{"id":4430,"date":"2026-05-13T09:32:37","date_gmt":"2026-05-13T07:32:37","guid":{"rendered":"https:\/\/protechcontinental.com\/grind-rax-compactor-wwtp-waste-treatment\/"},"modified":"2026-05-13T09:53:03","modified_gmt":"2026-05-13T07:53:03","slug":"grind-rax-compactor-wwtp-waste-treatment","status":"publish","type":"post","link":"https:\/\/protechcontinental.com\/en\/grind-rax-compactor-wwtp-waste-treatment\/","title":{"rendered":"GRIND-RAX Compactor: Evolution of the Diablo Screening Washer in waste treatment"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"4430\" class=\"elementor elementor-4430 elementor-4415\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-505f46c e-flex e-con-boxed e-con e-parent\" data-id=\"505f46c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-115ff94 elementor-widget elementor-widget-text-editor\" data-id=\"115ff94\" data-element_type=\"widget\" data-e-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\t\t<p>For years, the equipment known as the <b>Diablo Screening Washer<\/b> has established itself as an effective solution in wastewater treatment plants for the treatment of waste from screening rakes.<\/p><p>Today, this equipment is evolving and is now called the <b>GRIND-RAX Compactor<\/b>, maintaining its original concept but strengthening its positioning as an integral solution for waste shredding, washing, and compaction.<\/p><p><span style=\"font-weight: 400;\">This change does not imply a modification of its functionality, but rather an evolution in the range and its integration within broader solids treatment solutions.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fdd4ca5 elementor-widget elementor-widget-heading\" data-id=\"fdd4ca5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What is the GRIND-RAX Compactor and what is it used for?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-59767b0 elementor-widget elementor-widget-text-editor\" data-id=\"59767b0\" data-element_type=\"widget\" data-e-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\t\t<p>The <b><a href=\"https:\/\/protechcontinental.com\/en\/solutions\/waste-shredding-and-compaction\/\">GRIND-RAX Compactor<\/a><\/b> is a compact waste management unit designed to treat solid waste collected from screens in wastewater treatment plants (WWTP).<\/p><p><span style=\"font-weight: 400;\">Its main function is clear: to transform voluminous, wet waste with high organic content into a cleaner, drier, and easier-to-manage solid.<\/span><\/p><p><span style=\"font-weight: 400;\">To achieve this, the unit integrates the following into a single system:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Shredding<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Washing<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Solid-liquid separation<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Compaction and dewatering<br><br><\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">This approach allows waste to be treated directly on-site, reducing problems associated with transport, odors, and landfill management.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-21d2fb3 elementor-widget elementor-widget-heading\" data-id=\"21d2fb3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">How it works in a WWTP: A continuous process<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-14ba0cb elementor-widget elementor-widget-text-editor\" data-id=\"14ba0cb\" data-element_type=\"widget\" data-e-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\t\t<p><span style=\"font-weight: 400;\">One of the keys to the GRIND-RAX Compactor is that it does not act as an isolated piece of equipment, but as part of the pretreatment process.<\/span><\/p><p><span style=\"font-weight: 400;\">Its operation is based on a continuous 6-stage cycle:<\/span><\/p><ol><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Waste is fed into the inlet hopper.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">An initial wash is performed to remove part of the organic matter.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The shredding system reduces the size of the solids.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">A second wash improves the cleanliness of the waste.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The liquid fraction is separated from the solid.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The waste is compacted and dewatered before discharge.<br><br><\/span><\/li><\/ol><p><span style=\"font-weight: 400;\">This double washing allows organic matter to be returned to the purification process instead of being sent to a landfill, improving the overall efficiency of the facility.