Water Treatment
D&S undertook a project to supply a Reverse Osmosis (RO) plant for use in supply treated water to the Sultan Palace Beach Retreat at an average rate of 20000 litres per hour. The recovery of the plant was designed at 70% recovery. (Permeate i.e. treated water to the feed water ratio).
To ensure that the water feeding the RO membranes is of the correct quality, water to the Dayliff RO equipment is supplied pre-treated using a Dayliff Filtration System that incorporates sand and activated carbon
The scope of D&S include the supply of the low pressures booster pump, dosing systems (pH, SMBS and Antiscalant dosing), Micron pre-filter (5 micron), Reverse Osmosis equipment, 5000 L Clean water buffer tank, Clean water transfer pump, the CIP chemical tank and CIP pump.
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D&S undertook a project to supply a Reverse Osmosis (RO) plant i.e. DRO8/4 for use in supply treated water to the UDV/EABL spirit plant at an average rate of 15000 litres per hour. The recovery of the plant was designed at 70% recovery. (Permeate i.e. treated water to the feed water ratio).
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Dembe Trading Enterprises located on Jinja road at the outskirts of Kampala, have four manufacturing factories (ice cream, potato wafers (Indian Kurkure), candles and Dairy products. Due to the stringent regulations requiring the treatment of effluent waste water before discharge, Davis & Shirtliff was approached to provide a solution for treating the waste water from their factories to permissible levels that comply with regulation.
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Davis & Shirtliff was engaged by Wrigleys Co. to design, assembly and install a Filtration, Ultra Violet Disinfection and Distribution Skid for the factory cold water supply. Based on the actual demand of treated water, we supplied and installed a plant of capacity 20m³/h but with a provision for expansion to 45m³/h to cater for the factory's future expansion
Some of the key project deliverables were:
- Control system for the package that included pumps, UV system and instruments.
- Interfaces for connection of Skid to BMS system for remote monitoring and control.
- Clean and quality design to meet Wrigley Electrical Power Distribution Design Standard, and Control Hardware Standard for Wrigley Equipment and Systems.
- Approval of designs, Factory Acceptance Testing and Site Acceptance by Wrigley Global Engineering.
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Davis & Shirtliff was approached by St. Francis Community Hospital, located in Kasarani Nairobi, to design and install a water treatment plant to treat their borehole water for potable use within their community.
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Maina Soko, a military hospital located in Lusaka Zambia, required a packaged water treatment solution to treat the water fed into the hospital from the municipal line as well as provide pre-treatment of their borehole water to suitable levels for feeding into a reverse osmosis plant
Davis & Shirtliff therefore engaged to design two water treatment plants each of similar capacity 40m3/hr which included:-
- Multicyclone centrifuge filters for the removal of larger suspended particles of 40 – 80 micron to increase the filtration cycle of the Ultrafiltration plant
- Ultrafiltration treatment system c/w robust DUPONT UF modules with a recovery of 97.7% For ease of transportation and handling the plant was designed using 12No. IP-51 modules achieving a flux of 70LMH and all the equipment fitted into a 20ft container
The Ultrafiltration system is based on size exclusion and is effective in the removal of all suspended material to the size of 0.02mic. The system comes complete with post – chlorine disinfection to provide for residual disinfection of the treated water and the hospital now has a consistent source of clean potable water that meets WHO and local drinking standards
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D&S Water treatment/Engineering completed the installation of a 25m3/hr Dayliff Ultrafiltration Plant at the British Army Barracks in Nanyuki. The plant drawing were first approved on paper before moving to site to start the assembly and installation of the plant.
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Dundori Road, Industrial Area
Nairobi
P.O Box P.O Box 41762 - 00100
Kenya
