Articles and Case Studies from SURCIS, S.L.

Advanced respirometry for activated sludge process

Introduction Respirometry is the measurement and interpretation of the biological oxygen consumption rate under well defined experimental conditions. Because oxygen consumption is directly associated with both biomass growth and substrate removal, ...

Jan. 18, 2021

Study about the treatability of an industrial stream by means advanced BM Respirometry - Case Study

When it is needed to know whether a particular type of industrial stream can be treated biologically, either because it is expected to be incorporated into the global influent of the treatment process or because has to be individually eliminated in ...

Aug. 5, 2020 Emilio Serrano

Practical BM Respirometry for biological wastewater treatment

Three different operation modes While most of the respirometers on the market offer only one operation mode, the BM respirometers have three different operation modes: OUR mode, Cyclic OUR mode, and R mode. Each mode develops different respirograms ...

Jul. 9, 2019

Wastewater COD fractionation in the biological wastewater treatment

Biodegradable (bCOD) Consists of the total fraction from COD that can be biodegradated by the heterotrophic microorganisms. Readily biodegradable (rbCOD, SS) Consists of small molecules that are directly available for biodegradation by ...

Jul. 9, 2019

Application of advanced Respirometry in the Nitrification assessment for different levels of Temperature, pH and Oxygen

Abstract Environmental factors control the rate of nitrification. For a determined substrate concentration, the most significant environmental factors are temperature, pH and oxygen availability. The well known critical influence of those factors ...

Aug. 9, 2017 Emilio Serrano

Application of advanced Respirometry in the Nitrification assessment for different levels of Temperature, pH and Oxygen

For a determined substrate concentration, the most significant environmental factors are temperature, pH and oxygen availability. The well known critical influence of those factors on the nitrification are here analyzed by making use of a specific ...

Aug. 7, 2017 Emilio Serrano

Analysis of the impact of the industrial fat, oil and grease (FOG) on a municipal wastewater treatment plant by means Respirometry and microscopic Bioindication

Abstract The main impact that the industrial fat, oil and grease (FOG) could make in a municipal wastewater treatment plant is mainly coming from its slowly biodegradable COD (sbCOD) The wastewater entering in a municipal WWTP tends to include a ...

May 3, 2016 Emilio Serrano;Elvira Reina Salgado

Using respirometry for energy optimization in a nitrifying biological wastewater treatment system

Many wastewater treatment plants use more than 50% of their total energy budget in the aeration basin and, when nutrient removal is included in the activated sludge process, it is very common that the majority of oxygen uptake goes to the ...

Apr. 6, 2016 Emilio Serrano

BM Respirometry

BM respirometery is a state of the art technology in where the traditional and most advanced respirometry techniques are gathered in one exclusive design developed by SURCIS Company. BM Respirometry makes use of a single reaction vessel that in ...

Apr. 6, 2016

BM Respirometry benefits for activated sludge process management, research and training

A biological process controlled by non-biological measurements? All treatment plant efficiencies are geared to the waste that they receive. The microorganisms found in the waste need food and oxygen to survive, the food is provided as soluble ...

Apr. 6, 2016

BM Respirometry a state of the art technology

BM respirometery is a technology where the traditional and most advanced respirometry techniques are gathered in one exclusive design developed by SURCIS Company. BM Respirometry makes use of a single reaction vessel, that in certain modes, can ...

Apr. 6, 2016

BM Respirometry applied to a novel control strategy of nitrification in a wastewater biological treatment

In wastewater treatment plants, the biological nitrogen removal (BNR) has acquired critical importance, which makes that in the majority of the cases the overall process control largely depends on the control of this treatment. The normal aerobic ...

Apr. 6, 2016

BM Respirometry a state of the art technology

BM respirometery is a technology where the traditional and most advanced respirometry techniques are gathered in one exclusive design developed by SURCIS Company. BM Respirometry makes use of a single reaction vessel, that in certain modes, can ...

Jan. 19, 2016

BM Respirometry applied to a novel control strategy of nitrification in a wastewater biological treatment

Abstract In wastewater treatment plants, the biological nitrogen removal (BNR) has acquired critical importance, which makes that in the majority of the cases the overall process control largely depends on the control of this treatment. The normal ...

Jan. 19, 2016 Emilio Serrano

Inhibition of unwanted nitrification

Respirometer The respirometer utilized in this study corresponds to the BM-Advance model, with the following main features: Compact analyzer, with very low maintenance and user friendly operation Direct oxygen measurements from a ...

Jan. 19, 2016 Emilio Serrano;Josep Xavier Sensada

BM Respirometry Study Toxicity & Biodegradability of a Refinery polymer stream, when treated in the activated sludge process of the plant - Case Study

This “batch system” respirometer consists of: a single thermostatically controlled vessel, divided into two interconnected compartments with closed recirculation loop between the two. A constant air flow is supplied via a ceramic ...

Nov. 28, 2014

Respirometry study about the olive oil effects in the activated sludge process case study

The problem of Oils in the Activated Sludge Process In many activated sludge plants excessive oils discharges can give rise to Nocardia foaming which causes major operational problems. While the bulk of the oils are removed in Dissolved Air ...

Nov. 19, 2014

BM-T respirometry study about the adaptation of a potential toxic industrial wastewater to an specific activated sludge case study

Enterprise: CELANESE CHEMICALS IBÉRICA, S.A. (Tarragona – Spain) Premier materials for painting industry Celanese enterprise, before the SURCIS study, in several laboratories had already tried several analysis of its industrial ...

Nov. 19, 2014

BM respirometry study about nitrification inhibition and actual aeration capacity in an activated sludge process case study

Study for municipal WWTP in Spain This study is ordered to SURCIS as a consequence of the low process performance, practical absence of nitrification treatment. By other side, the mixed-liquor presented some abnormal features such as weakness, ...

Nov. 19, 2014

Respirometry study of two different wastewater samples on COD fractioning & biodegradability for a specific activated sludge process and nitrification case study

Preliminary This service was made according to customer order points and indications from Hydrolab Microbiológica (Surcis collaborator) The client wanted Surcis to carry out a study about COD fractioning and nitrification. For this study ...

Nov. 19, 2014

SURCIS, S.L. Articles