Sanning och konsekvens för svenska vattenledningar
This work kick-starts AI (artificial intelligence) for pipe management among Swedish water utilities. The current work with pipe management is mainly reactive; leaks are repaired after they are detected, sometimes with large costs if the leakage is extensive and critical. With this article, we want to focus on proactive pipe network management and discuss risk […]
UV-LED technology: the future of safe and sustainable water disinfection
UV-LED technology is a modern method to safeguard drinking water by disinfecting water with UV-pho-tons generated in a light emitting diode (LED). The technology has received increasingly higher attention due to its capacity to generate UV-light without use of mercury with a number of additional benefits compared to traditional UV-lamps. UV-LED’s are fast, operated digitally, […]
Prolonged impact of closed municipal solid waste landfills on groundwater
The article analyzes the observations of the impact of preserved landfills on the hydrosphere (ground-, surface water, and filtrate) of adjacent territories in the countries of Northern Europe and the Russian Federation. The behaviour of more than 80 components over a long time was analyzed. Graphs of changes in the most representative of them are […]
Evaluating GIS based water budget components applicability and availability for the Lagan River catchment
Using open-access data sets on water and soil from Swedish authorities and compiling them in a QGIS-programme made it possible to present and visualise the water budget of the Lagan River Catchment. Based on the estimations of the water volume in groundwater reservoirs and lakes the total maximum available volume in the Lagan River Catchment […]
Exploring flow cytometry for monitoring of microbial water quality during maintenance of drinking water pipes
Faster methods of analysing microbiological quality of drinking water after pipe breaks or new pipe installations could have beneficial implications. In this article, a summary is presented of the findings in a recent master thesis about how flow cytometry and cultivation-based techniques can be used to monitor water quality in connection to maintenance works, and […]
Debatt: Några illustrerande fall i samband med provtagning, analys och utvärdering
Tidigt i min yrkesverksamma karriär hade jag förmånen att bli kollega med en ”läcksökare Stenberg, numer inte längre med oss. Ja, Runo var snarast under flera år mästare i lokalisering or, och spred sitt kunnande mycket generöst. Han brukade ofta återknyta till citatet ovan kompletterande perspektiv i samband med vattenarbete har lärt mig att en […]
Framförhållning behövs för strategisk utveckling av huvudmännens anläggningstillgångar – utkast till ett manifest
A draft manifesto for strategic development and maintenance of pipes in water and wastewater systems is presented. Using five examples from research and development projects and programs for modern asset management in the Swedish water sector, eleven central items are formulated focusing on the need for development of management, staff, planning, innovation and digitalization. Substantial […]
Denitrifierande bioreaktorer: rening av kväve i lakvatten
Ammonium nitrate-based explosives are the most commonly used explosives in various industries today, including mining, rock quarrying, and tunnel excavation for roads. Studies from the mining industry have, however, shown that up to 28% of the explosives remain undetonated. These undetonated explosives dissolve in water and eventually discharge to nearby surface water and groundwater recipients, […]