-
Phosphogypsum (PG) is the
calcium sulfate hydrate formed as a by-product of the
production of fertilizer,
particularly phosphoric acid, from phosphate...
-
phosphate rock with acid,
producing calcium sulfate waste known as
phosphogypsum (PG). This form of
gypsum is
contaminated by
impurities found in the...
- useless,
radioactive solid called phosphogypsum.
Estimates range from 100,000,000 and 280,000,000 tons of
phosphogypsum waste produced annually worldwide...
- 200 ha are
indirectly occupied by the
Chemical Pole.
These are the
phosphogypsum ponds,
which are
located some 700
meters from the Pérez
Cubillas neighborhood...
-
large phosphogypsum stacks and
settling ponds,
often hundreds of
acres in size, and up to 200 feet (60.96 m) tall.
Because this
phosphogypsum is slightly...
- to acid mine drainage.
Between 100
million and 280
million tons of
phosphogypsum waste are
estimated to be
produced annually as a
consequence of the...
-
sulfuric acid and
calcium sulfate precipitates. The product,
called phosphogypsum is
often contaminated with
impurities making its use uneconomic. In...
- PR3
Phosphine oxide – OPR3
Phosphinite – P(OR)R2
Phosphite – P(OR)3
Phosphogypsum Phosphonate – OP(OR)2R
Phosphonite – P(OR)2R
Phosphorylation Polyphosphate...
- into
aluminium metal. When
sulfuric acid is used, the
product contains phosphogypsum (CaSO4·2H2O) and is
called single superphosphate.
Calcium dihydrogen...
- § 262.11); treatment,
storage or
disposal of
hazardous waste in the
phosphogypsum (gypsum)
stack without a
permit or
interim status (42 U.S.C. § 6925(a)...
