Biological treatability of dairy wastewaters

Kinetic Analysis on Cell Growth and Biosynthesis of Poly (3-Hydroxybutyrate) (PHB) in Cupriavidus Necator H16

“…Studies done by Rogers and Wu [9] suggested the use of enhanced biological phosphorus removal (EBPR) in activated sludge to give a yield of 50% PHA content under aerobic and anaerobic condition Cheese whey is another type of solid waste that can be used for PHA synthesis. As a by-product of dairy industry, it is considered as a pollutant due to its high content of [10]. In a study done by Pandian et al [11] a yield of up to 11.32 g/L of PHB dry weight was obtained by using this dairy waste as their main substrate.…”

Biotechnological Utilization with a Focus on Anaerobic Treatment of Cheese Whey: Current Status and Prospects

“…The effluents of the first category have low organic loads and are usually treated onsite in suitable aerobic treatment units. Although the volume of CW accounts for about 1/3 of the total effluents, it has high organic load (high concentrations of COD and BOD) making it too polluted for its direct disposal on land or in water resources to be allowed [2][3][4][5][6][7]. Treatment of wastewaters coming from cheese factories and mainly CW, is based on physicochemical and/or biological methods.…”

Performance Evaluation of a UASB Reactor Using Dairy Wastes

“…Their treatment efficiency in terms of pollution reduction is highly acknowledged (Hulshoff 1986;Schellinkhout 1993). However, treatability performance of the UASB reactor, using actual highly alkaline dairy mill wastes at the mesophilic temperature range still seems to be not convincing enough because the results from available studies do not precisely indicate the effects of the organic loading rate (OLR) and the hydraulic retention time (HRT) on COD reduction and biogas yield in the kinds of wastewater studied (Orhon 1993;Ozturk 1992). Therefore, this specific study was conducted in a single-stage UASB reactor, by using actual dairy mill effluent.…”