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Tramfloc - Model 903 -Precipitant/Detoxifier-Stabilizer
TramflocE 903 is a liquid organic compound formulated to serve as a: PRECIPITANT - for the removal of heavy metals from process wastewaters, ground waters, and other polar solvents; and DETQXIFIER-STAB1LIZER - for the detoxification and stabilization of heavy metals in contaminated soils, sludges, ashes, sediments and other solids. Tramfloc£ 903 is a polythiocarbonate, an organic sulfur polymer of the basic molecular formula: CS3-H-. (CAS #128578-22-3, CAS Name: Hydropolysulfide, carbonothioylbis-,disodium salt.) TramflocE 903 is essentially non-toxic.
Tramfloc 903 as a Precipitating Reagent
As a precipitant for removing heavy metals from process wastewaters, TramflocE 903 reacts with metallic ions to form organo-metallic precipitates (thiocarbonates/sulfides) of extreme low solubility. The result is the near total removal of metals from waste streams - even in the presence of complexing/ chelating agents.
TramflocE 903 can be used over a wide pH range; that is, it is not pH dependent. Tramfloc5 903 will simultaneously precipitate ALL metals in solution and produce a stabilized by-product (sludge). Tramfloc~ 903 can also be used as a "polishing" agent, after pH adjustment, to precipitate the remaining ionic metals (chelated or complexed) which will not precipitate as hydroxides during pH adjustment.
The particles formed by the TramflocE 903 reaction are very dense and may require coagulation to assist in their removal from solution. M-25, a polyquaternary amine polymer, is recommended for this coagulation process. The high density of TramflocE 903 precipitate generates less sludge when compared to metallic hydroxide or carbamate sludges. The Tramfloc2 903 by-product is also extremely stable and meets TCLP stabilization requirements.
Tramfloc 903 as a Detoxification/Stabilization Reagent
Tramfloc^ 903, upon contact with metals in contaminated soils, sludges, ash and sediment, reduces multiple valence metals to their lowest valence state, and renders all metals insoluble as stable, nontoxic, organo-metallic complexes. They will not leach under either acidic (TCLP) or alkaline conditions. These compounds are not hazardous nor toxic and, in fact, are similar to their common metallic forms in nature, which maintain and increase their stability over time. Tramfloc~ 903 is effective for both in-situ and ex-situ applications.
