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Started by Millza79
To anyone with operational experience with filter presses, If you get large throughputs of flotation concentrate to filter press (due to high head grades etc) than design or typical, how do you manage it? Does the filter press become a bottleneck a...
To anyone with operational experience with filter presses, If you get large throughputs of flotation concentrate to filter press (due to high head grades etc) than design or typical, how do you manage it? Does the filter press become a bottleneck a...
1
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516
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Started by Jorge Quintanilla
Friends: My name is Jorge Quintanilla, I am a Bolivian citizen (south america) I am involved in expansion plant project in Colquiri Mine, Bolivia. The project has three thickeners.Tin concentrate thickener 30 ft x 10 ft .Zinc concentrate thickener ...
Friends: My name is Jorge Quintanilla, I am a Bolivian citizen (south america) I am involved in expansion plant project in Colquiri Mine, Bolivia. The project has three thickeners.Tin concentrate thickener 30 ft x 10 ft .Zinc concentrate thickener ...
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467
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Started by Millza79
Does anyone have some typical annual consumption numbers for filter cloths? I.e. tonnes of concentrate produced/square metres of cloth?
Does anyone have some typical annual consumption numbers for filter cloths? I.e. tonnes of concentrate produced/square metres of cloth?
Last replied to by SmartDog
Since one of the key wear factors is how the scraping and air blow is handled, the hours of operation is the figure normally kept. While the amount of material filtered is a factor, the amount of fi...
Since one of the key wear factors is how the scraping and air blow is handled, the hours of operation is the figure normally kept. While the amount of material filtered is a factor, the amount of fi...
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508
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Started by Jorge Quintanilla
dear friends.. I have the task of installing, starting and leaving working three new thickeners for Zn, Sn concentrates and slimes.To perform the slurry density measurement in the under flow, nuclear densimeters are used. We want to avoid using thes...
dear friends.. I have the task of installing, starting and leaving working three new thickeners for Zn, Sn concentrates and slimes.To perform the slurry density measurement in the under flow, nuclear densimeters are used. We want to avoid using thes...
Last commented on by SmartDog
Actually find an instrumentation engineer over 50 years old and he can probably put one together for you.
Actually find an instrumentation engineer over 50 years old and he can probably put one together for you.
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715
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Started by Darrel
Hi all, How to remove or precipitate base metal such Cu, Zn, Fe in solution tailings of cyanide destruction by INCO process. The regulation limit 2 ppm and the actual residual about 15 ppm. The head about 20ppm. Our process running with pH 10-11. ...
Hi all, How to remove or precipitate base metal such Cu, Zn, Fe in solution tailings of cyanide destruction by INCO process. The regulation limit 2 ppm and the actual residual about 15 ppm. The head about 20ppm. Our process running with pH 10-11. ...
5
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967
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Started by Ayanda
Hi, I am trainee at a Biox plant. Can anyone please share any information on how to assist reduce colloidal gold(gold suspended in liquid). We're losing alot of gold suspended in the wash liquor at the CCDs. Has anyone faced anything like this before...
Hi, I am trainee at a Biox plant. Can anyone please share any information on how to assist reduce colloidal gold(gold suspended in liquid). We're losing alot of gold suspended in the wash liquor at the CCDs. Has anyone faced anything like this before...
Last replied to by dauren.abralin
Does design consider loses of colloidal gold with CCD o/f's? I used to work on some BIOX plants and it seems to to me that this colloidal gold was a kind of myth. For Suzdal gold mine design criteria ...
Does design consider loses of colloidal gold with CCD o/f's? I used to work on some BIOX plants and it seems to to me that this colloidal gold was a kind of myth. For Suzdal gold mine design criteria ...
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931
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Started by bobo12
Good day Everyone I have conducted settling rate tests and i recorded height of the interface after every 30 seconds. So how do i calculate the overall settling rate of the flocculated material.?? Thanks Bobo
Good day Everyone I have conducted settling rate tests and i recorded height of the interface after every 30 seconds. So how do i calculate the overall settling rate of the flocculated material.?? Thanks Bobo
Last replied to by SmartDog
see: https://www.911metallurgist.com/blog/settling-and-thickening-test-procedure
see: https://www.911metallurgist.com/blog/settling-and-thickening-test-procedure
1
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692
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Started by Hamid72
Hello everybody I have some question What is the effect of feeding pressure and slurry percent solid on final moisture? Thanks for your attention
Hello everybody I have some question What is the effect of feeding pressure and slurry percent solid on final moisture? Thanks for your attention
2
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827
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Started by CA
We have an application that requires a 1.5" x 1" slurry pump. However, the spare pumps that we have available are a Warman 3/2 and a Flowserve 2.5/2. We would like to try to reduce the throughput of these pumps by changing out the pulleys and/or u...
