Effects of Bioavailable Cadmium on Anaerobic Systems
The research objective was to develop a correlation between bioavailable cadmium (Cd) and toxicity in anaerobic systems. Toxicity assays were performed with acetate-using methanogens in serum bottles. The bioavailable, free dissolved Cd was measured at the end of the experiments after separation in...
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| Veröffentlicht in: | Water environment research 1995-11, Vol.67 (7), p.1092-1094 |
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| container_title | Water environment research |
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| creator | Bhattacharya, Sanjoy K. Leslie, Robert E. Madura, Richard L. |
| description | The research objective was to develop a correlation between bioavailable cadmium (Cd) and toxicity in anaerobic systems. Toxicity assays were performed with acetate-using methanogens in serum bottles. The bioavailable, free dissolved Cd was measured at the end of the experiments after separation in cation-exchange resin inside dialysis bags placed in the cadmium-spiked serum bottle samples at the end of the experiments. Measured free soluble Cd showed a good correlation with inhibition of gas production. Up to 0.09 mg/L caused ≤5% inhibition, whereas concentrations of 0.12 mg/L and higher showed >90% inhibition. Measured total soluble cadmium failed to show a good correlation with inhibition of gas production. Systems with total suspended solids (TSS) exceeding 2 400 mg/L showed less inhibition than systems with TSS of approximately 1 400 mg/L. However, when bioavailable Cd was less than 0.09 mg/L, systems with the lower TSS showed little inhibition even with spiked Cd concentrations as high as 100 mg/L. |
| doi_str_mv | 10.2175/106143095X133347 |
| format | Article |
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Toxicity assays were performed with acetate-using methanogens in serum bottles. The bioavailable, free dissolved Cd was measured at the end of the experiments after separation in cation-exchange resin inside dialysis bags placed in the cadmium-spiked serum bottle samples at the end of the experiments. Measured free soluble Cd showed a good correlation with inhibition of gas production. Up to 0.09 mg/L caused ≤5% inhibition, whereas concentrations of 0.12 mg/L and higher showed >90% inhibition. Measured total soluble cadmium failed to show a good correlation with inhibition of gas production. Systems with total suspended solids (TSS) exceeding 2 400 mg/L showed less inhibition than systems with TSS of approximately 1 400 mg/L. However, when bioavailable Cd was less than 0.09 mg/L, systems with the lower TSS showed little inhibition even with spiked Cd concentrations as high as 100 mg/L.</description><identifier>ISSN: 1061-4303</identifier><identifier>EISSN: 1554-7531</identifier><identifier>DOI: 10.2175/106143095X133347</identifier><language>eng</language><publisher>Alexandria, VA: Water Environment Federation</publisher><subject>ANAEROBIC TREATMENT ; BIOAVAILABILITY ; Biodegradation of pollutants ; Biological and medical sciences ; Biotechnology ; Bottles ; CADMIUM ; COMPLEXATION ; Dialysis ; Environment and pollution ; Freshwater ; Fundamental and applied biological sciences. Psychology ; Heavy metals ; Industrial applications and implications. 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Toxicity assays were performed with acetate-using methanogens in serum bottles. The bioavailable, free dissolved Cd was measured at the end of the experiments after separation in cation-exchange resin inside dialysis bags placed in the cadmium-spiked serum bottle samples at the end of the experiments. Measured free soluble Cd showed a good correlation with inhibition of gas production. Up to 0.09 mg/L caused ≤5% inhibition, whereas concentrations of 0.12 mg/L and higher showed >90% inhibition. Measured total soluble cadmium failed to show a good correlation with inhibition of gas production. Systems with total suspended solids (TSS) exceeding 2 400 mg/L showed less inhibition than systems with TSS of approximately 1 400 mg/L. However, when bioavailable Cd was less than 0.09 mg/L, systems with the lower TSS showed little inhibition even with spiked Cd concentrations as high as 100 mg/L.</description><subject>ANAEROBIC TREATMENT</subject><subject>BIOAVAILABILITY</subject><subject>Biodegradation of pollutants</subject><subject>Biological and medical sciences</subject><subject>Biotechnology</subject><subject>Bottles</subject><subject>CADMIUM</subject><subject>COMPLEXATION</subject><subject>Dialysis</subject><subject>Environment and pollution</subject><subject>Freshwater</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Heavy metals</subject><subject>Industrial applications and implications. 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Psychology</topic><topic>Heavy metals</topic><topic>Industrial applications and implications. Economical aspects</topic><topic>METALS</topic><topic>Nickel</topic><topic>Research Papers</topic><topic>Resins</topic><topic>Sewage sludge</topic><topic>Sulfides</topic><topic>Water pollution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bhattacharya, Sanjoy K.</creatorcontrib><creatorcontrib>Leslie, Robert E.</creatorcontrib><creatorcontrib>Madura, Richard L.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Pollution Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Water environment research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bhattacharya, Sanjoy K.</au><au>Leslie, Robert E.</au><au>Madura, Richard L.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of Bioavailable Cadmium on Anaerobic Systems</atitle><jtitle>Water environment research</jtitle><date>1995-11</date><risdate>1995</risdate><volume>67</volume><issue>7</issue><spage>1092</spage><epage>1094</epage><pages>1092-1094</pages><issn>1061-4303</issn><eissn>1554-7531</eissn><abstract>The research objective was to develop a correlation between bioavailable cadmium (Cd) and toxicity in anaerobic systems. Toxicity assays were performed with acetate-using methanogens in serum bottles. The bioavailable, free dissolved Cd was measured at the end of the experiments after separation in cation-exchange resin inside dialysis bags placed in the cadmium-spiked serum bottle samples at the end of the experiments. Measured free soluble Cd showed a good correlation with inhibition of gas production. Up to 0.09 mg/L caused ≤5% inhibition, whereas concentrations of 0.12 mg/L and higher showed >90% inhibition. Measured total soluble cadmium failed to show a good correlation with inhibition of gas production. Systems with total suspended solids (TSS) exceeding 2 400 mg/L showed less inhibition than systems with TSS of approximately 1 400 mg/L. However, when bioavailable Cd was less than 0.09 mg/L, systems with the lower TSS showed little inhibition even with spiked Cd concentrations as high as 100 mg/L.</abstract><cop>Alexandria, VA</cop><pub>Water Environment Federation</pub><doi>10.2175/106143095X133347</doi><tpages>3</tpages></addata></record> |
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| source | Jstor Complete Legacy |
| subjects | ANAEROBIC TREATMENT BIOAVAILABILITY Biodegradation of pollutants Biological and medical sciences Biotechnology Bottles CADMIUM COMPLEXATION Dialysis Environment and pollution Freshwater Fundamental and applied biological sciences. Psychology Heavy metals Industrial applications and implications. Economical aspects METALS Nickel Research Papers Resins Sewage sludge Sulfides Water pollution |
| title | Effects of Bioavailable Cadmium on Anaerobic Systems |
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