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5b7f49e elementor-widget elementor-widget-image\" data-id=\"5b7f49e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"191\" src=\"https:\/\/protechcontinental.com\/wp-content\/uploads\/2026\/05\/Etapas-del-proceso-de-tratamiento-en-el-GRIND-RAX-Compactor-1024x245.webp\" class=\"attachment-large size-large wp-image-4421\" alt=\"Infograf\u00eda de las 6 etapas del GRIND-RAX Compactor: alimentaci\u00f3n, prelavado, triturado, lavado final, separaci\u00f3n y compactaci\u00f3n.\" srcset=\"https:\/\/protechcontinental.com\/wp-content\/uploads\/2026\/05\/Etapas-del-proceso-de-tratamiento-en-el-GRIND-RAX-Compactor-1024x245.webp 1024w, https:\/\/protechcontinental.com\/wp-content\/uploads\/2026\/05\/Etapas-del-proceso-de-tratamiento-en-el-GRIND-RAX-Compactor-300x72.webp 300w, https:\/\/protechcontinental.com\/wp-content\/uploads\/2026\/05\/Etapas-del-proceso-de-tratamiento-en-el-GRIND-RAX-Compactor-768x184.webp 768w, https:\/\/protechcontinental.com\/wp-content\/uploads\/2026\/05\/Etapas-del-proceso-de-tratamiento-en-el-GRIND-RAX-Compactor-1536x368.webp 1536w, https:\/\/protechcontinental.com\/wp-content\/uploads\/2026\/05\/Etapas-del-proceso-de-tratamiento-en-el-GRIND-RAX-Compactor.webp 2012w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dd7e663 elementor-widget elementor-widget-heading\" data-id=\"dd7e663\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Problems solved on-site<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-58fd9dd elementor-widget elementor-widget-text-editor\" data-id=\"58fd9dd\" data-element_type=\"widget\" data-e-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\t\t<p><span style=\"font-weight: 400;\">In many treatment plants, waste generates constant operational issues:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">High volume of waste<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">High organic matter content<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Odors<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Transport and management costs<br><br><\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">The GRIND-RAX Compactor unit acts directly on these points.<\/span><\/p><p><span style=\"font-weight: 400;\">On one hand, it reduces waste volume by up to 90%, which directly impacts logistics costs.<\/span><span style=\"font-weight: 400;\"><br\/><\/span>On the other hand, it achieves dewatering of 45\u201355%, generating a drier and more manageable solid.<\/p><p><span style=\"font-weight: 400;\">Furthermore, by removing a large portion of the organic matter, it achieves a significant reduction in odors and a cleaner discharge.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-071bec2 elementor-widget elementor-widget-heading\" data-id=\"071bec2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Operational advantages of the GRIND-RAX Compactor<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c325be1 elementor-widget elementor-widget-text-editor\" data-id=\"c325be1\" data-element_type=\"widget\" data-e-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\t\t<p>Beyond its function, the value of the <b>GRIND-RAX Compactor<\/b> lies in its direct impact on the plant&#8217;s daily operations.<\/p><p><span style=\"font-weight: 400;\">As a compact system, it can be easily installed even in limited spaces. Additionally, it allows for continuous processing of the generated waste, avoiding accumulation and manual handling. <\/span><\/p><p>Another relevant aspect is that the equipment can be supplied as a <a href=\"https:\/\/protechcontinental.com\/en\/rental\/\">rental solution or for testing<\/a>, facilitating its validation on-site before a final investment.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f5f50c7 elementor-widget elementor-widget-heading\" data-id=\"f5f50c7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">From Diablo Screening Washer to GRIND-RAX Compactor<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7ff2cd9 elementor-widget elementor-widget-text-editor\" data-id=\"7ff2cd9\" data-element_type=\"widget\" data-e-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\t\t<p><span style=\"font-weight: 400;\">The transition from Diablo Screening Washer to GRIND-RAX Compactor reflects an evolution in how the equipment is presented and positioned within waste treatment in purification.<\/span><\/p><p><span style=\"font-weight: 400;\">While the previous name referred to a type of equipment widely recognized in the sector (screening washer), the new brand focuses on its main function within the process: integrated shredding, washing, and compacting of waste.