{"id":39464,"date":"2020-08-01T15:59:35","date_gmt":"2020-08-01T19:59:35","guid":{"rendered":"https:\/\/sustainablereview.com\/?p=39464"},"modified":"2024-08-10T13:11:15","modified_gmt":"2024-08-10T17:11:15","slug":"energia-do-biogas-esterco","status":"publish","type":"post","link":"https:\/\/sustainablereview.com\/pt-br\/energia-do-biogas-esterco\/","title":{"rendered":"Feito de esterco: Explica\u00e7\u00e3o sobre a energia do biog\u00e1s"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"39464\" class=\"elementor elementor-39464 elementor-5268\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"has_eae_slider elementor-section elementor-top-section elementor-element elementor-element-2e129fb elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2e129fb\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"has_eae_slider elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8162cd6\" data-id=\"8162cd6\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3b978cd elementor-widget elementor-widget-text-editor\" data-id=\"3b978cd\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Wind, solar, hydro-power. We have heard the myriad ways to harness energy without releasing earth warming greenhouse gases into the atmosphere. However, one more unexpected but quite viable source of energy exists. It&#8217;s called biogas, and it&#8217;s made from poop.<\/p>\n<h5>Busy? Try the speed read.<\/h5>\n<p><strong>How it works<\/strong><\/p>\n<ul>\n<li>When microorganisms (e.g.bacteria) break down organic matter like manure and food waste anaerobically (without oxygen), biogas is released. Bio gas consists primarily of carbon dioxide and methane &#8211; one of the primary components of natural gas.<\/li>\n<li>Farmers place animal manure, food waste and agricultural waste in an anaerobic digester with a pipe to extract the gas.<\/li>\n<li>The solid byproduct is used as livestock bedding, soil amendments or in biodegradable planting pots, and the liquid byproduct is a nutrient-rich fertilizer.<\/li>\n<\/ul>\n<p><strong>Benefits of Biogas-based Energy<\/strong><\/p>\n<ol>\n<li><strong>Reduced greenhouse gas emissions<\/strong>. Biodigesters divert carbon dioxide and methane that would normally be released into the atmosphere. Greenhouse gas emissions from a dairy farm can be reduced by 35% when biogas-based electricity replaces grid-based electricity.<\/li>\n<li><strong>Cost savings.<\/strong> On-site biodigesters help farmers save on electricity bills and fertilizer. A farmer told The Washington Post that he saved anywhere from $75,000 to $100,000 a year on electricity, heating, fertilizer, and animal bedding with a biodigester.<\/li>\n<li><strong>Renewable<\/strong>. Biogas is generally considered renewable as it is produced by animal and plant waste and the source is not limited in quantity like coal or natural gas.<\/li>\n<\/ol>\n<p><strong>Bottom Line<\/strong><\/p>\n<ul>\n<li>Biogas generation is becoming increasingly popular. From 2000 to 2020, the number of operational anaerobic digesters in the United States has grown from 24 to 255.<\/li>\n<li>Biogas is a popular mode of energy production in India and China, which have 4.54 million and 27 million biogas plants respectively.<\/li>\n<li>As the world divests from fossil fuels, new and varied energy sources will be necessary to satisfy the energy needs of the world and biogas can help. Biogas just goes to show you that not all waste is useless. One cow\u2019s waste is another man\u2019s treasure.<\/li>\n<\/ul>\n<p>Dig deeper \u2192 3 min<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"has_eae_slider elementor-section elementor-top-section elementor-element elementor-element-564a08e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"564a08e\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"has_eae_slider elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-41ba59d5\" data-id=\"41ba59d5\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1b2322d1 elementor-widget elementor-widget-text-editor\" data-id=\"1b2322d1\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><\/p>\n<p><\/p>\n<p><\/p>\n<h2>How biogas energy works<\/h2>\n<p><\/p>\n<p><\/p>\n<p>When microorganisms (e.g.bacteria) break down organic matter like manure and food waste anaerobically (without oxygen), <a href=\"https:\/\/www.epa.gov\/anaerobic-digestion\/basic-information-about-anaerobic-digestion-ad#productsOFAD\">biogas is released<\/a>. 90% of <a href=\"https:\/\/tammi.tamu.edu\/2017\/07\/17\/manure-energy-understanding-processes-principles-jargon\/\">biogas<\/a> is methane and carbon dioxide; 60-65% is methane alone &#8211; one of the primary components of natural gas.<\/p>\n<p><\/p>\n<p><\/p>\n<p>Biogas can satisfy many <a href=\"https:\/\/www.epa.gov\/agstar\/how-does-anaerobic-digestion-work\">energy needs<\/a>. Biogas can fuel on-site electricity generators or replace the propane in boilers. If processed, compressed and refined by removing contaminants, carbon dioxide and water vapor, people can use biogas as vehicle fuel, or in natural gas pipelines that supply businesses and homes.<\/p>\n<p><\/p>\n<p><\/p>\n<p>Biogas generators are common on farms, especially dairy farms, which have abundant organic waste. Farmers place animal manure, food waste and agricultural waste in <a href=\"https:\/\/www.epa.gov\/agstar\/how-does-anaerobic-digestion-work\">anaerobic digesters<\/a>: often a large pit underground with a dome-shaped roof and a pipe to extract the gas.\u00a0<\/p>\n<p><\/p>\n<p><\/p>\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/jvz0pN5q8Rd9QliX2hRjBpC9JN7Vu2zuC5iseoSpaTM4FSgPxplShvQs0ljG91PlLBkzIlDyLMLWLlJ_0CBFyBU-27co8WRcmVVeoBsAQ396SiCH6T8OhcE2-bucr2Jb9iSeCF2N\" alt=\"\" \/>\n<p>\u00a0<\/p>\n<\/figure>\n<p><\/p>\n<p><\/p>\n<p>But the gas is not the only useful product of an anaerobic digester. Farmers use the solid matter as livestock bedding, soil amendments or in biodegradable planting pots. And the liquid byproduct is a nutrient-rich fertilizer.<\/p>\n<p><\/p>\n<p><\/p>\n<h2>Benefits of Biodigesters<\/h2>\n<p><\/p>\n<p><\/p>\n<p>Anaerobic digesters help farmers put all the organic waste matter to good use while saving money and the environment! There are three main benefits of biogas generation:<\/p>\n<p><\/p>\n<p><\/p>\n<ul>\n<li><strong>Reduced greenhouse gas emissions<\/strong>. <a href=\"https:\/\/www.epa.gov\/anaerobic-digestion\/environmental-benefits-anaerobic-digestion-ad\">Biodigesters harness<\/a> carbon dioxide and methane that would normally release into the atmosphere from manure piles or landfills for energy. Diverting methane is especially important since methane is about <a href=\"https:\/\/www.nationalgeographic.com\/environment\/global-warming\/methane\/\">28 times more potent <\/a>than carbon dioxide as a greenhouse gas. A <a href=\"https:\/\/learningstore.extension.wisc.edu\/products\/dairy-anaerobic-digestion-systems-and-their-impact-on-greenhouse-gas-and-ammonia-emissions-p1836\">study<\/a> at the University of Wisconsin-Madison found that when biogas-based electricity replaces grid-based electricity, greenhouse gas emission from a dairy farm reduce by 35%.<\/li>\n<li><strong>Cost savings.<\/strong> On-site biodigesters help farmers save on electricity bills and fertilizer as farmers can produce their own energy and even sell surplus to local utility companies. A farmer told <a href=\"https:\/\/www.washingtonpost.com\/climate-solutions\/2020\/06\/16\/climate-solutions-manure\/?arc404=true\">The Washington Post<\/a> that he saved anywhere from $75,000 to $100,000 a year on electricity, heating, fertilizer, and animal bedding with a biodigester.\u00a0<\/li>\n<li><strong>Renewable<\/strong>. Many consider biogas renewable. A<a href=\"https:\/\/sustainablereview-com.preview-domain.com\/5-steps-reduce-food-waste\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"undefined (opens in a new tab)\">nimal and plant waste<\/a> produce biogas energy, and biogas energy is not a scarce resource like coal or natural gas.