Oxicrew   The purpose of this article is to evaluate the effectiveness of the ozone technology. In this case study, an ozone unit was inserted after a chemical scrubber. Odour samples were taken before the scrubbing, after the scrubber (and before the ozone unit), and after the whole set of abatement. Very high efficiencies were found.

   To this end, a test was carried out treating with ozone a part of the flow of a chimney in an animal by-products processing plant. The report of the VOCs and odours analysis laboratory confirmed the test success.

E. González*, J. Mínguez

   Oxicrew S.L. *comercial@oxicrew.com

rincon   This document presents the information required by the Colombian environmental regulator as a requirement for a production system that has to do with the thermal treatment of animal by-products, specifically the tallow used for the production of solid soap of the company JABONES EL TIGRE Y LA ROCA S.A.

   For the elaboration of the study, an evaluative research methodology has been used with the purpose of evaluating the effectiveness of the system of control of atmospheric emissions by absorption in water with the scrubber of the company. Initially, the obligations imposed by the national authorities are identified through the regulations defined by the Ministry of the Environment and Sustainable Development.

J.E. Rincón1*, B.I. Delgado2, E.G. Pinilla3

1. Student Chemistry. Last term, University of Francisco José de Caldas.
2. Plant chemical engineer, MsC Chemistry, University of Francisco José de Caldas.
3. General Manager, Jabones El Tigre y Roca S.A.

sauco   The generation of odours in a WWTP is usually caused by the presence of hydrogen sulphide (H2S). This gas, moreover, is responsible for the deterioration of the facilities’ materials and involves a health hazard for plant operators. Currently there are several alternatives that allow decreasing the impact of odours associated with H2S.

   This paper presents some techniques focused on management of odours in WWTPs as a result of the experience of DAM as WWTP Manager: experiences of removal of H2S in collectors, deodorization of a WWTP by the injection of confined air in the anoxic biological reactor of the sludge line, studies at pilot scale for the application of a TECNIUM’s biofilter percolator, a photo-ionization for the treatment of air streams, and ozone plus ultrasound for the treatment of liquid streams.

L. Sauco1, J.E Sánchez-Ramírez1 ,L. Pastor1, E. Morales1, S. Doñate1, L. Otegi2

1 Depuración de aguas del mediterráneo (DAM). Dpto I+D+i. Av Benjamín franklin 21- 46980 Valencia-España (Paterna). Tel: 902.881.510 – www.dam-aguas.es. Email: lidia.sauco@dam-aguas.es

2 Tecnium-Casals Cardona Ind. S.A.- Calle Ferrán Casablancas, 24. 08243 Manresa (Barcelona). Tel: 93.874.84.80 – www.tecnium.es. Email: tecnium@tecnium.es

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