Glossary
Analyte — chemical assay species tracked in the project (Fe, SiO2, Au…), with unit %, g/t or ppm.
Attached pump — pump drawn on the outlet of a tank or box, with its own tag, with no extra stream between tank and pump.
Balance closed — total inputs equal to total outputs, for solids and for water.
Balance closure — box with all process inputs and outputs, the totals and the difference.
Circulating load — mass that returns to a unit through a recycle, relative to the new feed.
Control sizes — up to two sieves of the series whose % passing appears in the stream table.
Corrected d50 — size at which a particle has the same chance of going to the hydrocyclone overflow or underflow, disregarding the bypass.
Cut calculated — screen cut size resulting from the specified aperture and efficiency.
Deck — each screen surface of a multi-deck screen.
Entrainment (moisture) — feed water that the WHIMS magnetics carry with them.
Feed — point where solids and water enter the process.
Generic model — calculation of the unit's family (pass-through, mass split, flow split), used until the unit gets its own model.
HR — head correction factor of the pump for slurry.
Key analyte — analyte used to calculate the mass recovery of a separator from the grades of the feed and of the two outlets.
m water / m slurry — meters of water column / of slurry column.
Mass recovery — mass of an outlet ÷ mass of the unit feed. In the magnetic separator, always that of the magnetics.
Mass split — division of solids among the outlets by % of feed mass.
Mesh (#) — number of openings per linear inch of a test sieve; the project uses ASTM or Tyler numbering.
Metallurgical recovery — share of an analyte in the feed that goes to a product.
My analytes — the analyte list of your account.
Nozzle — each inlet on top of a tank, box or junction.
OF / UF — overflow / underflow.
P80 / P50 — aperture through which 80 % / 50 % of the solids mass passes.
Pan — the fraction that passes the smallest sieve of the series.
Port — connection point of a unit: outlet (●) or inlet (○).
Product — point where solids and water leave the process.
Read-only — mode in which the project can be viewed and exported, but not changed.
Recycle — stream that returns to an earlier unit.
SG — solids density (t/m³).
Sharpness (α) — how steep the hydrocyclone partition curve is.
Sieve series — set of sieves used in every stream of the project.
Sieve size (aperture) — opening of a screen deck, in mm, inches or mesh.
Slurry — mixture of solids and water.
Specified value — value typed by the client; it shows in blue bold.
Stream — each line of the flowsheet, with its own number and balance results.
Stream junction — symbol (triangle) that adds streams ahead of a unit.
Tab — sheet of the drawing. A project can have several; there is a single balance.
Tab connector — "To: …" / "From: …" end of a stream that links two tabs.
Tag — code of the unit on the drawing (PV-01, BP-02).
Title block — drawing identification box in the corner of the sheet (client, project, title, no., revision, signatures, date).
Water addition — unit that adds water in the middle of a line, by fixed flow rate or to a % solids.
Water feed — point where only water enters the process.
Water intake — process water inlet of a unit (sprays, washes), separate from the feed.
WHIMS — wet high-intensity magnetic separator.
