- To participate in the 911Metallurgist Forums, be sure to JOIN & LOGIN
- Use Add New Topic to ask a New Question/Discussion about Mineral Processing or Laboratory Work.
- OR Select a Topic that Interests you.
- Use Add Reply = to Reply/Participate in a Topic/Discussion (most frequent).
Using Add Reply allows you to Attach Images or PDF files and provide a more complete input. - Use Add Comment = to comment on someone else’s Reply in an already active Topic/Discussion.
1
REPLY
628
VIEWS
7
REPLIES
827
VIEWS
Started by Johnsonwt
Hi there, I have been going through much R&D to with a product to find one that is strong enough and rust proof. The latest is carbon steel with a zinc coating.. though salt water seems to penetrate it and cause blackening and some build up...
Hi there, I have been going through much R&D to with a product to find one that is strong enough and rust proof. The latest is carbon steel with a zinc coating.. though salt water seems to penetrate it and cause blackening and some build up...
2
REPLIES
1535
VIEWS
Started by Henley Munn
G'day does anyone have a test procedure they'd be wiling to share for intermittent bottle roll tests to model heap leach recovery performance? Thanks
G'day does anyone have a test procedure they'd be wiling to share for intermittent bottle roll tests to model heap leach recovery performance? Thanks
Last commented on by Zeynep Guven
hello Henley Munn, Have you found a procedure like you mentioned? can you send me?
hello Henley Munn, Have you found a procedure like you mentioned? can you send me?
1
REPLY
1446
VIEWS
Started by Seeker
Does rhodium dissolve in aqua regia, if yes, can hot aqua regia speed up the dissolution?
Does rhodium dissolve in aqua regia, if yes, can hot aqua regia speed up the dissolution?
Last replied to by Wieslaw Wodecki
Rod pylasty rozpuści się w gorącej wodzie królewskiej , ale jeżeli jest w sztabce po stopieniu będzie to trwało wieki. Wtedy do rozpuszczania najlepiej zastosować K2S2O8. Rozpuszczanie w sto...
Rod pylasty rozpuści się w gorącej wodzie królewskiej , ale jeżeli jest w sztabce po stopieniu będzie to trwało wieki. Wtedy do rozpuszczania najlepiej zastosować K2S2O8. Rozpuszczanie w sto...
2
REPLIES
982
VIEWS
Started by lnldtt
Hi everyone, I'm looking for a metallurgical software to simulate a heap leaching operation, in order to forecast plant metal production. My first choice is Metsim but is there any other software that anyone could recommend for this specific applicat...
Hi everyone, I'm looking for a metallurgical software to simulate a heap leaching operation, in order to forecast plant metal production. My first choice is Metsim but is there any other software that anyone could recommend for this specific applicat...
Last replied to by SIMetallurgist
Agree with Todd -Metsim -GoldSim -Excel Macro based model - many consultants can build this for you. You will want to understand your heap leach test work data very well before starting to model. ...
Agree with Todd -Metsim -GoldSim -Excel Macro based model - many consultants can build this for you. You will want to understand your heap leach test work data very well before starting to model. ...
1
REPLY
719
VIEWS
Started by Mreza555
Is there any specific instrument that directly determines sticking index of pellets? or it should be done just by calculations from reduction processes?
Is there any specific instrument that directly determines sticking index of pellets? or it should be done just by calculations from reduction processes?
2
REPLIES
968
VIEWS
Started by Millza79
Wasn't sure where to put this. What exactly are "marketing costs" when it comes to sending concentrates to smelters? Are they TCs/RCs or something else?
Wasn't sure where to put this. What exactly are "marketing costs" when it comes to sending concentrates to smelters? Are they TCs/RCs or something else?
1
REPLY
784
VIEWS
Started by kevind
I'm looking for help with processing ore containing gold, silver, and copper. I live in fairly remote location in Baja California on the Sea of Cortez, (an hour by boat from a small town with basics that is 6 hours from a city) and acquiring certain...
I'm looking for help with processing ore containing gold, silver, and copper. I live in fairly remote location in Baja California on the Sea of Cortez, (an hour by boat from a small town with basics that is 6 hours from a city) and acquiring certain...
1
REPLY
870
VIEWS
Started by nhngh
Hi everyone, I'm a newbie here. I don't know if I'm posting in the right place. Could anyone please tell me how to determine which beneficiation technique would be most suitable for beneficiating a Bauxite ore by using the physical parameters of Gib...
