ETP, STP, WTP ডিজাইন, Installation এবং DOE ছাড়পত্র — শুরু থেকে শেষ পর্যন্ত

+880 1338-950649 team.waterexchange@gmail.com
Water ExchangeWater Exchange
HomeAboutServicesProductsExpertiseClientsBlogContact
Free consultation
Water Exchange

A high-end environment consultancy firm in Bangladesh — ETP, STP and WTP design and installation, plus Department of Environment (DOE) water testing and clearance, from start to finish.

House# 396 (4th Floor), Road# 29, New DOHS Mohakhali, Dhaka 1212
team.waterexchange@gmail.com
+880 1338-950649

Explore

  • Home
  • About
  • Services
  • Products
  • Expertise
  • Clients
  • Blog
  • Contact
  • FAQ

Key services

  • Environment Management
  • Environment Report
  • Environmental Design & Drawing
  • Chemical & Machineries
  • Captive Power Plants (CPPs)
  • Environmental Sustainability Research

Legal

  • Terms of Use
  • Privacy Policy
  • Cookie Policy
  • Refund Policy

Worked with

  • UNDP
  • JICA
  • BRAC
  • IFRC
  • NGO Forum for Public Health

© 2026 Water Exchange. Water & Beyond. All rights reserved.

HomeBlog

Insights & Field Notes

Practical guides on treatment plants, DOE compliance and waste — plus research from our field work.

  • All posts 20
  • Water Treatment 7
  • Compliance 5
  • Waste Management 3
  • Research 2
  • Events 1
  • Energy 1
  • Training 1

Planning an ETP, STP or WTP?

Talk to an engineer today — we’ll guide you from design and installation to DOE clearance.

+880 1338-950649
Water Treatment

20 Oct 2026· 2 min read

How an Effluent Treatment Plant Works: A Step-by-Step Guide for Factory Owners

From the equalization tank to the final clarifier — what happens to your wastewater at each stage of an ETP, and why every stage matters for DOE compliance.

Read article
  • Water Treatment

    24 Sept 2026· 1 min read

    Why Your Building Needs a Sewage Treatment Plant — and How to Size One

    Hospitals, apartment blocks and commercial buildings produce sewage every hour. A properly sized STP protects public health and keeps approvals on track.

    Read article
  • Water Treatment

    27 Aug 2026· 1 min read

    Roots Blower or Turbo Blower? Choosing the Right Aeration Blower

    Aeration is often the largest electricity cost in a treatment plant. Here is how Roots and turbo blowers compare, and when each one makes sense.

    Read article
  • Water Treatment

    15 Jul 2026· 1 min read

    Zero Liquid Discharge: Is It Right for Your Textile Factory?

    Zero liquid discharge recycles almost all of a factory’s wastewater. It saves groundwater but needs careful planning. Here is what is involved.

    Read article
  • Water Treatment

    16 Jun 2026· 1 min read

    Water Treatment Plants: Safe Drinking Water for Factories and Communities

    Groundwater in many parts of Bangladesh carries iron, arsenic or high hardness. A water treatment plant matched to your source water fixes the problem.

    Read article
  • Water Treatment

    2 Jun 2026· 1 min read

    Rainwater Harvesting: A Simple Way to Cut Groundwater Use

    Large factory roofs collect millions of litres of rain every monsoon. Capturing it reduces groundwater pumping and can recharge the aquifer.

    Read article
  • Water Treatment

    24 Mar 2026· 1 min read

    Online Monitoring: Real-Time Data on Your Effluent Quality

    Online analyzers and flow meters show how your plant performs every minute, not just on the day of the water test.

    Read article
  • 7 articles in Water Treatment

    Send a message