Hilton Ras Al Khaimah Resort and Spa

Sewage Treatment Plant (MBBR) for On-site Reuse in Irrigation

Hilton Ras Al Khaimah Resort and Spa

Sewage Treatment Plant (MBBR) for On-site Reuse in Irrigation

CASE STUDY

Hilton Ras Al Khaimah Resort and Spa

Sewage Treatment Plant (MBBR) for On-site Reuse in Irrigation

Hilton Ras Al Khaima Resort & Spa is a luxurious hotel from the international Hilton chain. The multi-award winning resort lays across 1.5 kilometers of sandy beaches and numerous grassy grounds. As a client of Clear Water Solutions, the hotel wished to replace their old STP with a Moving Bed Biofilm Reactor to treat their sewage for irrigation reuse, which was achieved using our state of the art MBBR technology.

THE CHALLENGE

Replace and enhance the old plant while the facility is in operation

The Hilton RAK Hotel and Spa was near full-occupancy throughout the scheduled construction of the plant. As such, a temporary solution would be required to allow the facility to continue to operate without spending huge amounts on sewage disposal and on irrigation water. We provided a temporary solution using their existing infrastructure, and then built an entirely new plant on the same premises. The MBBR system required small enough tanks to make this possible.

OUR APPROACH

Full recovery for on-site reuse

We installed a 2-stage MBBR to handle 100% of the facility’s sewerage for on-site reuse. The system features a simple coarse screen, cutter pumps to feed the system, a parabolic wedge-wire influent screen, an energy efficient fine bubble membrane aeration system, a sludge digester to minimize sludge disposal, and simple filtration to make the water safe for irrigation reuse.

THE RESULT

Nutrient rich irrigation

More than the benefits of saving the cost of waste removal, the hotel has the added advantage of conserving water and the ecological advantage of using nutrient rich water to irrigate the manicured landscaping of this 5-star hotel.

Design Flow: 405 m3/day

Influent: 300 mg/l BOD5, 600 mg/l COD

Effluent: < 10 mg/l BOD5, 100 mg/l COD

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