Vigorously develop the circular economy and pursue a path of intensive development.
Vigorously develop the circular economy and pursue a path of intensive development.
Waste Gas Transforms into “Raw Material”! The Low-Carbon Production Revolution of Calcium Formate
2025-09-23
In the wave of green transformation sweeping the chemical industry, calcium formate is redefining its value through a disruptive production approach—no longer merely a byproduct of conventional chemical processes, but rather a “green crystal” born from the resourceful utilization of industrial tail gases. This production revolution, driven by technological breakthroughs, is setting a brand-new paradigm for the industry’s low-carbon development.
In the wave of green transformation sweeping the chemical industry, calcium formate is redefining its value through a disruptive production approach—no longer merely a byproduct of conventional chemical processes, but rather a “green crystallization” born from the resourceful utilization of industrial tail gases. This production revolution, driven by technological breakthroughs, is offering a brand-new paradigm for the industry’s low-carbon development.
For a long time, the tail gas produced during yellow phosphorus processing has been both a key focus and a major challenge in environmental protection efforts. This type of tail gas is rich in carbon monoxide; if discharged directly, it not only pollutes the atmosphere but also results in the wasteful use of valuable resources. However, a core technology that has been awarded a national invention patent has transformed this situation, turning yellow phosphorus tail gas from an “environmental burden” into a key raw material for the production of calcium formate—a fundamental shift from “waste” to “treasure.”
This innovative production process has established a complete, closed-loop resource circulation system: First, through a sophisticated purification and refining process, impurities such as phosphine and hydrogen sulfide are removed from the yellow phosphorus tail gas, yielding high-purity carbon monoxide. This carbon monoxide is then combined with calcium hydroxide in precise proportions and fed into a reaction vessel, where a synthesis reaction takes place under specific temperature and pressure conditions. Finally, after undergoing multiple processing steps—including drying, screening, and quality inspection—the product emerges as calcium formate that meets stringent purity standards and exhibits consistent quality. Throughout the entire process, the utilization rate of industrial tail gases reaches over 95%, significantly reducing raw material procurement costs and substantially cutting carbon emissions at the source, thereby achieving simultaneous improvements in both environmental and economic benefits.
Compared to the traditional calcium formate production process, this “calcium production from tail gas” approach demonstrates significant advantages: raw material costs are reduced by more than 30%, carbon emission intensity is slashed by 60%, and the product—thanks to its low impurity content and high stability—is more competitive across various application fields. The widespread adoption of this technology not only injects green momentum into the calcium formate industry but also provides a replicable model for tail gas treatment and resource recovery across the entire chemical industry, thereby helping to firmly establish and promote the concept of low-carbon production.
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