ASTM D5511 PDF

More D Biodegradation of plastics could allow for the safe disposal of these plastics through aerobic and anaerobic solid-waste-treatment plants. This procedure has been developed to permit the determination of the rate and degree of anaerobic biodegradability of plastic products when placed in a high-solids anaerobic digester for the production of digestate from municipal solid waste. However, it is expected to resemble the environment of a high-solids anaerobic-digestion process operated under optimum conditions.

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More D Biodegradation of plastics could allow for the safe disposal of these plastics through aerobic and anaerobic solid-waste-treatment plants. This procedure has been developed to permit the determination of the rate and degree of anaerobic biodegradability of plastic products when placed in a high-solids anaerobic digester for the production of digestate from municipal solid waste.

However, it is expected to resemble the environment of a high-solids anaerobic-digestion process operated under optimum conditions. More specifically, the procedure is intended to create a standard laboratory environment that will permit a rapid and reproducible determination of the anaerobic biodegradability under high-solids digestion conditions. Scope 1. The test materials are exposed to a methanogenic inoculum derived from anaerobic digesters operating only on pretreated household waste.

Reports shall clearly state the percentage of net gaseous carbon generation for both the test and reference samples at the completion of the test.

Furthermore, results shall not be extrapolated past the actual duration of the test. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

Specific hazards are given in Section 8.

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ASTM D5511 PDF

More D Scope 1. The test materials are exposed to a methanogenic inoculum derived from anaerobic digesters operating only on pretreated household waste. This test method may also resemble some conditions in biologically active landfills where the gas generated is recovered and biogas production is actively promoted by inoculation for example, codeposition of anaerobic sewage sludge, anaerobic leachate recirculation , moisture control for example, leachate recirculation , and temperature control for example, short-term injection of oxygen, heating of recirculated leachate 5, 6, 7. Reports shall clearly state the percentage of net gaseous carbon generation for both the test and reference samples at the completion of the test. Furthermore, results shall not be extrapolated past the actual duration of the test. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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More D Scope 1. The test materials are exposed to a methanogenic inoculum derived from anaerobic digesters operating only on pretreated household waste. This test method also resembles other anaerobic conditions where the gas generated is recovered and biogas production is actively promoted by inoculation for example, codeposition of anaerobic sewage sludge, anaerobic leachate recirculation , moisture control for example, leachate recirculation , and temperature control for example, short-term injection of oxygen, heating of recirculated leachate 5, 6, 7. Reports shall clearly state the percentage of net gaseous carbon generation for both the test and reference samples at the completion of the test. Furthermore, results shall not be extrapolated past the actual duration of the test.

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ASTM D5511

Nir Link to Active This link will always route to the current Active version of the standard. Note 1—This test method is equivalent to ISO Reports shall clearly state the percentage of net c carbon generation for both the test and reference samples at the completion of the test. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. The molar weight of the total gas produced by the test samples is calculated and compared to the carbon weight of the original samples and the percent biodegradation of the samples can then be determined. This test method also resembles other anaerobic conditions where the gas generated is recovered and biogas production is actively promoted by inoculation for example, codeposition of anaerobic sewage sludge, anaerobic leachate recirculationmoisture control for example, leachate recirculationand temperature control for example, short-term injection of oxygen, heating of recirculated leachate 5, 6, 7. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

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