phosphate, phosphoric acid, fertilizer, dihydrate, hemihydrate, hemi, phosphogypsum, fluosilicic acid.

Processes

Dihydrate: Process design for several expansions and many modifications. Experience as Asst. Phos Acid Plant Supt., Tech Services Supt., &R&D Engr.
Hemi: Designed 2 very successful conversions from Dihydrate to Hemihydrate Consulted for 4 new Hemi plants.Studied conversion of several plants to Hemi See the Hemi page in this website.
Hemi-Di: Studied conversion of 5 phos acid plants to Hemi-Di. Basic engineering to convert Oswal plant to Hemi-Di. Construction was started but not completed after another company bought facility.)
Evaluations to select process: Advise clients regarding Dihydrate vs. Hemi

Reactors: Projects with most brands, including Prayon Mark 2,3,&4, Yara, Jacobs-Dorr, Oxy Hemi, & Chemico. Converted two Prayon reactorsReactors: to Hemi
Filters: Tilting Pan: Delkor, Eimco (FL Smidth), Landskrona, Pannevis, Phillippe Tilting Pan: Bird-Prayon (Andritz) with 3 types of central valve, including modern EX-LV. Table:Ucego (RPA)
Evaporators: HiTech Solutions: We provided complete design of evaporators, including entrainment separators & FSA units. Swenson, Struthers, Krebs, etc.

John Wing presented several phos acid papers AIChE Clearwater Conf., including:

The Hemi Era in Phosphoric Acid, 2006

He presented Phos Acid Reactors: Art & Science at Regional Phosphate Conf, 2010. These papers are available upon request at JohnWingPE@verizon.net.