Flotacion de minerales

Flotation Guidebook
Orica Mining Chemicals

Table of Contents
1. Safe Handling of Orica Flotation Reagents 1.1 Collectors 1.2 Frothers 1.3 Suggested PPE 1.4 Safe Practice First Choice Guide – Specialty Collectors and Frothers Specialty Collectors 3.1 Dithiophosphates 3.2 Thionocarbamates 3.3 Formulated Collectors 3.4 Xanthate Replacement Quick Reference Table 3.5 Plant Operation TipsCommodity Collectors and Modifiers 4.1 Xanthates 4.2 Decomposition of Xanthate Solutions 4.3 Modifiers Frothers 5.1 Weak Frothers 5.2 Medium Strength Frothers 5.3 Strong Frothers 5.4 Plant Operation Tips Application of Orica Reagents to Specific Ore Types Planning and Analysis of Flotation Reagent Plant Trials Using the Paired t-test Xanthate Determination Procedures Environmental – Concentrate OdourIssues Useful Flotation Calculations Common Minerals and Properties Particle Size Conversions Cyclosizer Operating Instructions References Periodic Table of the Elements 1 3 3 3 4 5 7 8 9 10 11 12 13 14 14 15 17 18 18 19 20 21 27 33 37 39 47 49 51 55 56

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Orica Mining Chemicals

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Flotation Guidebook

Safe Handling of OricaFlotation Reagents

Orica seeks to be among the best performers internationally in safety, health and environment (SH&E) consistent with the Company aim to ‘Deliver the Promise’ in all aspects of its activities. The Company values include a commitment to operate to the highest standards of safety, health and environment, recognising that nothing is so urgent or important that the time cannot be takento do it safely. One of the four key principles for the Company is ‘SH&E – Ensuring our Future’ and the SH&E Vision of ‘No Injuries to Anyone, Ever’, ‘Value People and the Environment’ symbolises Orica’s commitment to eliminate all work related injuries, illnesses, motor vehicle incidents, environmental incidents, complaints and other adverse SH&E incidents and acknowledges the belief that allsuch incidents are preventable. In addition Orica’s SH&E Vision gives a commitment to manage its activities to meet the needs of our customers and the community in an environmentally sustainable manner, for the benefit of society and without compromising the quality of life of future generations. Orica’s aim is to continually reduce the number of injuries and other adverse SH&E incidents.
OricaEmergency Response Number 1800 033 111 (All Hours)

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Orica Mining Chemicals

The table below summarises the classification of substances that flotation chemicals are divided into. For more specific information about individual Orica products please refer to the corresponding product MSDS.
Class Flammable Liquid Class 3 Combustible Liquid – C1 Combustible Liquid – C2 Spontaneously CombustibleSolid Class 4.2 Flash Point < 60.5°C 60.5 to 150°C NA Dangerous Good Yes DG only for storage purposes DG only for storage purposes Yes Definition A liquid having a flash point below 60.5°C. A liquid having a flash point greater than 60.5°C but less than 150°C. A liquid having a flash point greater than 150°C. A self-heating material that can ignite without an external ignition source. It willusually only ignite when present in large volumes (at least kilograms) and after a long period of exposure (at least hours and usually days). A liquid or solid that is capable of causing the degradation and destruction of living tissue, steel and other materials on contact.

Corrosive Substance Class 8

NA

Yes

Data based on the Australian Dangerous Goods Code, 7th Edition.

1.1 CollectorsDithiophosphates (DTP’s) All the DTP’s are classified as dangerous goods, Class 8 corrosive liquids. Thionocarbamates (TNC’s) Pure TNC’s are mostly non-dangerous goods (non DG), for example Orica specialty collectors DSP 009 and DSP 115. Some other products in the TNC range may be classified as Class 3 dangerous goods dependent on the residual alcohol content. Xanthates All of the xanthate...