sulfur floatation process

sulfur floatation process

Desulfurization Process of High Sulfur Coal by Full Flotation

based on the regulating of reagent scheme and flowsheet process the optimum small scale closed circuit experiment is conducted to obtain a coal concentrate with a yield of % assaying % c and % s at a c recovery of % and a s concentrate with a yield of % assaying % c and % s at a s recovery of % which …

Floatation method for removing copper lead and zinc from high grade

The invention discloses a floatation method for removing copper lead and zinc from high grade sulfur concentrate The high grade sulfur concentrate is obtained from pyrite ore or mineral processing tailings through floatation The high quality sulfur concentrate with the sulfur grade larger than 47% the copper grade smaller than 010% and the lead zinc total grade smaller than 030% can be

Synchronous Desulfurization and Desilication of Low SpringerLink

The flotation factors including depressant dosage modified depressant dosage and collector dosage were optimized by controlling the process variables The flotation performance indexes are the sulfur content in the concentrate A/S and the Al 2 O 3 recovery

The Desulfurization of Magnetite Ore by Flotation with a Mixture of

The desulfurization ratio of flotation process was calculated by the following equation Ls F > 5 > 4 2 where D is desulfurization ratio of flotation process is yield of concentrate 1 is the S grade of concentrate and 0 is the S grade of raw ore Figure 1 Flow sheet of ﬂotation tests

flotation process sulphur

Performance Recognition for Sulphur Flotation Sulphur flotation is a complex physical process influenced by multiple operational variables such as inlet air flow pulp level and it is naturally hydrophobic to attach to the air bubbles The objective of sulphur flotation is to separate valuable sulphur minerals from useless materials or other minerals so as to gain the upgraded sulphur

nickel processing Extraction and refining Britannica

Sulfide ores are crushed and ground in order to liberate nickel minerals from the waste materials by selective flotation In this process the ore is mixed with special reagents and agitated by mechanical and pneumatic devices that produce air bubbles As these rise through the mixture the sulfide particles adhere to their surfaces and are

Froth Flotation Process Used in the Lead Zinc Sulfide Ore

potential controlled flotation process used in the lead zinc processing is to change the electrochemical conditions of flotation system to control the process and direction of oxidation reduction reaction on the surface of the sulfide minerals in the slurry system thus affecting the surface state of sulfide ore the product form and stability of …

A Study on Mineral and Sulfur Rejection from Coal Using a Small Scale

It was found that inorganic sulfur can be rejected by column flotation indicating that a column floatation process can be applied for simultaneous demineralization and desulphurization of coal The order of pyrite rejection was Ensham > Datong > Illinois No 6 being different from that of ash rejection KW Column floatation KW

Performance recognition of sulfur flotation based on fuzzy support

Request PDF Performance recognition of sulfur flotation based on fuzzy support vector machine Considering performance recognition problem caused by the high noise of froth images and the

Flotation Process an overview ScienceDirect Topics

The flotation process is characterized by the following Involves the injection of fine gas bubbles into the water phase Gas bubbles in the water adhere to the oil droplets Buoyant force on the oil droplet is greatly increased by the presence of the gas bubble

Minerals Free Full Text Prediction of Sulfur Removal from Iron

3 days agoFroth feature extraction plays a significant role in the monitoring and control of the flotation process Image based soft sensors have received a great deal of interest in the flotation process due to their low cost and non intrusive properties This study proposes data driven soft sensor models based on froth images to predict the key performance indicators of the flotation process The

Sulphide Flotation an overview ScienceDirect Topics

The Platsol process was originally developed in collaboration with the University of British Columbia Kane Consultants Ltd and Lakefield Research in Canada for the treatment of flotation sulfide concentrate for Polymet Mining Company in Minnesota and was tested on similar types of concentrate materials

Flotation extraction of elemental sulfur from gold bearing cakes

According to the basic process flow chart the flotation process designed for gold extraction is carried out after autoclave oxidation but before cyanidation A series of experiments were carried out with varying reagent conditions and the dependence of gold losses on the extraction of elemental sulfur in the flotation tailings was established

Sodium Hydrosulfide NaSH An Alternative to Sulfur Production

The process feeds the Cu Sulfide concentrate produced through flotation and applies a reverse flotation circuit to separate the Moly sulfide from Copper sulfides In this case the MoS floats and the CuS is depressed in a bank of flotation cells The control devise is also an ORP meter typically controlled at between 450 mv and 500 mv

Processes Free Full Text Recovering Cobalt and Sulfur in Low MDPI

The flotation process was used to recover cobalt and sulfur in the cobalt bearing V Ti tailings The results showed that an optimized cobalt sulfur concentrate with a cobalt grade of % sulfur content of % sulfur recovery of % and cobalt recovery and % were obtained by flotation process of one roughing three sweeping