We have an application that requires a 1.5" x 1" slurry pump. However, the spare pumps that we have available are a Warman 3/2 and a Flowserve 2.5/2. We would like to try to reduce the throughput of these pumps by changing out the pulleys and/or u...
2
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816
VIEWS
Started by vaheedghassemy
hello friends I want to make a vacuum drum filter but i dont know how i can calculate required surface of drum . we have slurry with 20% soil(200 micron) and flow is 14000 lit/hour the eye of filter must be 50 micron. can you help me please. tha...
hello friends I want to make a vacuum drum filter but i dont know how i can calculate required surface of drum . we have slurry with 20% soil(200 micron) and flow is 14000 lit/hour the eye of filter must be 50 micron. can you help me please. tha...
Last commented on by vaheedghassemy
hello and thanks a lot
hello and thanks a lot
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619
VIEWS
Started by smhs
I use different surfactants to improve function of filtration. The pulp i used for the tests is the output of the leach stage and has pH 2. According to the result of XRD analysis and pzc of minerals in the pulp, I predicted that the anionic surfacta...
I use different surfactants to improve function of filtration. The pulp i used for the tests is the output of the leach stage and has pH 2. According to the result of XRD analysis and pzc of minerals in the pulp, I predicted that the anionic surfacta...
Last replied to by SmartDog
Not trying to be sarcastic (okay a little), but the old fashioned way of doing lab testing is often the most reliable. The are lot of things going on that theoretical work can miss, such as minera...
Not trying to be sarcastic (okay a little), but the old fashioned way of doing lab testing is often the most reliable. The are lot of things going on that theoretical work can miss, such as minera...
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1309
VIEWS
Started by NP
Hello,Please, I need the help about the process of using hydro-sizers/aquasizers (upward water stream classification), and how the upward water stream affect the U/F PSD. Hydro-sizers are vertical and I saw them, but aquasizer looks like thickener, b...
Hello,Please, I need the help about the process of using hydro-sizers/aquasizers (upward water stream classification), and how the upward water stream affect the U/F PSD. Hydro-sizers are vertical and I saw them, but aquasizer looks like thickener, b...
1
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771
VIEWS
Started by Hannes
Hello All. I need some help or insight on different cone designs between the scalloped floor and flat cone floor design. What are the pros and cons of the different designs?
Hello All. I need some help or insight on different cone designs between the scalloped floor and flat cone floor design. What are the pros and cons of the different designs?
Last commented on by David
Great find Rod https://www.911metallurgist.com/design-of-scalloped-bottom-thickener-tanks/
Great find Rod https://www.911metallurgist.com/design-of-scalloped-bottom-thickener-tanks/
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2366
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Started by brettsylvester
We produce a sulphide copper concentrate at moistures ranging from 11-13% on average but require a moisture of no more than 10.6% for shipment (and of course would like to achieve even lower moistures in order to save on shipping costs). At presen...
We produce a sulphide copper concentrate at moistures ranging from 11-13% on average but require a moisture of no more than 10.6% for shipment (and of course would like to achieve even lower moistures in order to save on shipping costs). At presen...
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1836
VIEWS
Started by cesararaya
Hello, I introduce myself, my name is Cesar Araya and I am a student of metallurgy and I am looking for a program to simulate a thickening or clarifying process. I have been told that with metsim I can simulate, but I do not know how, and the hsc che...
Hello, I introduce myself, my name is Cesar Araya and I am a student of metallurgy and I am looking for a program to simulate a thickening or clarifying process. I have been told that with metsim I can simulate, but I do not know how, and the hsc che...
3
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961
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Started by Hamid72
Hello every body. In our plant we have orion pump for feeding our press filter. Their pressure rate in the feeding cycle is constant absolutely. They have only soft start have not variable speed drive to change feed pressure at feeding cycle. And we...
