Side Stream Filtration

1

What’s the Issue?


My LTHW system contains a high level of air & particles, should I introduce a side stream filtration system?

2

What is your obligation?


If your system is subject to elevated levels of particles & air then it is recommended by the Building Services Research and Information Association (BSRIA publication BG 29/2012: Pre-commission Cleaning of Pipework Systems) that a side stream filtration system is installed to prevent these issues & to help solve these problems. The installation of these units must meet the standards of the Water Regulations Advisory Scheme (WRAS).

3

Risks


If your system is subject to elevated levels of particles and air and left untreated, then this can cause possible contamination of your water system and result in poor temperature control within the building. Solids left within the system can severely impact the performance and efficiency of your closed water systems and promote bacterial growth which can be harmful to others.

4

How we can help?


Atom Water Treatment have undertaken the installation of Side Stream Filtration units on a various range of systems and sites in the past. We offer very competitive packages for the supply of the unit including all necessary parts and installation in line with current standard of the WRAS.

Contact us for a free no obligation quote including any further advice and guidance you may require.

Book a Consultation

or call the office

01708 460 100

Side stream filtration systems are designed to reduce suspended solids and debris in the system cooling water reducing fouling within the system. By decreasing suspended solids, this helps to reduce biological growth in the system.

A Side Stream filtration system is designed to treat 5 – 15% of the main water circuit flow, to remove both suspended solids and the chemically treated biomass.

Typically, closed loop water circuits employed as part of the environmental control systems, will be contaminated with suspended solids produced by the corrosion of pipework and other components of the system. This contamination can cause abrasive wear and tear, foul heat exchangers and affect the operation of valves, which can result in poor temperature control within the building. The problem is often increased due to contamination by water-born microorganisms such as Pseudomonas.

Circulating bacteria or biofilm coating pipework can be chemically treated with biocides, but although this process may hinder further proliferation of bacteria, the ‘dead’ material will add to the quantity of recirculating particulate matter.

 

It is with these challenges in mind that the Building Services Research and Information Association (BSRIA publication BG 29/2012: Pre-commission Cleaning of Pipework Systems) has recommended the use of Side Stream filters for both the initial clean-up and also for the on-going maintenance of pipework systems.

These are typically installed within the building plant rooms and for ease of operation, a variety of user friendly accessories are applied to the vessel to ensure installation, operation and filter change are made as simple as possible. There are many benefits to the installation of these types of units, including: –

  • Removal of suspended solids, reducing abrasive wear and tear.
  • Removal of chemically treated biomass to further reduce pipework degradation.
  • Reduced time, maintenance, repair and labour costs.
  • Separation of entrapped air from closed loop systems.
  • Protection of automated valving from fouling to ensure effective building temperature control is maintained.
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