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Moisture measurement in bulk solids including RMC

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Time Domain Refractometry (TDR) is a method used to measure the dielectric constant (water content) of a material.

Time Domain Refractometry (TDR) is a method used to measure the dielectric constant (water content) of a material. Metal conductors or rods are used as wave guides for the transmission of the TDR-signal. The device generates a high-frequency-pulse (up to 1GHz) which propagates along the wave guides at the speed near to light, generating an electromagnetic field around the probe. At the end of the wave guides, the pulse is reflected to its source. The resulting transit time from picoseconds to nanoseconds and dielectric constant provide an accurate measurement of moisture content. The moisture content is calculated inside the device and is available at standard analogue outputs.

IMKO, a German company, which part of the Endress+Hauser Group has developed a patented measuring method called TRIME® TDR method. With this technology it is possible to measure the transit time with a resolution of 3 picoseconds. The TRIME® TDR method has been successfully used more than 30 years in the process industry.

The TRIME® TDR -technique has an ideal measuring frequency between 600MHz and 1.2GHz and the measuring field penetrates deep into the material. The electromagnetic pulses generated in the TRIME device are high enough and constant for good resolution and accuracy of measurement. In addition, disturbing influences such as electrical conductivity have nearly no effect. Precise moisture can be measured in temperatures up to 120°C. TRIME® TDR technology is used in Solitrend product which helps to increase product quality and reduce energy efforts due to precise moisture measurement.

The senor used in Solitrend is in direct contact with the material. Calibration is a simple linear equation. Measurement field adapts itself to the shape of material and is quite large. It is also undisturbed by dripping water, air and dirt. The probes are extremely rugged for exceptionally long operational life. It also replaces time consuming lab analysis and manual sampling with continuous online measurement.

Both In line as well as portable probes measurements are available.

Application

  • The building industry. Moisture measurement in Ready Mix Concrete.
  • In line moisture content measurement in bulk material or goods like wood chips, pellets, animal food etc.
  • The glass and ceramics industry like silica sand, moulding sand, ceramics mass.
  • Food Industry. Malting plants, Corn, Sludge drying, Fluid bed dryers (inlet/outlet).

Limitations of other methods

Capacitance method – This method works with single measuring frequencies between 5-80MHz. The dielectric constant is influenced both by moisture and salinity. It is very difficult to distinguish between the two influences and precise moisture measurements are difficult to achieve.

Microwave method – The frequencies of microwave techniques are generally higher than 2GHz. This technique leads to loss in resolution and accuracy of measurement having negative influence on the readings.

Conductance or Resistance method – This method have very low measuring frequencies of about 4kHz. There is a strong influence of different salinity of the bulk material on the measurement. The difference in salinity is caused by different mineral contents temperature. Another problem of resistance method is the low penetration depth of the measuring field.

Near-Infrared method (NIR)-This method shows a very lower penetration depth and, therefore, considerable influences of material surface and thickness.

Scan the QR code for more information or write to us on info.in.sc@endress.com.

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Concrete

Molecor Renews OCS Europe Certification Across Spanish Plants

Certification reinforces commitment to preventing microplastic pollution

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Molecor has renewed its OCS Europe certification for another year across all its production facilities in Spain under the Operation Clean Sweep (OCS) voluntary initiative, reaffirming its commitment to sustainability and environmental protection. The renewal underlines the company’s continued focus on preventing the unintentional release of plastic particles during manufacturing, with particular attention to safeguarding marine ecosystems from microplastic pollution.

All Molecor plants in Spain have been compliant with OCS Europe standards for several years, implementing best practices designed to avoid pellet loss and the release of plastic particles during the production of PVC pipes and fittings. The OCS-based management system enables the company to maintain strict operational controls while aligning with evolving regulatory expectations on microplastic prevention.

The renewed certification also positions Molecor ahead of newly published European regulations. The company’s practices are aligned with Regulation (EU) 2025/2365, recently adopted by the European Parliament, which sets out requirements to prevent pellet loss and reduce microplastic pollution across industrial operations.