Hi everyone, I'm a newbie here. I don't know if I'm posting in the right place. Could anyone please tell me how to determine which beneficiation technique would be most suitable for beneficiating a Bauxite ore by using the physical parameters of Gib...
1
REPLY
1016
VIEWS
Started by biggerthanpenny
Hi all, I know this is a long shot but does anyone have any information on how to source any of these software packages? The company that produced the software was Mineral Technologies International (http://www.mineraltech.com/MODSIM/index.html), I...
Hi all, I know this is a long shot but does anyone have any information on how to source any of these software packages? The company that produced the software was Mineral Technologies International (http://www.mineraltech.com/MODSIM/index.html), I...
1
REPLY
969
VIEWS
Started by Mreza555
Hi I am working on a ARL8860 instrument and the main use is for copper industry. they use fire assay technique to analyze precious metals. is there an individual "Fire assay Module" for this instrument? or it can be done just by calibrations? Thank...
Hi I am working on a ARL8860 instrument and the main use is for copper industry. they use fire assay technique to analyze precious metals. is there an individual "Fire assay Module" for this instrument? or it can be done just by calibrations? Thank...
1
REPLY
899
VIEWS
Started by MSKabir
During rotation of a SAG mill, the three prominent zones are the grinding zone, tumbling or cascading zone and the cataracting zone (crushing zone). Are there any studies about the percentage of wear in the areas mentioned and what type of wear domin...
During rotation of a SAG mill, the three prominent zones are the grinding zone, tumbling or cascading zone and the cataracting zone (crushing zone). Are there any studies about the percentage of wear in the areas mentioned and what type of wear domin...
2
REPLIES
977
VIEWS
Started by richardh
Hi I need assistance in calculating the end velocity of a 278.45 m3/h slurry of 1.6 SG density down a 45 degree rubber lined steel pipe of 480mm inner diameter. The fluid enters the pipe at near zero velocity. The vertical drop is 6.8m and pipe leng...
Hi I need assistance in calculating the end velocity of a 278.45 m3/h slurry of 1.6 SG density down a 45 degree rubber lined steel pipe of 480mm inner diameter. The fluid enters the pipe at near zero velocity. The vertical drop is 6.8m and pipe leng...
1
REPLY
1442
VIEWS
Started by Angela
Our lab guy has asked about different types of rhodanine: apparently he found cheap stuff and expensive stuff. I thought that there was only one, but I never had to prepare it, myself. An EPA procedure (https://www.epa.gov/sites/production/files/20...
Our lab guy has asked about different types of rhodanine: apparently he found cheap stuff and expensive stuff. I thought that there was only one, but I never had to prepare it, myself. An EPA procedure (https://www.epa.gov/sites/production/files/20...
2
REPLIES
922
VIEWS
Started by spoch
Hi, We operate a tin mining operation in central Nigeria that is an alluvial deposit. The ore sand comes with a lot of boulders. Initially we were using a grizzly but this has led to a lot of plant idle time getting because of the time it takes to p...
Hi, We operate a tin mining operation in central Nigeria that is an alluvial deposit. The ore sand comes with a lot of boulders. Initially we were using a grizzly but this has led to a lot of plant idle time getting because of the time it takes to p...
1
REPLY
1437
VIEWS
Started by rockape888
Hi, I am evaluating test work completed on a circuit where gravity tails are put through a float circuit. i.e. concentration of the rougher feed. Gravity circuit is likely a Knelson concentrator. Is it possible to scale up this type of circuit to 5 ...
Hi, I am evaluating test work completed on a circuit where gravity tails are put through a float circuit. i.e. concentration of the rougher feed. Gravity circuit is likely a Knelson concentrator. Is it possible to scale up this type of circuit to 5 ...
Last replied to by Gene Cheeseman
Hi Rockape, 5Mtpa is approximately 600 tph. The largest Falcon or Knelson concentrators top out at around 400 tph. If more capacity is needed multiple units are used in parallel - some plants hav...
Hi Rockape, 5Mtpa is approximately 600 tph. The largest Falcon or Knelson concentrators top out at around 400 tph. If more capacity is needed multiple units are used in parallel - some plants hav...
