Technical

ETP Operation, Performance Analysis & Improvement

Wastewater Treatment & Environmental Compliance

Technical

An advanced technical program for environmental engineers, ETP operators, and compliance managers in Bangladesh's industrial sector. This training covers the complete ETP lifecycle — from wastewater science and activated sludge design to performance analytics, water recycling, ZLD systems, and hands-on troubleshooting of real-world operational challenges.

Trainer

Rajib Ul Haque

Director & Chief Environmental Expert

Learning Objectives

Understand the fundamental science behind wastewater treatment and ETP operations
Analyze and optimize activated sludge process performance for industrial effluents
Evaluate water recycling strategies and design Zero Liquid Discharge (ZLD) systems
Apply mathematical models to determine, analyze, and benchmark ETP performance
Diagnose and resolve common operational issues in activated sludge systems
Ensure compliance with national and international environmental discharge standards

Course Outline

Module 1: Context and Science of Wastewater Treatment

Fundamentals of wastewater chemistry and biology
Characterization of industrial effluents (BOD, COD, TSS, pH, color)
Overview of physical, chemical, and biological treatment methods
Bangladesh DoE discharge standards and international benchmarks
ETP design considerations for textile and tannery industries

Module 2: Activated Sludge Process

Process design principles and operating parameters
Microbiology of activated sludge — floc formation and settling
Aeration systems and oxygen transfer efficiency
Sludge age, F/M ratio, and MLSS management
Sequencing Batch Reactor (SBR) and extended aeration variants

Module 3: Partial Water Recycling and Zero Liquid Discharge (ZLD)

Recycling strategies for industrial wastewater streams
Membrane technologies — UF, NF, and RO applications
ZLD system design, implementation, and economics
Brine management and evaporation-crystallization
Cost-benefit analysis and ROI of water reuse projects

Module 4: Mathematics to Determine and Analyze ETP Performance

Key performance calculations — BOD, COD, TSS removal efficiency
Hydraulic retention time (HRT) and sludge retention time (SRT)
Mass balance and loading rate calculations
Data interpretation, trend analysis, and KPI dashboards
Benchmarking against DoE standards and industry best practices

Module 5: Troubleshooting of Activated Sludge System

Common operational issues — bulking, foaming, pin floc, rising sludge
Root cause analysis using microscopy and settleability tests
Nutrient deficiency and toxic shock diagnosis
Corrective actions and preventive maintenance protocols
Case studies from RMG, textile, and tannery ETPs in Bangladesh

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