Green Low-Temperature Purification
Hanertech develops and designs melt crystallization process technology, offering customized standalone equipment, integrated skid-mounted units, or on-site installation systems.
Melt crystallization is a method for separating and purifying substances based on their differing melting points, making it an energy-efficient, clean separation process for organic compounds. It demonstrates high efficiency in isolating special systems—such as hydrocarbons with closely matched boiling points, structural isomers, and heat-sensitive materials—while the production of ultra-pure substances stands out as a unique advantage of melt crystallization.
Our approach of static stepwise crystallization is a novel method for separation and purification. By using specially designed crystallization plates and a self-developed temperature-control unit that precisely regulates the medium temperature within the plates, we enable the target substance to gradually transition from a saturated state into an oversaturated one, prompting the desired compound to crystallize and precipitate out—eventually forming a continuous crystalline layer on the plate surface. Meanwhile, melt crystallization yields high-purity products through a three-step process: cooling-induced crystallization, warming-induced sweating, and subsequent heating to achieve complete melting.
In a pillow-plate heat exchanger, the hot medium flows through the gap between the pillow plates and corrugated plates, transferring heat to the cold medium on the opposite side. The space between the pillow plates and corrugated plates forms separate flow channels, allowing the hot and cold media to move independently—each following its own distinct path—thereby enabling the cooling, heating, or drying of bulk solids.
Waste Heat Recovery and Utilization