SD-0100 Antiscalant and Dispersant for
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SD-0100 Antiscalant and Dispersant for
SD-0100 is a high-effective scale inhibitor, it is suitable for reverse osmose (RO), nanofiltration (NF) and ultrafiltration (UF) system. It can inhibit the scale deposit on membrane surface, improve water quality, lower operation expanse. This product has the following properties:
(1). Inhibit inorganic scale formation for a wide concentration span, the largest permitted LSI value is 2.8 when no acid is added.
(2). Not flocculate with ferric oxide, aluminia oxide or silica oxide to form suspended substance;
(3). Inhibit the pollution from ferric, aluminium or heavy metals pollutants. The permitted ferric concentration for inlet water supply can reach to 8.0ppm.
(4). Inhibit the flocculate and deposit of silica, the permitted silica concentration for condense side can reach to 290ppm.
(5). Be used in CA, TFC, NF and UF membranes for RO system.
(6). Good solubility and stability.
(7). Effective in pH 5-10.





Clear liquid

Clear transparent liquid

pH Value, (1% water solution)



Density (20≧)g/cm3



Main content

Micromolecular containing P

Micromolecular containing P

Decomposition product under high temperature



Package and Storage:
The original package is 8 times condense liquid, 5 gallon (27.55kg) per barrel. After diluting 8 times, 220.4kg per barrel.

Usage Method:
The dosage is determined by water quality analysis and condition of reverse osmose system. In the recommended range of dosage, most scales can be under control such as calcium carbonate, calcium sulfate, barium sulfate, ferric hydroxide, aluminium hydroxide and silica.

The following formula can be used to calculate the SD-0100 volumes required to add to medicine box: 

U!! condense liquid volumes required, Litre, (L)
Q!! reverse osmose water supply flow, tons/hour (T/h)
a!! dosage required, gram/ton, (ppm, g/T) (standard liquid)
V!! effective volume of medicine box, litre (L)
ρ!! density of the SD-0100, kg/L, the density is 1.45
x!! the actual flow of medicine operation pump, litre/hour (L/h)
1000 !! conversion coefficient
8 !! condense index

the value a (dosage required) can refer to the special software of QingLi Company.

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