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Sustainable Chemical Processes

Table 1 Physical and chemical characteristics of residual lignin

From: Environmental assessment of residues generated after consecutive acid-base pretreatment of sugarcane bagasse by advanced oxidative process

Parameters

Characteristics

Standards*

True color (PtCo)

3621.33

Absent

Turbidity (NTU)

50.8

Absent

pH

7 – 8

5 – 9

COD (mg/L O2)

5870.25

8

BOD (mg/L O2)

169

60

COD/BOD

0.03

-

TOC (mg/L)

2053.0

-

Total Phenol (mg/L)

10.64

0.5

  1. *Effluents standards in hybrid bodies - Article 18 [31] and [32] respectively. (-) Unspecified.
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