“Severalmaz” Company, Arkhangelsk, Russia:

Zaykov P. P., Head of Processing Plant No. 1 of Lomonosov Ore Dressing and Processing Enterprise
Samofalov Yu. L., Chief Dresser

“Almazintech – consultations and engineering” Company, Moscow, Russia:

Godun K. V., Deputy Chief Executive Officer, e-mail: godun@almazintech.ru
Olkhovskiy A. M., Chief Dresser

From 2006 till 2009, the specialists of “Almazintech – consultations and engineering” Company (Almazintech) particibated in technology researchings of kimberlite ores enrichment of Arkhangelskaya pipe.
In 2006, the specialists of Almazintech along with the members of Irgiredmet institute held a private testings of separate technological redivisions and complex testing of the whole technological scheme of processing plant No. 1. The researching range was also held, particularly: the researching of the spectral kinetic characteristics of luminescence of diamonds and associated materials of Arkhangelskaya pipe.
In 2008, Almazintech carried out the work on the kinetic decisions development on improvement perfection of beneficating technology. These decisions were directed on the liquidation of technological scheme lacks without the changing of dimention types of the basic and auxiliary existing equipment. The proposed decisions were succesfully realized in short notice.
In 2008, Almazintech held a measurment of an X ray fluorescence characteristics of deads of Arkhangelskaya pipe, along with the Bourevestnik Enterprise. On the basis of the results, there was proposed an introduction of last generation X ray fluorescence separators with more selective separetion factor.