Bang Pa-In Industrial Estate
TTW PCL has already acquired the water production and wastewater treatment rights for Bang Pa-In Industrial Estate (BIE), Phra Nakhon Sri Ayutthaya, Bang Pa-In Land Development Co., Ltd. for a period of 30 years from August 2009 onwards. The water production system in Bang Pa-In Industrial Estate uses water from surface water sources, with the maximum production capacity of 48,000 cubic meters per day. Raw water is supplied from Chao Phraya River, with the average water production capacity of 18,000 cubic meters per day.
Bang Pa-In Industrial Estate’s central wastewater treatment system is an activated sludge system, with the treatment capacity of 18,000 cubic meters per day. Currently, the amount of wastewater is 12,000 cubic meters per day. Treated wastewater will be kept in the 18,000 cubic meter-storage pond (for a period of 1 day) before draining out to the Industrial Estate’s gutter to reuse, while the rest will be drained out to nearby water sources.
Wastewater from factories will be drained into water collection pipeline and will flow to the 4 lift stations, where automated submersible pumps are installed in order to pump wastewater to the central treatment system. Wastewater collection is completely separated from the rainwater drainage system, and the wastewater treatment system is comprised of the following: