https://tex.stackexchange.com/q/452924/35864

rougemew.tex

\documentclass[british]{report}
\usepackage[utf8]{inputenc} %Uncommented for BibLatex
\usepackage{babel}  %Uncommented for BibLatex
\usepackage{csquotes}  %Uncommented for BibLatex
\usepackage[
    hyperref=auto,  
    mincrossrefs=999,
    backend=biber,
sorting = none, % to have references appear as they are cited
style=numeric-comp,
firstinits=true, %added new
clearlang=true, %added new
refsegment=chapter,
defernumbers=true
]{biblatex}

\addbibresource{biblatex-examples.bib}

\begin{document}
\chapter{Intro}\label{ch:Intro}
This is an example text \cite{sigfridsson,worman,geer}
\printbibliography[heading=subbibliography]


\chapter{Ch2}\label{ch:Ch2}
Only one cite, whose number should be 1 \cite{knuth:ct:a}
\printbibliography[heading=subbibliography]
\end{document}