Extending its sustainability commitment beyond its own operations, Molecor is actively engaging its wider value chain by informing suppliers and customers of its participation in the OCS programme and encouraging responsible microplastic management practices. Through these efforts, the company contributes directly to the United Nations Sustainable Development Goals, particularly SDG 14 ‘Life below water’, reinforcing its role as a responsible industrial manufacturer committed to environmental stewardship and long-term sustainability.

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Concrete

Coforge Launches AI-Led Data Cosmos Analytics Platform

New cloud-native platform targets enterprise data modernisation and GenAI adoption

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Coforge Limited has recently announced the launch of Coforge Data Cosmos, an AI-enabled, cloud-native data engineering and advanced analytics platform aimed at helping enterprises convert fragmented data environments into intelligent, high-performance data ecosystems. The platform strengthens Coforge’s technology stack by introducing a foundational innovation layer that supports cloud-native, domain-specific solutions built on reusable blueprints, proprietary IP, accelerators, agentic components and industry-aligned capabilities.

Data Cosmos is designed to address persistent enterprise challenges such as data fragmentation, legacy modernisation, high operational costs, limited self-service analytics, lack of unified governance and the complexity of GenAI adoption. The platform is structured around five technology portfolios—Supernova, Nebula, Hypernova, Pulsar and Quasar—covering the full data transformation lifecycle, from legacy-to-cloud migration and governance to cloud-native data platforms, autonomous DataOps and scaled GenAI orchestration.

To accelerate speed-to-value, Coforge has introduced the Data Cosmos Toolkit, comprising over 55 IPs and accelerators and 38 AI agents powered by the Data Cosmos Engine. The platform also enables Galaxy solutions, which combine industry-specific data models with the core technology stack to deliver tailored solutions across sectors including BFS, insurance, travel, transportation and hospitality, healthcare, public sector and retail.

“With Data Cosmos, we are setting a new benchmark for how enterprises convert data complexity into competitive advantage,” said Deepak Manjarekar, Global Head – Data HBU, Coforge. “Our objective is to provide clients with a fast, adaptive and AI-ready data foundation from day one.”

Supported by a strong ecosystem of cloud and technology partners, Data Cosmos operates across multi-cloud and hybrid environments and is already being deployed in large-scale transformation programmes for global clients.

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Concrete

India, Sweden Launch Seven Low-Carbon Steel, Cement Projects

Joint studies to cut industrial emissions under LeadIT

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India and Sweden have announced seven joint projects aimed at reducing carbon emissions in the steel and cement sectors, with funding support from India’s Department of Science and Technology and the Swedish Energy Agency.

The initiatives, launched under the LeadIT Industry Transition Partnership, bring together major Indian companies including Tata Steel, JK Cement, Ambuja Cements, Jindal Steel and Power, and Prism Johnson, alongside Swedish technology firms such as Cemvision, Kanthal and Swerim. Leading Indian academic institutions, including IIT Bombay, IIT-ISM Dhanbad, IIT Bhubaneswar and IIT Hyderabad, are also participating.

The projects will undertake pre-pilot feasibility studies on a range of low-carbon technologies. These include the use of hydrogen in steel rotary kilns, recycling steel slag for green cement production, and applying artificial intelligence to optimise concrete mix designs. Other studies will explore converting blast furnace carbon dioxide into carbon monoxide for reuse and assessing electric heating solutions for steelmaking.

India’s steel sector currently accounts for about 10–12 per cent of the country’s carbon emissions, while cement contributes nearly 6 per cent. Globally, heavy industry is responsible for roughly one-quarter of greenhouse gas emissions and consumes around one-third of total energy.

The collaboration aims to develop scalable, low-carbon industrial technologies that can support India’s net-zero emissions target by 2070. As part of the programme, Tata Steel and Cemvision will examine methods to convert steel slag into construction materials, creating a circular value chain for industrial byproducts.

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