\u00a0<\/li>\n<\/ul>\n<p><\/p>\n<p><\/p>\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/TkUZA2UeObXNS-cul8L63C-JqOefiCI4v0SsU5_6SetNGPgLWemj_HhQY3kFL3BMwOSoEVWuQultXGtPM4VcUdW7IcXOR0e7E6U8kBJ9ADGfn1bVFRRtQEWjyUy5VD9UxrTiQhi_\" alt=\"\" \/><\/figure>\n<p><\/p>\n<p><\/p>\n<p><\/p>\n<p><\/p>\n<p>Nevertheless, biogas-based energy is not perfect. Although this source does not add to greenhouse gas emissions, pipeline leaks cancel out any emission reductions and the technology is expensive. But while other renewable technology develops, biogas can serve as a transitional energy source and satisfy agricultural energy demands.\u00a0<\/p>\n<p><\/p>\n<p><\/p>\n<h2>Biogas Energy in the World<\/h2>\n<p><\/p>\n<p><\/p>\n<p><\/p>\n<p><\/p>\n<p>Biogas generation is becoming increasingly popular. The US EPA\u2019s <a href=\"https:\/\/www.epa.gov\/agstar\">AgStar<\/a> Program promotes biogas generation from livestock waste farms. Many private companies like Vanguard Renewables and Dominion Energy also help <a href=\"https:\/\/www.washingtonpost.com\/climate-solutions\/2020\/06\/16\/climate-solutions-manure\/?arc404=true\">fund biodigesters<\/a> on livestock farms in the Southwest and California.<\/p>\n<p><\/p>\n<p><\/p>\n<p><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-36046c3 elementor-widget elementor-widget-video\" data-id=\"36046c3\" data-element_type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot; https:\\\/\\\/www.youtube.com\\\/watch?v=iAZdg969mww&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"has_eae_slider elementor-section elementor-top-section elementor-element elementor-element-a6bafd9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a6bafd9\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"has_eae_slider elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-04ddda4\" data-id=\"04ddda4\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-209c7a1 elementor-widget elementor-widget-text-editor\" data-id=\"209c7a1\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>These investments have fueled the growth of the industry; from 2000 to 2020, the <a href=\"https:\/\/www.epa.gov\/agstar\/agstar-data-and-trends#adfacts\">number of operational anaerobic digesters<\/a> in the United States has grown from 24 to 255, with 33 currently under construction.<\/p>\n<p>Between 2000 and 2019, anaerobic digesters on livestock farms have reduced direct and indirect emissions by 43.8 million metric tons of CO2 equivalent <a href=\"https:\/\/www.epa.gov\/agstar\/agstar-data-and-trends\">according to the EPA.<\/a><\/p>\n<p>Biogas is a popular mode of energy production in other parts of the world. Since the 1970s, India and China have <a href=\"https:\/\/economictimes.indiatimes.com\/industry\/energy\/power\/china-surpasses-india-in-biogas-plants-exposing-hypocrisy-of-gau-rakshaks\/articleshow\/58801878.cms\">invested heavily<\/a> in the development of biogas digesters. As a result, India has 4.54 million biogas plants and China has 27 million biogas plants as of 2012. Located in rural areas, these plants ensure the safe and sustainable disposal of human and animal manure as well as agricultural waste.<\/p>\n<h3>Bottom Line<\/h3>\n<p>As the world moves away from fossil fuels, new and varied energy sources will be necessary to satisfy the energy needs of the world because not every energy source is viable everywhere. Biogas can play a crucial role in a renewable energy future, especially on farms. It just goes to show you that not all waste is useless. One cow\u2019s waste is another man\u2019s treasure.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p><!-- wp:paragraph --><\/p>\n<p><strong>Como funciona<\/strong><\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:list --><\/p>\n<ul>\n<li>Quando os microrganismos (por exemplo, bact\u00e9rias) decomp\u00f5em a mat\u00e9ria org\u00e2nica, como esterco e res\u00edduos alimentares, anaerobicamente (sem oxig\u00eanio), o biog\u00e1s \u00e9 liberado. O biog\u00e1s consiste principalmente em di\u00f3xido de carbono e metano &#8211; um dos principais componentes do g\u00e1s natural.<\/li>\n<li>Os agricultores colocam esterco animal, restos de alimentos e res\u00edduos agr\u00edcolas em um digestor anaer\u00f3bico com um tubo para extrair o g\u00e1s. <\/li>\n<li>O subproduto s\u00f3lido \u00e9 usado como cama para o gado, corretivo do solo ou em vasos de plantio biodegrad\u00e1veis, e o subproduto l\u00edquido \u00e9 um fertilizante rico em nutrientes.