Water / Wastewater 67 Digitisation of temperature measurement holds the key to optimising composting plants


The waste and recycling industry is facing a fundamental transformation. Large companies are more likely to be prepared for the digital transformation. However, 95% of the world’s composting plants have fewer than 10 employees and correspondingly few resources. This is exactly where sense4elements GmbH compocheck24 comes in and wants to lay the foundation for the digitisation of composting plants.


No one would have to reinvent the necessary technologies. What stands in the way of the completely digitised and networked temperature monitoring process on composting plants? It’s not just about digital tools, but about rethinking at all levels in the direction of “structures, working methods and attitudes”.


The general waste industry has some catching up to do, because as long as plans on paper and all sorts of paperwork are used, the susceptibility to errors is high and the effi ciency rather low. Between the offi ce and the compost rental, the information circulates sometimes more, sometimes less fl uently. Time delays, misunderstandings and discrepancies are the result. Productivity suffers as a result. Over the past 10 years, progress in waste management has increased by 3 percent. By comparison, the manufacturing sector by 38 percent and the manufacturing industry by 32 percent.


Composting plant operators need a tool that facilitates and signifi cantly reduces the ongoing effort of material monitoring. Especially at the beginning of composting, high temperatures are desired and necessary for the decomposition process. Temperatures between 60°C and 70°C are considered ideal, as they cause harmful organisms to die, among other things. However, higher temperatures than 70°C are not desired, as this also kills those organisms that are needed for fertilization.


In the processing and production of biological fertilizer, the temperature factor plays a very important role in terms of hygienic treatment of waste materials and high-qualityand sustainable quality.


Organic residues of animal or plant nature from municipalities, waste disposal and agricultural enterprises, road maintenance companies, etc. usually contain the following ingredients: green waste, vegetable waste, feed residues, cow and pig manure, shrub and grass clippings, garden and kitchen waste and the contents of the organic bin.


All this waste is sorted in composting plants and mixed in a targeted manner so that natural rotting by microorganisms can take place. Through the process of composting, especially during hygenization, pathogenic microorganisms and molds are killed, as well as weed seeds lose their germination capacity.


Optimal composting goes through 3 essential phases: phase 1 is fermentation, where the temperature rises to approximately 40°C – which results in what is known as ‘pre-rotting‘, this is followed by phase 2, which is hygenisation, where the temperature rises to 65°C – this is known as ‘hot rotting‘ and fi nally phase 3 where thematerial is cut, can rest and high-quality biological fertilizer is produced.


Special attention is paid to hot rotting, as it is used for hygiene and must be monitored continuously. In order to ensure the necessary oxygen exchange or oxygen enrichment, the compost material is regularly turned or converted during controlled rotting. On average every 3 days.


For proof of hygiene, the temperature of the rot must be documented at least once a day, in accordance with the Biowaste Ordinance (BioAbfVO). In hot rotting, hygenisation requires a temperature of over 55°C preferably for 2 weeks or 65°C over 1 week.


Furthermore, the rental temperature should not exceed 65° C over a longer period of time in order to avoid unwanted charring, especially since spontaneous combustion can occur at temperatures above 75°C. In contrast, a temperature below 15°C slows down the activity of microorganisms, so rotting takes longer.


Temperature is therefore the most meaningful measurement parameter for any composter. New material mixtures, material development after irrigation, current rotting condition, etc. can be evaluated very well by having a clear picture of temperature development. In addition, the legislator provides for a recording of the temperature as proof of hygienisation.


The automated measuring system from compocheck24 works in all conceivable weather conditions and outside temperatures and continuously monitors the core temperatures of various waste and compostmaterials. The temperature measured values are automatically transmitted directly to the compoAPP per probe via mobile network, without an external power supply or any components in between.


Problems in composting, e.B. due to unintentional rise or fall in temperature, are immediately detected by means of the measuring system and immediately signalled by means of the compoAPP. This in turn makes it possible to intervene quickly and purposefully. This saves time and, above all, minimizes unnecessary stress factors. For More Info, email:


58239pr@reply-direct.com Water level monitoring data with global cellular connectivity email:


Solinst Canada Ltd. have announced a partnership with CityKinect that enables global cellular connectivity to their Model 9500 4G LevelSender 5 Telemetry Systems. The LevelSender 5 offers a very simple and inexpensive means to collect water level data from remote Solinst dataloggers.


Solinst now offers the option of a CityKinect SIM card that is activated and preinstalled before shipping. This allows a low-cost, competitive data-only plan, managed, and billed directly through Solinst. The LevelSender 5 is set up in advance, simplifying the programming and installation process, providing a plug and play solution for remote water level monitoring.


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The SIM Card gives you access to wider network coverage, as it scans multiple service providers automatically selecting the strongest signal for your location. This allows you to avoid costs and frustrations with traditional single carrier providers, and not worry which network has better coverage where you deploy your LevelSender 5.


“Reducing the challenges of getting good sensor data has always been a priority at Solinst,” said Jim Pianosi, President of Solinst. “Now with an integrated offering including global cellular connectivity, it’s easier than ever before for customers to deploy and not worry about coverage at site. It just works.”


The collaboration brings together high-quality water level dataloggers with reliable and secure cellular technology to ensure customers have a world-class telemetry solution. Solinst is a high-quality groundwater and surface water monitoring instrumentation manufacturer and CityKinect is a cellular connectivity provider focused on helping manufacturers integrate cellular into their offerings.


Shaun Connor, CEO of CityKinect, said “Solinst has been fantastic to work with, and really understands their customers’ needs. By taking this step together we are enthusiastic about growing both companies in the Environmental Monitoring space”.


-net.com


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MACHEREY-NAGEL GmbH & Co. KG Neumann-Neander-Str. 6–8 52355 Düren · Deutschland


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For More Info, email:


DE Tel.: +49 24 21 969-0 info@mn-net.com CH Tel.: +41 62 388 55 00 sales-ch@mn-net.com FR Tel.: +33 388 68 22 68 sales-fr@mn-net.com US Tel.: +1 484 821 0984 sales-us@mn-net.com


MACHEREY-NAGEL GmbH & Co. KG Neumann-Neander-Str. 6–8 52355 Düren · Deutschland


DE Tel.: +49 24 21 969-0 info@mn-net.com CH Tel.: +41 62 388 55 00 sales-ch@mn-net.com FR Tel.: +33 388 68 22 68 sales-fr@mn-net.com US Tel.: +1 484 821 0984 sales-us@mn-net.com


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