+ Translate
+ Most Popular
Gaucher's disease;thirty-two years experience at Siriraj Hospital
A study of Macrobathra Meyrick from China (Lepidoptera, Cosmopterigidae)
First occurrence in ores of tetragonal chalcocite
Effects of trace element nutrition on sleep patterns in adult women
N.Z. range management guidelines. 2. Design of grazing management systems for tussock country
A case of lipoma of the esophagus
A revision of world Acanthosomatidae (Heteroptera: Pentatomidae): keys to and descriptions of subfamilies, tribes and genera, with designation of types
Life history of the coronate scyphozoan Linuche unguiculata (Swartz, 1788)
Perceptual restoration of obliterated sounds
Mutagenicity studies on two chromium(III) coordination compounds
The formation of the skeleton. I. Growth of a long bone. 1st appearance of a center of calcification
Leucopenia and abnormal liver function in travellers on malaria chemoprophylaxis
The joint commission: four key root causes loom large in sentinel event data
Treatment of vitiligo with topical 15% lactic acid solution in combination with ultra violet-A
Behaviour of dairy cows within three hours after feed supply: I. Influence of housing type and time elapsing after feed supply
Observations of the propagation velocity and formation mechanism of burst fractures caused by gunshot
Management and control of patients with type 2 diabetes mellitus in Lebanon: results from the International Diabetes Management Practices Study (IDMPS)
The diet composition and nutritional knowledge of patients with anorexia nervosa
Physoporella croatica Herak, 1958 of the Slovak karst Anisian (Slovakia, the West Carpathians Mts.)
Bright lights, big noise. How effective are vehicle warning systems?
Ein Plesiosaurier-Rest mit Magensteinen aus mittlerem Lias von Quedlinburg
Incidence of Chlamydia trachomatis in patients with sterility
Monster soup: the microscope and Victorian fantasy
Preliminary tests with residual sprays against poultry lice
Duration of the life of plants in phylogeny

Detoxification of lignocellulose hydrolysates with ion-exchange resins

Detoxification of lignocellulose hydrolysates with ion-exchange resins

Applied Biochemistry and Biotechnology 91-93: 35-49

ISSN/ISBN: 0273-2289

PMID: 11963864

Lignocellulose hydrolysates contain fermentation inhibitors causing decreased ethanol production. The inhibitors include phenolic compounds, furan aldehydes, and aliphatic acids. One of the most efficient methods for removing inhibiting compounds prior to fermentation is treatment of the hydrolysate with ion-exchange resins. The performance and detoxification mechanism of three different resins were examined: an anion exchanger, a cation exchanger, and a resin without charged groups (XAD-8). A dilute acid hydrolysate of spruce was treated with the resins at pH 5.5 and 10.0 prior to ethanolic fermentation with Saccharomyces cerevisiae. In addition to the experiments with hydrolysate, the effect of the resins on selected model compounds, three phenolics (vanillin, guaiacol, and coniferyl aldehyde) and two furan aldehydes (furfural and hydroxymethyl furfural), was determined. The cation exchanger increased ethanol production, but to a lesser extent than XAD-8, which in turn was less effective than the anion exchanger. Treatment at pH 10.0 was more effective than at pH 5.5. At pH 10.0, the anion exchanger efficiently removed both anionic and uncharged inhibitors, the latter by hydrophobic interactions. The importance of hydrophobic interactions was further indicated by a substantial decrease in the concentration of model compounds, such as guaiacol and furfural, after treatment with XAD-8.

Please choose payment method:

(PDF emailed within 1 workday: $29.90)

Accession: 045751953

Download citation: RISBibTeXText

Related references

Detoxification of lignocellulose hydrolysates with ion-exchange resins. Applied biochemistry and biotechnologyng 91(91-93): 35-49, 2001

Detoxification of dilute acid hydrolysates of lignocellulose with lime. Biotechnology Progress 17(2): 287-293, 2001

Treatment with lignin residue: a novel method for detoxification of lignocellulose hydrolysates. Applied Biochemistry and Biotechnology 98-100: 563-575, 2002

Limits for alkaline detoxification of dilute-acid lignocellulose hydrolysates. Applied Biochemistry and Biotechnology 105 -108: 615-628, 2003

Detoxification of Lignocellulose Hydrolysates: Biochemical and Metabolic Engineering Toward White Biotechnology. Bioenergy Research 6(1): 388-401, 2013

Molecular mechanisms of yeast tolerance and in situ detoxification of lignocellulose hydrolysates. Applied Microbiology and Biotechnology 90(3): 809-825, 2011

Optimal conditions for alkaline detoxification of dilute-acid lignocellulose hydrolysates. Applied Biochemistry and Biotechnology 129-132: 599-611, 2006

Improving the fermentability of enzymatic hydrolysates of lignocellulose through chemical in-situ detoxification with reducing agents. Bioresource Technology 102(2): 1254-1263, 2011

Fractionation of humus hydrolysates by ion exchange resins. Soil Sci 110: 86-92, 1970

Preparation of ACTH hydrolysates with ion exchange resins. Bollettino Della Societa Italiana di Biologia Sperimentale 30(6): 447-450, 1954

Utilization of ion exchange resins in preparation of therapeutic protein hydrolysates. Voprosy Meditsinskoi Khimii 2(3): 175-178, 1956

Isolation of nucleotides from pancreatic hydrolysates with the aid of domestic anion-exchange resins. Biokhimiia 23(1): 140-145, 1958

Quantification of Sugar Compounds and Uronic Acids in Enzymatic Hydrolysates of Lignocellulose Using High-Performance Anion Exchange Chromatography with Pulsed Amperometric Detection. Energy and Fuels 26(5): 2942-2947, 2012

Comparison of chromatographic ion-exchange resins IV. Strong and weak cation-exchange resins and heparin resins. Journal of Chromatography. A 1069(1): 65-77, 2005

Eucalyptus hydrolysate detoxification with activated charcoal adsorption or ion-exchange resins for xylitol production. Process Biochemistry 39(12): 1909-1912, 2004