A composite microbial system (XDC-2) was used to pretreat and hydrolyze corn stalk to enhance anaerobic digestion. The results of pretreatment indicated that sCOD concentrations of hydrolysate were highest (8,233 mg/l) at the fifth day. XDC-2 efficiently degraded the corn stalk by nearly 45%, decreasing the cellulose content by 22.7% and the hemicellulose content by 74.1%. Total levels of volat...

The microwave enhanced advanced oxidation process (MW/H2O2-AOP) aided with dilute sulfuric acid was applied in a two-stage treatment of dairy manure for nutrient release, solids reduction, and reducing sugar production. A much higher hydrogen peroxide dosage (1.2 g H2O2/g TS) was used in Stage 2 than that in Stage 1 (0.38 g H2O2/g TS). Most of the reducing sugar was produced in Stage 1, and onl...

Extending a human presence in the solar system requires in-situ resource recycling. Entrapped Mixed Microbial Cell (EMMC) process may be considered an alternative to achieving this aim. The intent of this investigation is to develop an operational criteria, process performance and economic evaluation to meet NASA needs. A double-layer EMMC configuration bioreactor of 7L at a packing ratio of 17...

Moringa is a genus with many applications; some of these applications can be linked to their use in traditional medicine and as source nutrients, traditionally, species have been used for water purification. Many studies conducted assess the different One that extensively studied M. Oleifera because its wide geographical distribution. There are limited on peregrina due distribution, it native A...

This study investigated the potential benefit of co-digesting sewage sludge (SS) and settled/mixed fat, oil, grease (FOG) with BioAmp pretreatment, a bio-additive product, for utility. was found to increase soluble chemical oxygen demand (SCOD)/COD ratio FOG (from 4.19 4.49), consequently enhancing volatile solid (VS) reduction 75.9 84.8%). The SS co-digestion based on their actual daily produc...

Using microbubble ozonation (MO) technique to disintegrate sludge is a promising treatment process. To enhance the lysis and reduction of sludge, catalytic consisting MO sewage derived char (SC) were combined. Total solids (TS), volatile (VS), total nitrogen phosphate (TN TP) selected as main parameters for evaluating performance both in supernatant. With utilization MO, ozone largely improved....

The effect of organic loading, season and plant species on the treatment of fish farm effluent was tested using three-year old mesocosm wetland systems. During one year, nine 1 m2 mesocosms (horizontal subsurface flow), located in a controlled greenhouse environment, were fed with a reconstituted fish farm effluent containing a high fraction of soluble components (1,600 microS/cm and in mg/L: 2...

This work examined how adding one of three polyelectrolyte flocculants (T3052: cationic, T2000: non-ionic, and T1052: anionic) affected the anaerobic digestion of wastewater sludge. Methane production, floc characteristics (morphology and zeta-potential) and process parameters (soluble chemical oxygen demands (SCODs) and reductive potentials) were monitored along the digestion tests. The digest...

The objective of the study was to examine the application of the Anaerobic Digestion Model No. 1 (ADM1) developed by the IWA task group for mathematical modelling of anaerobic process. Lab-scale temperature-phased anaerobic digestion (TPAD) process were operated continuously, and were fed with co-substrate composed of dog food and flour. The model platform implemented in the simulation was a de...