Danafloat

Danafloat™ 262T mineral collector

Danafloat 262T is a thionocarbamate and mercaptan thiol collector blend that is fully homogeneous and stable.

Danafloat 262T offers good selectivity against pyrite in sulfide flotation and can provide good to excellent flotation response to various copper minerals, including but not exclusively, chalcopyrite, bornite, chalcocite and covellite. Other applications include copper activated sphalerite, tetrahedrite and, depending on ore mineralogy, gold ore flotation. The mercaptan component makes this product a good metallic element collector and often enhances the flotation of tarnished and slightly oxidized minerals.

While the product is often used as a single collector, a xanthate reagent can be used as a partial Danafloat 262T replacement and, depending on mineralogies and flotatation circuit conditions, the dosage level typically is lower than xanthate on a comparative basis.

Danafloat 262T has a greater frothing property compared to xanthate.

Because Danafloat 262T is relatively insoluble, water dilutions are not stable. Consequently, the product should be fed to the circuit undiluted. Danafloat 262T has sufficient solubility particularly under normal sulfide slurry conditions that the adsorption kinetics are relatively fast.

Danafloat 262T is normally used in neutral to alkaline conditions (> 6 pH). Typical dosage levels depend on ore feed grades, mineralogies and flotation responses, but typical dosage levels range between 10 to 50 grams per metric ton ore (0.020 to 0.11 lb/T).

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Composition

Chemical name: Thionocarbamate, 1-dodecanethiol, isopropanol
CAS name: O-Isopropylethylthiocarbamate, Dodecane-1-thiol, isopropanol
Active ingredient: 83-87%, 3-5%, 5-7%, respectively

Physical properties

Appearance: Light pink
Form: Liquid
Boiling point: 124-125 degrees C
Melting/freezing point: Minus 6 to minus 8 degrees C
Specific gravity: 0.968 g/ml at 20 degrees C
Flash point: 41 degrees C

Safety and handling

Danafloat collectors are manufactured under the highest quality standards; nonetheless, these chemicals can be hazardous and harmful. Always read and understand the MSDS before handling the product.

Safe handling includes use of safety glasses, splash shield over face, natural rubber gloves and protective clothing. Additionally, avoid inhalation of vapours.

Storage

When properly stored, Danafloat 262T has a shelf life of at least 2 years provided the product is stored under the following guidelines:

+ Store the product in a dry and well-ventilated location away from heat and sunlight
+ Use a first in-first out inventory control
+ Avoid freezing
+ Store in plastic drums, polypropylene IBCs/totes, or coated steel drums.

Environmental impact

Danafloat 262T is biodegradable. Do not allow product to report to a natural stream as this product can cause ecotoxicity issues.

Most of the collector is adsorbed to the concentrate mineral particles and removed from the system. Any residual in the water phase and adsorbed to minerals that are not floated report to the tailings. Release of the product directly to natural water streams should be avoided.

Packing

Danafloat mineral collectors are supplied in a range of containers including plastic drums, coated steel drums, polypropylene IBCs/totes and tank containers having the following net product weights:

IBC containers Net weight: 1,000-1,075 kg
Gross weight: approx. 1,059-1,134 kg
Tank containers approx. 20 mt (44,092 lbs.)