Kretsloppsteknik – Page 25 – Blog from the Environmental Engineering Research Group at SLU

Guide to Sanitation Resource Recovery Products & Technologies published!

Published 4 January, 2021
By Prithvi Simha

We are very pleased to share with you the 1^st edition of the Guide to Sanitation Resource Recovery Products & Technologies. The Guide is a popular science publication that gives an overview of the possible resources that can be recovered and provides guidance on treatment processes to achieve safe products for reuse. The specific objectives of this document are:

To expose the user to a broad range of recovered sanitation products and innovative treatment technologies.
To help the user to design functional solutions for resource recovery by illustrating the linkages between sanitation inputs, treatment technology and the recoverable products.
To provide an overview of basic information regarding design aspects, operational requirements, and health, safety and social considerations related to resource recovery technologies and products.
Describe and fairly present technology-specific advantages and disadvantages.

The Guide to Sanitation Resource Recovery Products and Technologies is primarily a reference book. It is intended to be used by engineers, planners, end-users, researchers, technology developers, sanitation entrepreneurs, non-governmental organisation (NGO) staff and students who are interested in creating circular systems for resource use. It aims to support and enable decision making for increased resource recovery by providing information on key decision criteria for a range of recovered products and treatment technologies, thus highlighting the diversity of options available for resource recovery.

Links to download the guide:

https://pub.epsilon.slu.se/21284/

https://www.susana.org/en/knowledge-hub/resources-and-publications/library/details/4008

Chea Eliyans ettårsseminarium

Published 17 December, 2020
By Lovisa Lindberg

Den 9 december hade Chea Eliyan sitt ettårsseminrarium. Hon presenterade sin forskning om resursåtervinning från avföringsslam i Phnom Penh, med fokus på resultaten från de två första studierna om karakterisering och kvantifiering av avföringsslam. Hon drog preliminärt slutsatsen att avföringsslam i Phnom Penh håller på att öka. De två naturliga våtmarkerna runt staden spelar en nyckelroll som reservoar för uppsamling av avföringsslamsom innan det släpps ut i floderna. Näringsämnen och organiska ämnen i avföringsslam är korrelerade med inneslutningens innehåll till dräneringen men inte efter typen av innehåll. Hon inkluderade också de föreslagna metoderna för sina två nästa studier. Seminariet avslutades med många intressanta frågor om sanitetsutmaningar i Phnom Penh och forskningen.

Efter de strängare rekommendationerna om Covid-19 var det bara fyra personer i ett stort rum, och cirka 22 fler deltog online via Zoom.

Chea Eliyan’s one year follow-up seminar

Published 17 December, 2020
By Lovisa Lindberg

On the 9th of December, Chea Eliyan had her one-year follow-up seminar. She presented her research about resource recovery from faecal sludge in Phnom Penh, focusing on the results from the first two studies about faecal sludge characterization and quantification. She preliminary concluded that faecal sludge generation in Phnom Penh is at the increasing trend. The two natural wetlands around the city play a key role as a faecal sludge receiving reservoir before discharging to the rivers. Nutrients and organic matters level in faecal sludge is correlated with the connectedness of containment to the drainage but not by the type of containment. She also included the proposed approaches for her next two studies. The seminar ended with many interesting questions about sanitation challenges in Phnom Penh and the research.

Following the stricter recommendations about Covid-19, there were only four persons in a large room, and around 22 more participated online via Zoom.

