{"id":21636,"date":"2023-11-15T14:06:00","date_gmt":"2023-11-15T06:06:00","guid":{"rendered":"https:\/\/www.jxscmachine.com\/?post_type=new&p=21636"},"modified":"2026-06-29T16:57:06","modified_gmt":"2026-06-29T08:57:06","slug":"factores-que-determinan-la-tasa-de-recuperacion-de-la-amalgama-de-oro","status":"publish","type":"new","link":"https:\/\/www.jxscmachine.com\/es\/new\/factors-determine-gold-amalgamation-recovery-rate\/","title":{"rendered":"\u00bfQu\u00e9 factores determinan la tasa de recuperaci\u00f3n de la amalgama de oro?"},"content":{"rendered":"

Amalgamaci\u00f3n de oro<\/strong> is a traditional method of extracting gold by binding it with mercury to form an amalgam, which is then heated to isolate pure gold. While historically significant, this process presents concerns due to mercury’s toxicity and environmental risks. The recovery rate\u2014the efficiency of gold extraction via amalgamation\u2014is influenced by multiple factors, including gold particle size, mercury quality, slurry concentration, pH levels, and temperature. Modern mining increasingly favors safer alternatives like cyanide leaching, but understanding amalgamation’s mechanics remains relevant for legacy operations and regulatory contexts.<\/p>\n

\u00bfQu\u00e9 es la amalgamaci\u00f3n del oro?<\/h2>\n

Amalgamaci\u00f3n de oro<\/strong> is a method of extracting gold from its ores by mixing it with mercury. It is an ancient gold separation method. This process forms a amalgama de oro y mercurio<\/a>Las part\u00edculas de oro se unen qu\u00edmicamente al mercurio. A continuaci\u00f3n, la amalgama se calienta para vaporizar el mercurio y dejar el oro. Esta t\u00e9cnica se ha utilizado hist\u00f3ricamente en la miner\u00eda del oro, sobre todo en zonas donde el oro est\u00e1 finamente diseminado en el mineral y puede no ser f\u00e1cilmente recuperable por otros m\u00e9todos.<\/p>\n

 <\/p>\n

\"oro\"<\/a><\/p>\n

 <\/p>\n

 <\/p>\n

Tasa de recuperaci\u00f3n de amalgama de oro<\/h2>\n

En tasa de recuperaci\u00f3n de oro por amalgamaci\u00f3n<\/strong> se refiere al porcentaje de oro que puede recuperarse con \u00e9xito mediante el proceso de amalgamaci\u00f3n. Mide la eficacia del m\u00e9todo de extracci\u00f3n de oro que consiste en utilizar mercurio para formar una amalgama de oro y mercurio.<\/p>\n

La tasa de recuperaci\u00f3n se calcula comparando la cantidad de oro recuperado mediante amalgamaci\u00f3n con la cantidad total de oro presente en la mena o el concentrado. Se expresa en porcentaje y permite conocer la eficacia del proceso de amalgamaci\u00f3n para capturar y extraer el oro de la materia prima.<\/p>\n

Un \u00edndice de recuperaci\u00f3n m\u00e1s alto indica que una mayor proporci\u00f3n del oro del mineral se amalgama y se recupera con \u00e9xito. Una tasa de recuperaci\u00f3n m\u00e1s baja indica que una cantidad significativa de oro no se recupera o se pierde durante el proceso. Las pr\u00e1cticas mineras modernas pretenden maximizar las tasas de recuperaci\u00f3n al tiempo que minimizan los riesgos para el medio ambiente y la salud asociados al uso de mercurio en la amalgamaci\u00f3n del oro.<\/p>\n

 <\/p>\n

Factores que afectan a la tasa de recuperaci\u00f3n de la amalgama de oro<\/h2>\n

La tasa de recuperaci\u00f3n de oro durante la amalgamaci\u00f3n con mercurio depende de the particle size and shape of natural gold, the color of gold particles, the quality of mercury, the mercury amalgamation temperature, the slurry concentration, the mercury amalgamation method, and equipment factors, etc.<\/strong><\/p>\n

1. Gold Particle Size and Shape<\/h3>\n

The particle size, shape, and monomer dissociation degree of gold are mainly related to the grinding operation. In particular, the degree of monomer dissociation has a more significant impact. Increasing the grinding fineness can improve the recovery rate of mercury amalgamation operations. Gold particles suitable for mercury amalgamation generally are 0.2-0.3 mm. The lower limit of the mercury amalgamation plate particle size in the grinding cycle is 0.015 mm, but the fine gold particles are lost with the slurry.<\/p>\n

2. La finura de los granos de oro<\/h3>\n

El color del oro de aluvi\u00f3n es superior al del oro de veta<\/a>, and the color of gold in the oxidation zone is higher than that of primary ore. Gold with a high color is prone to amalgamation with mercury. If the surface of gold particles is contaminated, their amalgamation ability will significantly reduce.<\/p>\n

