THE ELECTRIC ACTIVE STARCH FLOCCULATION OF PROTEIN AND ITS DEGRADATION PRODUCTS IN LEATHER EFFLUENTS
Journal Title: Revista de Pielărie Încălţăminte - Year 2016, Vol 16, Issue 2
Abstract
There is a large amount of protein or its degradation products in leather effluents, which are difficult to deal with, such as NH3-N and SS (suspended solids), etc., so it is significant to remove all the protein residues in effluents and reduce the content of pollutants. This experiment simulates the main effluent compositions which contained protein and its degradation products, and then handled with electrochemical assisted starch flocculate to reduce the content of protein residues in effluents, whilst decreasing the value of COD and BOD. Based on experiment results and the DPS statistical software analysis, the optimal conditions to remove the protein residues would be obtained, among 2.5 g/L protein degradation products, 5 g/L starch content, 5 g/L chloride ion concentration and 20 min electrolysis time, respectively, under which the best removal rate is 36.17%. The flocculation was analyzed by Fourier transform infrared spectroscopy (FTIR), nanoparticle size potential analyzer (Zeta analyzer) and atomic force microscopy (AFM), and then presumed the removal mechanism of the protein residues in effluents.
Authors and Affiliations
Rui LI, Yuzeng WANG, Zhihua SHAN
Keywords
Related Articles
- EP ID EP533565
- DOI -
- Views 127
- Downloads 0
EXPERIMENTAL STUDY ON DIFFERENT CHARACTERISTICS OF PLANTAR PRESSURE DISTRIBUTION IN DIFFERENT SPORTS SHOES
This paper studies the effects of sports shoes in improving people’s exercise capacity and preventing sports injuries, and by performing gait (0.8m/s), jogging (1.5m/s) and moderate-speed running (2.3m/s) tests on athlet...
STATISTICAL-MATHEMATICAL PROCESSING OF ANTHROPOMETRIC FOOT PARAMETERS AND ESTABLISHING SIMPLE AND MULTIPLE CORRELATIONS. PART 2: CORRELATIONS AMONG ANTHROPOMETRIC PARAMETERS OF THE FOOT
Footwear manufacturing based on suitable lasts and appropriate sizes is possible, using the results obtained from anthropometric measurements. The construction of the last, the establishment of dimensions required to mee...
PERFORMANCES OF A POLYSILICON BYPRODUCT - SILICON TETRACHLORIDE - ON SWELLING AND TANNING PROCESS
Sodium silicate was prepared with a polysilicon byproduct-silicon tetrachloride. The swelling property of the sodium silicate was then investigated including proteoglycan removing ability, silicon absorptivity, relative...
POLYAMIDE/POLYETHYLENE/GRAPHITE NANOCOMPOSITES: DEVELOPMENT AND MORPHO-STRUCTURAL AND PHYSICAL-MECHANICAL CHARACTERISATION
This paper presents the development of bipolymer nanopolymers - polyamide and polyethylene - compatibilised with polyethylene-graft-maleic anhydride and graphite nanoparticles. Polyamide/polyethylene (PA/PE) composites a...
PRACTICAL ASPECTS OF IMPLEMENTATION OF QUALITY MANAGEMENT SYSTEM REQUIREMENTS FOR THE MEDICAL FOOTWEAR DESIGN
A quality management system in place and functioning can be certified by a neutral body, third party, that certifies compliance of the design process of the medical footwear to the reference specifications in this field....