Sunday 28 January 2018

CINEMA and MINING


I have always been intrigued by extraterrestrial fiction movies with realistic scenes of colonization of other planets and galaxies by earthlings.

In such films, the mining industry takes an important place: mines, stone pits and processing plan
ts on other planets. These details of the plot are present in almost all the films of this genre.

However, often mining and processing units are very superficial, tangential in movies.
I can speculate about the reasons for these. It is most likely that the directors of the films are afraid to show the mining industry in more detail in order to avoid the criticism of professionals and skeptics. Also fresh ideas are needed.


In my humble opinion the mining theme is pushed undeservedly into the shadow by cinema. Nothing prevents the filmmakers to penetrate deeper into the problem and put the mining facilities and technology in the movie in full and in such futuristic reality that the viewer's brain will literally explode on the volume and quality of the seen. Many people almost do not read books. Their worldview is formed mainly through television (today's picture) and cinema (futuristic trends). People often have a distorted view of reality and a very vague and uncertain view of the future.

Meanwhile, the cinema have a huge educational potential. Given that the supply of information comes unobtrusively, fun and it is cost-effective for the film companies.

Mining in the minds of people is usually associated with something harmful and negative (such as a natural or artificial disaster). But this is not quite true. Plus, mankind has never been able to abandon the mining industry and will not be able to do it.

It would be nice to add a positive to this thread.

"It means your future hasn't been written yet. No one's has. Your future is whatever you make it, so make it a good one. " (Dr. Brown. Back to the Future).

Let's show the mining, as we want it to be.
Cinema often has the inverse effect: it shapes the future by its own films.
As analogy with the books of Jules Verne. French writer had an excellent level of education and great imagination, but he was not a prophet. Jules Verne only carried out a competent PR of very good ideas in a very interesting and exciting art form. So these ideas came to dominate at the mass consciousness of the 19th century and defined the main directions and forms of the technical thinking. Jules Verne is not a prophet, he is a creator! We are convinced in this.

What prevents us to repeat this success only by a more powerful and impressive technical tricks of fine art of movie?
For my part, I can promise to add to your movie or cartoon, at least a few of these realistic "delicious" features about the future of mineral processing.
The movie will sparkle by different colors and will qualify for the glory of the prophetic movie.

My experience and outlook allows me to such forecasts in concentration and processing of minerals. I can quite clearly outline the main trends in this area for a hundred years ahead.
All this will be very realistic and reproducible. Such scenery or special effects can decorate a movie or be the cornerstone of its story. The audience will believe in the realism of what it saw on the screen. In their minds the reality will be mixed with fiction.
It will be very advanced and realistic elements of future technology.
Today's technology in art is not interesting - it's too corny. People are interested in tomorrow and after tomorrow. I'll give it them. I am fully responsible for my words.

Thank you for your time. We will be happy if you are interested in this topic.
© Ph.D. Natalia Petrovskaya
16 July, 2016
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P.S. We have enough resources on Earth. People do not have enough knowledge and skills to effectively separate minerals on Earth.  It is too early for people to tackle issues of benification of  meteorites or processing ores on other planets.

Friday 26 January 2018

I'm not interested in working in an university group or other scientific group or a team

One  writes to me: "Do you join our group if you are interested?"

My answer to this proposal and the like: "No, I'm not interested in working in an university group or other scientific group or a team, in such groups there is usually a very blurred composition of their members and the same blurred responsibility for the final result of the project.

I'm not happy with the fact that I can not determine the final result in such cases, as a result it is very bad for any project, customer or investor.

I work alone, I can do almost anything I need.  I use to personally answer for the final result of my work. Therefore, I do not need any bands, except my own little team.

Ph.D. Natalia Petrovskaya 

Sunday 21 January 2018

COMBINED METHODS OF THE SEPARATION

There are many combinations of methods of mineral separation:
  • Flotogravity separation
  • Magnetohydrodynamic separation
  • Pyroelectric separation
  • Tribo-aero-electrostatic separation
  • Pneumoelectric separation
  • Fluidising-electrostatic separation
  • Crown-magnetic separation
  • Opto-electrical separation
  • Segregation-diffusion concentration
  • Flotoclassification
  • Flotojigging
  • Flotation with strain in dense media
  • Oil flotation with magnetic separation (Murex method)
© Ph.D. Natalia Petrovskaya
January 28, 2016
nataliapetrovsky@gmail.com

Thursday 18 January 2018

SPECIAL METHODS OF SEPARATION

Special methods of separation:

