Evaluation of increase at the production of keratinolytics enzymes
The beamhouse area in leather technology has a notable influence on the gaseous and liquid effluent because they have to satisfies discharge standards. The organic matter content and the presence of suspended solids in the liquid effluent greatly depend on the unhairing process used: the conventiona...
| Autores: | ; ; ; ; ; |
|---|---|
| Tipo de documento: | Artículo |
| Estado: | Published version |
| Fecha de publicación: | 2012 |
| País: | Argentina |
| Institución: | Consejo Nacional de Investigaciones Científicas y Técnicas |
| Repositorio: | CONICET Digital (CONICET) |
| Lenguaje: | Inglés |
| OAI Identifier: | oai:ri.conicet.gov.ar:11336/93911 |
| Acceso en línea: | http://hdl.handle.net/11336/93911 |
| Nivel de acceso: | Acceso abierto |
| Palabra clave: | Keratin Biodegradation Hair Waste Solid State Cultures https://purl.org/becyt/ford/2.9 https://purl.org/becyt/ford/2 |
| _version_ | 1878402998371090432 |
|---|---|
| author | Galarza, Betina Claudia |
| author2 | Cavello, Ivana Alejandra Garro, María Laura Gortari, Maria Cecilia Hours, Roque Alberto Cantera, Carlos |
| author2_role | author author author author author |
| author_browse | Cantera, Carlos Cavello, Ivana Alejandra Galarza, Betina Claudia Garro, María Laura Gortari, Maria Cecilia Hours, Roque Alberto |
| author_facet | Galarza, Betina Claudia Cavello, Ivana Alejandra Garro, María Laura Gortari, Maria Cecilia Hours, Roque Alberto Cantera, Carlos |
| author_role | author |
| collection | CONICET Digital (CONICET) |
| description | The beamhouse area in leather technology has a notable influence on the gaseous and liquid effluent because they have to satisfies discharge standards. The organic matter content and the presence of suspended solids in the liquid effluent greatly depend on the unhairing process used: the conventional hairburning unhairing, lime and sodium sulphidebased, give the maximum values for beamhouse pollution. Nowadays, conventional unhairing process<br />employing lime and sulphide contribute 50-60% of total pollution load in terms of biochemical oxygen demand (BOD), chemical oxygen demand (COD), total dissolved solids (TDS) and total suspended solids (TSS) besides a high alkaline effluent of 100%<br />toxicity. Hydrogen sulphide emanating from the unhairing process is proven to be fatal even<br />in concentrations as low as 200 ppm. The extensive use of hazardous sulphide not only<br />leads to unfavorable consequences for the environment but also undermines the efficacy<br />of the effluent treatment plants.<br />In the present work the enzimatic yields and proteic concentrations from crude extract of<br />Trichophyton ajelloi growth in solid state cultures and submerged cultivation in the presence of reducing agents were determined.<br /> |
| eu_rights_str_mv | openAccess |
| format | article |
| id | AR_2a2cc7fad01bf0cbcceaee1504eb97ea |
| identifier_str_mv | Galarza, Betina Claudia; Cavello, Ivana Alejandra; Garro, María Laura; Gortari, Maria Cecilia; Hours, Roque Alberto; et al.; Evaluation of increase at the production of keratinolytics enzymes; Asociación Química Española de la Industria del Cuero; Journal of Aqeic; 63; 3; 7-2012; 70-74 0365-5873 CONICET Digital CONICET |
| institution | Consejo Nacional de Investigaciones Científicas y Técnicas |
| instname_str | Consejo Nacional de Investigaciones Científicas y Técnicas |
| language | eng |
| network_acronym_str | AR |
| network_name_str | Argentina |
| oai_identifier_str | oai:ri.conicet.gov.ar:11336/93911 |
| publishDate | 2012 |
| publishDateSort | 2012 |
| publisher | Asociación Química Española de la Industria del Cuero |
| publisherStr | Asociación Química Española de la Industria del Cuero |
| reponame_str | CONICET Digital (CONICET) |
| spelling | Evaluation of increase at the production of keratinolytics enzymes Evaluación del incremento en la producción de enzimas queratinolíticas Galarza, Betina Claudia Cavello, Ivana Alejandra Garro, María Laura Gortari, Maria Cecilia Hours, Roque Alberto Cantera, Carlos Keratin Biodegradation Hair Waste Solid State Cultures https://purl.org/becyt/ford/2.9 https://purl.org/becyt/ford/2 The beamhouse area in leather technology has a notable influence on the gaseous and liquid effluent because they have to satisfies discharge standards. The organic matter content and the presence of suspended solids in the liquid effluent greatly depend on the unhairing process used: the conventional hairburning unhairing, lime and sodium sulphidebased, give the maximum values for beamhouse pollution. Nowadays, conventional unhairing process<br />employing lime and sulphide contribute 50-60% of total pollution load in terms of biochemical oxygen demand (BOD), chemical oxygen demand (COD), total dissolved solids (TDS) and total suspended solids (TSS) besides a high alkaline effluent of 100%<br />toxicity. Hydrogen sulphide emanating from the unhairing process is proven to be fatal even<br />in concentrations as low as 200 ppm. The extensive use of hazardous sulphide not only<br />leads to unfavorable consequences for the environment but also undermines the efficacy<br />of the effluent treatment plants.<br />In the present work the enzimatic yields and proteic concentrations from crude extract of<br />Trichophyton ajelloi growth in solid state cultures and submerged cultivation in the presence of reducing agents were determined.<br /> Fil: Galarza, Betina. Fil: Cavello, Ivana Alejandra. Fil: Garro, Laura. Fil: Gortari, Cecilia. Fil: Hours, Roque. Fil: Cantera, Carlos. Asociación Química Española de la Industria del Cuero http://hdl.handle.net/11336/93911 Galarza, Betina Claudia; Cavello, Ivana Alejandra; Garro, María Laura; Gortari, Maria Cecilia; Hours, Roque Alberto; et al.; Evaluation of increase at the production of keratinolytics enzymes; Asociación Química Española de la Industria del Cuero; Journal of Aqeic; 63; 3; 7-2012; 70-74 0365-5873 CONICET Digital CONICET |
| spellingShingle | Evaluation of increase at the production of keratinolytics enzymes Galarza, Betina Claudia Keratin Biodegradation Hair Waste Solid State Cultures https://purl.org/becyt/ford/2.9 https://purl.org/becyt/ford/2 |
| status_str | publishedVersion |
| title | Evaluation of increase at the production of keratinolytics enzymes |
| title_full | Evaluation of increase at the production of keratinolytics enzymes |
| title_fullStr | Evaluation of increase at the production of keratinolytics enzymes |
| title_full_unstemmed | Evaluation of increase at the production of keratinolytics enzymes |
| title_short | Evaluation of increase at the production of keratinolytics enzymes |
| title_sort | Evaluation of increase at the production of keratinolytics enzymes |
| topic | Keratin Biodegradation Hair Waste Solid State Cultures https://purl.org/becyt/ford/2.9 https://purl.org/becyt/ford/2 |
| topic_facet | Keratin Biodegradation Hair Waste Solid State Cultures https://purl.org/becyt/ford/2.9 https://purl.org/becyt/ford/2 |
| url | http://hdl.handle.net/11336/93911 |