Hamed Haghi

8 Questions 49 Answers 0 Followers

Questions related from Hamed Haghi

What is difference of point of zero charge (PZC) & Isoelectric point (IEP) in flotation and its application?

Hi dear all, As you it is clear, having good knowledge about PZC & IEP of valuable and waste minerals could lead to better results in selectivity of flotation! The point of zero charge (pzc)...

03 April 2021 6,950 2 View

Best advise for validity check and investigating reproducibility of purposed model versus real results of tests?

Dear colleagues, I have question about validation test and discussion about errors. I had a historical data design (HDD) and make and develop empirical equations for prediction of different...

11 October 2016 2,331 3 View

Request for published paper which is recognizing the best approach for chemical analysis of silica powder (ICP-OES; XRF or Chemical Analysis (CA))?

Dear colleagues, As you pretty know there are different methods for determination of chemical composition of silica powder (SiO2>= 97% and Al2O3

08 October 2016 4,322 3 View

What is the best way of irradiating transparent minerals like Silica in a multi-mode microwave?

Dear Colleagues; Is there anybody have a idea for treating and microwave irradiation of transparent minerals such as silica in multi-mode microwave (like conventional kitchen microwave)? Silica is...

13 May 2015 4,358 3 View

What is the best way for measuring contribution percent of variables (X1, X2, X3 and ....) in a regression model or response (Y)?

As we know, normally we use multivariate linear or non-linear regression in order to develop equation in our works such as Y=aX1+bX2+cX3+…; Normally we use ANOVA Table and calculate Sum of ...

20 April 2015 3,080 11 View

Is there any numerical relation between Kaolin Brightness and chemical analysis of kaolin especially coloring impurities such as MnO, TiO2; Fe2O3?

Whiteness and brightness of Kaolin are vital factors for relevant markets such as paper and ceramic industries. Is there any numerical relation between Brightness of Kaolin and chemical analysis...

18 December 2014 5,181 4 View

Is there any application of column flotation for processing fine Kaolin?

Normally Kaolin particles are finer than 10 microns which its processing using flotation can be difficult in some case. Is there any application of column flotation (reverse flotation) for...

05 July 2014 4,341 1 View

Is there any application of column flotation for processing fine Kaolin?

Normally Kaolin particles are finer than 10 microns which its processing using flotation can be difficult in some case. Is there any application of column flotation (reverse flotation) for...

06 June 2014 6,053 4 View