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Đề tài Nghiên cứu hấp phụ một số thuốc nhuộm trên đá ong biến tính Tác giả Nguyễn Thị Linh Trang

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ĐOBT

ĐOTN

CNaCl Ccb

Bảng 3.20. Ảnh hưởng của nồng độ muối NaCl đến khả năng hấp phụ xanh metylen

Lần 1 Lần 2 Lần 3

q

(mg/L) (mg/g)

H%

Ccb

q

(mg/L) (mg/g)

H%

Ccb

q

(mg/L) (mg/g)

H%

qTB SD Htb

0 15,716 7,22 69,67 16,565 7,01 67,91 15,389 7,025 69,537 7,09 0,979 69,042

1 14,376 7,50 72,29 14,833 7,40 71,38 14,964 7,254 70,793 7,38 0,757 71,489

5 12,775 7,65 74,97 12,676 7,54 74,84 12,513 7,797 75,701 7,66 0,464 75,171

10 13,820 7,35 72,68 14,605 7,37 71,60 14,572 7,202 71,191 7,31 0,767 71,824

50 14,114 7,37 72,31 14,016 7,40 72,54 14,180 7,267 71,930 7,35 0,307 72,260

75 14,670 7,35 71,48 14,768 7,15 70,77 13,657 7,411 73,070 7,30 1,180 71,771

100 16,239 6,97 68,22 17,578 6,76 65,78 16,467 6,901 67,695 6,88 1,287 67,233

0 33,592 3,65 35,18 33,101 3,71 35,88 33,297 3,444 34,086 3,60 0,906 35,050

1 34,278 3,52 33,94 34,376 3,49 33,67 35,225 3,202 31,248 3,40 1,482 32,952

5 34,703 3,27 32,01 34,931 3,23 31,65 34,735 3,352 32,549 3,28 0,454 32,068

10 33,918 3,33 32,94 33,167 3,65 35,51 34,049 3,307 32,685 3,43 1,563 33,714

50 34,408 3,31 32,50 34,703 3,27 32,01 33,657 3,372 33,374 3,32 0,692 32,627

75 34,343 3,42 33,23 34,343 3,23 32,02 34,114 3,320 32,730 3,32 0,608 32,657

100 35,683 3,08 30,18 33,330 3,61 35,11 34,637 3,267 32,049 3,32 2,492 32,446

57

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