<\/li>\n<\/ul>\n<p><!-- \/wp:list --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p><strong>Benef\u00edcios da energia baseada em biog\u00e1s<\/strong><\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:list {\"ordered\":true} --><\/p>\n<ol>\n<li><strong>Redu\u00e7\u00e3o das emiss\u00f5es de gases de efeito estufa<\/strong>. Os biodigestores desviam o di\u00f3xido de carbono e o metano que normalmente seriam liberados na atmosfera. As emiss\u00f5es de gases de efeito estufa de uma fazenda de gado leiteiro podem ser reduzidas em 35% quando a eletricidade baseada em biog\u00e1s substitui a eletricidade da rede.<\/li>\n<li><strong>Economia de custos.<\/strong> Os biodigestores no local ajudam os agricultores a economizar nas contas de eletricidade e fertilizantes. Um fazendeiro disse ao The Washington Post que economizou de US$ 75.000 a US$ 100.000 por ano em eletricidade, aquecimento, fertilizantes e cama para animais com um biodigestor.<\/li>\n<li><strong>Renov\u00e1vel<\/strong>. O biog\u00e1s \u00e9 geralmente considerado renov\u00e1vel, pois \u00e9 produzido por res\u00edduos animais e vegetais e a fonte n\u00e3o \u00e9 limitada em quantidade, como o carv\u00e3o ou o g\u00e1s natural.<\/li>\n<\/ol>\n<p><!-- \/wp:list --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p><strong>Conclus\u00e3o<\/strong><\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:list --><\/p>\n<ul>\n<li>A gera\u00e7\u00e3o de biog\u00e1s est\u00e1 se tornando cada vez mais popular. De 2000 a 2020, o n\u00famero de digestores anaer\u00f3bicos em opera\u00e7\u00e3o nos Estados Unidos cresceu de 24 para 255.<\/li>\n<li>O biog\u00e1s \u00e9 um modo popular de produ\u00e7\u00e3o de energia na \u00cdndia e na China, que t\u00eam 4,54 milh\u00f5es e 27 milh\u00f5es de usinas de biog\u00e1s, respectivamente. <\/li>\n<li>\u00c0 medida que o mundo se desfaz dos combust\u00edveis f\u00f3sseis, novas e variadas fontes de energia ser\u00e3o necess\u00e1rias para satisfazer as necessidades energ\u00e9ticas do mundo e o biog\u00e1s pode ajudar. O biog\u00e1s mostra a voc\u00ea que nem todo res\u00edduo \u00e9 in\u00fatil. O res\u00edduo de uma vaca \u00e9 o tesouro de outro homem.<\/li>\n<\/ul>\n<p><!-- \/wp:list --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>Aprofunde-se \u2192 4 min<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n","protected":false},"author":8,"featured_media":5283,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[3101],"tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Feito de esterco: Explica\u00e7\u00e3o sobre a energia do biog\u00e1s &#8212; Sustainable Review<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sustainablereview.com\/pt-br\/energia-do-biogas-esterco\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Feito de esterco: Explica\u00e7\u00e3o sobre a energia do biog\u00e1s &#8212; Sustainable Review\" \/>\n<meta property=\"og:description\" content=\"Como funciona  Quando os microrganismos (por exemplo, bact\u00e9rias) decomp\u00f5em a mat\u00e9ria org\u00e2nica, como esterco e res\u00edduos alimentares, anaerobicamente (sem oxig\u00eanio), o biog\u00e1s \u00e9 liberado. O biog\u00e1s consiste principalmente em di\u00f3xido de carbono e metano - um dos principais componentes do g\u00e1s natural.Os agricultores colocam esterco animal, restos de alimentos e res\u00edduos agr\u00edcolas em um digestor anaer\u00f3bico com um tubo para extrair o g\u00e1s. O subproduto s\u00f3lido \u00e9 usado como cama para o gado, corretivo do solo ou em vasos de plantio biodegrad\u00e1veis, e o subproduto l\u00edquido \u00e9 um fertilizante rico em nutrientes.  Benef\u00edcios da energia baseada em biog\u00e1s  Redu\u00e7\u00e3o das emiss\u00f5es de gases de efeito estufa. Os biodigestores desviam o di\u00f3xido de carbono e o metano que normalmente seriam liberados na atmosfera. As emiss\u00f5es de gases de efeito estufa de uma fazenda de gado leiteiro podem ser reduzidas em 35% quando a eletricidade baseada em biog\u00e1s substitui a eletricidade da rede.Economia de custos. Os biodigestores no local ajudam os agricultores a economizar nas contas de eletricidade e fertilizantes. Um fazendeiro disse ao The Washington Post que economizou de US$ 75.000 a US$ 100.000 por ano em eletricidade, aquecimento, fertilizantes e cama para animais com um biodigestor.Renov\u00e1vel. O biog\u00e1s \u00e9 geralmente considerado renov\u00e1vel, pois \u00e9 produzido por res\u00edduos animais e vegetais e a fonte n\u00e3o \u00e9 limitada em quantidade, como o carv\u00e3o ou o g\u00e1s natural.  Conclus\u00e3o  A gera\u00e7\u00e3o de biog\u00e1s est\u00e1 se tornando cada vez mais popular. De 2000 a 2020, o n\u00famero de digestores anaer\u00f3bicos em opera\u00e7\u00e3o nos Estados Unidos cresceu de 24 para 255.O biog\u00e1s \u00e9 um modo popular de produ\u00e7\u00e3o de energia na \u00cdndia e na China, que t\u00eam 4,54 milh\u00f5es e 27 milh\u00f5es de usinas de biog\u00e1s, respectivamente. \u00c0 medida que o mundo se desfaz dos combust\u00edveis f\u00f3sseis, novas e variadas fontes de energia ser\u00e3o necess\u00e1rias para satisfazer as necessidades energ\u00e9ticas do mundo e o biog\u00e1s pode ajudar. O biog\u00e1s mostra a voc\u00ea que nem todo res\u00edduo \u00e9 in\u00fatil. O res\u00edduo de uma vaca \u00e9 o tesouro de outro homem.  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Sustainable Review","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/sustainablereview.com\/pt-br\/energia-do-biogas-esterco\/","og_locale":"pt_BR","og_type":"article","og_title":"Feito de esterco: Explica\u00e7\u00e3o sobre a energia do biog\u00e1s &#8212; Sustainable Review","og_description":"Como funciona  Quando os microrganismos (por exemplo, bact\u00e9rias) decomp\u00f5em a mat\u00e9ria org\u00e2nica, como esterco e res\u00edduos alimentares, anaerobicamente (sem oxig\u00eanio), o biog\u00e1s \u00e9 liberado. O biog\u00e1s consiste principalmente em di\u00f3xido de carbono e metano - um dos principais componentes do g\u00e1s natural.Os agricultores colocam esterco animal, restos de alimentos e res\u00edduos agr\u00edcolas em um digestor anaer\u00f3bico com um tubo para extrair o g\u00e1s. O subproduto s\u00f3lido \u00e9 usado como cama para o gado, corretivo do solo ou em vasos de plantio biodegrad\u00e1veis, e o subproduto l\u00edquido \u00e9 um fertilizante rico em nutrientes.  Benef\u00edcios da energia baseada em biog\u00e1s  Redu\u00e7\u00e3o das emiss\u00f5es de gases de efeito estufa. Os biodigestores desviam o di\u00f3xido de carbono e o metano que normalmente seriam liberados na atmosfera. As emiss\u00f5es de gases de efeito estufa de uma fazenda de gado leiteiro podem ser reduzidas em 35% quando a eletricidade baseada em biog\u00e1s substitui a eletricidade da rede.Economia de custos. Os biodigestores no local ajudam os agricultores a economizar nas contas de eletricidade e fertilizantes. Um fazendeiro disse ao The Washington Post que economizou de US$ 75.000 a US$ 100.000 por ano em eletricidade, aquecimento, fertilizantes e cama para animais com um biodigestor.Renov\u00e1vel. O biog\u00e1s \u00e9 geralmente considerado renov\u00e1vel, pois \u00e9 produzido por res\u00edduos animais e vegetais e a fonte n\u00e3o \u00e9 limitada em quantidade, como o carv\u00e3o ou o g\u00e1s natural.  Conclus\u00e3o  A gera\u00e7\u00e3o de biog\u00e1s est\u00e1 se tornando cada vez mais popular. De 2000 a 2020, o n\u00famero de digestores anaer\u00f3bicos em opera\u00e7\u00e3o nos Estados Unidos cresceu de 24 para 255.O biog\u00e1s \u00e9 um modo popular de produ\u00e7\u00e3o de energia na \u00cdndia e na China, que t\u00eam 4,54 milh\u00f5es e 27 milh\u00f5es de usinas de biog\u00e1s, respectivamente. \u00c0 medida que o mundo se desfaz dos combust\u00edveis f\u00f3sseis, novas e variadas fontes de energia ser\u00e3o necess\u00e1rias para satisfazer as necessidades energ\u00e9ticas do mundo e o biog\u00e1s pode ajudar. O biog\u00e1s mostra a voc\u00ea que nem todo res\u00edduo \u00e9 in\u00fatil. O res\u00edduo de uma vaca \u00e9 o tesouro de outro homem.  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