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ECOLIB DIGITAL REPOSITORY is the institutional repository of National Research and Development Institute for Industrial Ecology ECOIND.
ECOLIB ensures preservation and management of documents and provides access to: articles of the ECOIND researchers published in national and international journals (full-paper/abstract), doctoral theses (abstract), conference and workshop papers, short description of the projects developed from 2006 till present, Proceedings of the International Symposium - Environment and Industry. The digital documents submitted in ECOLIB are indexed in Google Scholar.
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http://hdl.handle.net/123456789/896| Title: | Recovering coagulant from treating residual waters by dissolving hydroxide formed, residual and unused acid, adding and formaldehyde, washing aminoplast and reusing water | Other Titles: | Procedeu de recuperare a coagulantilor utilizati la tratarea apelor reziduale cu continut de coloranti | Authors: | Parmac, Sorin Buliga, A. Cruceru, Mihail Dumitrescu, Emil Costov, Ioan Ghiorghiu, G. |
Keywords: | Recovery;Coagulant;Wastewater | Issue Date: | 30-Aug-1985 | Abstract: | The hydroxides formed during coagulation in residual acidic waters, residual acids or unused acids are dissolved. Urea and HCHO are added to the resulting soln. heated to 40 deg.C. The aminoplast formed is washed. The washing waters obtd., together with those resulting from the condensation reaction of the resin, are used in the coagulation of the residual waters. |
Description: | Patent Assignee Name(s) and Code(s): INST EPURAREA APELO |
URI: | http://hdl.handle.net/123456789/896 |
| Appears in Collections: | Patents |
Files in This Item:
| File | Description | Size | Format | Existing users please |
|---|---|---|---|---|
| Documentatie~RO87226A.pdf | 24.74 kB | Adobe PDF | Request a copy | |
| ~RO87226A.pdf | 92.18 kB | Adobe PDF | Request a copy |
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