id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cet-13798		cet-13798		6	.pdf	application/pdf	3637	176	51	Figure 1: Decolourization over time with different sugar content for AC dosages of 0.6 g / 100 ml in (a) and different AC dosages with dilutions to 30 Brix in (b) 0 10 20 30 40 50 60 70 80 90 100 76% 80% 84% 88% 92% 96% C ol ou r R em ov ed Time / min 16 Brix 20 Brix 30 Brix 40 Brix 0 10 20 30 40 50 60 70 80 90 100 50% 55% 60% 65% 70% 75% 80% 85% 90% 95% C ol ou r R em ov ed Time / min 0.1 g AC / 100 ml 0.3 g AC / 100 ml 0.6 g AC / 100 ml 0.8 g AC / 100 ml (a) (b) 357 Table 1: Equilibrium time for several dilutions and AC dosages Dilution Equilibrium time / min Colour removed at equilibrium AC dosage / g/100ml Equilibrium time / min Colour removed at equilibrium 16 Brix 10 92 % 0.1 60 69 % 20 Brix 20 93 % 0.3 30 82 % 30 Brix 30 87 % 0.6 30 87 % 40 Brix 60 92 % 0.8 5 94 % 3.2 Decolourization Obtained curves for decolourization with different AC dosages show only a slight difference between different dilutions, as presented in Figure 2. Freundlich isotherm in (b) Table 3: Langmuir and Freundlich parameters Dilution Langmuir Freundlich 𝑞𝑞𝑚𝑚𝑚𝑚𝑚𝑚 / IU·g-1 𝐾𝐾𝐿𝐿 / IU-1 R2 𝐾𝐾𝑓𝑓 / g-1 𝑟𝑟𝑓𝑓 R2 16 Brix -2821 -3.62·10-23 0.9783 2.754 1.391 0.9590 20 Brix -2849 -3.52·10-03 0.9829 1.877 1.467 0.9729 30 Brix -14122 -5.93·10-04 0.9873 7.608 1.038 0.9851 40 Brix -35404 -3.06·10-04 0.9979 9.611 1.034 0.9978 4. Conclusions Decolourization by AC adsorption proved to be a highly suitable method.	cache/cet-13798.pdf	txt/cet-13798.txt