2. Hoang Thuong JS company - 563 - Tam Trinh- Hoang Mai - Hanoi 3. Ngoc Hai- Product and trade Ltd company- 520/2 Ha Huy Tap- 3. Ngoc Hai- Product and trade Ltd company- 520/2 Ha Huy Tap-
Gia Lam - Hanoi
7. Duration: (from 2008 to 2010 yeas) 8. Budget: 300.000.000 VND 8. Budget: 300.000.000 VND
* 9, Main results:
a. The main resuls in science and technology
1. The modification of bentonite at conditions HCl 5% have been obtained. The results showed that the maximum absorption of Mn^^ was 56,17% on The results showed that the maximum absorption of Mn^^ was 56,17% on bentonite - H .
2. The modification of pyroluzite at 800T was obtained. The results showed that the maximum absorption of Mn^^ was 70,39% when used the showed that the maximum absorption of Mn^^ was 70,39% when used the active Mn02.
3. have been completed of the fabric technology of the filtered material with the rado of bentonite : pyroluzite : adhesive : water = 1 : 2 : 1 : 0,5 the rado of bentonite : pyroluzite : adhesive : water = 1 : 2 : 1 : 0,5 4. have been fabricated 30 tons of filtered materials
5. have been fited 50 equipments to treat the manganese in the underground water for the families and 3 stations to treat the water of the enterprise. water for the families and 3 stations to treat the water of the enterprise. 6. Colaborated with 3 companies to using the filtered inaterial to treat the water
7. The concentrafions of Mn^^, Fe ^^ ions in the water after the treatment were less than < 0,5 mg/1. were less than < 0,5 mg/1.
b. Results in training:
* 02 graduate students * 03 teclinical workers * 03 teclinical workers
PHIEU DANG KY
KET QUA NGHIEN ClTU KHCN
Ten de d u a n ;
Hoan thien qui trinh san xu§t vat lieu loc va ihik bj xu ly Mangan trone nuoc
ngam qui mo ho gia d inh
Ma so: S X T - 0 8 - 0 1
Co quan chu tri de tai (hoac d y an): T r u o n g Dai hoc Khoa hoc Ty Nhien - DIIQH HN
Dja chi: 334 Nguyen Trai - T h a n h Xuan - Ha noi
Tel: 04 38584287
Co quan quan ly d y an: Dai hoc Quoc gia Ha noi
Dia chi: 144 D u o n g Xuan Thuy - Cau Giay - Ha noi
Tel: 38340564
Tong kinh phi thuc chi: 300.000.000 d ( Ba tram trieu don<i) Trong do: - Tu* ngan sach Nha nuoc: