Removal of organic matter present in wastewater of a pharmaceutical plant using a RBC (rotating biological contactor)

IF 0.3 4区环境科学与生态学 Q4 ENGINEERING, CIVIL

Tecnologia Y Ciencias Del Agua Pub Date : 2023-07-01 DOI:10.24850/j-tyca-14-04-07

Jorge Eliecer Velasco, Andrés Felipe Molano, Laura Pramparo

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Abstract

A RBC (Rotating Biological Contactor) system is a technology using a biological process by which microorganisms present in wastewater arefixed to partially-submerged parallel rotating discs forming a biofilm through bioaugmentation processes. This technology allows for the removal of contaminating organic matter from the water improving treatment processes. In this research work, a laboratory-scale RBC composed of four discs submerged approximately 40 % in a volume of 1 l (0.001 m3) was used for the purpose of reducing high levels of COD and BOD contained in the wastewater of a pharmaceutical plant with the aid of two different microbial consortiums. An initial characterization of COD and BOD of the wastewater sample was carried out in order to compare with six samples obtained from the reactor in operation. A maximum COD removal of 2 560 mg O2/l was obtained which, although very high, is beyond of the permissible limits allowed by Colombian law ( ordinance 0631 of 2015) but is significant because it represents an efficient removal percentage of 99.67 % with respect to the values obtained at the initial characterization

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利用RBC(旋转生物接触器)去除制药厂废水中的有机物

RBC(旋转生物接触器)系统是一种使用生物过程的技术，通过生物强化过程将废水中的微生物固定在部分浸没的平行旋转圆盘上形成生物膜。该技术允许从水中去除污染的有机物质，改善处理过程。在这项研究工作中，一个实验室规模的RBC由四个盘组成，在1l (0.001 m3)的体积中淹没约40%，用于在两种不同的微生物财团的帮助下降低制药厂废水中含有的高水平COD和BOD。对废水样品的COD和BOD进行了初步表征，以便与运行中的反应器获得的6个样品进行比较。获得的最大COD去除率为2560mg O2/l，虽然非常高，但超出了哥伦比亚法律(2015年第0631号法令)允许的限值，但意义重大，因为相对于初始表征时获得的值，它代表了99.67%的有效去除率

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来源期刊

Tecnologia Y Ciencias Del Agua ENGINEERING, CIVIL-WATER RESOURCES

CiteScore

0.60

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Published by the Mexican Institute of Water Technology, Water Technology and Sciences (Tecnología y ciencias del agua) is a highly specialized journal which reflects two important characteristics: The interdisciplinary nature of its articles and notes. The international scope of its authors, editors, reviewers, and readers. It constitutes the continuity of the journal Irrigación en México (Irrigation in Mexico) (1930-1946); Ingeniería hidráulica en México (Hydraulic Engineering in Mexico) (1947-1971); Recursos hidráulicos (Hydraulic Resources) (1972-1978), and Ingeniería hidráulica en México, second period (1985-2009). The journal is aimed at researchers, academics, and professionals who are interested in finding solutions to problems related to the water. The journal’s contents are interdisciplinary and contain previously unpublished articles and notes that offer original scientific and technological contribution that are developed in the fields of knowledge related to the following disciplines: Water and energy. Water quality. Hydro-agricultural sciences. Political and social science. Water management. Hydrology. Hydraulics.