Next Article in Journal
Drinking Water Quality and Occurrence of Giardia in Finnish Small Groundwater Supplies
Next Article in Special Issue
The Influence of Diesel Fuel Subsidies and Taxes on the Potential for Solar-Powered Hybrid Systems in Africa
Previous Article in Journal
Resource Targets in Europe and Worldwide: An Overview
Previous Article in Special Issue
From Goals to Action: The Efforts for Increasing Energy Efficiency and Integration of Renewable Sources in Eskilstuna, Sweden
Article Menu

Export Article

Open AccessArticle
Resources 2015, 4(3), 621-636; doi:10.3390/resources4030621

An Innovative Device to Convert Olive Mill Wastewater into a Suitable Effluent for Feeding Purple Non-Sulfur Photosynthetic Bacteria

1
Istituto per lo Studio degli Ecosistemi, Sede di Firenze, Consiglio Nazionale delle Ricerche, Polo Scientifico, Sesto Fiorentino 50019, Firenze, Italy
2
Istituto per i Processi Chimico-Fisici, Consiglio Nazionale delle Ricerche, Unità di Pisa, Via Moruzzi 1, Pisa 56126, Italy
3
Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali (INSTM) c/o Dipartimento di Ingegneria Civile e Industriale, Università degli Studi di Pisa, Pisa 56126, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Damien Giurco
Received: 6 June 2015 / Revised: 28 July 2015 / Accepted: 12 August 2015 / Published: 19 August 2015
(This article belongs to the Special Issue Alternative Energy Sources in Developing and Developed Regions)
View Full-Text   |   Download PDF [1203 KB, uploaded 19 August 2015]   |  

Abstract

A device (prototype) with a working volume of 200 L was used to deplete olive mill wastewater (OMW) of polyphenols. The OMW transformed into feedstock by means of the device was then used for feeding a lab-scale photobioreactor, just for testing the production of bioH2. The main novelty of this prototype consists in the combination of several adsorbent matrices and the exploitation of their synergic action. In this investigation, three matrices have been used: active carbon, Azolla and zeolite. The device was operated at an olive oil company located in the heart of the Chianti zone (Province of Florence, Italy). The efficiency of polyphenol removal obtained using the device was ≥96%. The multi-matrix effluent (MMeff) generated was then used to obtain three different culture broths containing 25%, 50% and 100% of MMeff, respectively. The diluted (with water) culture broths were suitable for hydrogen generation, with the highest hydrogen production rate (12.7 mL H2/Lculture/h) being obtained using 50% MMeff. The hydrogen yields were: 334 mL H2/L of MMeff, when feeding the photofermenter with pure effluent (100%); 1308 mL H2/L of MMeff, with the half-diluted effluent (50%, v/v); and 432 mL H2/L of MMeff, with the highest-diluted effluent (25%, v/v). View Full-Text
Keywords: olive mill wastewater; pretreatment; dephenolization; adsorbent matrices; feedstock; hydrogen photo-production; Rhodopseudomonas palustris olive mill wastewater; pretreatment; dephenolization; adsorbent matrices; feedstock; hydrogen photo-production; Rhodopseudomonas palustris
Figures

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

Scifeed alert for new publications

Never miss any articles matching your research from any publisher
  • Get alerts for new papers matching your research
  • Find out the new papers from selected authors
  • Updated daily for 49'000+ journals and 6000+ publishers
  • Define your Scifeed now

SciFeed Share & Cite This Article

MDPI and ACS Style

Carlozzi, P.; Padovani, G.; Cinelli, P.; Lazzeri, A. An Innovative Device to Convert Olive Mill Wastewater into a Suitable Effluent for Feeding Purple Non-Sulfur Photosynthetic Bacteria. Resources 2015, 4, 621-636.

Show more citation formats Show less citations formats

Related Articles

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
Resources EISSN 2079-9276 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top