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IN SITU CHEMICAL REDUCTION FOR REMEDIATION OF SOIL CONTAINING CHLORINATED PESTICIDES AND HERBICIDES
Pare, J. | Smart Remediation, 11, March, Edmonton, Alberta, Canada, 2020
This presentation gives an overview of the chemistry involved in the in situ chemical reduction (ISCR) of organochlorine pesticides (or herbicides) using DARAMEND® ISCR reagents, followed by case studies and cost analyses from two completed applications. The keys to this remedial approach are the composition of the soil amendment and the application of repeated and sequential anoxic and then oxic conditions to the contaminated matrix. The patented (US Patent 6,083,394) products are composed of plant-fiber-based organic material and microscale elemental iron, which can be supplemented with sulfate in the form of alkaline earth salts. The soil amendment typically is applied at dosages of between 0.4% and 4% w/w, which cause very little increase in soil volume following treatment. https://2ziapbmm3zh1x23mj335vjxt-wpengine.netdna-ssl.com/wp-content/uploads/2019/10/SMART-Remediation-Calgary-2020-Jean-Pare.pdf
This presentation gives an overview of the chemistry involved in the in situ chemical reduction (ISCR) of organochlorine pesticides (or herbicides) using DARAMEND® ISCR reagents, followed by case studies and cost analyses from two completed applications. The keys to this remedial approach are the composition of the soil amendment and the application of repeated and sequential anoxic and then oxic conditions to the contaminated matrix. The patented (US Patent 6,083,394) products are composed of plant-fiber-based organic material and microscale elemental iron, which can be supplemented with sulfate in the form of alkaline earth salts. The soil amendment typically is applied at dosages of between 0.4% and 4% w/w, which cause very little increase in soil volume following treatment. https://2ziapbmm3zh1x23mj335vjxt-wpengine.netdna-ssl.com/wp-content/uplo
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