Selection logic, retrofit economics and mother-liquor yield — articles from three lines: technology deep-dives on evaporator and crystallizer selection, application solutions for specific wastewaters and process duties, and anonymized project case studies. New articles are published continuously.
Technology ArticlesApplication SolutionsProject Case Studies
Representative configuration of a 33 t/h train in Central China treating ammonium chloride wastewater from cobalt tetroxide precursor production with MVR evaporation and forced-circulation
Sodium acetate crystallizes by cooling, not evaporation: supersaturation controlled through temperature, concentration, cooling rate and agitation, with continuous operation delivering pharma and food-grade consistency.
How much COD does evaporation actually remove? High-boiling organics stay in the concentrate while low-boiling organics distill over with the water vapor. A five-point
Representative configuration of a 19.3 t/h train in North China (Inner Mongolia) treating rare earth extraction ammonium chloride wastewater with MVR, three-effect falling-film and
Evaporation and crystallization plants that turn copper sulfate liquors, etch solutions and smelter waste streams into pentahydrate crystal product, reusable water and recovered copper
Representative configuration of a 16 t/h MVR forced-circulation train with plate heat exchangers recovering sodium sulfate from LFP battery cathode wastewater in Southern China,
MVR forced-circulation evaporation plus cooling crystallization recovers ammonium chloride from soda-ash coupling and rare-earth wastewater; steam rotary drying cuts cost by $15.57/t with 14.4
How to select an evaporator for high-salinity wastewater above 10,000 mg/L TDS: MEE vs MVR vs heat pump vs TVR, MVR feed red lines,
Representative configuration of a 1,200 t/d silica-production wastewater zero-liquid-discharge plant in East China: 50 t/h double-effect evaporation with salt separation in 2205 duplex stainless
Recover sellable sodium sulfate from chemical, pharma and fermentation wastewater: MVR forced-circulation crystallization at 28500 kg/h, or vacuum/freezing routes for hydrate control and waste
Send your feed characterization (TDS, COD, main salts, viscosity), throughput and product targets — we respond with a preliminary process route within two business days.
