Technical Data Sheets


• Process Design Basis Report


• Operation and Control Philosophy


• Scenario analysis


• Input for Operation and Maintenance Philosophy


• Input for Financial Modelling in BOOT/ BOO projects like Correction factors, correction curves etc.

Codes and Standards

Codes and standards as applicable for the desalination and water treatment projects in Middle Eastern countries, African countries and South East Asian countries.

System Design Tools

Relevant design tools for Water Treatment and Desalination Plant.