Walter Malacrida

10 Questions 9 Answers 0 Followers

Questions related from Walter Malacrida

Do you know recent epidemiological studies or complete review studies about pollution due to incineration?

Thermal treatments, like incineration, are consolidated methods to treat waste to recover thermal and electrical energy. Flue gas treatment technologies, if well operated, can permit to control...

09 February 2015 2,440 3 View

Is there an European or International database for wastewater engineering process cost analysis?

For a project evaluation, there is the part related to process costs related to technologies, machines, etc. I would like to know if there are open source documents about costs which we can use as...

06 February 2015 2,064 5 View

Do you know any research project or case study in which wastewater treatment and management and GIS software were put together?

Wastewater engineering can rely more and more on computer software. GIS software can be used for many goals. Have wastewater engineering and GIS been ever coupled?

04 February 2015 4,435 5 View

Have you any experience in application of metabolic uncouplers in WWTPs? Is there a case described in literature?

Metabolic uncouplers are chemical substances that can act on the bacterial metabolism in the activated sludge process with the aim of reducing sludge production. Some experiments are described in...

04 February 2015 5,777 3 View

Can you recommend articles or books about the state-of-the-art of sewage sludge reduction, modification, valorization?

Literature is full of articles dealing with reduction, modification, valorization of sewage sludge. Can you recommend any comprehensive article or book about this topic? For example, IWA has a...

04 February 2015 4,714 3 View

Do you know any full scale application of processes to stress the metabolism of bacteria in activated sludge tanks to minimize sludge production?

There are different processes used to stress bacterial metabolism in activated sludge tanks to favour catabolic reaction with respect to anabolic ones. A well known process is Cannibal by...

03 February 2015 586 4 View

Did anyone succeed in recycling and recovering materials from incinerated sewage sludge ashes (ISSA)?

In the attached link there is the article, by Donatello and Cheeseman (2013), where there is the list of different studied methods for recovering material and recycling ISSA (Incinerate Sewage...

03 February 2015 4,140 2 View

Do you know any example of application of electrokinetic dewatering in WWTPs?

Electrokinetic dewatering is a new way to dewater sludge in an effective way. On the other hand, the process consumes electric energy and the economic feasibility must be carefully evaluated. I...

03 February 2015 6,951 2 View

Does anyone know if Wet Oxidation can be applied to sewage sludge at full scale? Are there reliable examples around Europe?

Wet Oxidation is proposed by some companies as an innovative process to treat sewage sludge in an effective way. On the other side, the process is not yet widely applied and few full scale...

31 January 2015 6,438 2 View

Is there any plant in Europe which operates the pyrolysis of sewage sludge?

I am looking for examples in Europe of plants (pilot or real scale) which operate the pyrolysis of sewage sludge, as an innovative thermal process for the treatment of it.

28 January 2015 4,851 15 View