Flotation Separation of Pyrite from Refractory High Sulfur Bauxite

Effect of Pulp pH Pulp pH is an important parameter in the flotation of high sulfur bauxite which would influence the surface charge and floatability of minerals [] The Effect of pulp pH on the sulfur content in the concentrate and Al 2 O 3 recovery was investigated and shown in Fig flotation conditions were fixed as TMBI dosage 120 g/t copper sulfate dosage 60 g/t terpenic oil

Removal of sulfur by adding zinc during the digestion process of high

During the Bayer process the sulfur in high sulfur bauxite first enters the solution in the form The methods of sulfur removal can be mainly divided into flotation desulfurization 12 13 14

Data Driven Approximated Optimal Control of Sulfur Flotation Process

Sulfur flotation process is a typical industry process with complex dynamics For a sulfur flotation cell the structure of the system model could be derived using first principles and reaction

Froth floatation process why CuSO4 is activating floating character

KCN and NaOH depress the floatation property of ZnS and FeS A 2 particles Thus only PbS particles go into the froth Now copper sulphate is added to the mixture which activates floating character of ZnS and this time only ZnS comes along with froth The remaining slurry is acidified and FeS A 2 floats along with froth

Data Driven Approximated Optimal Control of Sulfur Flotation Process

Sulfur flotation is a typical three phase solid liquid gas process Generally the operation of this type of process is nontrivial due to its complex and nonlinear dynamics which is a synthetical outcome of the intricate interactions between the reactants inlet conditions manipulated variables and disturbances

CN101823023B Floatation process of high ferrum sulfur ore

The invention relates to a floatation process of high ferrum sulfur ore concentrates comprising the following steps of concentrating and adding acid in zinc tails obtained by selecting lead zinc ores and then roughing and scavenging for many times to produce rough ore concentrates finely selecting the rough ore concentrates for many times to produce high ferrum sulfur ore concentrates and

Moving Horizon Estimation of Sulfur Concentrate Grade Based on Kinetic

Abstract This article proposed a moving horizon approach to predict sulfur concentrate grade in a sulfur flotation process In this approach the grade prediction problem is formulated as a moving horizon estimation problem To build the nominal model for the estimation the kinetic of sulfur flotation process are firstly studied

Silver MIning Solution Mineral Processing

Flotation roasting cyanation This process is commonly used to process insoluble gold arsenic ore gold antimony ore and gold pyrite with extremely high sulfide content The purpose of roasting is to remove arsenic antimony and other elements that are harmful to the cyanation process 3 Flotation fire treatment

Characterization and Flotation of Sulfur from Chalcopyrite Concentrate

Mineral processing played only a small role in the elemental sulfur industry When a sulfur ore was selected a typical method was grin ding the sulfur ore to about 28 mesh followed by froth flotation Flotation concentrates were melted and filtered to produce sulfur products with a grade of % These plants basically operated before 1960s [2]

Flotation Desulfurization of Acidified High Sulfur Bauxite Effects of

Feb 24 2021The study of Li et al showed that during the process of flotation desulfurization modified starch inhibited diaspore to a certain extent and reduced the loss of Al 2 O 3 into high sulfur tailings When the dose of modified starch increased its special structure covered micromolecular collectors and consequently reduced the separation performance of agents so affecting flotation

Sour Water Stripper Process Yokogawa America

The next step in the process is known as hydrogen sulfide stripping The degassed sour water is fed to the acid gas or hydrogen sulfide stripper which is a steam reboiled distillation column The hydrogen sulfide which is stripped overhead is of high purity an excellent feed for sulfur recovery units or sulfuric acid plants

Copper Mining and Processing Processing Copper Ores

This process uses a series of physical steps and high temperatures to extract and purify copper from copper sulfide ores in four basic steps 1 froth flotation 2 thickening 3 smelting and 4 electrolysis

Sulphur Production Uses Nuroil

The most common conversion method used is the Claus process Approximately 90 to 95 percent of recovered sulfur is produced by the Claus process The Claus process typically recovers 95 to 97 percent of the hydrogen sulfide feedstream Sulfur removal facilities are located at the majority of oil and gas processing facilities throughout the world

Roasting metallurgy Wikipedia

Roasting is a process of heating a sulfide ore to a high temperature in the presence of air It is a step in the processing of certain specifically roasting is often a metallurgical process involving gas solid reactions at elevated temperatures with the goal of purifying the metal component s Often before roasting the ore has already been partially purified by froth

Moving Horizon Estimation of Sulfur Concentrate Grade Based on Kinetic

This article proposed a moving horizon approach to predict sulfur concentrate grade in a sulfur flotation process In this approach the grade prediction problem is formulated as a moving horizon estimation problem To build the nominal model for the estimation the kinetic of sulfur flotation process are firstly studied The unknown variable in the kinetic model the flux of overflow

Free Quotation

Incredible has successfully built lots of crushing plants, grinding plants and metal ore dressing plants for our customers.

Get a Free Quote Now