Simple recycling of biowaste eggshells to various calcium phosphates for specific industries

Abstract Egg consumption is very high throughout the world and with it comes enormous amount of waste eggshells. To reduce and utilize these wastes, eggshell wastes were simply transformed to low- or high-purity calcium carbonate grades by washing, crushing, and drying to use as raw materials for pr...

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Autores principales:	Nongnuch Laohavisuti, Banjong Boonchom, Wimonmat Boonmee, Kittichai Chaiseeda, Somkiat Seesanong
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/80aa6544403d4b2c8d3bf575c8b6eab6
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spelling	oai:doaj.org-article:80aa6544403d4b2c8d3bf575c8b6eab62021-12-02T16:24:52ZSimple recycling of biowaste eggshells to various calcium phosphates for specific industries10.1038/s41598-021-94643-12045-2322https://doaj.org/article/80aa6544403d4b2c8d3bf575c8b6eab62021-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-94643-1https://doaj.org/toc/2045-2322Abstract Egg consumption is very high throughout the world and with it comes enormous amount of waste eggshells. To reduce and utilize these wastes, eggshell wastes were simply transformed to low- or high-purity calcium carbonate grades by washing, crushing, and drying to use as raw materials for producing highly valuable calcium phosphate products. Low-purity calcium carbonate grade was used to prepare triple superphosphate for using in fertilizer industry, whereas high-purity calcium carbonate grade was used to produce dicalcium phosphate dihydrate, monocalcium phosphate monohydrate, and tricalcium phosphate for using in mineral feed and food additive industries. All calcium phosphate samples obtained by simple, rapid, cheap, and environmentally safe method using eggshells and phosphoric acid were identified and their structural phases and impurities were determined by XRF, XRD and FTIR techniques. Thermal behaviors of raw materials and the prepared calcium phosphates excepted tricalcium phosphate were investigated by TG/DTG techniques. The methodologies described here will be useful to manage eggshells by converting them to highly valuable products, which can solve eggshell wastes problem from industries and communities. This finding supports the viewpoint of zero waste operation to produce value-added products for obtaining sustainable development, which may be selected as an alternative way for material recycling and waste management in the future.Nongnuch LaohavisutiBanjong BoonchomWimonmat BoonmeeKittichai ChaiseedaSomkiat SeesanongNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Nongnuch Laohavisuti Banjong Boonchom Wimonmat Boonmee Kittichai Chaiseeda Somkiat Seesanong Simple recycling of biowaste eggshells to various calcium phosphates for specific industries
description	Abstract Egg consumption is very high throughout the world and with it comes enormous amount of waste eggshells. To reduce and utilize these wastes, eggshell wastes were simply transformed to low- or high-purity calcium carbonate grades by washing, crushing, and drying to use as raw materials for producing highly valuable calcium phosphate products. Low-purity calcium carbonate grade was used to prepare triple superphosphate for using in fertilizer industry, whereas high-purity calcium carbonate grade was used to produce dicalcium phosphate dihydrate, monocalcium phosphate monohydrate, and tricalcium phosphate for using in mineral feed and food additive industries. All calcium phosphate samples obtained by simple, rapid, cheap, and environmentally safe method using eggshells and phosphoric acid were identified and their structural phases and impurities were determined by XRF, XRD and FTIR techniques. Thermal behaviors of raw materials and the prepared calcium phosphates excepted tricalcium phosphate were investigated by TG/DTG techniques. The methodologies described here will be useful to manage eggshells by converting them to highly valuable products, which can solve eggshell wastes problem from industries and communities. This finding supports the viewpoint of zero waste operation to produce value-added products for obtaining sustainable development, which may be selected as an alternative way for material recycling and waste management in the future.
format	article
author	Nongnuch Laohavisuti Banjong Boonchom Wimonmat Boonmee Kittichai Chaiseeda Somkiat Seesanong
author_facet	Nongnuch Laohavisuti Banjong Boonchom Wimonmat Boonmee Kittichai Chaiseeda Somkiat Seesanong
author_sort	Nongnuch Laohavisuti
title	Simple recycling of biowaste eggshells to various calcium phosphates for specific industries
title_short	Simple recycling of biowaste eggshells to various calcium phosphates for specific industries
title_full	Simple recycling of biowaste eggshells to various calcium phosphates for specific industries
title_fullStr	Simple recycling of biowaste eggshells to various calcium phosphates for specific industries
title_full_unstemmed	Simple recycling of biowaste eggshells to various calcium phosphates for specific industries
title_sort	simple recycling of biowaste eggshells to various calcium phosphates for specific industries
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/80aa6544403d4b2c8d3bf575c8b6eab6
work_keys_str_mv	AT nongnuchlaohavisuti simplerecyclingofbiowasteeggshellstovariouscalciumphosphatesforspecificindustries AT banjongboonchom simplerecyclingofbiowasteeggshellstovariouscalciumphosphatesforspecificindustries AT wimonmatboonmee simplerecyclingofbiowasteeggshellstovariouscalciumphosphatesforspecificindustries AT kittichaichaiseeda simplerecyclingofbiowasteeggshellstovariouscalciumphosphatesforspecificindustries AT somkiatseesanong simplerecyclingofbiowasteeggshellstovariouscalciumphosphatesforspecificindustries
_version_	1718384118110093312

Simple recycling of biowaste eggshells to various calcium phosphates for specific industries

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