Case Study Collection on Fluoride Insolubilization Treatment of Gypsum by Pure Tech Co., Ltd.
Fluorine in dihydrate gypsum and hemihydrate gypsum can be rendered insoluble simply by stirring with a fluorine insolubilizing agent!
This catalog is a collection of case studies featuring our company's "Fluorine Immobilization Treatment of Gypsum," which has been researched for a long time by the Gypsum Board Recycling Research Association, focusing on the solidification of dihydrate gypsum and hemihydrate gypsum, as well as the immobilization of fluorine. We have conducted various leaching tests of fluorine using different immobilizing agents, but none have met environmental standards, particularly as dihydrate gypsum tends to be more difficult to immobilize than hemihydrate gypsum. However, by adding a small amount of the powdered fluorine immobilizing agent Super Magnecloze to dihydrate gypsum and stirring for just five minutes, we were able to achieve results that completely fell below the environmental standards in the fluorine leaching test. The process, along with examples of "Fluorine Removal" and the "FSC Method," is also included. [Overview of Publication] ■ Case Studies on Fluorine Immobilization Treatment of Gypsum *For more details, please contact us or download the catalog.
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【Contents】 ■About the fluorine insolubilization of gypsum ■Examples of fluorine removal ■FSC method ■pH measurement of improved soil ■Results *For more details, please contact us or download the catalog.
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Our company is small, but we have applied for patents for electric dust collectors and sludge solidification treatment devices. Currently, we are providing environmental purification technology consulting based on cutting-edge environmental purification technologies, and we are involved in the development and planning of environmental purification devices. We have also developed and are selling environmental purification products, including the dioxin removal coagulant Ultra Separate SDS, the heavy metal removal coagulant Ultra Separate S300, and the turbidity coagulant Ultra Separate MC, which is effective for a wide range of applications from organic wastewater treatment to the purification of lake water quality. Additionally, we are currently selling a dihydrate gypsum semi-hydration device that can convert waste gypsum boards after crushing and separation into recyclable raw materials. We are also developing solidifying agents for soil conditioners, high-moisture sludge, and heavy metal-containing sludge using the semi-hydrated gypsum produced from the dihydrate gypsum semi-hydration device, and we plan to sell these as well. We intend to continue developing products and items based on environmental purification technology in the future.