Results 21 to 30 of about 190,292 (240)
The effect of polyelectrolyte on drainage and soda-AQ pulp strength of rice straw [PDF]
تحقیقات علوم چوب و کاغذ ایران, 2014 In this study, rice straw as an abundant and cheap raw material selected to produce soda - anthraquinone pulp. Nano fiber Cellulose of rice straw were added to improve the pulp strength after cationing.
Hadi Hasanjanzadeh +2 more
doaj +1 more source
Study on instability mechanism of KCl/PHPA drilling waste fluid
Open Physics, 2023 The KCl/PHPA waste drilling fluid is produced during drilling operations in Bohai Oilfield, China, which cannot be directly used or discharged, it needs to be flocculated.
Guo Xiaoxuan +6 more
doaj +1 more source
Effect of cationic poly acrylamide - nano bentonite system on retention, drainage and properties of recycled paper from OCC [PDF]
تحقیقات علوم چوب و کاغذ ایران, 2014 Bio and synthetic polymers; micro and recently nano particles have been applied in wet end section of papermaking industry. Very special attention is focused toward their advantages for controlling the process variables and improving the product quality ...
Hossein Jalali trshizy +3 more
doaj +1 more source
STABILITY OF METAL OXIDE SUSPENSION IN THE CATIONIC POLYACRYLAMIDE PRESENCE [PDF]
, 2018 The stability of metal oxide aqueous suspension in the cationic polyacrylamide (PAM) presence was examined. For this purpose the turbidimetry method was applied.
Malgortza WISNIEWSKA +15 more
core +1 more source
Molecules, 2022 Polyacrylamide has promising applications in a wide variety of fields. However, conventional polyacrylamide is prone to hydrolysis and thermal degradation under high temperature conditions, resulting in a decrease in solution viscosity with increasing ...
Xianwen Song +6 more
doaj +1 more source
Recovery of kaolinite from tailings of Zonouz kaolin-washing plant by flotation-flocculation method
Journal of Materials Research and Technology, 2018 The traditional processing of kaolin is achieved by dispersion of the mined ore and classification by multistage hydrocyclone plants. The inefficiencies inherent to cyclones produce a middling product that is commonly disposed back into the quarry.
Kianoush Barani, Masoud Kalantari
doaj +1 more source
Polímeros, 2013 Hemicelluloses were extracted from corn husk and converted into cationic hemicelluloses using 2,3-epoxypropyltrimethylammonium chloride. The degree of substitution was determined as 0.43 from results of elemental analysis.
Alan Soares Landim +7 more
doaj +1 more source
Effects of surfactants on the improvement of sludge dewaterability using cationic flocculants. [PDF]
PLoS ONE, 2014 The effects of the cationic surfactant (cationic cetyl trimethyl ammonium bromide, CTAB) on the improvement of the sludge dewaterability using the cationic flocculant (cationic polyacrylamide, CPAM) were analyzed.
Yongjun Sun +6 more
doaj +1 more source
JISR on Computing, 2022 In a world where potable water is just about to run dry, it is necessary to introduce new technologies and methods of solar-based water purification systems.
Muhammad Shehram
doaj +1 more source
R116C mutation of cationic trypsinogen in a Turkish family with recurrent pancreatitis illustrates genetic microheterogeneity of hereditary pancreatitis [PDF]
, 2001 Hereditary pancreatitis is due to heterozygosity for gain-of-function mutations in the cationic trypsinogen gene which result in increased levels of active trypsin within pancreatic acinar cells and autodigestion of the pancreas.
Dertinger, S. +5 more
core +1 more source