It is a well established fact that information relating to key control parameters is essential to optimize wastewater treatment plant performance.  In our experience it is all too common for problems to arise where information is either not generated or, more times than not, not reviewed or interpreted correctly. #ecos saves businesses a lot of...

Member states must begin to monitor levels of three pharmaceutical substances in water by September 2015, under a new directive published. They opposed a European Commission proposal to set concentration limits for these substances during discussions in the Council of Ministers. Anti-inflammatory drug diclofenac and two substances used in contraceptive pills, E2 and EE2, will be on...

ECOS have a new series of logos which will be rolled out over the next few weeks   Check out www.ecos.ie for our new website in the coming weeks     ECOS Environmental Consultants Limited

Our Clients are SME and multi-national businesses who strive to achieve their specific corporate and regulatory needs relating to Water, Waste and Wastewater. Client needs vary from business to business and could relate to legal requirements to comply with permits and licences associated with virtually all activities relating to Waste and Wastewater or cost and...

On 6th June 2013 the Environmental Protection Agency prosecuted Galway County Council for permitting discharges from the Waste Water Works at Kilronan, Inis Mór, Aran Islands without a certificate of authorisation from the Agency. This was the EPA’s first prosecution for a breach of the Waste Water Discharge (Authorisation) Regulations. ECOS Environmental Consultants Limited

Time and time again we come across businesses which have ended up with  unsustainable discharge licences primarily because they have not provided the licencing authority with the required information.  The applicant needs to be able to demonstrate to the licencing authority that a proposed or existing discharge can comply with the requirements of the Water...

Information relating to key control parameters is essential if one is to optimize wastewater treatment plant performance. Many business could save themselves a lot of time and money through recording and reviewing information on a regular basis. The establishment of target and optimum ranges for key control parameters can assist in forecasting when non-compliances could...

Quite often businesss could save themselves a lot of time and money through recording and reviewing key control parameters on a regular basis. The establishment of target and optimum ranges for key control parameters can assist in forecasting when non-compliances could arise and allow for suitable remedial measures to be implemented before a problem develops....

Sludge bulking may be noted through visual observation: Failure of sludge solids to settle in the final clarifier Carryover of solids resulting in high effluent suspended solids Presence of filamentous bacteria (microscopic examination) Increased SVI and disimproved settleability Clear supernatant liquor after prolonged settling Principal causes: Underloading  Dissolved oxygen too low Nutrient deficiency A correction...

Pin-floc in activated sludge may be defined as very fine floc particles with poor settling characteristics. Pin-floc/deflocculation may be assessed through visual observation: Carryover of very fine material in final effluent Turbid or milky appearance of final effluent Bacterial flocs have disintegrated into tiny ‘pinhead sized’ particles; Filaments not predominant (microscopic examination) Settleability test may...