May 17, 2020

Organic Waste Recycling Draws in $110 Million

energy digital
organic waste recycling
$110 million
ferti
Admin
2 min
organic waste recycling, waste-to-energy, Harvest Power, Waste Management Inc., waste management, composting, landfill
Start-up company Harvest Power Inc. just raised $110 million to help turn some of America's huge sums of organic waste into energy and fertilizer...

 

Start-up company Harvest Power Inc. just raised $110 million to help turn some of America's huge sums of organic waste into energy and fertilizer. Along with Waste Management Inc., the nation's largest trash processor, the two companies have vowed to stop using landfills completely in upcoming years as New York City evaluates new waste-to-energy facilities.

Using anaerobic digestion, bacteria digest organic material and emit biogas, which is then converted into compressed natural gas or burned for power, leaving behind a byproduct used as fertilizer. Although other countries like Germany and Spain have been using similar systems for years, the US only has a couple pilot projects in the works.

"We're basically building the first nationwide organics management company," Paul Sellew, chief executive of Harvest Power, told the Wall Street Journal.

Harvest Power will pull in revenue by selling fertilizer from its composting facilities, charging waste producers for picking up their trash (less money than fees from landfills) and by selling power from its power-generation facilities. The Wall Street Journal reports that the company made less than $50 million last year, but expects profits to go up to $75 million to $100 million this year.

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The first two commercial size plants are under construction in Canada and will sell power for less than the price of most renewable energy. In Florida, the company plans to build a waste-to-electricity facility for a theme park in addition to purchasing an organic-waste processing company in New Jersey.

 

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Oct 19, 2020

Itronics successfully tests manganese recovery process

cleantech
manganese
USA
Scott Birch
3 min
Nevada firm aims to become the primary manganese producer in the United States
Nevada firm aims to become the primary manganese producer in the United States...

Itronics - a Nevada-based emerging cleantech materials growth company that manufacturers fertilisers and produces silver - has successfully tested two proprietary processes that recover manganese, with one process recovering manganese, potassium and zinc from paste produced by processing non-rechargeable alkaline batteries. The second recovers manganese via the company’s Rock Kleen Technology.

Manganese, one of the four most important industrial metals and widely used by the steel industry, has been designated by the US Federal Government as a "critical mineral." It is a major component of non-rechargeable alkaline batteries, one of the largest battery categories sold globally.

The use of manganese in EV batteries is increasing as EV battery technology is shifting to use of more nickel and manganese in battery formulations. But according to the US Department of Interior, there is no mine production of manganese in the United States. As such, Itronics is using its Rock Kleen Technology to test metal recoverability from mine tailings obtained from a former silver mine in western Nevada that has a high manganese content. 

In a statement, Itronics says that its Rock Kleen process recovers silver, manganese, zinc, copper, lead and nickel. The company says that it has calculated – based on laboratory test results – that if a Rock Kleen tailings process is put into commercial production, the former mine site would become the only primary manganese producer in the United States.

Itronics adds that it has also tested non-rechargeable alkaline battery paste recovered by a large domestic battery recycling company to determine if it could use one of its hydrometallurgical processes to solubilize the manganese, potassium, and zinc contained in the paste. This testing was successful, and Itronics was able to produce material useable in two of its fertilisers, it says.

"We believe that the chemistry of the two recovery processes would lend itself to electrochemical recovery of the manganese, zinc, and other metals. At this time electrochemical recovery has been tested for zinc and copper,” says Dr John Whitney, Itronics president. 

“Itronics has been reviewing procedures for electrochemical recovery of manganese and plans to move this technology forward when it is appropriate to do so and has acquired electro-winning equipment needed to do that.

"Because of the two described proprietary technologies, Itronics is positioned to become a domestic manganese producer on a large scale to satisfy domestic demand. The actual manganese products have not yet been defined, except for use in the Company's GOLD'n GRO Multi-Nutrient Fertilisers. However, the Company believes that it will be able to produce chemical manganese products as well as electrochemical products," he adds.

Itronics’ research and development plant is located in Reno, about 40 miles west of the Tesla giga-factory. Its planned cleantech materials campus, which will be located approximately 40 miles south of the Tesla factory, would be the location where the manganese products would be produced.

Panasonic is operating one of the world's largest EV battery factories at the Tesla location. However, Tesla and other companies have announced that EV battery technology is shifting to use of nickel-manganese batteries. Itronics is positioned and located to become a Nevada-0based supplier of manganese products for battery manufacturing as its manganese recovery technologies are advanced, the company states.

A long-term objective for Itronics is to become a leading producer of high purity metals, including the U.S. critical metals manganese and tin, using the Company's breakthrough hydrometallurgy, pyrometallurgy, and electrochemical technologies. ‘Additionally, Itronics is strategically positioned with its portfolio of "Zero Waste Energy Saving Technologies" to help solve the recently declared emergency need for domestic production of Critical Minerals from materials located at mine sites,’ the statement continues.

The Company's growth forecast centers upon its 10-year business plan designed to integrate its Zero Waste Energy Saving Technologies and to grow annual sales from $2 million in 2019, to $113 million in 2025.

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