New NPK Pilot Plant Up & Running

By Joseph R. Fonseca
Monday, August 11, 2014
NPK pilot plant

 

A new NPK pilot plant at the Innovation and R&D Center in Porsgrunn has been successfully in operation since this spring.

Yara’s Innovation and R&D department has been quite busy lately. In an effort to continuously improve Yara’s operations and processes, Yara’s research center in Porsgrunn, Norway, has successfully initiated a new NPK pilot plant. It’s designed to improve operations significantly while providing more flexibility.

“Mother liquor”

"The NPK pilot has been in continuous operation since start-up," Sten Bjørneboe, responsible for Yara’s plant operations, says. "Although there are still some teething problems left to deal with -- which is to be expected with such a complex pilot plant -- it is already working very well, and we are really satisfied with its flexibility."

The new facility is actually a kind of "mini-plant" for NPK production, based upon the so-called nitrophosphate process that Yara utilizes to produce finished fertilizers in its facilities at Porsgrunn and further north in Glomfjord, Norway.

"The nitrophosphate process consists of a number of process steps," Kari-Anne Leth-Olsen, head of Yara’s P/NPK department, explains. "First: Digestion, where phosphate rock is dissolved in nitric acid to create 'digestion liquor.' Second, there’s Crystallization, where this liquor is cooled, creating calcium nitrate, which is then separated out.

"The phosphorous-containing liquor, which is called ‘mother liquor,’ is brought to the next step. Ammonia is added in step three, Neutralization. During this step, what we call ‘NP liquor’ is created," she adds.

Replacing old hardware


"The new pilot plant gives us the possibility to produce NP liquor from nitric acid, phosphate rock and ammonia, and represents a big improvement over the previous NPK pilot plant," Rob Louwe, a Yara R&D employee who was responsible for the building of the pilot plant, explains. "Although some improvements were made over the years, a lot of (the plant’s) hardware dated back to the ‘50s and ‘60s. Operating the old plant was almost entirely manual."

The new facility uses mostly brand new equipment, much of which can be operated from a new steering and control system. A new cooling system for the crystallization phase has been included. It uses a novel refrigerant liquid that can cool the mother liquor down to at least -20°C. A dedicated two-step gas-scrubbing system is also included to comply with emissions regulations.

"We have already started to see the benefit of having such a flexible pilot plant in our innovation projects," Kari-Anne says. "This investment will help us test and solve some of our challenges of improving existing processes and also evaluate the effect of using new raw materials in our plants."

"We hope that Yara's NPK plants will benefit from using this pilot facility to evaluate new process parameters and also for troubleshooting and raw materials investigations."

Maritime Reporter April 2015 Digital Edition
FREE Maritime Reporter Subscription
Latest Maritime News    rss feeds

Energy

New CEO for Evergas

Evergas has appointed Steffen Jacobsen as CEO of the company as of 8 May 2015 Mr. Jacobsen joined Evergas 1 February 2015 as Vice President, Fleet after almost 35 years in Maersk.

Icebreakers Ordered for Neft’s Novy Port Project

Aker Arctic’s icebreaker design selected for Gazprom Neft’s Novy Port project   Aker Arctic and Vyborg Shipyard have confirmed a contract for the design of two

MacGregor's Pusnes bow loading systems for Suezmax Tankers

MacGregor, part of Cargotec, has secured contracts to supply Pusnes bow loading systems for three newbuild shuttle tankers intended for operations in Brazilian waters.

News

New CEO for Evergas

Evergas has appointed Steffen Jacobsen as CEO of the company as of 8 May 2015 Mr. Jacobsen joined Evergas 1 February 2015 as Vice President, Fleet after almost 35 years in Maersk.

NCSP Group Cargo Traffic Up 6% in Q1 2015

Novorossiysk Commercial Sea Port Group (NCSP Group or the Group) (LSE: NCSP, Moscow Exchange: NMTP) reports that Group’s consolidated cargo turnover in Q1 2015 increased by 2 million tonnes or 6.

Naming Ceremony of Evergreen's EVER LYRIC

Evergreen Group today held the naming ceremony for EVER LYRIC, the eighth of its L-type vessels built by CSBC Corporation in Taiwan. The ceremony took place

Mergers & Acquisitions

Caterpillar Acquires ESRG Technologies

Caterpillar Marine has completed the acquisition of ESRG Technologies Group, LLC, a vessel monitoring and data analytics company in the marine industry.   The

Thomson Cruises Names New Ship

Thomson Cruises’ newly acquired Splendour of the Seas will be renamed Thomson Discovery when it joins the company’s fleet in summer 2016 and it will homeport in Palma.

Alianҫa’s Fleet Continues to Grow

The cabotage fleet of Hamburg Süd’s subsidiary Alianҫa has once again gained a new member. Within the scope of a customer event, the new container ship “Bartolomeu

 
 
Maritime Careers / Shipboard Positions Naval Architecture Pipelines Pod Propulsion Salvage Ship Repair Ship Simulators Shipbuilding / Vessel Construction Sonar Winch
rss | archive | history | articles | privacy | contributors | top maritime news | about us | copyright | maritime magazines
maritime security news | shipbuilding news | maritime industry | shipping news | maritime reporting | workboats news | ship design | maritime business

Time taken: 0.1649 sec (6 req/sec)