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	<title>GWP Archive - PYREG GmbH</title>
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		<title>Biochar from biosolids: the climate-positive alternative to conventional phosphorus fertilizer</title>
		<link>https://dev.pyreg.de/biochar-from-biosolids-the-climate-positive-alternative-to-conventional-phosphorus-fertilizer/</link>
					<comments>https://dev.pyreg.de/biochar-from-biosolids-the-climate-positive-alternative-to-conventional-phosphorus-fertilizer/#respond</comments>
		
		<dc:creator><![CDATA[Henriette zu Doha]]></dc:creator>
		<pubDate>Wed, 27 Oct 2021 17:08:12 +0000</pubDate>
				<category><![CDATA[Biochar]]></category>
		<category><![CDATA[biosolids]]></category>
		<category><![CDATA[climate change]]></category>
		<category><![CDATA[GWP]]></category>
		<category><![CDATA[net-zero]]></category>
		<category><![CDATA[Sewage Sludge]]></category>
		<category><![CDATA[biochar from biosolids]]></category>
		<category><![CDATA[CO2-negative]]></category>
		<category><![CDATA[negative GWP]]></category>
		<guid isPermaLink="false">https://dev.pyreg.de/?p=11944</guid>

					<description><![CDATA[<p>PYREG Biochar from biosolids proves a negative global warming potential by a factor of 10 compared to conventional fertilizer. In a 2019 study by the German Federal Environmental Agency, the result is that conventional fertilizer production in Germany emits about +1.2 kg CO2 eq/kg P2O5. Furthermore, phosphate recovery processes like precipitation (in digested sludge or [&#8230;]</p>
<p>Der Beitrag <a href="https://dev.pyreg.de/biochar-from-biosolids-the-climate-positive-alternative-to-conventional-phosphorus-fertilizer/">Biochar from biosolids: the climate-positive alternative to conventional phosphorus fertilizer</a> erschien zuerst auf <a href="https://dev.pyreg.de">PYREG GmbH</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p><strong>PYREG Biochar from biosolids proves a negative global warming potential by a factor of 10 compared to conventional fertilizer.</strong></p>
<p>In a 2019 study by the German Federal Environmental Agency, the result is that conventional fertilizer production in Germany emits about <strong>+1.2 kg CO<sub>2</sub> eq/kg P<sub>2</sub>O<sub>5</sub></strong>. Furthermore, phosphate recovery processes like precipitation (in digested sludge or centrate) or sewage sludge ash also demonstrably cause CO<sub>2</sub> emissions.</p>
<p>In comparison to the global warming potential (GWP) of these processes, PYREG biochar from biosolids has a negative GWP of <strong>–</strong><strong>4,01 kg CO<sub>2</sub> eq / kg P<sub>2</sub>O<sub>5</sub></strong>. Consequently, the recovery of phosphate within the PYREG process and the final application of the biochar contributes to fight global warming and reaching net zero.</p>
<p>In addition to that the phosphate recovery rate of PYREG biochar from biosolids is nearly 80 %, which is in the range of other thermal treatments and far better than precipitation processes with &lt;40 % recovery rate.</p>
<p><a class="et_pb_lightbox_image" href="https://dev.pyreg.de/wp-content/uploads/Grafik-Klimabilanz-PYREG-biochar-from-biosolids.jpg"><img decoding="async" class="alignnone wp-image-11986 size-full" src="https://dev.pyreg.de/wp-content/uploads/Grafik-Klimabilanz-PYREG-biochar-from-biosolids.jpg" alt width="966" height="407" srcset="https://dev.pyreg.de/wp-content/uploads/Grafik-Klimabilanz-PYREG-biochar-from-biosolids.jpg 966w, https://dev.pyreg.de/wp-content/uploads/Grafik-Klimabilanz-PYREG-biochar-from-biosolids-480x202.jpg 480w" sizes="(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 966px, 100vw"></a></p>
<p><strong>Sources:<br>
</strong><strong>UBA TEXTE 13/2019</strong>: Ökobilanzieller Vergleich der P-Rückgewinnung aus dem Abwasserstrom mit der Düngemittelproduktion aus Rohphosphaten unter Einbeziehung von Umweltfolgeschäden und deren Vermeidung, Forschungskennzahl 3716 31 330 0 UBA-FB 002759, ISSN 1862-480<br>
<strong>Kratz, Schnug (2009): </strong>Zur Frage der Löslichkeit und Pflanzenverfügbarkeit von Phosphor in Düngemitteln JOURNAL FÜR KULTURPFLANZEN, 61 (1). S. 2–8, 2009, ISSN 0027-7479 VERLAG EUGEN ULMER KG, STUTTGART<br>
<strong>Koch, Bernhard (2021):</strong> Gefäßversuch zur Phosphorverfügbarkeit aus Klärschlammrecyclaten, Landesbetrieb Landwirtschaft Hessen, DPP Forum 2021 Frankfurt<br>
<strong>EVS 2019:</strong> Experimenteller Nachweis der Cadmiumentfrachtung während des Karbonisierungsprozesses von Klärschlamm<br>
<strong>Kuzyakov 2015:</strong> Biochar stability in soil: Meta-analysis of decomposition and priming effects, GCB Bioenergy, DOI:10.1111/gcbb.12266<br>
<a href="https://biochar-us.org/ebi-whitepaper-biochar-based-carbon-sinks-mitigate-climate-change"><strong>EBI Whitepapaper</strong></a></p>
<p>Der Beitrag <a href="https://dev.pyreg.de/biochar-from-biosolids-the-climate-positive-alternative-to-conventional-phosphorus-fertilizer/">Biochar from biosolids: the climate-positive alternative to conventional phosphorus fertilizer</a> erschien zuerst auf <a href="https://dev.pyreg.de">PYREG GmbH</a>.</p>
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