Acute toxicity assessment of TFT-LCD wastewater using Daphnia similis and Cyprinus carpio

Ya Ching Lee; Liang Ming Whang; Minh Huy Ngo; Te Hao Chen; Hai Hsuan Cheng

doi:10.1016/j.psep.2016.03.003

Acute toxicity assessment of TFT-LCD wastewater using Daphnia similis and Cyprinus carpio

Ya Ching Lee, Liang Ming Whang, Minh Huy Ngo, Te Hao Chen, Hai Hsuan Cheng

Department of Environmental Engineering

Research output: Contribution to journal › Article › peer-review

15 Citations (Scopus)

Abstract

Biotoxicity tests are considered methods to assess toxicity of substances or complex mixtures of industrial wastewater effluents. In this study, Daphnia similis and Cyprinus carpio were used to examine the acute toxicity of thin-film transistor liquid crystal display (TFT-LCD) wastewater effluents in Taiwan. Among examined effluents, 67% were found to be toxic to D. similis and 27% were toxic to C. carpio. The biotoxicity of TFT-LCD wastewater effluents might be due to the presence of tetra-methyl ammonium hydroxide (TMAH), since 48-h lethal concentration 50 (LC₅₀) of TMAH to D. similis was found only 0.75 mg/L. The acute toxicity of NH₄ ⁺-N to D. similis varied with 48-h LC₅₀ values of 18.5 mg/L at pH 7.0 and 155 mg/L at pH 6.5. The obtained results of this study indicated that NO₃ ⁻-N, SO₄ ²⁻, Cl⁻ and heavy metals were not the major concerns in TFT-LCD wastewater effluents regarding acute toxicity.

Original language	English
Pages (from-to)	499-506
Number of pages	8
Journal	Process Safety and Environmental Protection
Volume	104
DOIs	https://doi.org/10.1016/j.psep.2016.03.003
Publication status	Published - 2016 Nov 1

All Science Journal Classification (ASJC) codes

Environmental Engineering
Environmental Chemistry
General Chemical Engineering
Safety, Risk, Reliability and Quality

Access to Document

10.1016/j.psep.2016.03.003

Cite this

@article{5c7b4792cb294bfea507a4145683ace7,

title = "Acute toxicity assessment of TFT-LCD wastewater using Daphnia similis and Cyprinus carpio",

abstract = "Biotoxicity tests are considered methods to assess toxicity of substances or complex mixtures of industrial wastewater effluents. In this study, Daphnia similis and Cyprinus carpio were used to examine the acute toxicity of thin-film transistor liquid crystal display (TFT-LCD) wastewater effluents in Taiwan. Among examined effluents, 67% were found to be toxic to D. similis and 27% were toxic to C. carpio. The biotoxicity of TFT-LCD wastewater effluents might be due to the presence of tetra-methyl ammonium hydroxide (TMAH), since 48-h lethal concentration 50 (LC50) of TMAH to D. similis was found only 0.75 mg/L. The acute toxicity of NH4 +-N to D. similis varied with 48-h LC50 values of 18.5 mg/L at pH 7.0 and 155 mg/L at pH 6.5. The obtained results of this study indicated that NO3 −-N, SO4 2−, Cl− and heavy metals were not the major concerns in TFT-LCD wastewater effluents regarding acute toxicity.",

author = "Lee, {Ya Ching} and Whang, {Liang Ming} and Ngo, {Minh Huy} and Chen, {Te Hao} and Cheng, {Hai Hsuan}",

note = "Funding Information: The authors would like to acknowledge the financial support from the Ministry of Science and Technology of Taiwan under Grant NSC 102-2221-E-006-007-MY3 , the Ministry of Education of Taiwan under grant for the Top University Project to the National Cheng Kung University, and partially financial support from the Innolux Corporation . Publisher Copyright: {\textcopyright} 2016 Institution of Chemical Engineers",

year = "2016",

month = nov,

day = "1",

doi = "10.1016/j.psep.2016.03.003",

language = "English",

volume = "104",

pages = "499--506",

journal = "Process Safety and Environmental Protection",

issn = "0957-5820",

publisher = "Institution of Chemical Engineers",

}

TY - JOUR

T1 - Acute toxicity assessment of TFT-LCD wastewater using Daphnia similis and Cyprinus carpio

AU - Lee, Ya Ching

AU - Whang, Liang Ming

AU - Ngo, Minh Huy

AU - Chen, Te Hao

AU - Cheng, Hai Hsuan

N1 - Funding Information: The authors would like to acknowledge the financial support from the Ministry of Science and Technology of Taiwan under Grant NSC 102-2221-E-006-007-MY3 , the Ministry of Education of Taiwan under grant for the Top University Project to the National Cheng Kung University, and partially financial support from the Innolux Corporation . Publisher Copyright: © 2016 Institution of Chemical Engineers

PY - 2016/11/1

Y1 - 2016/11/1

N2 - Biotoxicity tests are considered methods to assess toxicity of substances or complex mixtures of industrial wastewater effluents. In this study, Daphnia similis and Cyprinus carpio were used to examine the acute toxicity of thin-film transistor liquid crystal display (TFT-LCD) wastewater effluents in Taiwan. Among examined effluents, 67% were found to be toxic to D. similis and 27% were toxic to C. carpio. The biotoxicity of TFT-LCD wastewater effluents might be due to the presence of tetra-methyl ammonium hydroxide (TMAH), since 48-h lethal concentration 50 (LC50) of TMAH to D. similis was found only 0.75 mg/L. The acute toxicity of NH4 +-N to D. similis varied with 48-h LC50 values of 18.5 mg/L at pH 7.0 and 155 mg/L at pH 6.5. The obtained results of this study indicated that NO3 −-N, SO4 2−, Cl− and heavy metals were not the major concerns in TFT-LCD wastewater effluents regarding acute toxicity.

AB - Biotoxicity tests are considered methods to assess toxicity of substances or complex mixtures of industrial wastewater effluents. In this study, Daphnia similis and Cyprinus carpio were used to examine the acute toxicity of thin-film transistor liquid crystal display (TFT-LCD) wastewater effluents in Taiwan. Among examined effluents, 67% were found to be toxic to D. similis and 27% were toxic to C. carpio. The biotoxicity of TFT-LCD wastewater effluents might be due to the presence of tetra-methyl ammonium hydroxide (TMAH), since 48-h lethal concentration 50 (LC50) of TMAH to D. similis was found only 0.75 mg/L. The acute toxicity of NH4 +-N to D. similis varied with 48-h LC50 values of 18.5 mg/L at pH 7.0 and 155 mg/L at pH 6.5. The obtained results of this study indicated that NO3 −-N, SO4 2−, Cl− and heavy metals were not the major concerns in TFT-LCD wastewater effluents regarding acute toxicity.

UR - http://www.scopus.com/inward/record.url?scp=84961221641&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84961221641&partnerID=8YFLogxK

U2 - 10.1016/j.psep.2016.03.003

DO - 10.1016/j.psep.2016.03.003

M3 - Article

AN - SCOPUS:84961221641

SN - 0957-5820

VL - 104

SP - 499

EP - 506

JO - Process Safety and Environmental Protection

JF - Process Safety and Environmental Protection

ER -

Acute toxicity assessment of TFT-LCD wastewater using Daphnia similis and Cyprinus carpio

Abstract

All Science Journal Classification (ASJC) codes

Access to Document

Other files and links

Fingerprint

Cite this