Case Studies
Documented, full-scale results for the chemistry D&Z Worldwide supplies — across municipal utilities, agriculture, oil & gas, and cooling systems.
The case studies collected here document full-scale field results across municipal utilities, agriculture, oil and gas, and cooling systems: 94% dissolved copper removal, a 49% vineyard yield gain, stripper-well output raised to 15 barrels a day, complete H2S elimination in a wet scrubber, and a 6-log Legionella reduction in under 10 seconds. Each is backed by a downloadable technical document.
Last updated 3 October 2026
Proof in the Field
Results you can forward.
Every case study below comes from a real trial or field study, backed by a downloadable technical document. The through-line is the same ORP-controlled, mineral‑oxychloride chemistry — and the same measurable precision — applied to very different problems.
From pulling dissolved copper below a discharge limit to restoring citrus-greening groves to marketable fruit, these are the outcomes the field programs delivered. Pick a study to see the challenge, the exact products and dose, and the data.
94% Dissolved Copper Removal at a Northern California Municipal Plant
A DZ 9830 + DZ 1687 program removed 94% of dissolved copper and about 70% of zinc in a full-scale, year-long municipal trial — below the 3.1 ppb discharge limit.
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ROS Increases Vineyard Yield by 49%
In a 2023 independent California ag-research field study on mature French Colombard, foliar DZ 9966 raised harvestable yield 49% and cut sour rot in half.
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Stripper-Well Output Raised from 1–2 to 15 Barrels/Day
A Pecos County, Texas field study lifted output from 1–2 bbl/day to 15 bbl/day for less than $100/day — while eliminating H₂S, iron, and bacteria.
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Complete H₂S Elimination in a Wet Scrubber
A Houston natural-gas stream carrying 2,000 mg/L H₂S was fully scrubbed at $0.0040/lb, shifting ORP from −150 to +100 mV with only inert sulfate residuals.
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6-Log Legionella Reduction in Under 10 Seconds
An independent pathogen laboratory confirmed a 6-log Legionella kill in under 10 seconds at >+700 mV — eliminating legionellosis risk in most systems within 4 hours.
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Restoring Citrus-Greening (HLB) Groves to Marketable Fruit
In a Florida field program, a DZ 9966 protocol took diseased trees to new healthy flush in a week and marketable fruit within 60 days.
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