Waste-containing clinkers: Valorization of alternative mineral sources from pulp and paper mills

被引：50

作者：

Simao, L. ^{[1
]}

Jiusti, J. ^{[1
]}

Loh, N. J. ^{[1
]}

Hotza, D. ^{[2
]}

Raupp-Pereira, F. ^{[1
,3
]}

Labrincha, J. A. ^{[4
]}

Montedo, O. R. K. ^{[1
]}

机构：

[1] Univ Extremo Sul Catarinense UNESC, Grp Pesquisa VALORA, PPGCEM, Ave Univ 1105,POB 3167, BR-88806000 Criciuma, SC, Brazil

[2] Univ Fed Santa Catarina, Dept Engn Quim EQA, BR-88040900 Florianopolis, SC, Brazil

[3] Univ Fed Santa Catarina, Dept Engn Mecan EMC, BR-88040900 Florianopolis, SC, Brazil

[4] Univ Aveiro, Dept Engn Ceram & Mat CICECO, Campus Univ Santiago, P-3810193 Aveiro, Portugal

来源：

PROCESS SAFETY AND ENVIRONMENTAL PROTECTION | 2017年 / 109卷

关键词：

Pulp and paper mill; Waste; Clinker; Recycling; Alternative materials; Valorization; LIME MUD; FLY-ASH; SLUDGE; INDUSTRY; CEMENT; REUSE; MANAGEMENT; STRENGTH;

D O I：

10.1016/j.psep.2017.03.038

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Waste streams generated from pulp and paper mills show high potential to be used as alternatives raw materials for production of clinker. In this context, this work aims to evaluate the use of such materials to obtain hydraulic binders, which are referred to as Ecoclinkers and Ecocements. Lime mud, wastewater treatment process sludge and biomass ashes were characterized, and five formulations (F1-F5) were developed by applying the Bogue equations. These compositions were processed at three different clinkering temperatures (1350, 1440 and 1455 degrees C). The formulated Ecoclinkers and a reference hydraulic binder were characterized by X-ray diffractometry to identify the crystalline phases, which were subsequently quantified by the Rietveld method. The results showed that crystalline phase characteristics of clinkers and cements, and compression strengths of similar to 20 MPa after 28 days curing time were obtained, confirming the potential use of the investigated waste as alternative materials for production of clinker. (c) 2017 Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved.

引用

页码：106 / 116

页数：11

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