An integrated detoxification process with electrodialysis and adsorption from the hemicellulose hydrolysates of yellow poplars

Lignocellulose biohydrogen: Practical challenges and recent progress

“…This application enables the user to regulate pH by separation of organic acids -formed as secondary metabolic products -from the culture media and hence prolong efficient hydrogen production activity. Technically, however, this integrated, electrokinetic detoxification could be an equally useful opportunity to discharge some of the poisonous materials loaded to the fermentation liquor with the pretreated (and hydrolyzed) biomass feedstock [63]. Even though separation of inhibitors from (pre-)hydrolysates is promising to subsequently obtain higher hydrogen fermentation efficiencies, it means an extra cost for the production.…”

Efficient approach for bioethanol production from red seaweed Gelidium amansii

“…However, acid pretreatment produces fermentation inhibitors that affect the growth of microorganisms and cause environmental pollution. Therefore, studies have focused on the removal of fermentation inhibitors in the bioethanol production process (Cavka and Jönsson, 2013;Lee et al, 2013;Trinh et al, 2014). Identifying an efficient method to produce fermentable sugars for each type of biomass without acid pretreatment is important.…”

Chemical Pretreatments of Wood Chips Prior to Alkaline Pulping - A Review of Pretreatment Alternatives, Chemical Aspects of the Resulting Liquors, and Pulping Outcomes

“…Moreover, adsorbent resins have been used to recover and concentrate phenolics from aqueous and synthetic solutions, and ion-exchange (anionic and cationic) resins have been utilized for the purification of lignocellulosic hydrolysates (Nilvebrandt et al 2001;Jeong et al 2014;Trinh et al 2014). Under defined conditions, the adsorption of phenolic compounds can be favored with respect to other compounds (such as carbohydrates) present in the solution.…”