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
Zinc sulfate crystallization plants built around DTB crystallizers that switch between monohydrate evaporation mode and heptahydrate cooling mode, with triple-effect or MVR energy supply
Complete evaporator operation and maintenance guide: pre-start checks, four running parameters, salt crystallization temperature discipline, sequenced shutdown, three-tier downtime maintenance, winter protection, and a
Representative configuration of a 30,000 tonne-per-year lithium carbonate plant in Central China (Jiangxi) built around MVR evaporation: lithium precipitation mother liquor concentration and sodium
Plant protein and biological feed processing solutions: MVR falling film concentration of fermentation broths and protein liquors at 60-80C, viscosity and foaming control, and
Evaporator fouling and scaling mechanisms, seven warning signs, hardness control at ~100 ppm, antiscalants raising solubility 3-4x, seed slurry control, and mechanical, chemical and
Representative configuration of a 40 t/h (2 x 20 t/h) TVC-driven four-effect evaporation and crystallization train in Southwest China separating ammonium sulfate from magnesium
For rare earth operations working ores that carry uranium and thorium, water closure is a radiological design problem before it is a salinity problem:
Scraped surface = wiped film = agitated thin film evaporator: one machine for 100,000 cP feeds with seconds of residence time. Blade gap 0.5-1.5
Representative configuration of a 10 t/h TVR-driven four-effect falling-film train with forced-circulation crystallization producing ammonium sulfate at a battery-materials site in East China (Anhui).
For rare earth smelting and separation wastewater – the streams that carry salt above 10%, pH below 1, COD in the tens of thousands
Send your feed characterization (TDS, COD, main salts, viscosity), throughput and product targets — we respond with a preliminary process route within two business days.
