The site of a former zinc smelter in the eastern United States, whose soil and groundwater were contaminated after decades of zinc production, posed a significant treatment challenge: the water in the newly created retention ponds had a dissolved zinc level of about 10 ppm, well above discharge limits of <0.47 ppm.

Slave Lake Pulp, a subsidiary of West Fraser Mills Ltd., is a 240,000-tonne-per-year Bleached-Chemi-Thermo-Mechanical Pulp (BCTMP) mill located in northern Alberta, Canada. The mill primarily processes aspen to produce market pulp for the global market.

A Midwest manufacturer of automotive parts was experiencing elevated levels of zinc in the effluent from their existing conventional wastewater treatment system. This wastewater was generated through a multi-stage cleaning and zinc phosphate process which produced elevated levels of both particulate and dissolved zinc in the wastewaters.

Since 1956, Rothenbühler Cheesemakers has been producing delicious cheese using all natural ingredients and 100% Grade-A milk. Formerly known as Middlefield Cheese, the family-owned company is one of the largest Swiss cheese manufacturers in the United States.

Since 1956, Rothenbühler Cheesemakers has been producing delicious cheese using all natural ingredients and 100% Grade-A milk. Formerly known as Middlefield Cheese, the family-owned company is one of the largest Swiss cheese manufacturers in the United States. Its plant in Middlefield, Ohio, USA, produces five Swiss cheese varieties, as well as high-quality whey ingredient products.

The City of Portage la Prairie is a small but progressive community located in Manitoba, Canada. The city is situated in the heart of the province’s farming belt, about 75 kilometers (47 miles) west of Winnipeg.

The client makes several types of confectionery products at its facility. Its wastewater was being treated in a dissolved air flotation (DAF) system, followed by a dual-tank sequencing batch reactor (SBR) activated sludge system.

The confectionery manufacturer, located in Virginia, was faced with having to establish on-site wastewater pretreatment at its facility. A planned expansion and an overloaded publicly owned treatment works (POTW) led local authorities to require wastewater pretreatment in order to meet discharge limits of 250 mg/l for both biochemical oxygen demand (BOD) and total suspended solids (TSS).

An ADI Systems client was equipped with an anaerobic wastewater treatment system that consisted of an equalization tank, three hybrid anaerobic reactors, a degas tower, and a clarifier. This system was not meeting the client’s needs, as it was only removing approximately 60% of the BOD. Sludge settleability and odor issues in the open clarifier also presented a problem.

When Pinnacle Foods’ acquired the Wish-Bone® and Western® salad dressing brands, its production plant in St. Elmo, Illinois, USA, would need to expand for additional flow. As part of the wastewater treatment plant expansion, Pinnacle Foods introduced anaerobic digestion technology.

The plant is located in an urban setting, surrounded by residences and businesses. Odor from the treatment system is a prime concern for the milk processor. When the milk processor acquired the plant, the biogas collection cover on the wastewater treatment system’s anaerobic digester was nearing the end of its intended service life.

Rocco, Inc. – a poultry processing plant in Virginia – required many waste and wastewater treatment solutions due to strict Federal and State Regulations. Technicians at Xyelm helped perform on-site test work to create a solution best suited for Rocco's needs.

The City of Tulare, USA, located in California’s world renowned San Joaquin Valley, has some of the strictest environmental regulations in the nation to protect the Golden State’s water quality. Noncompliance can be costly—up to $10,000 a day. Tulare is committed to complying with wastewater discharge requirements set forth by the California State Department of Water Resources Board.

Devondale-Murray Goulburn Co-operative Co. Limited (MG) is Australia’s largest dairy food company. Popular brands include Devondale and Liddells, which produce a variety of milk, cream, butter, spreads, yogurt, and cheese.

AB Mauri, a division of Associated British Foods (ABF), is one of the world’s largest producers and distributors of bakery ingredients such as yeast, spices, and bread and cake mixes. AB Mauri’s holistic approach to baking includes a wide range of chemistry and technology applications in addition to its high-quality end products.

Darigold is one of North America’s largest dairy co-ops. Farmer-owned since 1918, Darigold represents over 500 family farms across the Northwest. It produces milk, sour cream, and cottage cheese.

Furmano Foods Inc. is the Susquehanna River Valley’s premier grower and producer of beans, tomatoes, and vegetables. Since 1921, the family-owned company has been combining agricultural and manufacturing technology with environmentally friendly farming techniques to produce wholesome canned and pouched foods.

Strauss Dairy, part of the Health & Wellness segment of Strauss Group Ltd., is Israel’s largest private dairy. The family-run business processes cheese, yogurt, and flavored milk drinks. The BVF reactor provides Strauss Dairy with a highly effective, yet low-maintenance pretreatment system that is resilient to a variety of operating conditions and loads. Effluent COD is less than 750 mg/l, and SS is less than 300 mg/l at design loading.

Südzucker produces 5.4 million tons of sugar a year. Situated in Obrigheim, located in the Palatinate region, the Offstein Sugar Factory is one of the largest and oldest of nine sugar factories in Germany. Yearly, 1.4 to 1.8 million tons of sugar beets are processed. During the harvesting campaign (September to December), this is about 16,000 tons of beets daily - around the clock. Syrup and sugar are produced from the beets.

HP Hood LLC is one of the largest dairy operators in the United States with 13 plants across the country. It has been producing high-quality, delicious dairy products for more than 160 years.

ADI Systems first started providing wastewater treatment solutions to the Kellogg Company Pikeville Plant (formerly Mountaintop Baking) in Kimper, Kentucky, USA, in the late 1990s. In 1999–2000, ADI Systems was awarded a design/build contract to upgrade the wastewater treatment system due to production expansion at the plant. The upgrade included an ADI® hybrid anaerobic reactor followed by an ADI® sequencing batch reactor (SBR).

Due to an expansion in potato chip production, the snack food plant required additional wastewater treatment capacity. It needed to be able to meet strict discharge limits for biochemical oxygen demand (BOD), total suspended solids (TSS), ammonia nitrogen (NH3-N), total nitrogen (TN), and total phosphorus (TP) regulations.

Lone Star Dairy is a leading producer of value-added dairy ingredients derived from locally-sourced milk. While Lone Star Dairy was already enjoying the benefits of low-rate anaerobic digestion, production capacity was driving flows and loads beyond the capacity of their existing system. Upgrades were needed to remain compliant to protect the downstream publicly owned treatment works (POTW).