  • Ore separation by color
  • Ore separation by shine
  • Ore separation by hardness
  • Ore separation by form
  • Ore separation by friction
  • Ore separation by elasticity
  • Ore separation by size (with selective crushing and grinding)
  • Ore separation by density (in air)
  • Separation of ores by ability to adhere to body surfaces (or other surfaces)
  • Separation of ores by ability of the mineral to obtain triboelectric charge through friction
  • Separation of ores by ability of mineral to crumble when heated (decriptation)
  • Separation of ores by ability of mineral to crumble when frozen
  • Separation of ore by reflectivity of mineral when using various types of physical radiations (optical methods, photometric separation, radiometric sorting, fluorescent separation)
  • (Amalgamation, Borax method of gold extraction)
  • (Sticky separation)
© Ph.D. Natalia Petrovskaya
January 28, 2016
nataliapetrovsky@gmail.com

Monday 15 January 2018

PRETREATMENT

Pretreatment:
    Roasting
    Calcining
    Roast-Sintering
    Ultrasound
    Microwave system
    Pulp conditioning
    Chemical solution or fusion
    Ore washing
    Briquetting (bricketting)
    Pelletizing
    Others
© Ph.D. Natalia Petrovskaya
September 25, 2017
nataliapetrovsky@gmail.com

Thursday 11 January 2018

CLASSIFICATION OF THE METHODS FOR THE SEPARATION OF MINERALS Author of the classification is Ph. D. Natalia Petrovskaya


CLASSIFICATION OF THE METHODS FOR THE SEPARATION OF MINERALS:

Physical methods of the separation:
  • Flotation separation of minerals. There are more than 20 types of flotation separation of minerals  (wet).
  • Gravity separation of minerals. There are more than 12 types of gravity separation of minerals (dry and wet).
  • Magnetic separation of minerals. There are more than 14 types of magnetic separation of minerals (dry and wet).
  • Electrical separation of minerals. There are 6 types of electrical separation of minerals (dry).

Chemical methods of the separation
Chemical separation. There are 7 types of leaching of minerals (wet).

Special methods of the separation
There are more than 15 types of special methods of the separation (dry and wet).

Combined methods of the separation
There are more than 30 types of combined methods of the separation (dry and wet).

Preliminary methods of the separation

Pretreatment. There are more than 10 types of preliminary methods of the separation (dry and wet).

© Ph.D. Natalia Petrovskaya
January 11, 2018  
nataliapetrovsky@gmail.com


Wednesday 3 January 2018

Special methods of separation

Special methods of separation:

  • Ore separation by color
  • Ore separation by shine
  • Ore separation by hardness
  • Ore separation by form
  • Ore separation by friction
  • Ore separation by elasticity
  • Ore separation by size (with selective crushing and grinding)
  • Ore separation by density (in air)
  • Separation of ores by ability to adhere to body surfaces (or other surfaces)
  • Separation of ores by ability of the mineral to obtain triboelectric charge through friction
  • Separation of ores by ability of mineral to crumble when heated (decriptation)
  • Separation of ores by ability of mineral to crumble when frozen
  • Separation of ore by reflectivity of mineral when using various types of physical radiations (optical methods, photometric separation, radiometric sorting, fluorescent separation)
  • (Amalgamation, Borax method of gold extraction)
  • (Sticky separation)

HOW TO CHOOSE A METHOD FOR THE SEPARATION OF MINERALS

Ph.D. Natalia Petrovskaya

Tuesday 2 January 2018

THE SECRET OF OUR SUCCESS

Investors and owners often ask us: "WHAT IS THE SECRET OF YOUR SUCCESS?"

We answer: "The success or failure of the case is laid more on the level of ideas. Line up and solve the problem theoretically in the head, to simulate the situation before an investment - is to make 80 % of case. The rest is a technical matter. Our strong point and our trump card is a possibility to choose  theoretically the optimal processing technology for any ore.

We'll help you get rich!

Contact us directly. Don’t buy anything without our independent assessment - this is too risky. Don't succumb to cheap promises and simple solutions. Anything of these doesn't exist. Each step can lead you to great loss.

Remember that!
We will share with you the knowledge that any expert doesn't have in the world!

We know everything in the mineral enrichment. We have no competitors. Only we can theoretically calculate and simulate FOR YOU  the UNIQUE TECHNOLOGY, which anybody doesn't have in the world.
Hurry, because our small team may be busy again on another project, and you will have to wait.

Ph.D. Igor Bobin & Ph.D. Natalia Petrovskaya"

You can visit our website "CONCENTRATION OF MINERALS"  and read "OUR ADVICE TO OWNERS AND INVESTORS"

Monday 1 January 2018

FUNDAMENTALS OF THE THEORY OF FLOTATION By Ph.D. Natalia Petrovskaya

© N. Petróvskaya, 2007


My book "Fundamentals of the theory of flotation" is one of the few completely new theoretical books on flotation enrichment of minerals in the world. In the book is reviewed and analyzed the main processes occurring in the flotation system. My book presents all kinds of mineral flotation detail. Any other book about the flotation in the world doesn’t have this.