<\/span><\/p><p><span style=\"font-weight: 400;\">The term GRIND-RAX Compactor reinforces this idea, conveying more directly what the equipment does and where it adds value. In this sense, the evolution is not just in name, but in focus: a more clearly defined solution, aligned with the current needs of plants and with a more coherent identity within the Protech Continental Group range. <\/span><span style=\"font-weight: 400;\"><br><\/span><span style=\"font-weight: 400;\"><br><\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aad50ea elementor-widget elementor-widget-image\" data-id=\"aad50ea\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"277\" src=\"https:\/\/protechcontinental.com\/wp-content\/uploads\/2026\/05\/De-Diablo-Screening-Washer-a-GRIND-RAX-Compactor-1024x354.webp\" class=\"attachment-large size-large wp-image-4423\" alt=\"Comparativa del antiguo logotipo de Diablo y la nueva identidad visual de GRIND-RAX Compactor.\" srcset=\"https:\/\/protechcontinental.com\/wp-content\/uploads\/2026\/05\/De-Diablo-Screening-Washer-a-GRIND-RAX-Compactor-1024x354.webp 1024w, https:\/\/protechcontinental.com\/wp-content\/uploads\/2026\/05\/De-Diablo-Screening-Washer-a-GRIND-RAX-Compactor-300x104.webp 300w, https:\/\/protechcontinental.com\/wp-content\/uploads\/2026\/05\/De-Diablo-Screening-Washer-a-GRIND-RAX-Compactor-768x266.webp 768w, https:\/\/protechcontinental.com\/wp-content\/uploads\/2026\/05\/De-Diablo-Screening-Washer-a-GRIND-RAX-Compactor-1536x532.webp 1536w, https:\/\/protechcontinental.com\/wp-content\/uploads\/2026\/05\/De-Diablo-Screening-Washer-a-GRIND-RAX-Compactor.webp 1566w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a98b3eb elementor-widget elementor-widget-text-editor\" data-id=\"a98b3eb\" data-element_type=\"widget\" data-e-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\t\t<p><span style=\"font-weight: 400;\">GRIND-RAX Compactor (formerly Diablo Screening Washer) is a consolidated solution for the treatment of screening waste in wastewater stations.<\/span><\/p><p><span style=\"font-weight: 400;\">Its ability to integrate shredding, washing, and compaction into a single unit allows for volume reduction, removal of organic matter, and improved waste management on-site.<\/span><\/p><p><span style=\"font-weight: 400;\">In a context where operational efficiency and cost reduction are increasingly important, these types of solutions play a key role within pretreatment.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-66f4535 e-flex e-con-boxed e-con e-parent\" data-id=\"66f4535\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-255b420 elementor-widget elementor-widget-html\" data-id=\"255b420\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<script type=\"application\/ld+json\">{ \"@context\": \"https:\/\/schema.org\", \"@type\": \"BlogPosting\", \"mainEntityOfPage\": { \"@type\": \"WebPage\", \"@id\": \"https:\/\/protechcontinental.com\/en\/grind-rax-compactor-wwtp-waste-treatment\/\" }, \"url\": \"https:\/\/protechcontinental.com\/en\/grind-rax-compactor-wwtp-waste-treatment\/\", \"headline\": \"GRIND-RAX Compactor: Evolution of the Diablo Screening Washer in waste treatment\", \"description\": \"GRIND-RAX Compactor evolves the Diablo Screening Washer into a compact unit that shreds, washes, separates and compacts screening waste to cut volume, odors and costs.\", \"image\": [ 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Screening Washer has established itself as an effective solution in wastewater treatment plants for the treatment of waste from screening rakes. Today, this equipment is evolving and is now called the GRIND-RAX Compactor, maintaining its original concept but strengthening its positioning as an integral solution for waste shredding, washing, and compaction. <\/p>\n","protected":false},"author":6,"featured_media":4418,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_angie_page":false,"content-type":"","page_builder":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-4430","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sin-categorizar"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>GRIND-RAX Compactor for waste treatment<\/title>\n<meta name=\"description\" content=\"GRIND-RAX Compactor integrates shredding, washing, and compaction to reduce waste volume in WWTPs by up to 90%.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/protechcontinental.com\/en\/grind-rax-compactor-wwtp-waste-treatment\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"GRIND-RAX Compactor for waste treatment\" \/>\n<meta property=\"og:description\" content=\"GRIND-RAX Compactor integrates shredding, washing, and compaction to reduce waste volume in WWTPs by up to 90%.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/protechcontinental.com\/en\/grind-rax-compactor-wwtp-waste-treatment\/\" \/>\n<meta property=\"og:site_name\" content=\"Protech Continental Group\" \/>\n<meta property=\"article:published_time\" content=\"2026-05-13T07:32:37+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-13T07:53:03+00:00\" \/>\n<meta property=\"og:image\" 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