Frequently Asked Questions
What buyers, consultants and regulators ask most often about WTBL and its treatment systems.
What does Water Technology BD Limited (WTBL) do?
WTBL is a Bangladeshi water and wastewater engineering company that designs, manufactures, installs, commissions and maintains industrial treatment plants. Its scope covers Effluent Treatment Plants (ETP), Sewage Treatment Plants (STP), Water Treatment Plants (WTP), Reverse Osmosis (RO), Demineralisation (DM), Membrane Bio-Reactor (MBR) and Zero Liquid Discharge (ZLD) systems.
How many treatment plants has WTBL built in Bangladesh?
WTBL has completed more than 600 projects over 15+ years, with over 150 million litres per day of installed treatment capacity and 59 projects currently live. Clients span textile, pharmaceutical, pulp and paper, food and beverage, cement, steel and economic zone developments.
Are WTBL treatment plants DoE and BEZA compliant?
Yes. WTBL designs its plants to meet Department of Environment (DoE) effluent discharge standards and the requirements of BEZA economic zone developments. Compliance documentation and performance guarantees are covered as part of the design and commissioning scope.
Which international technology brands does WTBL work with?
WTBL is an authorised DuPont Water Solutions distributor in Bangladesh for RO, UF and MBR membranes, and also works with Memcor, Italmatch, Trundean, Mutag and Inge. These partnerships bring globally certified membrane, blower and chemical technologies to locally engineered plants.
Does WTBL manufacture equipment locally or only import it?
WTBL manufactures core treatment components in-house at its Gazipur factory, including DAF units, clarifiers, mechanical screeners, sand filters, pressure vessels and RO skids. Local manufacturing shortens lead times and keeps quality control and spare-part supply inside the company.
Does WTBL provide operation and maintenance after commissioning?
Yes. WTBL offers full operation and maintenance (O&M) contracts covering plant operation, chemical dosing, membrane cleaning and replacement, spare parts and compliance reporting. O&M can be arranged for plants WTBL built as well as for existing plants installed by others.
Where is WTBL located?
The corporate office is at House #1248, Level #04, Road #09, Avenue #02, Mirpur DOHS, Dhaka 1216, and the manufacturing factory is at Plot-83, Bagdi, Nagori Road, Kaliganj, Gazipur. WTBL serves clients across Bangladesh.