3. M\u00e9todo de amalgamaci\u00f3n de mercurio<\/h3>\n

La amalgama de mercurio se divide en amalgamaci\u00f3n interna de mercurio y amalgamaci\u00f3n externa de mercurio.<\/strong> External mercury amalgamation is mixing mercury to extract gold outside the crushing chamber. External mercury amalgamation is commonly used in China with fixed and vibrating mercury amalgamation plates. Internal mercury amalgamation is performed outside the crushing chamber. During the grinding operation cycle, mercury amalgamation is used to extract gold. Gold mines in South Africa and the United States often use mercury amalgamation in ramming machines. Small and medium-sized gold mines in the Soviet Union often use disc rollers. In China, mercury amalgamation cylinders are often used. The efficiency of internal mercury amalgamation is higher than that of external mercury amalgamation, and the quality of mercury gold is good. The concentration of external amalgamated mercury slurry should not be too high to form a loose, thin slurry flow, and the flow rate should not be too high to allow gold particles to settle onto the mercury plate. The concentration of internal mercury slurry should be 30-50%, and the mercury should be suspended.<\/p>\n

 <\/p>\n

\"oro\"<\/a><\/p>\n

 <\/p>\n

4. pH de los purines<\/h3>\n

El pH del lodo influye mucho en el efecto de amalgamaci\u00f3n del mercurio. El efecto de amalgamaci\u00f3n del mercurio es bueno en medios \u00e1cidos y soluciones de cianuro, pero cuando hay mucho limo, el medio \u00e1cido no puede aglomerar el limo, y \u00e9ste contamina la superficie de las part\u00edculas de oro, afectando al efecto de amalgamaci\u00f3n del mercurio. Cuando el mercurio se mezcla en un medio alcalino, como el uso de cal como regulador para precipitar las sales solubles y eliminar los efectos adversos de la calidad del aceite, el impacto de la mezcla de mercurio es mejor cuando PH=8-8,5.<\/p>\n

5. Masa de mercurio<\/h3>\n

La calidad del mercurio influye mucho en el efecto de la amalgamaci\u00f3n con mercurio. El mercurio puro no es bueno para humedecer el oro. El mercurio que contiene una peque\u00f1a cantidad de oro, plata y metales comunes puede reducir la tensi\u00f3n superficial del mercurio y mejorar el efecto humectante. El aceite de motor, otras materias org\u00e1nicas y el lodo fino contaminar\u00e1n la superficie de las part\u00edculas de oro. El mineral sulfurado, el talco, el grafito y el arseniuro del mineral se adhieren f\u00e1cilmente a la superficie del mercurio, lo que tambi\u00e9n afecta a la capacidad de humectaci\u00f3n del mercurio en el oro.<\/p>\n

When mixing mercury, add an appropriate amount of mercury. Too much will reduce the elasticity and consistency of the mercury paste, causing the amalgam to be lost with the slurry. Insufficient addition of mercury makes the mercury paste hard and loses its elasticity, reducing its gold-capturing performance. After the mercury board is put into production, the initial mercury coating amount is 15-30 grams\/cubic meter, and mercury is added after 6-12 hours. The amount of mercury added is 2-5 times the gold content of the ore, and the consumption of mercury is usually 3-8 g\/ton of ore.<\/p>\n

 <\/p>\n

\"Tasa<\/a><\/p>\n

6. Temperatura de amalgamaci\u00f3n<\/h3>\n

In addition, temperature also affects the effect of mercury amalgamation. If the temperature is too low, it will increase the viscosity of mercury and affect the mercury amalgamation effect. If the temperature is too high, it will increase the fluidity of mercury, causing some of it to be lost. Therefore, the mercury amalgamation index is prone to seasonal changes. The mercury amalgamation temperature should generally be greater than 15 degrees. Adding mercury and adjusting the slurry concentration are used to eliminate the influence of temperature.<\/p>\n

 <\/p>\n

Conclusion: Balancing Efficiency and Sustainability<\/h2>\n

While amalgamation can achieve high recovery rates under optimal conditions, its reliance on toxic mercury demands caution. Modern alternatives such as cyanide leaching and gravity separation now dominate the industry, prioritizing environmental and worker safety. For operations still employing amalgamation, meticulous control of the above factors\u2014particle size, gold purity, method selection, slurry chemistry, mercury quality, and temperature\u2014is essential to maximize yields and minimize harm.<\/p>","protected":false},"excerpt":{"rendered":"

Gold amalgamation is a traditional method of extracting gold by binding it with mercury to form an amalgam, which is then heated to isolate pure gold. While historically significant, this process presents concerns due to mercury’s toxicity and environmental risks. The recovery rate\u2014the efficiency of gold extraction via amalgamation\u2014is influenced by multiple factors, including gold … Continue reading \u00bfQu\u00e9 factores determinan la tasa de recuperaci\u00f3n de la amalgama de oro?<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":21637,"parent":0,"menu_order":136,"comment_status":"closed","ping_status":"open","template":"","format":"standard","meta":{"_acf_changed":false,"ngg_post_thumbnail":0,"footnotes":""},"categories":[],"tags":[],"class_list":["post-21636","new","type-new","status-publish","format-standard","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"\nWhat Factors Determine Gold Amalgamation Recovery Rate? - JXSC Machine<\/title>\n<meta name=\"description\" content=\"Gold amalgamation recovery rate is influenced by gold particle size, mercury quality, slurry concentration, pH levels, and temperature.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.jxscmachine.com\/es\/nuevo\/factores-que-determinan-la-tasa-de-recuperacion-de-la-amalgama-de-oro\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What Factors Determine Gold Amalgamation Recovery Rate? 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