Hello every body. In our plant we have orion pump for feeding our press filter. Their pressure rate in the feeding cycle is constant absolutely. They have only soft start have not variable speed drive to change feed pressure at feeding cycle. And we...
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780
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Started by raveendra
We are operating a VBF to filter our tail thickener U/F to produce a cake of moisture 15-20% to make paste for U/G. Flocs are used in the process. We get substantial carry back during the filter press sometime even had to utilise labor permanently to...
We are operating a VBF to filter our tail thickener U/F to produce a cake of moisture 15-20% to make paste for U/G. Flocs are used in the process. We get substantial carry back during the filter press sometime even had to utilise labor permanently to...
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956
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Started by Hamid72
Hello everybody What is the best method for cleaning and washing press filter cloth to reuse. Which solution clean better the cloth? Our particles are mostly chalcopyrite. Thankyou
Hello everybody What is the best method for cleaning and washing press filter cloth to reuse. Which solution clean better the cloth? Our particles are mostly chalcopyrite. Thankyou
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884
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Started by Robert
If so the proceedings from Paste 2017 and Paste 2015 are available, open access: https://papers.acg.uwa.edu.au/f/paste Read away and comment or question here.
If so the proceedings from Paste 2017 and Paste 2015 are available, open access: https://papers.acg.uwa.edu.au/f/paste Read away and comment or question here.
Last replied to by David
this is how little I know... Basics of Paste Backfill Systems https://www.911metallurgist.com/basics-paste-backfill-systems/
this is how little I know... Basics of Paste Backfill Systems https://www.911metallurgist.com/basics-paste-backfill-systems/
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1280
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Started by knvaid
I am looking for best polymer for thickening Kaolin clay slurry without affecting its brightness value. Anyone can help us in this regard? and aslo what should be the dosage of that polymer?
I am looking for best polymer for thickening Kaolin clay slurry without affecting its brightness value. Anyone can help us in this regard? and aslo what should be the dosage of that polymer?
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795
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Started by Teggry
Hi I have recently been involve in commissioning a filter belt. We are getting some loud howling noises coming from it and I have pretty well ruled out drive drum slipppage. Any ideas?
Hi I have recently been involve in commissioning a filter belt. We are getting some loud howling noises coming from it and I have pretty well ruled out drive drum slipppage. Any ideas?
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2965
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Started by Ashwini M
Can someone help me know how to calculate rise rate(m/hr) in thickener.
Can someone help me know how to calculate rise rate(m/hr) in thickener.
Last replied to by Paul Morrow
Read young one, read: https://www.911metallurgist.com/blog/settling-and-thickening-test-procedure https://www.911metallurgist.com/dewatering-thickening/settling-test-procedure/
Read young one, read: https://www.911metallurgist.com/blog/settling-and-thickening-test-procedure https://www.911metallurgist.com/dewatering-thickening/settling-test-procedure/
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Started by sajjadaghazadeh
Can someone help me with a problem in tailing filteration? The fact is that thickener underflow was supposed to go through vacuum disk filter, however, due to highly content of clay minerals, montmorillonite etc, it constantly blocked. So we removed...
Can someone help me with a problem in tailing filteration? The fact is that thickener underflow was supposed to go through vacuum disk filter, however, due to highly content of clay minerals, montmorillonite etc, it constantly blocked. So we removed...
Last commented on by Donlon
agree with Rheomet about desliming, then you can get high specific throughput from filter, but what to do with the slime laden water? What is the driver? is it water scarcity or TSF constraint requiri...
agree with Rheomet about desliming, then you can get high specific throughput from filter, but what to do with the slime laden water? What is the driver? is it water scarcity or TSF constraint requiri...
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923
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Started by Rezaghogha75
I need to clear a bogged thickener. it has no rakes and we need it to be cleared within a day or two
I need to clear a bogged thickener. it has no rakes and we need it to be cleared within a day or two
Last replied to by MineralFrothFlotation
Dear Reza , Is it a concrete structure or metal ? Is it recently got jam or since long time ? If it is a concrete structure and recently got jam and diameter of the thickener is big. You may plac...
Dear Reza , Is it a concrete structure or metal ? Is it recently got jam or since long time ? If it is a concrete structure and recently got jam and diameter of the thickener is big. You may plac...
