MMF contains three layers of media consisting of an anthracite, silica sand and garnet, with a bottom supporting layer of gravel.
It is used to reduce the level of suspended solids and turbidity in raw water.
Incoming feed water that is high in suspended solids can cause a high pressure drop and reduce the effectiveness of downstream filtration equipment such as RO membranes and ion exchange beds.
ACF works via a process called chemical adsorption.
This unit generally used in water treatment for dechlorination and removing of organic compounds, taste and odour from industrial feed water.
However, ACF is not effective at removing of minerals, salts, and dissolved inorganic compounds which can eliminate by reverse osmosis membranes and ion exchange resin.
MF/UF is a low pressure driven membrane separation process that separates particulate matter from soluble components in feed water.
MF has a pore size around 0.1 µm whereas UF has pore sizes in the range of 0.01 – 0.10 µm and have a high removal capability for turbidity, colloidal substances and silt.
MF/UF unit is an alternative technology to be replaced conventional pretreatment system that require chemical precipitation, sedimentation, and filtration process.
A tube well is a type of water well in which a long wide stainless steel tube or pipe is bored into an underground layer of water.
Soon Ngai Engineering provides turnkey solutions from drilling, rehabilitations, pumping and post treatment in all tube well water programme.
The Iron Removal Filters are designed to remove the Excess Iron content present in the feed water with minimum pressure drop.
Most iron filtration systems operate on the principal of oxidizing the iron (oxidation) to convert it from a ferrous (dissolved or soluble) to a ferric or undissolved state.
Once the iron is converted to ferric state, it is precipitated on a filter bed.
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