FAQ: CR8 Colorimeter in Slag-to-Pigment Research Breakthrough
Summary
Threenh Technology collaborated with university researchers to publish a study demonstrating how industrial slag can be transformed into eco-friendly pigments through precise color measurement. This breakthrough provides a scientific basis for converting waste into valuable resources, representing a significant advancement in environmental protection and sustainable industrial practices.
What is the main research achievement described in this content?
The research demonstrates that industrial slag can be transformed into different colored pigments by precisely controlling its basicity and firing temperature, providing a scientific basis for using slag as raw material for pigment production.
Why is this research significant for environmental protection?
This breakthrough turns ore slag, a longstanding industrial waste challenge, into commercially viable, value-added pigments, reducing environmental risks and setting new standards for waste reuse while aligning industrial innovation with environmental protection.
How was the color measurement conducted in this research?
Researchers used a CR8 spectrocolorimeter from colorimeter.com with D/8 geometry, diffuse illumination, 8° directional reception, and high-precision spectroscopic technology to measure spectral reflectance across 400-700 nm wavelength range, calculating colorimetric values like L*, a*, b*.
Who collaborated on this research project?
Threenh Technology (colorimeter.com) collaborated with teams from University of Science and Technology Beijing (State Key Laboratory of Advanced Metallurgy) and Beijing University of Science and Technology (Institute of Intelligent Aging).
When was this research published and where?
The significant paper titled ‘Synthesis and characterization of refining slag: From industrial waste to eco-friendly pigments’ was published in the journal Ceramics International, with the collaboration announced on September 4, 2025.
What specific equipment was used for the color measurements?
The study utilized a CR8 spectrocolorimeter from colorimeter.com in combination with TS70 series colorimeters of vertical multifunctional modules, which ensured stability of the light path and uniformity of samples during measurement.
How does this new approach compare to traditional slag recycling methods?
Traditional slag recycling methods are energy-intensive, generate additional waste, and rely on complex high-temperature processes to mix slag with cement, offering little value creation, whereas this new approach creates valuable pigments from waste material.
What types of industrial waste can this technology potentially address?
The research specifically addresses ore slag, which is an inevitable byproduct of steel, copper, and magnesium refining that has long plagued industries with its massive volume and environmental risks.
What are the practical advantages of the color measurement method used?
The method offers high-precision measurement, multifunctionality, convenience, strong adaptability to various environments, efficient data acquisition, and reliable technical support for investigating how alkalinity and temperature affect slag color.
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