![]() ![]() His practice has been named a Center of Excellence for the UroLift procedure, and is a pioneer in non-surgical procedures for ED using his patented Wave Therapy. Dhir’s expertise includes minimally-invasive treatments for enlarged prostate (UroLift), kidney stone disease, surgical management of urological cancers, and men’s health (erectile dysfunction, low testosterone, and infertility). ![]() Robert Dhir is a board certified Urologist, Urological Surgeon, and the Founder of HTX Urology in Houston, Texas. *2011 UPDATE: Be sure to see the EGG SHELL UPDATE newsletter.This article was co-authored by Robert Dhir, MD and by wikiHow staff writer, Glenn Carreau. On another flow test results were even a little better. Flow of this material was 2,000 pph in the KP-6 at 30 rpm. Ten gallons of eggshell from the truck came down to seven gallons of press cake. We did get measurements of flow rate and bulk density improvement. The juice is rather clear, and they screen it through a 3/8″ perf sheet followed by 3/32″ perf on its way into the tank. It allows the juice to drain into a tank while the truck is being filled. * They have installed a drain pan system at the back of the waste truck. ![]() In the end the use of a press could not be justified by Daybreak. The foam was not a real problem, but it was felt that the shell bits would have to somehow be screened out. The press liquor yield was 85% of the inbound flow. In another test we pressed whole cull eggs. But it did represent 20% yield by weight (including chips) salvaged for sale to the pet food companies. Unfortunately the juice was (1) very foamy and (2) full of eggshell chips. In one test we ran 56 pounds shells and got 43 pounds of fine ground shell (press cake) along with 12 pounds of “juice” (press liquor). Consequently we would recommend a Series CP press for the application because it has the screw shaft supported at both ends of the press. The testing was done with a KP-6 press, and the press was easily overloaded. Our press definitely ground up the eggshell. However pet food companies will pay $0.045 per pound for the material. The yolk and egg white “juice” is classified as inedible since it is unfit for human consumption. One objective was to crush the shells so as to increase the bulk density this was aimed at reducing the number of truckloads being hauled to landfill.Īnother objective, with a much better payoff potential, was to separate the yolk and egg white from the shells. This material is sent to a landfill.Īs an experiment we tried pressing this waste material. This waste is mostly eggs shells, but it also includes the cull eggs, the no-cracks from the egg crackers, and other “bad” eggs. This factory generates about 18 tons of waste material per day. These are Lazy Susan type machines that automatically crack the eggs and separate the egg whites (albumen) and yolks into two separate flows. Following an automatic wash cycle the eggs are conveyed into the room with the egg cracking machines. This is done to eliminate any fertile eggs containing blood spots (embryos). Next the eggs are candled: a bright light is shined through the egg to detect internal impurities. Some cracked and broken eggs are culled by inspectors. They crack about 3,000,000 eggs per day.īanks of suction cups lift the eggs from the shipping cartons. These are contained within the “sanitary” half of their small factory. We visited one of their plants where they have six egg cracking machines. One member of the industry is Daybreak Foods of Minnesota. ![]() They ship their products in refrigerated tanker trucks containing approximately 5,000 gallons each. These two bulk commodities are sold to food processors who use them as food ingredients. Their business is to process truckloads of eggs from layer farms into basic food ingredients: egg whites and yolks. Egg crackers make up an industry that not many people are aware of. ![]()
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