I tried to bring all of my industrial, university and scientific expertise in this book of the fairly compact volume (192 pages).

The book has a scientific novelty, and contains only the author's text and illustrations. In the book "Fundamentals of the theory of flotation" I present an affordable and popular form the quite complex theoretical issues, unlike many books of other authors on the subject, often overwrought by formulas and abstruse wording.

My book is intended for a broad category of scientists, specialists, professors and students.

TABLE OF CONTENTS
Flotation cell. Ph.D. Natalia Petrovskaya
Introduction
1. Fundamentals of flotation separation
1.1. General concepts of flotation separation (fragment) (fragment)
1.2. Varieties of flotation separation (fragment)
1.2.1. Variety of froth flotation
        Froth flotation
         Froth separation
          Electrolytic flotation (fragment)
          Chemical flotation
          Biochemical flotation (fragment)
          Vacuum flotation (fragment)
          Pressure flotation (fragment)
          Flotation by boiling water
          Flotation by waterfall      
1.2.2. Oil flotation
1.2.3. Film flotation (fragment)
1.2.4. Flotation by carrier (fragment)
1.2.5. Ionic flotation and molecular flotation (fragment)
1.3. Historical information of flotation separation
1.4. Sphere of using of flotation separation (fragment)
2. Main parts of the flotation system and characteristics of their interaction
2.1. Solid phase (fragment)
2.2. Gas phase
2.3. Liquid phase
2.4. Interaction of the liquid and gas phases
2.5. Interaction of the solid and gas phases
2.6. Interaction of the solid and liquid phases
2.7. Interaction of the phases of the polar liquid and nonpolar
3. Wettability of mineral surface
3.1. Contact angle
3.2. Contact angle of the chemically heterogene
ous surface
3.3. Equilibrium contact angle
3.4. Hysteretic contact angle
3.5. Selective contact angle
4. Processes in the flotation system
4.1. General concepts (fragment)
4.1.1. Evaluation of the use of thermodynamic analysis in flotation separation
4.1.2. Stages of flotation separation
4.2. Fundamentals of sorption of flotation reagents (fragment)
4.2.1. Varieties and forms sorption of reagents in the mineral surface
4.2.2. Sorption on the border of the solid and liquid phases
Surface connections
Three-dimensional connections (films)
Sorption in the double electric layer
4.3. Fundamentals of pulp aeration
4.3.1. General concepts
4.3.2. Aeration of pulp by air dispersion
Aeration of pulp by air dispersion by mechanical divices
Aeration of pulp by passing air through a porous barrier
4.3.3. Aeration of pulp by the bubbles that stood out from the water
Aeration of pulp by reducing the partial pressure of gas above the pulp and with the heating the pulp
Aeration of pulp by the electrolytic gas bubbles
Aeration of pulp by chemically formed gas bubbles
4.4. General regularities of motion of bubbles and particles
in a flotation system
4.4.1. Hydrodynamic processes in the flotation pulp
4.4.2. Floating up of gas bubbles in water (fragment)
4.4.3. Falling of mineral particles in water
4.5. Formation of the flotation complex
4.5.1. Main methods of formation of the flotation complex
Collision of particle with a bubble
Skimming of the particles across the surface of the bubble
Capture of particles by turbulent flow of water in the aft part
of the bubble
Diffusion of the particles to the surface of the bubble
Bubbling on the surface of the particle
4.5.2. Thermodynamic analysis of formation of the elementary flotation complex
4.5.3. Energy analysis of formation of the elementary flotation complex
4.6. General regularities of the rise of flotation complex to the surface
4.6.1. Terms of buoyancy of flotation complex
4.6.2. Main methods of destruction of flotation complex
4.6.3. Terms of preservation of flotation complex
4.6.4. Influence of hysteresis of the wetting to the preservation of f
lotation complex
4.7. Other processes in the flotation pulp
4.7.1. Mechanical removal of particles to the flotation foam
4.7.2. Coalescence of bubbles
4.7.3. Aggregation of particles in the pulp
4.8. Processes in the flotation foam
4.8.1. Two-phase foam
4.8.2. Three-phase foam
4.8.3. Main parameters of foam
4.9. Separation of the flotation products
5. Probability of flotation separation
References
Subject index

Fragments of the book:
Fundamentals of sorption of flotoreagents

The rate of rise of the bubble

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