WFRF:(Granlöf Lars)
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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 02742naa a2200301 4500 | |
| 001 | oai:DiVA.org:ri-9553 | |
| 003 | SwePub | |
| 008 | 160912s2014 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:ri:diva-95532 URI |
| 040 | a (SwePub)ri | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a kon2 swepub-publicationtype |
| 100 | 1 | a Athley, Karinu RISE,Innventia4 aut |
| 245 | 1 0 | a Optimizing the benefit of retention chemicals |
| 264 | 1 | c 2014 |
| 338 | a print2 rdacarrier | |
| 520 | a Pre-flocculation of filler has been tested as a concept for improving the retention of filler and the strength properties of the sheet. The impact of the size of the filler floes on the mechanical retentionin a fibre network was investigated using a modified laboratory hand sheet former. The mechanical retention was found to increase linearly with both particle size and grammage of the fibre web. These results were confirmed in a full scale production trial on the FEX pilot paper machine at Innventia. Here different filler floe sizes were created through different chemical pre-flocculation strategies. The particle size in the flow to the headbox was measured with FBRM, and a linear relation between particle size and filler retention was found. Corresponding linear relation was seen in a pilot trial when adding filler and retention aid conventionally. This implies that mechanical retention constitute an important part of the filler retention not only upon pre-flocculation but also with conventional addition of filler and retention aid. Thus, the particle size before the headbox can be a good indicator of the retention level. For the conventional application of a two component retention aid system, the increased filler retention correlated to impaired formation and decreased sheet strength. On the contrary, pre-flocculation led to an increase in both sheet strength and filler retention, demonstrating the advantage of pre-flocculating filler. | |
| 650 | 7 | a NATURVETENSKAPx Kemix Organisk kemi0 (SwePub)104052 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Chemical Sciencesx Organic Chemistry0 (SwePub)104052 hsv//eng |
| 650 | 7 | a TEKNIK OCH TEKNOLOGIERx Materialteknikx Pappers-, massa- och fiberteknik0 (SwePub)205032 hsv//swe |
| 650 | 7 | a ENGINEERING AND TECHNOLOGYx Materials Engineeringx Paper, Pulp and Fiber Technology0 (SwePub)205032 hsv//eng |
| 700 | 1 | a Granlöf, Larsu RISE,Innventia4 aut0 (Swepub:ri)larsgr@ri.se |
| 700 | 1 | a Söderberg, Danielu RISE,Innventia4 aut |
| 700 | 1 | a Ström, Göranu RISE,Innventia4 aut |
| 710 | 2 | a RISEb Innventia4 org |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:ri:diva-9553 |
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