The potential use of anoxygenic phototrophic bacteria for treating latex rubber sheet wastewater

Kantachote, Duangporn; Torpee, Salwa; Umsakul, Kamontam

doi:10.2225/vol8-issue3-fulltext-8

Cited by 80 publications

(59 citation statements)

References 13 publications

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“…In a biogas reactor set, after pre-treating a sulfide medium with Alcaligenes sp. T307 there was a much higher specific yield of CH 4 There are numerous latex rubber factories in southern Thailand and anaerobic treatment, particularly in lagoons, is the most commonly used process for treating their wastewater (Kantachote et al 2005). The anaerobic wastewater system provides many advantages such as, a low cost operation with high efficiency and also with the possibility of producing a useful energy source biogas; however, sulfide is generated during anaerobic treatment of high sulfate wastewater, a characteristic of wastewater from rubber factories.…”

mentioning

confidence: 99%

Selection of sulfur oxidizing bacterium for sulfide removal in sulfate rich wastewater to enhance biogas production

Kantachote¹,

Charernjiratrakul²,

Noparatnaraporn³

et al. 2008

Electron. J. Biotechnol.

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There are numerous latex rubber factories in southern Thailand and anaerobic treatment, particularly in lagoons, is the most commonly used process for treating their wastewater (Kantachote et al. 2005). The anaerobic wastewater system provides many advantages such as, a low cost operation with high efficiency and also with the possibility of producing a useful energy source biogas; however, sulfide is generated during anaerobic treatment of high sulfate wastewater, a characteristic of wastewater from rubber factories. An advanced system such as the sulfate reduction reactor (SRR) has been used to treat sulfate rich rubber wastewater from processes of concentrated latex and skim crape (Tekasakul and Tekasakul, 2006). However, high sulfide levels are produced due to sulfate being used as a terminal electron acceptor in anaerobic respiration. The SRR is a step to reduce sulfate concentration in wastewater prior to transferring the wastewater to an UASB (upflow anaerobic sludge blanket) for obtaining biogas as a byproduct. Nevertheless, biogas produced from both the SRR and the UASB do not meet the standard of biogas composition because of their high contaminations of H 2 S. Therefore, the biogas was burnt to remove the very toxic and corrosive H 2 S gas that has a very low odor threshold of 1 µg L -1 (Oyarzun et al. 2003). Hence, introducing one more step to convert sulfide to sulfur by partial oxidation instead of by completely oxidizing it to sulfate could be an interesting alternative method for solving this problem. It is realized that levels of sulfide oxidation are dependent on oxygen concentration (Gonzalez Sanchez et al. 2005). It has long been recognized that bacteria able to oxidize reduced sulfur compounds can be used to remove contaminating *Corresponding author H 2 S, from either treated wastewater or gaseous systems (Sublette et al. 1998;Cha et al. 1999;Kleerebezem and Mendez, 2002;Chung et al. 2003). Removal of H 2 S from any SRR effluent, would greatly improve the economics of the process, particularly if this could be achieved microbiologically. It is therefore of importance to select a microbe that can grow well at ambient temperatures and neutral pH and oxidize sulfide to sulfur in wastewater. Our previous studies have reported on the potential use of a Thiobacillus sp. for treating latex rubber sheet wastewater (Kantachote and Innuwat, 2004). Hence, this work is focused on the isolation and identification of a bacterium able to oxidize sulfide to sulfur in sulfate rich wastewater to achieve our goal of obtaining a better and more efficient production of biogas during the treatment of wastewater from rubber manufacturing plants. MATERIALS AND METHODS Isolation and selection of a sulfide oxidizing bacteriumStrains of Thiobacillus sp. were isolated from sulfide rich wastewater samples collected from rubber factories in southern Thailand using a thiobacillus isolation medium named thiosulfate mineral salts medium (thiosulfate MSM). The medium composition in 1L of distilled water is 2.0 g KNO 3 , 1.0...

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mentioning

confidence: 99%

Selection of sulfur oxidizing bacterium for sulfide removal in sulfate rich wastewater to enhance biogas production

Kantachote¹,

Charernjiratrakul²,

Noparatnaraporn³

et al. 2008

Electron. J. Biotechnol.