Chris Buckley pratar i Radio SAfm om urintorkning

Published 7 December, 2020
By Lovisa Lindberg

Förra veckan, efter vår gemensamma artikel om urinåtervinning i The Conversation Africa, intervjuades professor Christopher Buckley från University of KwZulu-Natal av SAfm, Sydafrikas nationella offentliga radiostation. I sin intervju med Stephen Groote talade professor Buckley om vår grupps banbrytande urinbehandlingsteknik, alkalisk uttorkning och hur tekniken ger ett löfte för implementering i hela Afrika. Det kommande året, tillsammans med professor Buckleys forskargrupp och lokala intressenter, hoppas vi kunna implementera vår urintorkningsteknik i Durban, Sydafrika. Intervjun finns tillgänglig nedan –

Chris Buckley talks to Radio SAfm about urine drying

Published 7 December, 2020
By Prithvi Simha

Last week, following our joint article on urine recycling in The Conversation Africa, Prof. Christopher Buckley from the University of KwZulu-Natal was interviewed by SAfm, South Africa’s national public radio station. In his interview with Stephen Groote, Prof. Buckley talked about our group’s pioneering urine treatment technology, alkaline dehydration, and how the technology holds promise for implementation across Africa. In the coming year, along with Prof Buckley’s research group and local stakeholders, we are hoping to implement our urine drying technology in Durban, South Africa. Listen to the interview below –

Lovisa Lindbergs ettårsseminarium

Published 30 November, 2020
By Lovisa Lindberg

Den 25 november hade Lovisa Lindberg sitt ettårsseminarium. Hon pratade om fluglarvskompostering och fokuserade mest på sina resultat från första studien vilka var processeffektivitet, växthusgasutsläpp och förbehandling med ammoniak eller svamp vid användning av apelsinskal eller grönsaker som substrat. De nea resultaten från den andra studien blev också nämnda, som fokuserade på förbehandlingstid och förbehandling med ammoniak eller enzymer. Seminariet avslutades med många intressanta frågor från åhörarna.

Lovisa Lindberg’s one year follow-up seminar

Published 30 November, 2020
By Lovisa Lindberg

The 25th of November, Lovisa Lindberg had her one year follow-up seminar. She talked about fly larvae composting, focusing on results from the first study about process efficiency, greenhouse gas emissions and pre-treatments with ammonia and fungi using orange peels and vegetables as substrates. The newly gotten result from the started second study was also mentioned, focusing on pre-treatment time and pre-treatment with ammonia and enzymes. The seminar ended with several interesting questions about the research.

Lantbruksteknikkonferens i Vietnam

Published 30 November, 2020
By Lovisa Lindberg

Björn var inbjuden som svensk representant vid en lantbruksteknikkonferens i Vietnam den 28 november. Titeln på presentationen var tekniska lösningar i relation till ”utmaningar för lantbrukssektorn Post-Covid”. Fokus för hans presentation och inlägg i paneldiskussionen var att vi genom cirkulär ekonomi kan reducera utsläppen av miljöföroreningar och öka samhällets uthållighet eftersom vi kan ersätta upp till hälften av de importerade gödselmedlen med lokalproducerad gödsel från avfall och avlopp. Den nya eran med Covid ger helt nya möjligheter för globalt samarbete och kunskapsutbyte över internet.

Paneldiskussion om effekten av Covid 19 på livsmedelsproduktionen och lantbruket.

Vietnames Agritech conference

Published 30 November, 2020
By Lovisa Lindberg

Björn was invited as Sweden’s representative in the Vietnames Agritech conference during the 28th of November. The title of his talk was technical solutions in relation to “Challenges in Post-Covid Environment for Agriculture Sector”. His focus of the presentation and the panel discussion was that the circular economy can reduce the pollution of the environment as we remove the nutrients from the linear flow of today. At the same time do we increase the resilience in the agriculture as we can replace up to half of the imported mineral fertilisers with local waste and wastewater generated fertilisers. The new Covid era gives new opportunities for global collaboration and knowledge sharing over the internet.

The panel discussion about the effect of Covid 19 upon food production and agriculture.

Genom att omforma avloppssystem kan vi bygga en cirkulär pee-conomy

Published 27 November, 2020
By Lovisa Lindberg

Jenna Senecal blev intervjuad av Populärvetenskap (Popular Science), en allmänt spridd tidning i Nordamerika, om potentialen att på ett säkert sätt återvinna näringsämnen från människourin för att skydda miljön. Bläddra ner för att läsa artikeln.