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Started by Christiaan Lourens
Hi. I want to know the design considerations for a High Rate Thickener that will be used to separate platinum solids from used mining water which forms a slurry with an inlet slurry velocity of 75 [l/s] and a solids percentage of 0.5 [%&...
Hi. I want to know the design considerations for a High Rate Thickener that will be used to separate platinum solids from used mining water which forms a slurry with an inlet slurry velocity of 75 [l/s] and a solids percentage of 0.5 [%&...
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991
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Started by Hamid72
Hello everyone I am working on pressure filter and I need some help about: 1) what is the best and fastest method for detecting the damaged cloth? 2) what are the parameters that affect on chamber filling when feeding is in progress in other words...
Hello everyone I am working on pressure filter and I need some help about: 1) what is the best and fastest method for detecting the damaged cloth? 2) what are the parameters that affect on chamber filling when feeding is in progress in other words...
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2313
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Started by Robert
Seitz, R, 2016 solid-liquid separation - commentary and references - thickeners Solid-liquid separation processes including thickeners and filters are a critical component of concentrators, including concentrate and tailings handling and intermediat...
Seitz, R, 2016 solid-liquid separation - commentary and references - thickeners Solid-liquid separation processes including thickeners and filters are a critical component of concentrators, including concentrate and tailings handling and intermediat...
Last replied to by Christiaan Lourens
Hi Robert. I have a new question, what is the design parameters for a high rate thickener for platinum mineral processing. And also do you have a typical underflow density of a high rate thickener. ...
Hi Robert. I have a new question, what is the design parameters for a high rate thickener for platinum mineral processing. And also do you have a typical underflow density of a high rate thickener. ...
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846
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Started by Subhash-Kumar-Roy
There is an issue with the CN ppm in the tailings pond, two camels got into the pond area with one camel dying from drinking the water (gate to pond was left open) it is now at 100ppm where the environmental limit is only 10ppm, we currently sprink...
There is an issue with the CN ppm in the tailings pond, two camels got into the pond area with one camel dying from drinking the water (gate to pond was left open) it is now at 100ppm where the environmental limit is only 10ppm, we currently sprink...
Last replied to by Subhash-Kumar-Roy
Hi, we assayed a sample of the Pond solution and then add Hypochlorite and re-assay for Au content. Results from test show that there is no drop in the Au values, several doses were tested after start...
Hi, we assayed a sample of the Pond solution and then add Hypochlorite and re-assay for Au content. Results from test show that there is no drop in the Au values, several doses were tested after start...
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876
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Started by jerry andoh
i am currently thickening at 212 microns with feed density of 15% solids however, i want to regrind from 212 microns to 45 microns and thicken to about 55% solids. my major worry is the capacity of my thickener which per design is at 24t/hr but i a...
i am currently thickening at 212 microns with feed density of 15% solids however, i want to regrind from 212 microns to 45 microns and thicken to about 55% solids. my major worry is the capacity of my thickener which per design is at 24t/hr but i a...
Last commented on by MineralFrothFlotation
Dear Jerry , just trying to analyze this thickening issue from different angle . If your process is capable to settle the fines very fast , in that way you can pump the slurry very fast and obviously...
Dear Jerry , just trying to analyze this thickening issue from different angle . If your process is capable to settle the fines very fast , in that way you can pump the slurry very fast and obviously...
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1149
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Started by Olga
Hello collegues! Nowadays, paste thickening is very common, for instance, in China and other countries, but still not in Russia. Please advice, what are the main conditions of use, what are the key tailings characteristics that determine its use. ...
Hello collegues! Nowadays, paste thickening is very common, for instance, in China and other countries, but still not in Russia. Please advice, what are the main conditions of use, what are the key tailings characteristics that determine its use. ...
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1124
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Started by Cindy ccindie1994
hello Tailings effluent from the tailings dam is brought back into the hydrometallurgical plant system and raw water from a nearby river is also used in the plant. I believe they are heavy metals and other components still present in the effluent si...
hello Tailings effluent from the tailings dam is brought back into the hydrometallurgical plant system and raw water from a nearby river is also used in the plant. I believe they are heavy metals and other components still present in the effluent si...
better to install a surge tank. you don't have to slow down the mill throughput to keep up with your filter presses. your surge tanks must keep the balance. Not only about the throughput, but when t...