IIIrd World Aqua Congress, 02–04 Dec 2009 · Stein Auditorium, IHC New Delhi

1. The chair of the Technology of synthesis of Organic compounds & Environmental engineering of State Engineering University of Armenia, 105 Teryan, 375 009 Yerevan, Republic of Armenia, t. 374 10 581327, fax 74410 54 58 43, e-mail: gagiktorosyan@seua.am , gtorosyan@seua.am 2. Armenian State Economic University, Yerevan Armenia, 128 Nalbandyan, 0062 Yerevan, Republic of Armenia, ABSTRACT The role of Lake Sevan was, and still is, very important in the national economy of Armenia. The lake water is used for hydroelectric power generation and agricultural land irrigation.