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“…Rhodopseudomonas bacteria (strain DK6) can metabolites latex rubber sheet wastewater. DK6 is most closely allied to Rhodopseudomonas blastica (Kantachote et al, 2005) and removes carbon from the wastewater but needs added fixed nitrogen as ammonia or amino acids. Rhodopseudomonas DK6 can reduce very high BOD and COD loads.…”

Section: Rhodopseudomonas Palustrismentioning

confidence: 99%

“…Rhodopseudomonas broke down 37% of the total solid, 16% of the protein and 12% of the lipid. Rhodopseudomonads can digest some organic materials ignored by most organisms: for example Rhodopseudomonas bacteria (strain DK6) can metabolise latex rubber sheet wastewater (Kantachote et al, 2005). DK6 is most closely allied to R. blastica (Kantachote, et al, 2005) and removes organic carbon from the latex wastewater but needs added fixed nitrogen such as ammonia or amino acids.…”

Section: Anaerobic Fermentation 431 Comparison Of the Optimum Condimentioning

confidence: 99%

“…Rhodopseudomonads can digest some organic materials ignored by most organisms: for example Rhodopseudomonas bacteria (strain DK6) can metabolise latex rubber sheet wastewater (Kantachote et al, 2005). DK6 is most closely allied to R. blastica (Kantachote, et al, 2005) and removes organic carbon from the latex wastewater but needs added fixed nitrogen such as ammonia or amino acids. The R. palustris strain used in the present study (CGA009) is capable of fixing nitrogen but there are many strains of Rhodopseudomonads that have a limited capacity to fix-N 2 .…”

Section: Anaerobic Fermentation 431 Comparison Of the Optimum Condimentioning

confidence: 99%

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Breakdown of food waste by anaerobic fermentation and non-oxygen producing photosynthesis using a photosynthetic bacterium

Mekjinda

Ritchie

2015

Waste Management

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“…Esse produto pode ser utilizado como aditivo em ração animal, objetivando-se fins zootécnicos, pigmentantes ou antioxidantes (Kantachote et al, 2005;Santo et al, 2013). Na produção animal intensiva, os produtos, sejam ovos, frangos ou peixes, não apresentam as mesmas cores quando comparados aos originados de animais criados em seu ambiente natural.…”

Section: Introductionunclassified

Desempenho, sanidade animal e qualidade de filés de tilápias alimentadas com ração suplementada com biomassa bacteriana

Santo

Grassi

Marcos

et al. 2016

Arq. Bras. Med. Vet. Zootec.

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A aquicultura moderna é um dos setores de produção de alimentos que mais cresce no mundo. A tilápia, além de possuir grandes vantagens produtivas, origina produtos com grande aceitação pelo mercado. Em sua nutrição, podem ser utilizados aditivos com finalidades zootécnicas, pigmentantes ou antioxidantes. Este estudo objetivou avaliar o efeito da suplementação da dieta de tilápias com biomassa de Rubrivivax gelatinosus sobre o desempenho zootécnico e a saúde dos animais (histologia e hematologia) e sobre as características de qualidade dos filés (pH, composição químico-bromatológica, cor e rancidez). O experimento contou com seis tratamentos, compostos de um grupo controle, sem aditivos, um grupo contendo pigmentante comercial e quatro grupos com a biomassa nas concentrações de 175, 350, 700 e 1400mg/kg. Peixes pesando 21,42±5,65g foram criados por 74 dias em sistema com recirculação de água e, posteriormente, foram abatidos para a realização das análises. Não foram encontradas diferenças para os resultados das análises de desempenho, histológicas e hematológicas. Os filés dos grupos alimentados com os aditivos apresentaram menor umidade que o grupo controle, e os filés dos grupos alimentados com biomassa apresentaram as maiores teores proteicos. Não houve diferenças entre os tratamentos para os valores de pH, lipídeos e cinzas. Quanto à cor dos filés, todos os tratamentos com aditivos aumentaram a intensidade de vermelho. Em todos os tratamentos, a rancidez dos filés foi crescente durante o armazenamento, embora em menores valores nos filés dos grupos tratados com as maiores concentrações de biomassa. A biomassa de R. gelatinosus não promoveu alterações no desempenho nem na saúde animal e mostrou-se capaz de melhorar os aspectos de qualidade e conservação dos filés.

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The potential use of anoxygenic phototrophic bacteria for treating latex rubber sheet wastewater

Cited by 80 publications

References 13 publications

Selection of sulfur oxidizing bacterium for sulfide removal in sulfate rich wastewater to enhance biogas production

Selection of sulfur oxidizing bacterium for sulfide removal in sulfate rich wastewater to enhance biogas production

Breakdown of food waste by anaerobic fermentation and non-oxygen producing photosynthesis using a photosynthetic bacterium

Desempenho, sanidade animal e qualidade de filés de tilápias alimentadas com ração suplementada com biomassa bacteriana

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