1
REPLY
1211
VIEWS
Started by Mreza555
Hello everyone there is a Leco CS230 instrument with a high sulfur detector. is it possible to have an extra low sulfur detector simultaneously ? or should we change the detector for low sulfur analysis ? Thanks
Hello everyone there is a Leco CS230 instrument with a high sulfur detector. is it possible to have an extra low sulfur detector simultaneously ? or should we change the detector for low sulfur analysis ? Thanks
0
REPLIES
841
VIEWS
Started by sajjadaghazadeh
Hello Everyone; I hope you are doing great. I really need your help and hope mine guys could help me. The fact is that we have faced a very low liberation degree in our iron processing plant. The iron concentration takes place by using primay and s...
Hello Everyone; I hope you are doing great. I really need your help and hope mine guys could help me. The fact is that we have faced a very low liberation degree in our iron processing plant. The iron concentration takes place by using primay and s...
0
REPLIES
874
VIEWS
Started by metalshaper
Hello everyone, I know this question doesn't really fit anywhere on this site but I am in need of some help with zinc sheet metal. I am a metalshaper and have been asked by a customer to build a gas tank out of zinc sheet. The sheets are .04...
Hello everyone, I know this question doesn't really fit anywhere on this site but I am in need of some help with zinc sheet metal. I am a metalshaper and have been asked by a customer to build a gas tank out of zinc sheet. The sheets are .04...
1
REPLY
917
VIEWS
Started by Henryezra
Hi all, just a quick one. Say your operation had hypersaline process water with an SG of 1.1. When calibrating the Marcy scale for %solids determination, do you use fresh water with an sg close to 1, or the process water used during milling? Thanks....
Hi all, just a quick one. Say your operation had hypersaline process water with an SG of 1.1. When calibrating the Marcy scale for %solids determination, do you use fresh water with an sg close to 1, or the process water used during milling? Thanks....
Last replied to by SmartDog
Fresh water at its densest (at 4 °C or 39.2 °F) alternatively at room temperature (20 °C or 68 °F). Nonetheless, the temperature and pressure must be specified for both the sample and the referenc...
Fresh water at its densest (at 4 °C or 39.2 °F) alternatively at room temperature (20 °C or 68 °F). Nonetheless, the temperature and pressure must be specified for both the sample and the referenc...
3
REPLIES
2261
VIEWS
Started by Yvette314
Good day - I want to determine the sample size needed for a run-of-mine. I want to determine the sample mass needed by particle size. I've created a tool determining the variance between the size fractions for the RoM PSD, and then based on that, and...
Good day - I want to determine the sample size needed for a run-of-mine. I want to determine the sample mass needed by particle size. I've created a tool determining the variance between the size fractions for the RoM PSD, and then based on that, and...
1
REPLY
801
VIEWS
Started by Tende
Good day,I am a PhD student, doing my research in Froth Flotation. I am currently polishing my flotation skills (batch flotation cell) for my project. One thing I am battling with is to maintain the froth height constant, especially when it comes to ...
Good day,I am a PhD student, doing my research in Froth Flotation. I am currently polishing my flotation skills (batch flotation cell) for my project. One thing I am battling with is to maintain the froth height constant, especially when it comes to ...
2
REPLIES
1031
VIEWS
Started by FarshidBsr
I am working with a project involving a bentonite powder for pelletizing plant. 0-50 mm bentonite is dried in dryer, and milled with ring roller mills to produce a bentonite powder with P80=45 um. The bentonite water absorption drops from 449% to 323...
I am working with a project involving a bentonite powder for pelletizing plant. 0-50 mm bentonite is dried in dryer, and milled with ring roller mills to produce a bentonite powder with P80=45 um. The bentonite water absorption drops from 449% to 323...
1
REPLY
852
VIEWS
Started by Fatemeh
We produce steel casting liners for SAG/Ball mills. One client in Iron ore mine is using rod mill in first stage grinding. The shell liners are rolled steel and work for 7 months. Now they want to switch to cast liners and ask for a proper material i...
We produce steel casting liners for SAG/Ball mills. One client in Iron ore mine is using rod mill in first stage grinding. The shell liners are rolled steel and work for 7 months. Now they want to switch to cast liners and ask for a proper material i...
0
REPLIES
880
VIEWS
Started by Math Nope
Hello, I need to know how to process tin ore containing stannite (Cu2FeSnS4) mineral. If you have some process flow diagram or something else will be appreciate. Thank you.
Hello, I need to know how to process tin ore containing stannite (Cu2FeSnS4) mineral. If you have some process flow diagram or something else will be appreciate. Thank you.
You will need to consult a chemistry reference book (CRC) for the various solubilities of metal chlorides to find out. Most base metals are fairly soluble in the chloride state.