Optimizing Carbon-in-Leach process for Gold Extraction in Mining
Maximize the recovery of precious metals in a sustainable and cost-effective manner
Optimizing Precious Metal Recovery in Mining during Carbon-in-Leach
Carbon-in-Leach (CIL) is a widely adopted process in the mining industry for extracting precious metals, particularly gold, from ore. This technique involves the use of a carbonaceous material to adsorb the gold, followed by its extraction through chemical means. The efficiency and success of CIL greatly depends on various factors, such as the ore composition, carbon quality, contact time, pH, temperature and dissolved oxygen. One common challenge of this process is the variability in ore grade and composition. Another significant challenge lies in accurately monitoring and controlling pH, temperature, and oxygen levels throughout the process, as combined deviations can have detrimental effects on process stability. With a range of advanced measurement instrumentation technologies, Emerson enables mining operations to maintain optimal conditions for efficient carbon-in-leach processes.
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Product Solutions
Rosemount 8705 Flanged Magnetic Flow Meter Sensors provide long-lasting, reliable performance in even the most challenging applications. An all-welded construction provides a hermetic seal that protects against moisture and other contaminants. The sealed housing ensures maximum sensor reliability by protecting all internal components and wiring from even the most aggressive environments. A removable and replaceable terminal block enables easy repair in the field without the need to replace the entire meter.
- For maximum protection, a fully welded sensor housing provides a hermetic seal
- Avoid process shutdown with a removable and replaceable terminal block that enables repairs in the field
- Capture any potential process fluid leakage with optional secondary containment compartments to surround electrodes
Accuracy
Up to 0.15% of volumetric flow rate accuracy over 13:1 flow turndowns, 0.25% over 40:1 flow turndown
Line Sizes
½-36 inch (15-900 mm)
Liner Materials
PTFE, ETFE, PFA, Polyurethane, Neoprene, Linatex Natural Rubber
The Rosemount 1208 Series provides accurate and reliable level measurement and open channel flow calculations. The radar level transmitter has been designed to solve challenges in water and wastewater, utilities and basic chemical applications. The Rosemount 1208 uses continuous non-contacting radar technology and features Smart Echo Supervision™ technology, in a compact PVDF housing with drinking water and food grade approvals. Its encapsulated design also withstands outdoor conditions and is fully submersible over extended periods of time. The Rosemount 1208 Series communicates via Bluetooth® wireless technology, 4-20 mA HART® or IO-link and has a broad range of mounting accessories, making it easily integrate into both new and existing systems.
- With Smart Echo Supervision™ technology, Rosemount Non-Contacting Radars automatically track all echoes, including those from obstructions in the vessel, and distinguish them from the real product surface echo. This ensures the true product level is reliably and accurately reported.
- Compact and robust design to withstand harsh environments, designed for outdoor conditions, submersion and hazardous location installations
- Simple configuration over your tablet/mobile device via Bluetooth® wireless technology
Communication Protocol
Bluetooth® wireless technology, 2-wire 4-20 mA HART or 3-wire 4-20 mA, IO-Link, Switch
Interoperability
Process connections and accessories sold separately. See Product Data Sheet for complete list of brackets, flanges, IO-Link accessories, etc.
Measurement Range
49.2 ft. (15m)
The Rosemount 396P pH Sensor/ORP Sensor, with integral cable, is specifically designed for improved life in harsh, dirty, and abrasive applications such as lime slurry waste treatment, paper machine headbox and pigment/dye applications, where large quantities of suspended solids are present. The pH/ORP sensor features a coating resistant TUpH large area reference junction and a rugged polypropylene body construction for maximum chemical resistance.
- Minimum pH/ORP sensor maintenance due to TUpH reference technology which ensures steady pH signal when sensor is coated
- Maximum pH/ORP sensor life due to helical reference pathway which hinders reference poisoning and cracking resistant glass
- SMART enabled for pH measurements
Measurement Range
pH sensor: 0 to 14ORP sensor: -1500 to 1500 mV
Operating Pressure
Hemi-bulb: 0 to 150 psig (0 to 10.34 barg)Flat-bulb: 0 to 100 psig (0 to 6.89 barg)
Operating Temperature
32 - 212 °F (0 -100 °C)
With the Rosemount 2088 Gage and Absolute Pressure Transmitter, you can keep on schedule with a quick and easy-to-install solution. This transmitter features a Local Operator Interface (LOI) that has easy-to-use menus and built-in configuration buttons, so you can commission the device on the spot without complicated tools. This pressure transmitter is also available with manifolds and remote seals.
- Local Operator Interface (LOI) features straightforward menus and built-in configuration buttons for ease-of-use
- Factory-assembled and leak-checked integral manifold and remote seal solutions deliver a quick start-up
- Available protocols include 4-20 mA HART and 1-5 Vdc HART Low Power for application flexibility
Warranty
Up to 5-year limited warranty
Rangedown
Up to 50:1
Communication Protocol
4-20 mA HART®, 1-5 V Low Power HART®
The Rosemount 8600 Utility Vortex flow meter is optimized for general purpose flow metering and utility applications including clean fluids and steam flow. The 8600 Utility Vortex meter offers enhanced reliability and simplified maintenance with superior vibration immunity without any moving parts. Installation is easy with no impulse lines or zeroing required and internal verification of both the electronics and sensor add enhanced process insight
- Ensure reliability and cut costs with no moving parts to repair or maintain
- Eliminate impulse lines and plugging issues with inline technology
- Simplify installation with no impulse lines or field calibration or zeroing required
Flow Meter Accuracy
± 0.75% of volumetric rate for liquids
± 1% of volumetric rate for gas and steam
± 2% of rate for mass flow on steam using 8600 MultiVariable (MTA option)
± 1% of volumetric rate for gas and steam
± 2% of rate for mass flow on steam using 8600 MultiVariable (MTA option)
Turndown
30:1
Output
4-20 mA with HART® 5
4-20 mA with HART® 5 and scalable pulse output
4-20 mA with HART® 5 and scalable pulse output
