Thaønh phaàn vi sinh vaät
tham gia vaøo quaù trình
xöû lyù nöôùc thaûi
Chöông 4
CN. Phạm Thị Minh Thu
TS. Lê Quốc Tuấn
Khoa Môi trường và Tài nguyên
Đại học Nông Lâm TP. HCM
Giới thiệu chung về vi khuẩn
•Là nhóm sinh vật tiền nhân đơn bào.
•Có 3 dạng chính: cầu khuẩn, xoắn khuẩn
và trực khuẩn.
•Tham gia vào quá trình xử lí nước thải thì
người ta phân ra làm các nhóm: hiếu khí và
kị khí và tùy nghi
Một số loại vi khuẩn và chức năng của chúng
STT vi khuẩn Chức năng
1PSEUSOMONAS Thủy phân carbonhydrate, Protein, các
chất hữu cở và khử Nitrate
2ARTHROBACTER Phân hủy Hidratcacbon
3BACILUS Phân hủy carbonhydrate, Protein
4CYTOPHAGA Phân hủy Polymer
5ZOOGLE Tạo màng nhầy, chất keo tụ
6NITROSOMONAS Nitrite hóa
7NITROBACTER Nitrate hóa
8NITROCOCUS
DENITRIFICANS
Khử Nitrate
9DESULFOVIBRIO Khử Sulphate, Khử Nitrate
Hình dạng vi khuẩn thường gặp
Cấu trúc tế bào
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