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Drilling Fluids Manual Handbook; C... Author: Yuthia Aulia Riani. 104 downloads 984 Views 15MB Size. Report. Often referred to as “sewer gas” it occurs naturally in the earth in crude petroleum, natural gas reservoirs, volcanic gases and hot springs. phpa content discussion PHPA (partially hydrolysed polyacrylamide) is a polymer
- What is polyacrylamide (PAM)?
- Polyacrylamide (PAM) is a long chain, linear, water soluble polymeric substance formed from acrylamide (C 3 H 5 NO) subunits, has a high molecular weight of typically from few 1000 to 20 × 10 6 g/mol, and has a very high viscosity in aqueous solutions, depending on the concentration and the degree of polymerization (Sojka et al. 2007).
- Can cationic polyacrylamide emulsions with ultra-high concentration save transportation costs?
- Cationic polyacrylamide emulsions with ultra-high concentration (CPAME-uhc) can obviously save transportation costs, but their molecular weight, solubility, and temperature/salt resistance need to be further improved. Therefore, this study attempted to improve the molecular weight of CPAME-uhc by optimizing the preparation conditions.
- Can high molecular weight cationic polyacrylamides improve microalgae biomass recovery?
- Hence, small doses of high molecular weight cationic polyacrylamides can substantially enhance microalgae biomass recoveries from large-scale wastewater pond abundant in poorly-separable microalgae colonies . 3. Key challenges 3.1. Choosing an appropriate biomass recovery technology
- Why are cationic polyacrylamides used in microalgae culture?
- High charge density and high molecular weight linear cationic polyacrylamides typically offered superior harvesting efficiencies in various microalgae cultures by diminishing the electronegativity of cell surfaces and bridging between the cells to bring about aggregation.
