In connection with the increasingly cited statements attributed to certain politicians and public figures on the ecological dangers of the development of "Autumn", the company of ' andash mining ' company, which has a license to develop the deposit, found it necessary to provide clarification on this issue. Unlike many other fields, the Andaše will work at the concentration plant, UF will be gold and copper, with an interim product zolotomednyj concentrate. For the production of cyanide shall not apply. Cyanide used in gold extraction plants where built (ZIF) and produce ingots Dore-alloy of gold, silver and lead. Thus, all the fear of falling to the outside environment of cyanide from the factory of autumn are unfounded.
It should be reminded that the design documentation and EIA (environmental impact assessment) of the autumn 2006 "passed the State examination for industrial and environmental safety at the stage of feasibility study and stage technical project. Also, in accordance with the International Convention on the transboundary effects, EIA «Andaša» has received the endorsement of both governmental and non-governmental experts of the Republic of Kazakhstan. On the territory of a neighbouring State, public hearings were held.
In the preparation of the EIA was carried out extensive studies of the environment. Leading experts and researchers examined the CD State of soil, surface and groundwater, air, biodiversity, seismic and radiation environment. In particular, it was found that in the area of radiation background in norm (20-23 micro-Roentgen per hour), deposits of uranium in ores, all fears increased radiation and subsequent gene DNA mutations are groundless
Based on the research and technological tests of several arrangements of objects and ways of working were selected the best from the point of view of the environmental and social impacts. All objects will be mine 1.03% of the total land area of ayil okmotu by T.aidaraliev., where is located the deposit. This is predominantly pasture. The loss of these lands was compensated in accordance with the legislation of the Kyrgyz Republic (3.55 million soms, 2007, when land drainage, Gosregistr and paid Ajdaralievskomu ayil okmotu). In addition, the company has a plan to redevelop the deposit, i.e. a return to the original biosistemam.
In accordance with the technical project zolotomednogo concentrate production at the concentration plant makes use of modern technologies and equipment.
Extraction of ore on the quarry is rock way. The drilling works of explosives within the drilled into thicker hardwood wells, and charges explode lines broken in milliseconds. Such explosions to rock well razryhlâlas', remaining in place. They do not cause severe vibration and seismic vibrations. Therefore, do not constitute a threat to the security of houses near the village. Safe distance when conducting blasting is 650 meters, while the distance to s. Kopuro-Bazar-2300 mestrov, to the local cemetery – 2050 meters.
The ore is transported by road on a career with the factory. Here is a crushing, grinding and froth flotation of the ore-adds water and reagents. Because Andaše is only zolotomednyj concentrate, rather than pure gold, cyanides in production are used. 92% of the reactants remains in zolotomednom concentrate, which is deposited for later retrieval of copper and gold from the CD ... 8% of reagents is together with pul'poj in the tailings pond where heat and oxygen are the natural breakdown of connections for 6-11 months.
The tailing pond is a complex data structure. It provides protection against emergencies such as floods or mudslides. Around the tailings ponds constructed and drainage channels to catch rainwater flows. Ground tailings dam, and earthquakes it shrinks, it becomes denser and stronger. Inside the tailing pond lined with dead protivofil'tracionnymi multiple layers, including a particularly solid plastic sheets. The strength of this film is so high that it is even hard to break and Pierce Shilom. Water from the tailings is pumped back to the factory for reuse, which is released to the environment. Contents of tailings is actually a solid mass, so it cannot "break" or "leak".
The company already has the approval of the Government experts, however, soon intends to provide documentation for the international audit.
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