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
Continuous cooling crystallization purifies hydroquinone: isomer separation from catechol, oxidation color control, four critical process control points, and photographic-grade polishing routes.
How to select the MVR steam compressor: Roots, centrifugal, integrally geared and axial types compared on flow, temperature lift, BPR coverage, metallurgy, and maintenance.
Representative configuration of a 12 t/h three-effect forced-circulation train with OSLO cooling crystallization converting titanium dioxide by-product ferrous sulfate mother liquor into feed-grade ferrous
KCl purification by MVR forced-circulation evaporation and DTB crystallization: 34% hot dissolution, BaCl2/EDTA purification, 1.5-2.0% supersaturation control, 0.2-1.5 mm Class I premium potash product.
Hydroxyl radicals (•OH) mineralize refractory organics that biology cannot touch: four AOP routes (O3/H2O2, UV/H2O2, Fenton, electrochemical), the numbers behind the chemistry, real performance,
Representative configuration of a dual-train lactic acid solution evaporation block totaling 83 t/h (76 t/h MVR falling-film + 7 t/h TVR falling-film) at a
Two-stage fractional crystallization separates NaCl from KCl in mixed chloride brines: evaporation recovers 96-98% pure sodium chloride, flash cooling recovers potassium chloride, and an
Evaporator vacuum systems explained: liquid-ring pump working principle and sizing, condense-first layout, vacuum equipment compared, VOC condensing, stability control, cavitation protection, and multi-effect and
Representative configuration of a five-train MVR falling-film evaporation complex totaling 161 t/h (two 50 t/h, two 17 t/h and one 26.7 t/h trains) for
Evaporation and crystallization engineering for the three big fermentation products: lysine dual-route finishing, MSG vacuum pan crystallization, citric acid hydrate/anhydrous control, and MVR economics
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